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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import edu.umd.cs.findbugs.annotations.NonNull;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import edu.umd.cs.findbugs.annotations.Nullable;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.ByteArrayOutputStream;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.Closeable;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Arrays;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Collection;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Collections;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Iterator;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.LinkedHashMap;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.Map;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.NavigableMap;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.Set;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.SortedMap;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import java.util.regex.Matcher;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import java.util.regex.Pattern;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import java.util.stream.Collectors;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.conf.Configuration;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.Cell.Type;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Get;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.Put;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.Result;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.Table;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.coprocessor.Batch;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.filter.QualifierFilter;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.filter.RegexStringComparator;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.filter.RowFilter;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.filter.SubstringComparator;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.ipc.ServerRpcController;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos.MultiRowMutationService;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos.MutateRowsRequest;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos.MutateRowsResponse;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.util.ExceptionUtil;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.util.PairOfSameType;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span>import org.slf4j.Logger;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span>import org.slf4j.LoggerFactory;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span>import org.apache.hbase.thirdparty.com.google.common.base.Throwables;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span>/**<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * <p><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * Read/write operations on <code>hbase:meta</code> region as well as assignment information stored<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * to <code>hbase:meta</code>.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * </p><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * <p><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * Some of the methods of this class take ZooKeeperWatcher as a param. The only reason for this is<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * when this class is used on client-side (e.g. HBaseAdmin), we want to use short-lived connection<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * (opened before each operation, closed right after), while when used on HM or HRS (like in<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * AssignmentManager) we want permanent connection.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * </p><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * <p><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * HBASE-10070 adds a replicaId to HRI, meaning more than one HRI can be defined for the same table<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * range (table, startKey, endKey). For every range, there will be at least one HRI defined which is<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * called default replica.<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * </p><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * <p><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * <h2>Meta layout</h2><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> *<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * <pre><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * For each table there is single row named for the table with a 'table' column family.<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * The column family currently has one column in it, the 'state' column:<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> *<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * table:state => contains table state<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> *<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * Then for each table range ('Region'), there is a single row, formatted as:<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * &lt;tableName&gt;,&lt;startKey&gt;,&lt;regionId&gt;,&lt;encodedRegionName&gt;.<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * This row is the serialized regionName of the default region replica.<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * Columns are:<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * info:regioninfo => contains serialized HRI for the default region replica<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * info:server => contains hostname:port (in string form) for the server hosting<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * the default regionInfo replica<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * info:server_&lt;replicaId&gt => contains hostname:port (in string form) for the server hosting<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * the regionInfo replica with replicaId<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * info:serverstartcode => contains server start code (in binary long form) for the server<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * hosting the default regionInfo replica<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * info:serverstartcode_&lt;replicaId&gt => contains server start code (in binary long form) for<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * the server hosting the regionInfo replica with<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * replicaId<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * info:seqnumDuringOpen => contains seqNum (in binary long form) for the region at the time<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * the server opened the region with default replicaId<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * info:seqnumDuringOpen_&lt;replicaId&gt => contains seqNum (in binary long form) for the region<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * at the time the server opened the region with<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * replicaId<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * info:splitA => contains a serialized HRI for the first daughter region if the<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * region is split<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * info:splitB => contains a serialized HRI for the second daughter region if the<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * region is split<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * info:merge* => contains a serialized HRI for a merge parent region. There will be two<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * or more of these columns in a row. A row that has these columns is<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * undergoing a merge and is the result of the merge. Columns listed<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * in marge* columns are the parents of this merged region. Example<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * columns: info:merge0001, info:merge0002. You make also see 'mergeA',<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * and 'mergeB'. This is old form replaced by the new format that allows<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * for more than two parents to be merged at a time.<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * TODO: Add rep_barrier for serial replication explaination.<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * </pre><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> * </p><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> * <p><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * The actual layout of meta should be encapsulated inside MetaTableAccessor methods, and should not<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> * leak out of it (through Result objects, etc)<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * </p><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> */<a name="line.148"></a> |
| <span class="sourceLineNo">149</span>@InterfaceAudience.Private<a name="line.149"></a> |
| <span class="sourceLineNo">150</span>public class MetaTableAccessor {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> private static final Logger LOG = LoggerFactory.getLogger(MetaTableAccessor.class);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> private static final Logger METALOG = LoggerFactory.getLogger("org.apache.hadoop.hbase.META");<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> @VisibleForTesting<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> public static final byte[] REPLICATION_PARENT_QUALIFIER = Bytes.toBytes("parent");<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> private static final byte ESCAPE_BYTE = (byte) 0xFF;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> private static final byte SEPARATED_BYTE = 0x00;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> @InterfaceAudience.Private<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> public enum QueryType {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> ALL(HConstants.TABLE_FAMILY, HConstants.CATALOG_FAMILY),<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> REGION(HConstants.CATALOG_FAMILY),<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> TABLE(HConstants.TABLE_FAMILY),<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> REPLICATION(HConstants.REPLICATION_BARRIER_FAMILY);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> private final byte[][] families;<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> QueryType(byte[]... families) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> this.families = families;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> byte[][] getFamilies() {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> return this.families;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> /** The delimiter for meta columns for replicaIds &gt; 0 */<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> static final char META_REPLICA_ID_DELIMITER = '_';<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> /** A regex for parsing server columns from meta. See above javadoc for meta layout */<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> private static final Pattern SERVER_COLUMN_PATTERN<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> = Pattern.compile("^server(_[0-9a-fA-F]{4})?$");<a name="line.185"></a> |
| <span class="sourceLineNo">186</span><a name="line.186"></a> |
| <span class="sourceLineNo">187</span> ////////////////////////<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // Reading operations //<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> ////////////////////////<a name="line.189"></a> |
| <span class="sourceLineNo">190</span><a name="line.190"></a> |
| <span class="sourceLineNo">191</span> /**<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * Performs a full scan of <code>hbase:meta</code> for regions.<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> * @param connection connection we're using<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> * @param visitor Visitor invoked against each row in regions family.<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> */<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> public static void fullScanRegions(Connection connection, final Visitor visitor)<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> throws IOException {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> scanMeta(connection, null, null, QueryType.REGION, visitor);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> /**<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> * Performs a full scan of <code>hbase:meta</code> for regions.<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> * @param connection connection we're using<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> */<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> public static List<Result> fullScanRegions(Connection connection) throws IOException {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> return fullScan(connection, QueryType.REGION);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> /**<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * Performs a full scan of <code>hbase:meta</code> for tables.<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * @param connection connection we're using<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> * @param visitor Visitor invoked against each row in tables family.<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> */<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public static void fullScanTables(Connection connection, final Visitor visitor)<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> throws IOException {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> scanMeta(connection, null, null, QueryType.TABLE, visitor);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> /**<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> * Performs a full scan of <code>hbase:meta</code>.<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> * @param connection connection we're using<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> * @param type scanned part of meta<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> * @return List of {@link Result}<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> */<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> private static List<Result> fullScan(Connection connection, QueryType type) throws IOException {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> CollectAllVisitor v = new CollectAllVisitor();<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> scanMeta(connection, null, null, type, v);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> return v.getResults();<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<a name="line.229"></a> |
| <span class="sourceLineNo">230</span><a name="line.230"></a> |
| <span class="sourceLineNo">231</span> /**<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> * Callers should call close on the returned {@link Table} instance.<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> * @param connection connection we're using to access Meta<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * @return An {@link Table} for <code>hbase:meta</code><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> */<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> public static Table getMetaHTable(final Connection connection)<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> throws IOException {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> // We used to pass whole CatalogTracker in here, now we just pass in Connection<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> if (connection == null) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> throw new NullPointerException("No connection");<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> } else if (connection.isClosed()) {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> throw new IOException("connection is closed");<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> }<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> return connection.getTable(TableName.META_TABLE_NAME);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> /**<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> * @param t Table to use (will be closed when done).<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> * @param g Get to run<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> */<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> private static Result get(final Table t, final Get g) throws IOException {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> if (t == null) return null;<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> try {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> return t.get(g);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> } finally {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> t.close();<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span><a name="line.259"></a> |
| <span class="sourceLineNo">260</span> /**<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * Gets the region info and assignment for the specified region.<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * @param connection connection we're using<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * @param regionName Region to lookup.<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * @return Location and RegionInfo for <code>regionName</code><a name="line.264"></a> |
| <span class="sourceLineNo">265</span> * @deprecated use {@link #getRegionLocation(Connection, byte[])} instead<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> */<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> @Deprecated<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> public static Pair<RegionInfo, ServerName> getRegion(Connection connection, byte [] regionName)<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> throws IOException {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> HRegionLocation location = getRegionLocation(connection, regionName);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> return location == null<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> ? null<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> : new Pair<>(location.getRegion(), location.getServerName());<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> /**<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * Returns the HRegionLocation from meta for the given region<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> * @param connection connection we're using<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * @param regionName region we're looking for<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * @return HRegionLocation for the given region<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> */<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> public static HRegionLocation getRegionLocation(Connection connection, byte[] regionName)<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> throws IOException {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> byte[] row = regionName;<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> RegionInfo parsedInfo = null;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> try {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> parsedInfo = parseRegionInfoFromRegionName(regionName);<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> row = getMetaKeyForRegion(parsedInfo);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> } catch (Exception parseEx) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> // Ignore. This is used with tableName passed as regionName.<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> Get get = new Get(row);<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> Result r = get(getMetaHTable(connection), get);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> RegionLocations locations = getRegionLocations(r);<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> return locations == null ? null<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> : locations.getRegionLocation(parsedInfo == null ? 0 : parsedInfo.getReplicaId());<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> /**<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> * Returns the HRegionLocation from meta for the given region<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> * @param connection connection we're using<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> * @param regionInfo region information<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> * @return HRegionLocation for the given region<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> */<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> public static HRegionLocation getRegionLocation(Connection connection, RegionInfo regionInfo)<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> throws IOException {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> byte[] row = getMetaKeyForRegion(regionInfo);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> Get get = new Get(row);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> Result r = get(getMetaHTable(connection), get);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> return getRegionLocation(r, regionInfo, regionInfo.getReplicaId());<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span><a name="line.314"></a> |
| <span class="sourceLineNo">315</span> /** Returns the row key to use for this regionInfo */<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> public static byte[] getMetaKeyForRegion(RegionInfo regionInfo) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> return RegionReplicaUtil.getRegionInfoForDefaultReplica(regionInfo).getRegionName();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span><a name="line.319"></a> |
| <span class="sourceLineNo">320</span> /** Returns an HRI parsed from this regionName. Not all the fields of the HRI<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> * is stored in the name, so the returned object should only be used for the fields<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> * in the regionName.<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> */<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> public static RegionInfo parseRegionInfoFromRegionName(byte[] regionName) throws IOException {<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> byte[][] fields = RegionInfo.parseRegionName(regionName);<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> long regionId = Long.parseLong(Bytes.toString(fields[2]));<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> int replicaId = fields.length > 3 ? Integer.parseInt(Bytes.toString(fields[3]), 16) : 0;<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> return RegionInfoBuilder.newBuilder(TableName.valueOf(fields[0]))<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> .setStartKey(fields[1])<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> .setEndKey(fields[2])<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> .setSplit(false)<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> .setRegionId(regionId)<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> .setReplicaId(replicaId)<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> .build();<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span><a name="line.336"></a> |
| <span class="sourceLineNo">337</span> /**<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> * Gets the result in hbase:meta for the specified region.<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * @param connection connection we're using<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * @param regionName region we're looking for<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * @return result of the specified region<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> */<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> public static Result getRegionResult(Connection connection,<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> byte[] regionName) throws IOException {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> Get get = new Get(regionName);<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> return get(getMetaHTable(connection), get);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> }<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> /**<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> * Scans META table for a row whose key contains the specified <B>regionEncodedName</B>,<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> * returning a single related <code>Result</code> instance if any row is found, null otherwise.<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> *<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> * @param connection the connection to query META table.<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> * @param regionEncodedName the region encoded name to look for at META.<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> * @return <code>Result</code> instance with the row related info in META, null otherwise.<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> * @throws IOException if any errors occur while querying META.<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> */<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> public static Result scanByRegionEncodedName(Connection connection,<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> String regionEncodedName) throws IOException {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> RowFilter rowFilter = new RowFilter(CompareOperator.EQUAL,<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> new SubstringComparator(regionEncodedName));<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> Scan scan = getMetaScan(connection, 1);<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> scan.setFilter(rowFilter);<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> ResultScanner resultScanner = getMetaHTable(connection).getScanner(scan);<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> return resultScanner.next();<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> }<a name="line.367"></a> |
| <span class="sourceLineNo">368</span><a name="line.368"></a> |
| <span class="sourceLineNo">369</span> /**<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> * @return Return all regioninfos listed in the 'info:merge*' columns of<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> * the <code>regionName</code> row.<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> */<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> @Nullable<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> public static List<RegionInfo> getMergeRegions(Connection connection, byte[] regionName)<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> throws IOException {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> return getMergeRegions(getMergeRegionsRaw(connection, regionName));<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span><a name="line.378"></a> |
| <span class="sourceLineNo">379</span> /**<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> * @return Deserialized regioninfo values taken from column values that match<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> * the regex 'info:merge.*' in array of <code>cells</code>.<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> */<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> @Nullable<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> public static List<RegionInfo> getMergeRegions(Cell [] cells) {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> if (cells == null) {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> return null;<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> }<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> List<RegionInfo> regionsToMerge = null;<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> for (Cell cell: cells) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> if (!isMergeQualifierPrefix(cell)) {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> continue;<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> }<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> // Ok. This cell is that of a info:merge* column.<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> RegionInfo ri = RegionInfo.parseFromOrNull(cell.getValueArray(), cell.getValueOffset(),<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> cell.getValueLength());<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> if (ri != null) {<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> if (regionsToMerge == null) {<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> regionsToMerge = new ArrayList<>();<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> }<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> regionsToMerge.add(ri);<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> }<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> return regionsToMerge;<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> }<a name="line.404"></a> |
| <span class="sourceLineNo">405</span><a name="line.405"></a> |
| <span class="sourceLineNo">406</span> /**<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> * @return True if any merge regions present in <code>cells</code>; i.e.<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> * the column in <code>cell</code> matches the regex 'info:merge.*'.<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> */<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> public static boolean hasMergeRegions(Cell [] cells) {<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> for (Cell cell: cells) {<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> if (!isMergeQualifierPrefix(cell)) {<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> continue;<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> return true;<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> return false;<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> }<a name="line.418"></a> |
| <span class="sourceLineNo">419</span><a name="line.419"></a> |
| <span class="sourceLineNo">420</span> /**<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> * @return True if the column in <code>cell</code> matches the regex 'info:merge.*'.<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> */<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> private static boolean isMergeQualifierPrefix(Cell cell) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> // Check to see if has family and that qualifier starts with the merge qualifier 'merge'<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> return CellUtil.matchingFamily(cell, HConstants.CATALOG_FAMILY) &&<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> PrivateCellUtil.qualifierStartsWith(cell, HConstants.MERGE_QUALIFIER_PREFIX);<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> }<a name="line.427"></a> |
| <span class="sourceLineNo">428</span><a name="line.428"></a> |
| <span class="sourceLineNo">429</span> /**<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> * @return Array of Cells made from all columns on the <code>regionName</code> row<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> * that match the regex 'info:merge.*'.<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> */<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> @Nullable<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> private static Cell [] getMergeRegionsRaw(Connection connection, byte [] regionName)<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> throws IOException {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> Scan scan = new Scan().withStartRow(regionName).<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> setOneRowLimit().<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> readVersions(1).<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> addFamily(HConstants.CATALOG_FAMILY).<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> setFilter(new QualifierFilter(CompareOperator.EQUAL,<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> new RegexStringComparator(HConstants.MERGE_QUALIFIER_PREFIX_STR+ ".*")));<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> try (Table m = getMetaHTable(connection); ResultScanner scanner = m.getScanner(scan)) {<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> // Should be only one result in this scanner if any.<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> Result result = scanner.next();<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> if (result == null) {<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> return null;<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> }<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> // Should be safe to just return all Cells found since we had filter in place.<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> // All values should be RegionInfos or something wrong.<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> return result.rawCells();<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> }<a name="line.452"></a> |
| <span class="sourceLineNo">453</span><a name="line.453"></a> |
| <span class="sourceLineNo">454</span> /**<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> * Checks if the specified table exists. Looks at the hbase:meta table hosted on<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> * the specified server.<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> * @param connection connection we're using<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> * @param tableName table to check<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> * @return true if the table exists in meta, false if not<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> */<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> public static boolean tableExists(Connection connection,<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> final TableName tableName)<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> throws IOException {<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> // Catalog tables always exist.<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> return tableName.equals(TableName.META_TABLE_NAME) ||<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> getTableState(connection, tableName) != null;<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> }<a name="line.467"></a> |
| <span class="sourceLineNo">468</span><a name="line.468"></a> |
| <span class="sourceLineNo">469</span> /**<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> * Lists all of the regions currently in META.<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> *<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> * @param connection to connect with<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> * @param excludeOfflinedSplitParents False if we are to include offlined/splitparents regions,<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> * true and we'll leave out offlined regions from returned list<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> * @return List of all user-space regions.<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> */<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> @VisibleForTesting<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> public static List<RegionInfo> getAllRegions(Connection connection,<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> boolean excludeOfflinedSplitParents)<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> throws IOException {<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> List<Pair<RegionInfo, ServerName>> result;<a name="line.481"></a> |
| <span class="sourceLineNo">482</span><a name="line.482"></a> |
| <span class="sourceLineNo">483</span> result = getTableRegionsAndLocations(connection, null,<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> excludeOfflinedSplitParents);<a name="line.484"></a> |
| <span class="sourceLineNo">485</span><a name="line.485"></a> |
| <span class="sourceLineNo">486</span> return getListOfRegionInfos(result);<a name="line.486"></a> |
| <span class="sourceLineNo">487</span><a name="line.487"></a> |
| <span class="sourceLineNo">488</span> }<a name="line.488"></a> |
| <span class="sourceLineNo">489</span><a name="line.489"></a> |
| <span class="sourceLineNo">490</span> /**<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> * Gets all of the regions of the specified table. Do not use this method<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> * to get meta table regions, use methods in MetaTableLocator instead.<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> * @param connection connection we're using<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> * @param tableName table we're looking for<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> * @return Ordered list of {@link RegionInfo}.<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> */<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> public static List<RegionInfo> getTableRegions(Connection connection, TableName tableName)<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> throws IOException {<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> return getTableRegions(connection, tableName, false);<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> }<a name="line.500"></a> |
| <span class="sourceLineNo">501</span><a name="line.501"></a> |
| <span class="sourceLineNo">502</span> /**<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> * Gets all of the regions of the specified table. Do not use this method<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> * to get meta table regions, use methods in MetaTableLocator instead.<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> * @param connection connection we're using<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> * @param tableName table we're looking for<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> * @param excludeOfflinedSplitParents If true, do not include offlined split<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> * parents in the return.<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> * @return Ordered list of {@link RegionInfo}.<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> */<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> public static List<RegionInfo> getTableRegions(Connection connection, TableName tableName,<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> final boolean excludeOfflinedSplitParents) throws IOException {<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> List<Pair<RegionInfo, ServerName>> result =<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> getTableRegionsAndLocations(connection, tableName, excludeOfflinedSplitParents);<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> return getListOfRegionInfos(result);<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> }<a name="line.516"></a> |
| <span class="sourceLineNo">517</span><a name="line.517"></a> |
| <span class="sourceLineNo">518</span> private static List<RegionInfo> getListOfRegionInfos(<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> final List<Pair<RegionInfo, ServerName>> pairs) {<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> if (pairs == null || pairs.isEmpty()) {<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> return Collections.emptyList();<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> }<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> List<RegionInfo> result = new ArrayList<>(pairs.size());<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> for (Pair<RegionInfo, ServerName> pair : pairs) {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> result.add(pair.getFirst());<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> }<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> return result;<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> }<a name="line.528"></a> |
| <span class="sourceLineNo">529</span><a name="line.529"></a> |
| <span class="sourceLineNo">530</span> /**<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> * @param tableName table we're working with<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> * @return start row for scanning META according to query type<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> */<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> public static byte[] getTableStartRowForMeta(TableName tableName, QueryType type) {<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> if (tableName == null) {<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> return null;<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> }<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> switch (type) {<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> case REGION:<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> byte[] startRow = new byte[tableName.getName().length + 2];<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> System.arraycopy(tableName.getName(), 0, startRow, 0, tableName.getName().length);<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> startRow[startRow.length - 2] = HConstants.DELIMITER;<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> startRow[startRow.length - 1] = HConstants.DELIMITER;<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> return startRow;<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> case ALL:<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> case TABLE:<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> default:<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> return tableName.getName();<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> }<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> }<a name="line.550"></a> |
| <span class="sourceLineNo">551</span><a name="line.551"></a> |
| <span class="sourceLineNo">552</span> /**<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> * @param tableName table we're working with<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> * @return stop row for scanning META according to query type<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> */<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> public static byte[] getTableStopRowForMeta(TableName tableName, QueryType type) {<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> if (tableName == null) {<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> return null;<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> }<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> final byte[] stopRow;<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> switch (type) {<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> case REGION:<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> stopRow = new byte[tableName.getName().length + 3];<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> stopRow[stopRow.length - 3] = ' ';<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> stopRow[stopRow.length - 2] = HConstants.DELIMITER;<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> stopRow[stopRow.length - 1] = HConstants.DELIMITER;<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> break;<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> case ALL:<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> case TABLE:<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> default:<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> stopRow = new byte[tableName.getName().length + 1];<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> stopRow[stopRow.length - 1] = ' ';<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> break;<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> }<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> return stopRow;<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> }<a name="line.578"></a> |
| <span class="sourceLineNo">579</span><a name="line.579"></a> |
| <span class="sourceLineNo">580</span> /**<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> * This method creates a Scan object that will only scan catalog rows that<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> * belong to the specified table. It doesn't specify any columns.<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> * This is a better alternative to just using a start row and scan until<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> * it hits a new table since that requires parsing the HRI to get the table<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> * name.<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> * @param tableName bytes of table's name<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> * @return configured Scan object<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> */<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> @Deprecated<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> public static Scan getScanForTableName(Connection connection, TableName tableName) {<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> // Start key is just the table name with delimiters<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> byte[] startKey = getTableStartRowForMeta(tableName, QueryType.REGION);<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> // Stop key appends the smallest possible char to the table name<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> byte[] stopKey = getTableStopRowForMeta(tableName, QueryType.REGION);<a name="line.594"></a> |
| <span class="sourceLineNo">595</span><a name="line.595"></a> |
| <span class="sourceLineNo">596</span> Scan scan = getMetaScan(connection, -1);<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> scan.setStartRow(startKey);<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> scan.setStopRow(stopKey);<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> return scan;<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> }<a name="line.600"></a> |
| <span class="sourceLineNo">601</span><a name="line.601"></a> |
| <span class="sourceLineNo">602</span> private static Scan getMetaScan(Connection connection, int rowUpperLimit) {<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> Scan scan = new Scan();<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> int scannerCaching = connection.getConfiguration()<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> .getInt(HConstants.HBASE_META_SCANNER_CACHING,<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> HConstants.DEFAULT_HBASE_META_SCANNER_CACHING);<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> if (connection.getConfiguration().getBoolean(HConstants.USE_META_REPLICAS,<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> HConstants.DEFAULT_USE_META_REPLICAS)) {<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> scan.setConsistency(Consistency.TIMELINE);<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> }<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> if (rowUpperLimit > 0) {<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> scan.setLimit(rowUpperLimit);<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> scan.setReadType(Scan.ReadType.PREAD);<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> }<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> scan.setCaching(scannerCaching);<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> return scan;<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> }<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> /**<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> * @param connection connection we're using<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> * @param tableName table we're looking for<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> * @return Return list of regioninfos and server.<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> */<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> public static List<Pair<RegionInfo, ServerName>><a name="line.624"></a> |
| <span class="sourceLineNo">625</span> getTableRegionsAndLocations(Connection connection, TableName tableName)<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> throws IOException {<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> return getTableRegionsAndLocations(connection, tableName, true);<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> }<a name="line.628"></a> |
| <span class="sourceLineNo">629</span><a name="line.629"></a> |
| <span class="sourceLineNo">630</span> /**<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> * @param connection connection we're using<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> * @param tableName table to work with, can be null for getting all regions<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> * @param excludeOfflinedSplitParents don't return split parents<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> * @return Return list of regioninfos and server addresses.<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> */<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> public static List<Pair<RegionInfo, ServerName>> getTableRegionsAndLocations(<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> Connection connection, @Nullable final TableName tableName,<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> final boolean excludeOfflinedSplitParents) throws IOException {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> if (tableName != null && tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> throw new IOException("This method can't be used to locate meta regions;"<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> + " use MetaTableLocator instead");<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> }<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> // Make a version of CollectingVisitor that collects RegionInfo and ServerAddress<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> CollectingVisitor<Pair<RegionInfo, ServerName>> visitor =<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> new CollectingVisitor<Pair<RegionInfo, ServerName>>() {<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> private RegionLocations current = null;<a name="line.647"></a> |
| <span class="sourceLineNo">648</span><a name="line.648"></a> |
| <span class="sourceLineNo">649</span> @Override<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> public boolean visit(Result r) throws IOException {<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> current = getRegionLocations(r);<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> if (current == null || current.getRegionLocation().getRegion() == null) {<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> LOG.warn("No serialized RegionInfo in " + r);<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> return true;<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> }<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> RegionInfo hri = current.getRegionLocation().getRegion();<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> if (excludeOfflinedSplitParents && hri.isSplitParent()) return true;<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> // Else call super and add this Result to the collection.<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> return super.visit(r);<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> }<a name="line.660"></a> |
| <span class="sourceLineNo">661</span><a name="line.661"></a> |
| <span class="sourceLineNo">662</span> @Override<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> void add(Result r) {<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> if (current == null) {<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> return;<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> }<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> for (HRegionLocation loc : current.getRegionLocations()) {<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> if (loc != null) {<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> this.results.add(new Pair<>(loc.getRegion(), loc.getServerName()));<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> }<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> }<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> }<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> };<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> scanMeta(connection,<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> getTableStartRowForMeta(tableName, QueryType.REGION),<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> getTableStopRowForMeta(tableName, QueryType.REGION),<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> QueryType.REGION, visitor);<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> return visitor.getResults();<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> }<a name="line.679"></a> |
| <span class="sourceLineNo">680</span><a name="line.680"></a> |
| <span class="sourceLineNo">681</span> public static void fullScanMetaAndPrint(Connection connection)<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> throws IOException {<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> Visitor v = r -> {<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> if (r == null || r.isEmpty()) {<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> return true;<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> }<a name="line.686"></a> |
| <span class="sourceLineNo">687</span> LOG.info("fullScanMetaAndPrint.Current Meta Row: " + r);<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> TableState state = getTableState(r);<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> if (state != null) {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> LOG.info("fullScanMetaAndPrint.Table State={}" + state);<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> } else {<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> RegionLocations locations = getRegionLocations(r);<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> if (locations == null) {<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> return true;<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> }<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> for (HRegionLocation loc : locations.getRegionLocations()) {<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> if (loc != null) {<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> LOG.info("fullScanMetaAndPrint.HRI Print={}", loc.getRegion());<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> }<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> }<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> }<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> return true;<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> };<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> scanMeta(connection, null, null, QueryType.ALL, v);<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> }<a name="line.705"></a> |
| <span class="sourceLineNo">706</span><a name="line.706"></a> |
| <span class="sourceLineNo">707</span> public static void scanMetaForTableRegions(Connection connection, Visitor visitor,<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> TableName tableName) throws IOException {<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> scanMeta(connection, tableName, QueryType.REGION, Integer.MAX_VALUE, visitor);<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> }<a name="line.710"></a> |
| <span class="sourceLineNo">711</span><a name="line.711"></a> |
| <span class="sourceLineNo">712</span> private static void scanMeta(Connection connection, TableName table, QueryType type, int maxRows,<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> final Visitor visitor) throws IOException {<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> scanMeta(connection, getTableStartRowForMeta(table, type), getTableStopRowForMeta(table, type),<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> type, maxRows, visitor);<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> }<a name="line.716"></a> |
| <span class="sourceLineNo">717</span><a name="line.717"></a> |
| <span class="sourceLineNo">718</span> private static void scanMeta(Connection connection, @Nullable final byte[] startRow,<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> @Nullable final byte[] stopRow, QueryType type, final Visitor visitor) throws IOException {<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> scanMeta(connection, startRow, stopRow, type, Integer.MAX_VALUE, visitor);<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> }<a name="line.721"></a> |
| <span class="sourceLineNo">722</span><a name="line.722"></a> |
| <span class="sourceLineNo">723</span> /**<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> * Performs a scan of META table for given table starting from given row.<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> * @param connection connection we're using<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> * @param visitor visitor to call<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> * @param tableName table withing we scan<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> * @param row start scan from this row<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> * @param rowLimit max number of rows to return<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> */<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> public static void scanMeta(Connection connection, final Visitor visitor,<a name="line.731"></a> |
| <span class="sourceLineNo">732</span> final TableName tableName, final byte[] row, final int rowLimit) throws IOException {<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> byte[] startRow = null;<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> byte[] stopRow = null;<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> if (tableName != null) {<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> startRow = getTableStartRowForMeta(tableName, QueryType.REGION);<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> if (row != null) {<a name="line.737"></a> |
| <span class="sourceLineNo">738</span> RegionInfo closestRi = getClosestRegionInfo(connection, tableName, row);<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> startRow =<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> RegionInfo.createRegionName(tableName, closestRi.getStartKey(), HConstants.ZEROES, false);<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> }<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> stopRow = getTableStopRowForMeta(tableName, QueryType.REGION);<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> }<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> scanMeta(connection, startRow, stopRow, QueryType.REGION, rowLimit, visitor);<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> }<a name="line.745"></a> |
| <span class="sourceLineNo">746</span><a name="line.746"></a> |
| <span class="sourceLineNo">747</span> /**<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> * Performs a scan of META table.<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> * @param connection connection we're using<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> * @param startRow Where to start the scan. Pass null if want to begin scan<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> * at first row.<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> * @param stopRow Where to stop the scan. Pass null if want to scan all rows<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> * from the start one<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> * @param type scanned part of meta<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> * @param maxRows maximum rows to return<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> * @param visitor Visitor invoked against each row.<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> */<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> static void scanMeta(Connection connection, @Nullable final byte[] startRow,<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> @Nullable final byte[] stopRow, QueryType type, int maxRows, final Visitor visitor)<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> throws IOException {<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> scanMeta(connection, startRow, stopRow, type, null, maxRows, visitor);<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> }<a name="line.762"></a> |
| <span class="sourceLineNo">763</span><a name="line.763"></a> |
| <span class="sourceLineNo">764</span> private static void scanMeta(Connection connection, @Nullable final byte[] startRow,<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> @Nullable final byte[] stopRow, QueryType type, @Nullable Filter filter, int maxRows,<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> final Visitor visitor) throws IOException {<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> int rowUpperLimit = maxRows > 0 ? maxRows : Integer.MAX_VALUE;<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> Scan scan = getMetaScan(connection, rowUpperLimit);<a name="line.768"></a> |
| <span class="sourceLineNo">769</span><a name="line.769"></a> |
| <span class="sourceLineNo">770</span> for (byte[] family : type.getFamilies()) {<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> scan.addFamily(family);<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> }<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> if (startRow != null) {<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> scan.withStartRow(startRow);<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> }<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> if (stopRow != null) {<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> scan.withStopRow(stopRow);<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> }<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> if (filter != null) {<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> scan.setFilter(filter);<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> }<a name="line.781"></a> |
| <span class="sourceLineNo">782</span><a name="line.782"></a> |
| <span class="sourceLineNo">783</span> if (LOG.isTraceEnabled()) {<a name="line.783"></a> |
| <span class="sourceLineNo">784</span> LOG.trace("Scanning META" + " starting at row=" + Bytes.toStringBinary(startRow) +<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> " stopping at row=" + Bytes.toStringBinary(stopRow) + " for max=" + rowUpperLimit +<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> " with caching=" + scan.getCaching());<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> }<a name="line.787"></a> |
| <span class="sourceLineNo">788</span><a name="line.788"></a> |
| <span class="sourceLineNo">789</span> int currentRow = 0;<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> try (Table metaTable = getMetaHTable(connection)) {<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> try (ResultScanner scanner = metaTable.getScanner(scan)) {<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> Result data;<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> while ((data = scanner.next()) != null) {<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> if (data.isEmpty()) continue;<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> // Break if visit returns false.<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> if (!visitor.visit(data)) break;<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> if (++currentRow >= rowUpperLimit) break;<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> }<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> }<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> }<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> if (visitor instanceof Closeable) {<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> try {<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> ((Closeable) visitor).close();<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> } catch (Throwable t) {<a name="line.804"></a> |
| <span class="sourceLineNo">805</span> ExceptionUtil.rethrowIfInterrupt(t);<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> LOG.debug("Got exception in closing the meta scanner visitor", t);<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> }<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> }<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> }<a name="line.809"></a> |
| <span class="sourceLineNo">810</span><a name="line.810"></a> |
| <span class="sourceLineNo">811</span> /**<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> * @return Get closest metatable region row to passed <code>row</code><a name="line.812"></a> |
| <span class="sourceLineNo">813</span> */<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> @NonNull<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> private static RegionInfo getClosestRegionInfo(Connection connection,<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> @NonNull final TableName tableName, @NonNull final byte[] row) throws IOException {<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> byte[] searchRow = RegionInfo.createRegionName(tableName, row, HConstants.NINES, false);<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> Scan scan = getMetaScan(connection, 1);<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> scan.setReversed(true);<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> scan.withStartRow(searchRow);<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> try (ResultScanner resultScanner = getMetaHTable(connection).getScanner(scan)) {<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> Result result = resultScanner.next();<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> if (result == null) {<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> throw new TableNotFoundException("Cannot find row in META " +<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> " for table: " + tableName + ", row=" + Bytes.toStringBinary(row));<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> }<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> RegionInfo regionInfo = getRegionInfo(result);<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> if (regionInfo == null) {<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> throw new IOException("RegionInfo was null or empty in Meta for " +<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> tableName + ", row=" + Bytes.toStringBinary(row));<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> }<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> return regionInfo;<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> }<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> }<a name="line.834"></a> |
| <span class="sourceLineNo">835</span><a name="line.835"></a> |
| <span class="sourceLineNo">836</span> /**<a name="line.836"></a> |
| <span class="sourceLineNo">837</span> * Returns the column family used for meta columns.<a name="line.837"></a> |
| <span class="sourceLineNo">838</span> * @return HConstants.CATALOG_FAMILY.<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> */<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> public static byte[] getCatalogFamily() {<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> return HConstants.CATALOG_FAMILY;<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> }<a name="line.842"></a> |
| <span class="sourceLineNo">843</span><a name="line.843"></a> |
| <span class="sourceLineNo">844</span> /**<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> * Returns the column family used for table columns.<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> * @return HConstants.TABLE_FAMILY.<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> */<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> private static byte[] getTableFamily() {<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> return HConstants.TABLE_FAMILY;<a name="line.849"></a> |
| <span class="sourceLineNo">850</span> }<a name="line.850"></a> |
| <span class="sourceLineNo">851</span><a name="line.851"></a> |
| <span class="sourceLineNo">852</span> /**<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> * Returns the column qualifier for serialized region info<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> * @return HConstants.REGIONINFO_QUALIFIER<a name="line.854"></a> |
| <span class="sourceLineNo">855</span> */<a name="line.855"></a> |
| <span class="sourceLineNo">856</span> public static byte[] getRegionInfoColumn() {<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> return HConstants.REGIONINFO_QUALIFIER;<a name="line.857"></a> |
| <span class="sourceLineNo">858</span> }<a name="line.858"></a> |
| <span class="sourceLineNo">859</span><a name="line.859"></a> |
| <span class="sourceLineNo">860</span> /**<a name="line.860"></a> |
| <span class="sourceLineNo">861</span> * Returns the column qualifier for serialized table state<a name="line.861"></a> |
| <span class="sourceLineNo">862</span> * @return HConstants.TABLE_STATE_QUALIFIER<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> */<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> private static byte[] getTableStateColumn() {<a name="line.864"></a> |
| <span class="sourceLineNo">865</span> return HConstants.TABLE_STATE_QUALIFIER;<a name="line.865"></a> |
| <span class="sourceLineNo">866</span> }<a name="line.866"></a> |
| <span class="sourceLineNo">867</span><a name="line.867"></a> |
| <span class="sourceLineNo">868</span> /**<a name="line.868"></a> |
| <span class="sourceLineNo">869</span> * Returns the column qualifier for serialized region state<a name="line.869"></a> |
| <span class="sourceLineNo">870</span> * @return HConstants.STATE_QUALIFIER<a name="line.870"></a> |
| <span class="sourceLineNo">871</span> */<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> private static byte[] getRegionStateColumn() {<a name="line.872"></a> |
| <span class="sourceLineNo">873</span> return HConstants.STATE_QUALIFIER;<a name="line.873"></a> |
| <span class="sourceLineNo">874</span> }<a name="line.874"></a> |
| <span class="sourceLineNo">875</span><a name="line.875"></a> |
| <span class="sourceLineNo">876</span> /**<a name="line.876"></a> |
| <span class="sourceLineNo">877</span> * Returns the column qualifier for serialized region state<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> * @param replicaId the replicaId of the region<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> * @return a byte[] for state qualifier<a name="line.879"></a> |
| <span class="sourceLineNo">880</span> */<a name="line.880"></a> |
| <span class="sourceLineNo">881</span> @VisibleForTesting<a name="line.881"></a> |
| <span class="sourceLineNo">882</span> static byte[] getRegionStateColumn(int replicaId) {<a name="line.882"></a> |
| <span class="sourceLineNo">883</span> return replicaId == 0 ? HConstants.STATE_QUALIFIER<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> : Bytes.toBytes(HConstants.STATE_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.884"></a> |
| <span class="sourceLineNo">885</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.885"></a> |
| <span class="sourceLineNo">886</span> }<a name="line.886"></a> |
| <span class="sourceLineNo">887</span><a name="line.887"></a> |
| <span class="sourceLineNo">888</span> /**<a name="line.888"></a> |
| <span class="sourceLineNo">889</span> * Returns the column qualifier for serialized region state<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> * @param replicaId the replicaId of the region<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> * @return a byte[] for sn column qualifier<a name="line.891"></a> |
| <span class="sourceLineNo">892</span> */<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> @VisibleForTesting<a name="line.893"></a> |
| <span class="sourceLineNo">894</span> static byte[] getServerNameColumn(int replicaId) {<a name="line.894"></a> |
| <span class="sourceLineNo">895</span> return replicaId == 0 ? HConstants.SERVERNAME_QUALIFIER<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> : Bytes.toBytes(HConstants.SERVERNAME_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.896"></a> |
| <span class="sourceLineNo">897</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.897"></a> |
| <span class="sourceLineNo">898</span> }<a name="line.898"></a> |
| <span class="sourceLineNo">899</span><a name="line.899"></a> |
| <span class="sourceLineNo">900</span> /**<a name="line.900"></a> |
| <span class="sourceLineNo">901</span> * Returns the column qualifier for server column for replicaId<a name="line.901"></a> |
| <span class="sourceLineNo">902</span> * @param replicaId the replicaId of the region<a name="line.902"></a> |
| <span class="sourceLineNo">903</span> * @return a byte[] for server column qualifier<a name="line.903"></a> |
| <span class="sourceLineNo">904</span> */<a name="line.904"></a> |
| <span class="sourceLineNo">905</span> @VisibleForTesting<a name="line.905"></a> |
| <span class="sourceLineNo">906</span> public static byte[] getServerColumn(int replicaId) {<a name="line.906"></a> |
| <span class="sourceLineNo">907</span> return replicaId == 0<a name="line.907"></a> |
| <span class="sourceLineNo">908</span> ? HConstants.SERVER_QUALIFIER<a name="line.908"></a> |
| <span class="sourceLineNo">909</span> : Bytes.toBytes(HConstants.SERVER_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.909"></a> |
| <span class="sourceLineNo">910</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.910"></a> |
| <span class="sourceLineNo">911</span> }<a name="line.911"></a> |
| <span class="sourceLineNo">912</span><a name="line.912"></a> |
| <span class="sourceLineNo">913</span> /**<a name="line.913"></a> |
| <span class="sourceLineNo">914</span> * Returns the column qualifier for server start code column for replicaId<a name="line.914"></a> |
| <span class="sourceLineNo">915</span> * @param replicaId the replicaId of the region<a name="line.915"></a> |
| <span class="sourceLineNo">916</span> * @return a byte[] for server start code column qualifier<a name="line.916"></a> |
| <span class="sourceLineNo">917</span> */<a name="line.917"></a> |
| <span class="sourceLineNo">918</span> @VisibleForTesting<a name="line.918"></a> |
| <span class="sourceLineNo">919</span> public static byte[] getStartCodeColumn(int replicaId) {<a name="line.919"></a> |
| <span class="sourceLineNo">920</span> return replicaId == 0<a name="line.920"></a> |
| <span class="sourceLineNo">921</span> ? HConstants.STARTCODE_QUALIFIER<a name="line.921"></a> |
| <span class="sourceLineNo">922</span> : Bytes.toBytes(HConstants.STARTCODE_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.922"></a> |
| <span class="sourceLineNo">923</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> }<a name="line.924"></a> |
| <span class="sourceLineNo">925</span><a name="line.925"></a> |
| <span class="sourceLineNo">926</span> /**<a name="line.926"></a> |
| <span class="sourceLineNo">927</span> * Returns the column qualifier for seqNum column for replicaId<a name="line.927"></a> |
| <span class="sourceLineNo">928</span> * @param replicaId the replicaId of the region<a name="line.928"></a> |
| <span class="sourceLineNo">929</span> * @return a byte[] for seqNum column qualifier<a name="line.929"></a> |
| <span class="sourceLineNo">930</span> */<a name="line.930"></a> |
| <span class="sourceLineNo">931</span> @VisibleForTesting<a name="line.931"></a> |
| <span class="sourceLineNo">932</span> public static byte[] getSeqNumColumn(int replicaId) {<a name="line.932"></a> |
| <span class="sourceLineNo">933</span> return replicaId == 0<a name="line.933"></a> |
| <span class="sourceLineNo">934</span> ? HConstants.SEQNUM_QUALIFIER<a name="line.934"></a> |
| <span class="sourceLineNo">935</span> : Bytes.toBytes(HConstants.SEQNUM_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.935"></a> |
| <span class="sourceLineNo">936</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.936"></a> |
| <span class="sourceLineNo">937</span> }<a name="line.937"></a> |
| <span class="sourceLineNo">938</span><a name="line.938"></a> |
| <span class="sourceLineNo">939</span> /**<a name="line.939"></a> |
| <span class="sourceLineNo">940</span> * Parses the replicaId from the server column qualifier. See top of the class javadoc<a name="line.940"></a> |
| <span class="sourceLineNo">941</span> * for the actual meta layout<a name="line.941"></a> |
| <span class="sourceLineNo">942</span> * @param serverColumn the column qualifier<a name="line.942"></a> |
| <span class="sourceLineNo">943</span> * @return an int for the replicaId<a name="line.943"></a> |
| <span class="sourceLineNo">944</span> */<a name="line.944"></a> |
| <span class="sourceLineNo">945</span> @VisibleForTesting<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> static int parseReplicaIdFromServerColumn(byte[] serverColumn) {<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> String serverStr = Bytes.toString(serverColumn);<a name="line.947"></a> |
| <span class="sourceLineNo">948</span><a name="line.948"></a> |
| <span class="sourceLineNo">949</span> Matcher matcher = SERVER_COLUMN_PATTERN.matcher(serverStr);<a name="line.949"></a> |
| <span class="sourceLineNo">950</span> if (matcher.matches() && matcher.groupCount() > 0) {<a name="line.950"></a> |
| <span class="sourceLineNo">951</span> String group = matcher.group(1);<a name="line.951"></a> |
| <span class="sourceLineNo">952</span> if (group != null && group.length() > 0) {<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> return Integer.parseInt(group.substring(1), 16);<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> } else {<a name="line.954"></a> |
| <span class="sourceLineNo">955</span> return 0;<a name="line.955"></a> |
| <span class="sourceLineNo">956</span> }<a name="line.956"></a> |
| <span class="sourceLineNo">957</span> }<a name="line.957"></a> |
| <span class="sourceLineNo">958</span> return -1;<a name="line.958"></a> |
| <span class="sourceLineNo">959</span> }<a name="line.959"></a> |
| <span class="sourceLineNo">960</span><a name="line.960"></a> |
| <span class="sourceLineNo">961</span> /**<a name="line.961"></a> |
| <span class="sourceLineNo">962</span> * Returns a {@link ServerName} from catalog table {@link Result}.<a name="line.962"></a> |
| <span class="sourceLineNo">963</span> * @param r Result to pull from<a name="line.963"></a> |
| <span class="sourceLineNo">964</span> * @return A ServerName instance or null if necessary fields not found or empty.<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> */<a name="line.965"></a> |
| <span class="sourceLineNo">966</span> @Nullable<a name="line.966"></a> |
| <span class="sourceLineNo">967</span> @InterfaceAudience.Private // for use by HMaster#getTableRegionRow which is used for testing only<a name="line.967"></a> |
| <span class="sourceLineNo">968</span> public static ServerName getServerName(final Result r, final int replicaId) {<a name="line.968"></a> |
| <span class="sourceLineNo">969</span> byte[] serverColumn = getServerColumn(replicaId);<a name="line.969"></a> |
| <span class="sourceLineNo">970</span> Cell cell = r.getColumnLatestCell(getCatalogFamily(), serverColumn);<a name="line.970"></a> |
| <span class="sourceLineNo">971</span> if (cell == null || cell.getValueLength() == 0) return null;<a name="line.971"></a> |
| <span class="sourceLineNo">972</span> String hostAndPort = Bytes.toString(<a name="line.972"></a> |
| <span class="sourceLineNo">973</span> cell.getValueArray(), cell.getValueOffset(), cell.getValueLength());<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> byte[] startcodeColumn = getStartCodeColumn(replicaId);<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> cell = r.getColumnLatestCell(getCatalogFamily(), startcodeColumn);<a name="line.975"></a> |
| <span class="sourceLineNo">976</span> if (cell == null || cell.getValueLength() == 0) return null;<a name="line.976"></a> |
| <span class="sourceLineNo">977</span> try {<a name="line.977"></a> |
| <span class="sourceLineNo">978</span> return ServerName.valueOf(hostAndPort,<a name="line.978"></a> |
| <span class="sourceLineNo">979</span> Bytes.toLong(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()));<a name="line.979"></a> |
| <span class="sourceLineNo">980</span> } catch (IllegalArgumentException e) {<a name="line.980"></a> |
| <span class="sourceLineNo">981</span> LOG.error("Ignoring invalid region for server " + hostAndPort + "; cell=" + cell, e);<a name="line.981"></a> |
| <span class="sourceLineNo">982</span> return null;<a name="line.982"></a> |
| <span class="sourceLineNo">983</span> }<a name="line.983"></a> |
| <span class="sourceLineNo">984</span> }<a name="line.984"></a> |
| <span class="sourceLineNo">985</span><a name="line.985"></a> |
| <span class="sourceLineNo">986</span> /**<a name="line.986"></a> |
| <span class="sourceLineNo">987</span> * The latest seqnum that the server writing to meta observed when opening the region.<a name="line.987"></a> |
| <span class="sourceLineNo">988</span> * E.g. the seqNum when the result of {@link #getServerName(Result, int)} was written.<a name="line.988"></a> |
| <span class="sourceLineNo">989</span> * @param r Result to pull the seqNum from<a name="line.989"></a> |
| <span class="sourceLineNo">990</span> * @return SeqNum, or HConstants.NO_SEQNUM if there's no value written.<a name="line.990"></a> |
| <span class="sourceLineNo">991</span> */<a name="line.991"></a> |
| <span class="sourceLineNo">992</span> private static long getSeqNumDuringOpen(final Result r, final int replicaId) {<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> Cell cell = r.getColumnLatestCell(getCatalogFamily(), getSeqNumColumn(replicaId));<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> if (cell == null || cell.getValueLength() == 0) return HConstants.NO_SEQNUM;<a name="line.994"></a> |
| <span class="sourceLineNo">995</span> return Bytes.toLong(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength());<a name="line.995"></a> |
| <span class="sourceLineNo">996</span> }<a name="line.996"></a> |
| <span class="sourceLineNo">997</span><a name="line.997"></a> |
| <span class="sourceLineNo">998</span> /**<a name="line.998"></a> |
| <span class="sourceLineNo">999</span> * Returns the daughter regions by reading the corresponding columns of the catalog table<a name="line.999"></a> |
| <span class="sourceLineNo">1000</span> * Result.<a name="line.1000"></a> |
| <span class="sourceLineNo">1001</span> * @param data a Result object from the catalog table scan<a name="line.1001"></a> |
| <span class="sourceLineNo">1002</span> * @return pair of RegionInfo or PairOfSameType(null, null) if region is not a split parent<a name="line.1002"></a> |
| <span class="sourceLineNo">1003</span> */<a name="line.1003"></a> |
| <span class="sourceLineNo">1004</span> public static PairOfSameType<RegionInfo> getDaughterRegions(Result data) {<a name="line.1004"></a> |
| <span class="sourceLineNo">1005</span> RegionInfo splitA = getRegionInfo(data, HConstants.SPLITA_QUALIFIER);<a name="line.1005"></a> |
| <span class="sourceLineNo">1006</span> RegionInfo splitB = getRegionInfo(data, HConstants.SPLITB_QUALIFIER);<a name="line.1006"></a> |
| <span class="sourceLineNo">1007</span> return new PairOfSameType<>(splitA, splitB);<a name="line.1007"></a> |
| <span class="sourceLineNo">1008</span> }<a name="line.1008"></a> |
| <span class="sourceLineNo">1009</span><a name="line.1009"></a> |
| <span class="sourceLineNo">1010</span> /**<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span> * Returns an HRegionLocationList extracted from the result.<a name="line.1011"></a> |
| <span class="sourceLineNo">1012</span> * @return an HRegionLocationList containing all locations for the region range or null if<a name="line.1012"></a> |
| <span class="sourceLineNo">1013</span> * we can't deserialize the result.<a name="line.1013"></a> |
| <span class="sourceLineNo">1014</span> */<a name="line.1014"></a> |
| <span class="sourceLineNo">1015</span> @Nullable<a name="line.1015"></a> |
| <span class="sourceLineNo">1016</span> public static RegionLocations getRegionLocations(final Result r) {<a name="line.1016"></a> |
| <span class="sourceLineNo">1017</span> if (r == null) return null;<a name="line.1017"></a> |
| <span class="sourceLineNo">1018</span> RegionInfo regionInfo = getRegionInfo(r, getRegionInfoColumn());<a name="line.1018"></a> |
| <span class="sourceLineNo">1019</span> if (regionInfo == null) return null;<a name="line.1019"></a> |
| <span class="sourceLineNo">1020</span><a name="line.1020"></a> |
| <span class="sourceLineNo">1021</span> List<HRegionLocation> locations = new ArrayList<>(1);<a name="line.1021"></a> |
| <span class="sourceLineNo">1022</span> NavigableMap<byte[],NavigableMap<byte[],byte[]>> familyMap = r.getNoVersionMap();<a name="line.1022"></a> |
| <span class="sourceLineNo">1023</span><a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> locations.add(getRegionLocation(r, regionInfo, 0));<a name="line.1024"></a> |
| <span class="sourceLineNo">1025</span><a name="line.1025"></a> |
| <span class="sourceLineNo">1026</span> NavigableMap<byte[], byte[]> infoMap = familyMap.get(getCatalogFamily());<a name="line.1026"></a> |
| <span class="sourceLineNo">1027</span> if (infoMap == null) return new RegionLocations(locations);<a name="line.1027"></a> |
| <span class="sourceLineNo">1028</span><a name="line.1028"></a> |
| <span class="sourceLineNo">1029</span> // iterate until all serverName columns are seen<a name="line.1029"></a> |
| <span class="sourceLineNo">1030</span> int replicaId = 0;<a name="line.1030"></a> |
| <span class="sourceLineNo">1031</span> byte[] serverColumn = getServerColumn(replicaId);<a name="line.1031"></a> |
| <span class="sourceLineNo">1032</span> SortedMap<byte[], byte[]> serverMap;<a name="line.1032"></a> |
| <span class="sourceLineNo">1033</span> serverMap = infoMap.tailMap(serverColumn, false);<a name="line.1033"></a> |
| <span class="sourceLineNo">1034</span><a name="line.1034"></a> |
| <span class="sourceLineNo">1035</span> if (serverMap.isEmpty()) return new RegionLocations(locations);<a name="line.1035"></a> |
| <span class="sourceLineNo">1036</span><a name="line.1036"></a> |
| <span class="sourceLineNo">1037</span> for (Map.Entry<byte[], byte[]> entry : serverMap.entrySet()) {<a name="line.1037"></a> |
| <span class="sourceLineNo">1038</span> replicaId = parseReplicaIdFromServerColumn(entry.getKey());<a name="line.1038"></a> |
| <span class="sourceLineNo">1039</span> if (replicaId < 0) {<a name="line.1039"></a> |
| <span class="sourceLineNo">1040</span> break;<a name="line.1040"></a> |
| <span class="sourceLineNo">1041</span> }<a name="line.1041"></a> |
| <span class="sourceLineNo">1042</span> HRegionLocation location = getRegionLocation(r, regionInfo, replicaId);<a name="line.1042"></a> |
| <span class="sourceLineNo">1043</span> // In case the region replica is newly created, it's location might be null. We usually do not<a name="line.1043"></a> |
| <span class="sourceLineNo">1044</span> // have HRL's in RegionLocations object with null ServerName. They are handled as null HRLs.<a name="line.1044"></a> |
| <span class="sourceLineNo">1045</span> if (location.getServerName() == null) {<a name="line.1045"></a> |
| <span class="sourceLineNo">1046</span> locations.add(null);<a name="line.1046"></a> |
| <span class="sourceLineNo">1047</span> } else {<a name="line.1047"></a> |
| <span class="sourceLineNo">1048</span> locations.add(location);<a name="line.1048"></a> |
| <span class="sourceLineNo">1049</span> }<a name="line.1049"></a> |
| <span class="sourceLineNo">1050</span> }<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span><a name="line.1051"></a> |
| <span class="sourceLineNo">1052</span> return new RegionLocations(locations);<a name="line.1052"></a> |
| <span class="sourceLineNo">1053</span> }<a name="line.1053"></a> |
| <span class="sourceLineNo">1054</span><a name="line.1054"></a> |
| <span class="sourceLineNo">1055</span> /**<a name="line.1055"></a> |
| <span class="sourceLineNo">1056</span> * Returns the HRegionLocation parsed from the given meta row Result<a name="line.1056"></a> |
| <span class="sourceLineNo">1057</span> * for the given regionInfo and replicaId. The regionInfo can be the default region info<a name="line.1057"></a> |
| <span class="sourceLineNo">1058</span> * for the replica.<a name="line.1058"></a> |
| <span class="sourceLineNo">1059</span> * @param r the meta row result<a name="line.1059"></a> |
| <span class="sourceLineNo">1060</span> * @param regionInfo RegionInfo for default replica<a name="line.1060"></a> |
| <span class="sourceLineNo">1061</span> * @param replicaId the replicaId for the HRegionLocation<a name="line.1061"></a> |
| <span class="sourceLineNo">1062</span> * @return HRegionLocation parsed from the given meta row Result for the given replicaId<a name="line.1062"></a> |
| <span class="sourceLineNo">1063</span> */<a name="line.1063"></a> |
| <span class="sourceLineNo">1064</span> private static HRegionLocation getRegionLocation(final Result r, final RegionInfo regionInfo,<a name="line.1064"></a> |
| <span class="sourceLineNo">1065</span> final int replicaId) {<a name="line.1065"></a> |
| <span class="sourceLineNo">1066</span> ServerName serverName = getServerName(r, replicaId);<a name="line.1066"></a> |
| <span class="sourceLineNo">1067</span> long seqNum = getSeqNumDuringOpen(r, replicaId);<a name="line.1067"></a> |
| <span class="sourceLineNo">1068</span> RegionInfo replicaInfo = RegionReplicaUtil.getRegionInfoForReplica(regionInfo, replicaId);<a name="line.1068"></a> |
| <span class="sourceLineNo">1069</span> return new HRegionLocation(replicaInfo, serverName, seqNum);<a name="line.1069"></a> |
| <span class="sourceLineNo">1070</span> }<a name="line.1070"></a> |
| <span class="sourceLineNo">1071</span><a name="line.1071"></a> |
| <span class="sourceLineNo">1072</span> /**<a name="line.1072"></a> |
| <span class="sourceLineNo">1073</span> * Returns RegionInfo object from the column<a name="line.1073"></a> |
| <span class="sourceLineNo">1074</span> * HConstants.CATALOG_FAMILY:HConstants.REGIONINFO_QUALIFIER of the catalog<a name="line.1074"></a> |
| <span class="sourceLineNo">1075</span> * table Result.<a name="line.1075"></a> |
| <span class="sourceLineNo">1076</span> * @param data a Result object from the catalog table scan<a name="line.1076"></a> |
| <span class="sourceLineNo">1077</span> * @return RegionInfo or null<a name="line.1077"></a> |
| <span class="sourceLineNo">1078</span> */<a name="line.1078"></a> |
| <span class="sourceLineNo">1079</span> public static RegionInfo getRegionInfo(Result data) {<a name="line.1079"></a> |
| <span class="sourceLineNo">1080</span> return getRegionInfo(data, HConstants.REGIONINFO_QUALIFIER);<a name="line.1080"></a> |
| <span class="sourceLineNo">1081</span> }<a name="line.1081"></a> |
| <span class="sourceLineNo">1082</span><a name="line.1082"></a> |
| <span class="sourceLineNo">1083</span> /**<a name="line.1083"></a> |
| <span class="sourceLineNo">1084</span> * Returns the RegionInfo object from the column {@link HConstants#CATALOG_FAMILY} and<a name="line.1084"></a> |
| <span class="sourceLineNo">1085</span> * <code>qualifier</code> of the catalog table result.<a name="line.1085"></a> |
| <span class="sourceLineNo">1086</span> * @param r a Result object from the catalog table scan<a name="line.1086"></a> |
| <span class="sourceLineNo">1087</span> * @param qualifier Column family qualifier<a name="line.1087"></a> |
| <span class="sourceLineNo">1088</span> * @return An RegionInfo instance or null.<a name="line.1088"></a> |
| <span class="sourceLineNo">1089</span> */<a name="line.1089"></a> |
| <span class="sourceLineNo">1090</span> @Nullable<a name="line.1090"></a> |
| <span class="sourceLineNo">1091</span> public static RegionInfo getRegionInfo(final Result r, byte [] qualifier) {<a name="line.1091"></a> |
| <span class="sourceLineNo">1092</span> Cell cell = r.getColumnLatestCell(getCatalogFamily(), qualifier);<a name="line.1092"></a> |
| <span class="sourceLineNo">1093</span> if (cell == null) return null;<a name="line.1093"></a> |
| <span class="sourceLineNo">1094</span> return RegionInfo.parseFromOrNull(cell.getValueArray(),<a name="line.1094"></a> |
| <span class="sourceLineNo">1095</span> cell.getValueOffset(), cell.getValueLength());<a name="line.1095"></a> |
| <span class="sourceLineNo">1096</span> }<a name="line.1096"></a> |
| <span class="sourceLineNo">1097</span><a name="line.1097"></a> |
| <span class="sourceLineNo">1098</span> /**<a name="line.1098"></a> |
| <span class="sourceLineNo">1099</span> * Fetch table state for given table from META table<a name="line.1099"></a> |
| <span class="sourceLineNo">1100</span> * @param conn connection to use<a name="line.1100"></a> |
| <span class="sourceLineNo">1101</span> * @param tableName table to fetch state for<a name="line.1101"></a> |
| <span class="sourceLineNo">1102</span> */<a name="line.1102"></a> |
| <span class="sourceLineNo">1103</span> @Nullable<a name="line.1103"></a> |
| <span class="sourceLineNo">1104</span> public static TableState getTableState(Connection conn, TableName tableName)<a name="line.1104"></a> |
| <span class="sourceLineNo">1105</span> throws IOException {<a name="line.1105"></a> |
| <span class="sourceLineNo">1106</span> if (tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.1106"></a> |
| <span class="sourceLineNo">1107</span> return new TableState(tableName, TableState.State.ENABLED);<a name="line.1107"></a> |
| <span class="sourceLineNo">1108</span> }<a name="line.1108"></a> |
| <span class="sourceLineNo">1109</span> Table metaHTable = getMetaHTable(conn);<a name="line.1109"></a> |
| <span class="sourceLineNo">1110</span> Get get = new Get(tableName.getName()).addColumn(getTableFamily(), getTableStateColumn());<a name="line.1110"></a> |
| <span class="sourceLineNo">1111</span> Result result = metaHTable.get(get);<a name="line.1111"></a> |
| <span class="sourceLineNo">1112</span> return getTableState(result);<a name="line.1112"></a> |
| <span class="sourceLineNo">1113</span> }<a name="line.1113"></a> |
| <span class="sourceLineNo">1114</span><a name="line.1114"></a> |
| <span class="sourceLineNo">1115</span> /**<a name="line.1115"></a> |
| <span class="sourceLineNo">1116</span> * Fetch table states from META table<a name="line.1116"></a> |
| <span class="sourceLineNo">1117</span> * @param conn connection to use<a name="line.1117"></a> |
| <span class="sourceLineNo">1118</span> * @return map {tableName -&gt; state}<a name="line.1118"></a> |
| <span class="sourceLineNo">1119</span> */<a name="line.1119"></a> |
| <span class="sourceLineNo">1120</span> public static Map<TableName, TableState> getTableStates(Connection conn)<a name="line.1120"></a> |
| <span class="sourceLineNo">1121</span> throws IOException {<a name="line.1121"></a> |
| <span class="sourceLineNo">1122</span> final Map<TableName, TableState> states = new LinkedHashMap<>();<a name="line.1122"></a> |
| <span class="sourceLineNo">1123</span> Visitor collector = r -> {<a name="line.1123"></a> |
| <span class="sourceLineNo">1124</span> TableState state = getTableState(r);<a name="line.1124"></a> |
| <span class="sourceLineNo">1125</span> if (state != null) {<a name="line.1125"></a> |
| <span class="sourceLineNo">1126</span> states.put(state.getTableName(), state);<a name="line.1126"></a> |
| <span class="sourceLineNo">1127</span> }<a name="line.1127"></a> |
| <span class="sourceLineNo">1128</span> return true;<a name="line.1128"></a> |
| <span class="sourceLineNo">1129</span> };<a name="line.1129"></a> |
| <span class="sourceLineNo">1130</span> fullScanTables(conn, collector);<a name="line.1130"></a> |
| <span class="sourceLineNo">1131</span> return states;<a name="line.1131"></a> |
| <span class="sourceLineNo">1132</span> }<a name="line.1132"></a> |
| <span class="sourceLineNo">1133</span><a name="line.1133"></a> |
| <span class="sourceLineNo">1134</span> /**<a name="line.1134"></a> |
| <span class="sourceLineNo">1135</span> * Updates state in META<a name="line.1135"></a> |
| <span class="sourceLineNo">1136</span> * @param conn connection to use<a name="line.1136"></a> |
| <span class="sourceLineNo">1137</span> * @param tableName table to look for<a name="line.1137"></a> |
| <span class="sourceLineNo">1138</span> */<a name="line.1138"></a> |
| <span class="sourceLineNo">1139</span> public static void updateTableState(Connection conn, TableName tableName,<a name="line.1139"></a> |
| <span class="sourceLineNo">1140</span> TableState.State actual) throws IOException {<a name="line.1140"></a> |
| <span class="sourceLineNo">1141</span> updateTableState(conn, new TableState(tableName, actual));<a name="line.1141"></a> |
| <span class="sourceLineNo">1142</span> }<a name="line.1142"></a> |
| <span class="sourceLineNo">1143</span><a name="line.1143"></a> |
| <span class="sourceLineNo">1144</span> /**<a name="line.1144"></a> |
| <span class="sourceLineNo">1145</span> * Decode table state from META Result.<a name="line.1145"></a> |
| <span class="sourceLineNo">1146</span> * Should contain cell from HConstants.TABLE_FAMILY<a name="line.1146"></a> |
| <span class="sourceLineNo">1147</span> * @return null if not found<a name="line.1147"></a> |
| <span class="sourceLineNo">1148</span> */<a name="line.1148"></a> |
| <span class="sourceLineNo">1149</span> @Nullable<a name="line.1149"></a> |
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| <span class="sourceLineNo">1156</span> return TableState.parseFrom(TableName.valueOf(r.getRow()),<a name="line.1156"></a> |
| <span class="sourceLineNo">1157</span> Arrays.copyOfRange(cell.getValueArray(), cell.getValueOffset(),<a name="line.1157"></a> |
| <span class="sourceLineNo">1158</span> cell.getValueOffset() + cell.getValueLength()));<a name="line.1158"></a> |
| <span class="sourceLineNo">1159</span> } catch (DeserializationException e) {<a name="line.1159"></a> |
| <span class="sourceLineNo">1160</span> throw new IOException(e);<a name="line.1160"></a> |
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| <span class="sourceLineNo">1162</span> }<a name="line.1162"></a> |
| <span class="sourceLineNo">1163</span><a name="line.1163"></a> |
| <span class="sourceLineNo">1164</span> /**<a name="line.1164"></a> |
| <span class="sourceLineNo">1165</span> * Implementations 'visit' a catalog table row.<a name="line.1165"></a> |
| <span class="sourceLineNo">1166</span> */<a name="line.1166"></a> |
| <span class="sourceLineNo">1167</span> public interface Visitor {<a name="line.1167"></a> |
| <span class="sourceLineNo">1168</span> /**<a name="line.1168"></a> |
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| <span class="sourceLineNo">1170</span> * @param r A row from catalog table<a name="line.1170"></a> |
| <span class="sourceLineNo">1171</span> * @return True if we are to proceed scanning the table, else false if<a name="line.1171"></a> |
| <span class="sourceLineNo">1172</span> * we are to stop now.<a name="line.1172"></a> |
| <span class="sourceLineNo">1173</span> */<a name="line.1173"></a> |
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| <span class="sourceLineNo">1176</span><a name="line.1176"></a> |
| <span class="sourceLineNo">1177</span> /**<a name="line.1177"></a> |
| <span class="sourceLineNo">1178</span> * Implementations 'visit' a catalog table row but with close() at the end.<a name="line.1178"></a> |
| <span class="sourceLineNo">1179</span> */<a name="line.1179"></a> |
| <span class="sourceLineNo">1180</span> public interface CloseableVisitor extends Visitor, Closeable {<a name="line.1180"></a> |
| <span class="sourceLineNo">1181</span> }<a name="line.1181"></a> |
| <span class="sourceLineNo">1182</span><a name="line.1182"></a> |
| <span class="sourceLineNo">1183</span> /**<a name="line.1183"></a> |
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| <span class="sourceLineNo">1185</span> */<a name="line.1185"></a> |
| <span class="sourceLineNo">1186</span> static abstract class CollectingVisitor<T> implements Visitor {<a name="line.1186"></a> |
| <span class="sourceLineNo">1187</span> final List<T> results = new ArrayList<>();<a name="line.1187"></a> |
| <span class="sourceLineNo">1188</span> @Override<a name="line.1188"></a> |
| <span class="sourceLineNo">1189</span> public boolean visit(Result r) throws IOException {<a name="line.1189"></a> |
| <span class="sourceLineNo">1190</span> if (r != null && !r.isEmpty()) {<a name="line.1190"></a> |
| <span class="sourceLineNo">1191</span> add(r);<a name="line.1191"></a> |
| <span class="sourceLineNo">1192</span> }<a name="line.1192"></a> |
| <span class="sourceLineNo">1193</span> return true;<a name="line.1193"></a> |
| <span class="sourceLineNo">1194</span> }<a name="line.1194"></a> |
| <span class="sourceLineNo">1195</span><a name="line.1195"></a> |
| <span class="sourceLineNo">1196</span> abstract void add(Result r);<a name="line.1196"></a> |
| <span class="sourceLineNo">1197</span><a name="line.1197"></a> |
| <span class="sourceLineNo">1198</span> /**<a name="line.1198"></a> |
| <span class="sourceLineNo">1199</span> * @return Collected results; wait till visits complete to collect all<a name="line.1199"></a> |
| <span class="sourceLineNo">1200</span> * possible results<a name="line.1200"></a> |
| <span class="sourceLineNo">1201</span> */<a name="line.1201"></a> |
| <span class="sourceLineNo">1202</span> List<T> getResults() {<a name="line.1202"></a> |
| <span class="sourceLineNo">1203</span> return this.results;<a name="line.1203"></a> |
| <span class="sourceLineNo">1204</span> }<a name="line.1204"></a> |
| <span class="sourceLineNo">1205</span> }<a name="line.1205"></a> |
| <span class="sourceLineNo">1206</span><a name="line.1206"></a> |
| <span class="sourceLineNo">1207</span> /**<a name="line.1207"></a> |
| <span class="sourceLineNo">1208</span> * Collects all returned.<a name="line.1208"></a> |
| <span class="sourceLineNo">1209</span> */<a name="line.1209"></a> |
| <span class="sourceLineNo">1210</span> static class CollectAllVisitor extends CollectingVisitor<Result> {<a name="line.1210"></a> |
| <span class="sourceLineNo">1211</span> @Override<a name="line.1211"></a> |
| <span class="sourceLineNo">1212</span> void add(Result r) {<a name="line.1212"></a> |
| <span class="sourceLineNo">1213</span> this.results.add(r);<a name="line.1213"></a> |
| <span class="sourceLineNo">1214</span> }<a name="line.1214"></a> |
| <span class="sourceLineNo">1215</span> }<a name="line.1215"></a> |
| <span class="sourceLineNo">1216</span><a name="line.1216"></a> |
| <span class="sourceLineNo">1217</span> /**<a name="line.1217"></a> |
| <span class="sourceLineNo">1218</span> * A Visitor that skips offline regions and split parents<a name="line.1218"></a> |
| <span class="sourceLineNo">1219</span> */<a name="line.1219"></a> |
| <span class="sourceLineNo">1220</span> public static abstract class DefaultVisitorBase implements Visitor {<a name="line.1220"></a> |
| <span class="sourceLineNo">1221</span><a name="line.1221"></a> |
| <span class="sourceLineNo">1222</span> DefaultVisitorBase() {<a name="line.1222"></a> |
| <span class="sourceLineNo">1223</span> super();<a name="line.1223"></a> |
| <span class="sourceLineNo">1224</span> }<a name="line.1224"></a> |
| <span class="sourceLineNo">1225</span><a name="line.1225"></a> |
| <span class="sourceLineNo">1226</span> public abstract boolean visitInternal(Result rowResult) throws IOException;<a name="line.1226"></a> |
| <span class="sourceLineNo">1227</span><a name="line.1227"></a> |
| <span class="sourceLineNo">1228</span> @Override<a name="line.1228"></a> |
| <span class="sourceLineNo">1229</span> public boolean visit(Result rowResult) throws IOException {<a name="line.1229"></a> |
| <span class="sourceLineNo">1230</span> RegionInfo info = getRegionInfo(rowResult);<a name="line.1230"></a> |
| <span class="sourceLineNo">1231</span> if (info == null) {<a name="line.1231"></a> |
| <span class="sourceLineNo">1232</span> return true;<a name="line.1232"></a> |
| <span class="sourceLineNo">1233</span> }<a name="line.1233"></a> |
| <span class="sourceLineNo">1234</span><a name="line.1234"></a> |
| <span class="sourceLineNo">1235</span> //skip over offline and split regions<a name="line.1235"></a> |
| <span class="sourceLineNo">1236</span> if (!(info.isOffline() || info.isSplit())) {<a name="line.1236"></a> |
| <span class="sourceLineNo">1237</span> return visitInternal(rowResult);<a name="line.1237"></a> |
| <span class="sourceLineNo">1238</span> }<a name="line.1238"></a> |
| <span class="sourceLineNo">1239</span> return true;<a name="line.1239"></a> |
| <span class="sourceLineNo">1240</span> }<a name="line.1240"></a> |
| <span class="sourceLineNo">1241</span> }<a name="line.1241"></a> |
| <span class="sourceLineNo">1242</span><a name="line.1242"></a> |
| <span class="sourceLineNo">1243</span> /**<a name="line.1243"></a> |
| <span class="sourceLineNo">1244</span> * Count regions in <code>hbase:meta</code> for passed table.<a name="line.1244"></a> |
| <span class="sourceLineNo">1245</span> * @param c Configuration object<a name="line.1245"></a> |
| <span class="sourceLineNo">1246</span> * @param tableName table name to count regions for<a name="line.1246"></a> |
| <span class="sourceLineNo">1247</span> * @return Count or regions in table <code>tableName</code><a name="line.1247"></a> |
| <span class="sourceLineNo">1248</span> */<a name="line.1248"></a> |
| <span class="sourceLineNo">1249</span> public static int getRegionCount(final Configuration c, final TableName tableName)<a name="line.1249"></a> |
| <span class="sourceLineNo">1250</span> throws IOException {<a name="line.1250"></a> |
| <span class="sourceLineNo">1251</span> try (Connection connection = ConnectionFactory.createConnection(c)) {<a name="line.1251"></a> |
| <span class="sourceLineNo">1252</span> return getRegionCount(connection, tableName);<a name="line.1252"></a> |
| <span class="sourceLineNo">1253</span> }<a name="line.1253"></a> |
| <span class="sourceLineNo">1254</span> }<a name="line.1254"></a> |
| <span class="sourceLineNo">1255</span><a name="line.1255"></a> |
| <span class="sourceLineNo">1256</span> /**<a name="line.1256"></a> |
| <span class="sourceLineNo">1257</span> * Count regions in <code>hbase:meta</code> for passed table.<a name="line.1257"></a> |
| <span class="sourceLineNo">1258</span> * @param connection Connection object<a name="line.1258"></a> |
| <span class="sourceLineNo">1259</span> * @param tableName table name to count regions for<a name="line.1259"></a> |
| <span class="sourceLineNo">1260</span> * @return Count or regions in table <code>tableName</code><a name="line.1260"></a> |
| <span class="sourceLineNo">1261</span> */<a name="line.1261"></a> |
| <span class="sourceLineNo">1262</span> public static int getRegionCount(final Connection connection, final TableName tableName)<a name="line.1262"></a> |
| <span class="sourceLineNo">1263</span> throws IOException {<a name="line.1263"></a> |
| <span class="sourceLineNo">1264</span> try (RegionLocator locator = connection.getRegionLocator(tableName)) {<a name="line.1264"></a> |
| <span class="sourceLineNo">1265</span> List<HRegionLocation> locations = locator.getAllRegionLocations();<a name="line.1265"></a> |
| <span class="sourceLineNo">1266</span> return locations == null ? 0 : locations.size();<a name="line.1266"></a> |
| <span class="sourceLineNo">1267</span> }<a name="line.1267"></a> |
| <span class="sourceLineNo">1268</span> }<a name="line.1268"></a> |
| <span class="sourceLineNo">1269</span><a name="line.1269"></a> |
| <span class="sourceLineNo">1270</span> ////////////////////////<a name="line.1270"></a> |
| <span class="sourceLineNo">1271</span> // Editing operations //<a name="line.1271"></a> |
| <span class="sourceLineNo">1272</span> ////////////////////////<a name="line.1272"></a> |
| <span class="sourceLineNo">1273</span> /**<a name="line.1273"></a> |
| <span class="sourceLineNo">1274</span> * Generates and returns a Put containing the region into for the catalog table<a name="line.1274"></a> |
| <span class="sourceLineNo">1275</span> */<a name="line.1275"></a> |
| <span class="sourceLineNo">1276</span> public static Put makePutFromRegionInfo(RegionInfo regionInfo, long ts) throws IOException {<a name="line.1276"></a> |
| <span class="sourceLineNo">1277</span> Put put = new Put(regionInfo.getRegionName(), ts);<a name="line.1277"></a> |
| <span class="sourceLineNo">1278</span> addRegionInfo(put, regionInfo);<a name="line.1278"></a> |
| <span class="sourceLineNo">1279</span> return put;<a name="line.1279"></a> |
| <span class="sourceLineNo">1280</span> }<a name="line.1280"></a> |
| <span class="sourceLineNo">1281</span><a name="line.1281"></a> |
| <span class="sourceLineNo">1282</span> /**<a name="line.1282"></a> |
| <span class="sourceLineNo">1283</span> * Generates and returns a Delete containing the region info for the catalog table<a name="line.1283"></a> |
| <span class="sourceLineNo">1284</span> */<a name="line.1284"></a> |
| <span class="sourceLineNo">1285</span> private static Delete makeDeleteFromRegionInfo(RegionInfo regionInfo, long ts) {<a name="line.1285"></a> |
| <span class="sourceLineNo">1286</span> if (regionInfo == null) {<a name="line.1286"></a> |
| <span class="sourceLineNo">1287</span> throw new IllegalArgumentException("Can't make a delete for null region");<a name="line.1287"></a> |
| <span class="sourceLineNo">1288</span> }<a name="line.1288"></a> |
| <span class="sourceLineNo">1289</span> Delete delete = new Delete(regionInfo.getRegionName());<a name="line.1289"></a> |
| <span class="sourceLineNo">1290</span> delete.addFamily(getCatalogFamily(), ts);<a name="line.1290"></a> |
| <span class="sourceLineNo">1291</span> return delete;<a name="line.1291"></a> |
| <span class="sourceLineNo">1292</span> }<a name="line.1292"></a> |
| <span class="sourceLineNo">1293</span><a name="line.1293"></a> |
| <span class="sourceLineNo">1294</span> /**<a name="line.1294"></a> |
| <span class="sourceLineNo">1295</span> * Adds split daughters to the Put<a name="line.1295"></a> |
| <span class="sourceLineNo">1296</span> */<a name="line.1296"></a> |
| <span class="sourceLineNo">1297</span> private static Put addDaughtersToPut(Put put, RegionInfo splitA, RegionInfo splitB)<a name="line.1297"></a> |
| <span class="sourceLineNo">1298</span> throws IOException {<a name="line.1298"></a> |
| <span class="sourceLineNo">1299</span> if (splitA != null) {<a name="line.1299"></a> |
| <span class="sourceLineNo">1300</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1300"></a> |
| <span class="sourceLineNo">1301</span> .setRow(put.getRow())<a name="line.1301"></a> |
| <span class="sourceLineNo">1302</span> .setFamily(HConstants.CATALOG_FAMILY)<a name="line.1302"></a> |
| <span class="sourceLineNo">1303</span> .setQualifier(HConstants.SPLITA_QUALIFIER)<a name="line.1303"></a> |
| <span class="sourceLineNo">1304</span> .setTimestamp(put.getTimestamp())<a name="line.1304"></a> |
| <span class="sourceLineNo">1305</span> .setType(Type.Put)<a name="line.1305"></a> |
| <span class="sourceLineNo">1306</span> .setValue(RegionInfo.toByteArray(splitA))<a name="line.1306"></a> |
| <span class="sourceLineNo">1307</span> .build());<a name="line.1307"></a> |
| <span class="sourceLineNo">1308</span> }<a name="line.1308"></a> |
| <span class="sourceLineNo">1309</span> if (splitB != null) {<a name="line.1309"></a> |
| <span class="sourceLineNo">1310</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1310"></a> |
| <span class="sourceLineNo">1311</span> .setRow(put.getRow())<a name="line.1311"></a> |
| <span class="sourceLineNo">1312</span> .setFamily(HConstants.CATALOG_FAMILY)<a name="line.1312"></a> |
| <span class="sourceLineNo">1313</span> .setQualifier(HConstants.SPLITB_QUALIFIER)<a name="line.1313"></a> |
| <span class="sourceLineNo">1314</span> .setTimestamp(put.getTimestamp())<a name="line.1314"></a> |
| <span class="sourceLineNo">1315</span> .setType(Type.Put)<a name="line.1315"></a> |
| <span class="sourceLineNo">1316</span> .setValue(RegionInfo.toByteArray(splitB))<a name="line.1316"></a> |
| <span class="sourceLineNo">1317</span> .build());<a name="line.1317"></a> |
| <span class="sourceLineNo">1318</span> }<a name="line.1318"></a> |
| <span class="sourceLineNo">1319</span> return put;<a name="line.1319"></a> |
| <span class="sourceLineNo">1320</span> }<a name="line.1320"></a> |
| <span class="sourceLineNo">1321</span><a name="line.1321"></a> |
| <span class="sourceLineNo">1322</span> /**<a name="line.1322"></a> |
| <span class="sourceLineNo">1323</span> * Put the passed <code>p</code> to the <code>hbase:meta</code> table.<a name="line.1323"></a> |
| <span class="sourceLineNo">1324</span> * @param connection connection we're using<a name="line.1324"></a> |
| <span class="sourceLineNo">1325</span> * @param p Put to add to hbase:meta<a name="line.1325"></a> |
| <span class="sourceLineNo">1326</span> */<a name="line.1326"></a> |
| <span class="sourceLineNo">1327</span> private static void putToMetaTable(Connection connection, Put p) throws IOException {<a name="line.1327"></a> |
| <span class="sourceLineNo">1328</span> try (Table table = getMetaHTable(connection)) {<a name="line.1328"></a> |
| <span class="sourceLineNo">1329</span> put(table, p);<a name="line.1329"></a> |
| <span class="sourceLineNo">1330</span> }<a name="line.1330"></a> |
| <span class="sourceLineNo">1331</span> }<a name="line.1331"></a> |
| <span class="sourceLineNo">1332</span><a name="line.1332"></a> |
| <span class="sourceLineNo">1333</span> /**<a name="line.1333"></a> |
| <span class="sourceLineNo">1334</span> * @param t Table to use<a name="line.1334"></a> |
| <span class="sourceLineNo">1335</span> * @param p put to make<a name="line.1335"></a> |
| <span class="sourceLineNo">1336</span> */<a name="line.1336"></a> |
| <span class="sourceLineNo">1337</span> private static void put(Table t, Put p) throws IOException {<a name="line.1337"></a> |
| <span class="sourceLineNo">1338</span> debugLogMutation(p);<a name="line.1338"></a> |
| <span class="sourceLineNo">1339</span> t.put(p);<a name="line.1339"></a> |
| <span class="sourceLineNo">1340</span> }<a name="line.1340"></a> |
| <span class="sourceLineNo">1341</span><a name="line.1341"></a> |
| <span class="sourceLineNo">1342</span> /**<a name="line.1342"></a> |
| <span class="sourceLineNo">1343</span> * Put the passed <code>ps</code> to the <code>hbase:meta</code> table.<a name="line.1343"></a> |
| <span class="sourceLineNo">1344</span> * @param connection connection we're using<a name="line.1344"></a> |
| <span class="sourceLineNo">1345</span> * @param ps Put to add to hbase:meta<a name="line.1345"></a> |
| <span class="sourceLineNo">1346</span> */<a name="line.1346"></a> |
| <span class="sourceLineNo">1347</span> public static void putsToMetaTable(final Connection connection, final List<Put> ps)<a name="line.1347"></a> |
| <span class="sourceLineNo">1348</span> throws IOException {<a name="line.1348"></a> |
| <span class="sourceLineNo">1349</span> if (ps.isEmpty()) {<a name="line.1349"></a> |
| <span class="sourceLineNo">1350</span> return;<a name="line.1350"></a> |
| <span class="sourceLineNo">1351</span> }<a name="line.1351"></a> |
| <span class="sourceLineNo">1352</span> try (Table t = getMetaHTable(connection)) {<a name="line.1352"></a> |
| <span class="sourceLineNo">1353</span> debugLogMutations(ps);<a name="line.1353"></a> |
| <span class="sourceLineNo">1354</span> // the implementation for putting a single Put is much simpler so here we do a check first.<a name="line.1354"></a> |
| <span class="sourceLineNo">1355</span> if (ps.size() == 1) {<a name="line.1355"></a> |
| <span class="sourceLineNo">1356</span> t.put(ps.get(0));<a name="line.1356"></a> |
| <span class="sourceLineNo">1357</span> } else {<a name="line.1357"></a> |
| <span class="sourceLineNo">1358</span> t.put(ps);<a name="line.1358"></a> |
| <span class="sourceLineNo">1359</span> }<a name="line.1359"></a> |
| <span class="sourceLineNo">1360</span> }<a name="line.1360"></a> |
| <span class="sourceLineNo">1361</span> }<a name="line.1361"></a> |
| <span class="sourceLineNo">1362</span><a name="line.1362"></a> |
| <span class="sourceLineNo">1363</span> /**<a name="line.1363"></a> |
| <span class="sourceLineNo">1364</span> * Delete the passed <code>d</code> from the <code>hbase:meta</code> table.<a name="line.1364"></a> |
| <span class="sourceLineNo">1365</span> * @param connection connection we're using<a name="line.1365"></a> |
| <span class="sourceLineNo">1366</span> * @param d Delete to add to hbase:meta<a name="line.1366"></a> |
| <span class="sourceLineNo">1367</span> */<a name="line.1367"></a> |
| <span class="sourceLineNo">1368</span> private static void deleteFromMetaTable(final Connection connection, final Delete d)<a name="line.1368"></a> |
| <span class="sourceLineNo">1369</span> throws IOException {<a name="line.1369"></a> |
| <span class="sourceLineNo">1370</span> List<Delete> dels = new ArrayList<>(1);<a name="line.1370"></a> |
| <span class="sourceLineNo">1371</span> dels.add(d);<a name="line.1371"></a> |
| <span class="sourceLineNo">1372</span> deleteFromMetaTable(connection, dels);<a name="line.1372"></a> |
| <span class="sourceLineNo">1373</span> }<a name="line.1373"></a> |
| <span class="sourceLineNo">1374</span><a name="line.1374"></a> |
| <span class="sourceLineNo">1375</span> /**<a name="line.1375"></a> |
| <span class="sourceLineNo">1376</span> * Delete the passed <code>deletes</code> from the <code>hbase:meta</code> table.<a name="line.1376"></a> |
| <span class="sourceLineNo">1377</span> * @param connection connection we're using<a name="line.1377"></a> |
| <span class="sourceLineNo">1378</span> * @param deletes Deletes to add to hbase:meta This list should support #remove.<a name="line.1378"></a> |
| <span class="sourceLineNo">1379</span> */<a name="line.1379"></a> |
| <span class="sourceLineNo">1380</span> private static void deleteFromMetaTable(final Connection connection, final List<Delete> deletes)<a name="line.1380"></a> |
| <span class="sourceLineNo">1381</span> throws IOException {<a name="line.1381"></a> |
| <span class="sourceLineNo">1382</span> try (Table t = getMetaHTable(connection)) {<a name="line.1382"></a> |
| <span class="sourceLineNo">1383</span> debugLogMutations(deletes);<a name="line.1383"></a> |
| <span class="sourceLineNo">1384</span> t.delete(deletes);<a name="line.1384"></a> |
| <span class="sourceLineNo">1385</span> }<a name="line.1385"></a> |
| <span class="sourceLineNo">1386</span> }<a name="line.1386"></a> |
| <span class="sourceLineNo">1387</span><a name="line.1387"></a> |
| <span class="sourceLineNo">1388</span> /**<a name="line.1388"></a> |
| <span class="sourceLineNo">1389</span> * Deletes some replica columns corresponding to replicas for the passed rows<a name="line.1389"></a> |
| <span class="sourceLineNo">1390</span> * @param metaRows rows in hbase:meta<a name="line.1390"></a> |
| <span class="sourceLineNo">1391</span> * @param replicaIndexToDeleteFrom the replica ID we would start deleting from<a name="line.1391"></a> |
| <span class="sourceLineNo">1392</span> * @param numReplicasToRemove how many replicas to remove<a name="line.1392"></a> |
| <span class="sourceLineNo">1393</span> * @param connection connection we're using to access meta table<a name="line.1393"></a> |
| <span class="sourceLineNo">1394</span> */<a name="line.1394"></a> |
| <span class="sourceLineNo">1395</span> public static void removeRegionReplicasFromMeta(Set<byte[]> metaRows,<a name="line.1395"></a> |
| <span class="sourceLineNo">1396</span> int replicaIndexToDeleteFrom, int numReplicasToRemove, Connection connection)<a name="line.1396"></a> |
| <span class="sourceLineNo">1397</span> throws IOException {<a name="line.1397"></a> |
| <span class="sourceLineNo">1398</span> int absoluteIndex = replicaIndexToDeleteFrom + numReplicasToRemove;<a name="line.1398"></a> |
| <span class="sourceLineNo">1399</span> for (byte[] row : metaRows) {<a name="line.1399"></a> |
| <span class="sourceLineNo">1400</span> long now = EnvironmentEdgeManager.currentTime();<a name="line.1400"></a> |
| <span class="sourceLineNo">1401</span> Delete deleteReplicaLocations = new Delete(row);<a name="line.1401"></a> |
| <span class="sourceLineNo">1402</span> for (int i = replicaIndexToDeleteFrom; i < absoluteIndex; i++) {<a name="line.1402"></a> |
| <span class="sourceLineNo">1403</span> deleteReplicaLocations.addColumns(getCatalogFamily(),<a name="line.1403"></a> |
| <span class="sourceLineNo">1404</span> getServerColumn(i), now);<a name="line.1404"></a> |
| <span class="sourceLineNo">1405</span> deleteReplicaLocations.addColumns(getCatalogFamily(),<a name="line.1405"></a> |
| <span class="sourceLineNo">1406</span> getSeqNumColumn(i), now);<a name="line.1406"></a> |
| <span class="sourceLineNo">1407</span> deleteReplicaLocations.addColumns(getCatalogFamily(),<a name="line.1407"></a> |
| <span class="sourceLineNo">1408</span> getStartCodeColumn(i), now);<a name="line.1408"></a> |
| <span class="sourceLineNo">1409</span> deleteReplicaLocations.addColumns(getCatalogFamily(), getServerNameColumn(i), now);<a name="line.1409"></a> |
| <span class="sourceLineNo">1410</span> deleteReplicaLocations.addColumns(getCatalogFamily(), getRegionStateColumn(i), now);<a name="line.1410"></a> |
| <span class="sourceLineNo">1411</span> }<a name="line.1411"></a> |
| <span class="sourceLineNo">1412</span><a name="line.1412"></a> |
| <span class="sourceLineNo">1413</span> deleteFromMetaTable(connection, deleteReplicaLocations);<a name="line.1413"></a> |
| <span class="sourceLineNo">1414</span> }<a name="line.1414"></a> |
| <span class="sourceLineNo">1415</span> }<a name="line.1415"></a> |
| <span class="sourceLineNo">1416</span><a name="line.1416"></a> |
| <span class="sourceLineNo">1417</span> private static void addRegionStateToPut(Put put, RegionState.State state) throws IOException {<a name="line.1417"></a> |
| <span class="sourceLineNo">1418</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1418"></a> |
| <span class="sourceLineNo">1419</span> .setRow(put.getRow())<a name="line.1419"></a> |
| <span class="sourceLineNo">1420</span> .setFamily(HConstants.CATALOG_FAMILY)<a name="line.1420"></a> |
| <span class="sourceLineNo">1421</span> .setQualifier(getRegionStateColumn())<a name="line.1421"></a> |
| <span class="sourceLineNo">1422</span> .setTimestamp(put.getTimestamp())<a name="line.1422"></a> |
| <span class="sourceLineNo">1423</span> .setType(Cell.Type.Put)<a name="line.1423"></a> |
| <span class="sourceLineNo">1424</span> .setValue(Bytes.toBytes(state.name()))<a name="line.1424"></a> |
| <span class="sourceLineNo">1425</span> .build());<a name="line.1425"></a> |
| <span class="sourceLineNo">1426</span> }<a name="line.1426"></a> |
| <span class="sourceLineNo">1427</span><a name="line.1427"></a> |
| <span class="sourceLineNo">1428</span> /**<a name="line.1428"></a> |
| <span class="sourceLineNo">1429</span> * Adds daughter region infos to hbase:meta row for the specified region. Note that this does not<a name="line.1429"></a> |
| <span class="sourceLineNo">1430</span> * add its daughter's as different rows, but adds information about the daughters in the same row<a name="line.1430"></a> |
| <span class="sourceLineNo">1431</span> * as the parent. Use<a name="line.1431"></a> |
| <span class="sourceLineNo">1432</span> * {@link #splitRegion(Connection, RegionInfo, long, RegionInfo, RegionInfo, ServerName, int)}<a name="line.1432"></a> |
| <span class="sourceLineNo">1433</span> * if you want to do that.<a name="line.1433"></a> |
| <span class="sourceLineNo">1434</span> * @param connection connection we're using<a name="line.1434"></a> |
| <span class="sourceLineNo">1435</span> * @param regionInfo RegionInfo of parent region<a name="line.1435"></a> |
| <span class="sourceLineNo">1436</span> * @param splitA first split daughter of the parent regionInfo<a name="line.1436"></a> |
| <span class="sourceLineNo">1437</span> * @param splitB second split daughter of the parent regionInfo<a name="line.1437"></a> |
| <span class="sourceLineNo">1438</span> * @throws IOException if problem connecting or updating meta<a name="line.1438"></a> |
| <span class="sourceLineNo">1439</span> */<a name="line.1439"></a> |
| <span class="sourceLineNo">1440</span> public static void addSplitsToParent(Connection connection, RegionInfo regionInfo,<a name="line.1440"></a> |
| <span class="sourceLineNo">1441</span> RegionInfo splitA, RegionInfo splitB) throws IOException {<a name="line.1441"></a> |
| <span class="sourceLineNo">1442</span> try (Table meta = getMetaHTable(connection)) {<a name="line.1442"></a> |
| <span class="sourceLineNo">1443</span> Put put = makePutFromRegionInfo(regionInfo, EnvironmentEdgeManager.currentTime());<a name="line.1443"></a> |
| <span class="sourceLineNo">1444</span> addDaughtersToPut(put, splitA, splitB);<a name="line.1444"></a> |
| <span class="sourceLineNo">1445</span> meta.put(put);<a name="line.1445"></a> |
| <span class="sourceLineNo">1446</span> debugLogMutation(put);<a name="line.1446"></a> |
| <span class="sourceLineNo">1447</span> LOG.debug("Added region {}", regionInfo.getRegionNameAsString());<a name="line.1447"></a> |
| <span class="sourceLineNo">1448</span> }<a name="line.1448"></a> |
| <span class="sourceLineNo">1449</span> }<a name="line.1449"></a> |
| <span class="sourceLineNo">1450</span><a name="line.1450"></a> |
| <span class="sourceLineNo">1451</span> /**<a name="line.1451"></a> |
| <span class="sourceLineNo">1452</span> * Adds a (single) hbase:meta row for the specified new region and its daughters. Note that this<a name="line.1452"></a> |
| <span class="sourceLineNo">1453</span> * does not add its daughter's as different rows, but adds information about the daughters<a name="line.1453"></a> |
| <span class="sourceLineNo">1454</span> * in the same row as the parent. Use<a name="line.1454"></a> |
| <span class="sourceLineNo">1455</span> * {@link #splitRegion(Connection, RegionInfo, long, RegionInfo, RegionInfo, ServerName, int)}<a name="line.1455"></a> |
| <span class="sourceLineNo">1456</span> * if you want to do that.<a name="line.1456"></a> |
| <span class="sourceLineNo">1457</span> * @param connection connection we're using<a name="line.1457"></a> |
| <span class="sourceLineNo">1458</span> * @param regionInfo region information<a name="line.1458"></a> |
| <span class="sourceLineNo">1459</span> * @throws IOException if problem connecting or updating meta<a name="line.1459"></a> |
| <span class="sourceLineNo">1460</span> */<a name="line.1460"></a> |
| <span class="sourceLineNo">1461</span> @VisibleForTesting<a name="line.1461"></a> |
| <span class="sourceLineNo">1462</span> public static void addRegionToMeta(Connection connection, RegionInfo regionInfo)<a name="line.1462"></a> |
| <span class="sourceLineNo">1463</span> throws IOException {<a name="line.1463"></a> |
| <span class="sourceLineNo">1464</span> addRegionsToMeta(connection, Collections.singletonList(regionInfo), 1);<a name="line.1464"></a> |
| <span class="sourceLineNo">1465</span> }<a name="line.1465"></a> |
| <span class="sourceLineNo">1466</span><a name="line.1466"></a> |
| <span class="sourceLineNo">1467</span> /**<a name="line.1467"></a> |
| <span class="sourceLineNo">1468</span> * Adds a hbase:meta row for each of the specified new regions. Initial state for new regions<a name="line.1468"></a> |
| <span class="sourceLineNo">1469</span> * is CLOSED.<a name="line.1469"></a> |
| <span class="sourceLineNo">1470</span> * @param connection connection we're using<a name="line.1470"></a> |
| <span class="sourceLineNo">1471</span> * @param regionInfos region information list<a name="line.1471"></a> |
| <span class="sourceLineNo">1472</span> * @throws IOException if problem connecting or updating meta<a name="line.1472"></a> |
| <span class="sourceLineNo">1473</span> */<a name="line.1473"></a> |
| <span class="sourceLineNo">1474</span> public static void addRegionsToMeta(Connection connection, List<RegionInfo> regionInfos,<a name="line.1474"></a> |
| <span class="sourceLineNo">1475</span> int regionReplication) throws IOException {<a name="line.1475"></a> |
| <span class="sourceLineNo">1476</span> addRegionsToMeta(connection, regionInfos, regionReplication,<a name="line.1476"></a> |
| <span class="sourceLineNo">1477</span> EnvironmentEdgeManager.currentTime());<a name="line.1477"></a> |
| <span class="sourceLineNo">1478</span> }<a name="line.1478"></a> |
| <span class="sourceLineNo">1479</span><a name="line.1479"></a> |
| <span class="sourceLineNo">1480</span> /**<a name="line.1480"></a> |
| <span class="sourceLineNo">1481</span> * Adds a hbase:meta row for each of the specified new regions. Initial state for new regions<a name="line.1481"></a> |
| <span class="sourceLineNo">1482</span> * is CLOSED.<a name="line.1482"></a> |
| <span class="sourceLineNo">1483</span> * @param connection connection we're using<a name="line.1483"></a> |
| <span class="sourceLineNo">1484</span> * @param regionInfos region information list<a name="line.1484"></a> |
| <span class="sourceLineNo">1485</span> * @param ts desired timestamp<a name="line.1485"></a> |
| <span class="sourceLineNo">1486</span> * @throws IOException if problem connecting or updating meta<a name="line.1486"></a> |
| <span class="sourceLineNo">1487</span> */<a name="line.1487"></a> |
| <span class="sourceLineNo">1488</span> private static void addRegionsToMeta(Connection connection, List<RegionInfo> regionInfos,<a name="line.1488"></a> |
| <span class="sourceLineNo">1489</span> int regionReplication, long ts) throws IOException {<a name="line.1489"></a> |
| <span class="sourceLineNo">1490</span> List<Put> puts = new ArrayList<>();<a name="line.1490"></a> |
| <span class="sourceLineNo">1491</span> for (RegionInfo regionInfo : regionInfos) {<a name="line.1491"></a> |
| <span class="sourceLineNo">1492</span> if (RegionReplicaUtil.isDefaultReplica(regionInfo)) {<a name="line.1492"></a> |
| <span class="sourceLineNo">1493</span> Put put = makePutFromRegionInfo(regionInfo, ts);<a name="line.1493"></a> |
| <span class="sourceLineNo">1494</span> // New regions are added with initial state of CLOSED.<a name="line.1494"></a> |
| <span class="sourceLineNo">1495</span> addRegionStateToPut(put, RegionState.State.CLOSED);<a name="line.1495"></a> |
| <span class="sourceLineNo">1496</span> // Add empty locations for region replicas so that number of replicas can be cached<a name="line.1496"></a> |
| <span class="sourceLineNo">1497</span> // whenever the primary region is looked up from meta<a name="line.1497"></a> |
| <span class="sourceLineNo">1498</span> for (int i = 1; i < regionReplication; i++) {<a name="line.1498"></a> |
| <span class="sourceLineNo">1499</span> addEmptyLocation(put, i);<a name="line.1499"></a> |
| <span class="sourceLineNo">1500</span> }<a name="line.1500"></a> |
| <span class="sourceLineNo">1501</span> puts.add(put);<a name="line.1501"></a> |
| <span class="sourceLineNo">1502</span> }<a name="line.1502"></a> |
| <span class="sourceLineNo">1503</span> }<a name="line.1503"></a> |
| <span class="sourceLineNo">1504</span> putsToMetaTable(connection, puts);<a name="line.1504"></a> |
| <span class="sourceLineNo">1505</span> LOG.info("Added {} regions to meta.", puts.size());<a name="line.1505"></a> |
| <span class="sourceLineNo">1506</span> }<a name="line.1506"></a> |
| <span class="sourceLineNo">1507</span><a name="line.1507"></a> |
| <span class="sourceLineNo">1508</span> static Put addMergeRegions(Put put, Collection<RegionInfo> mergeRegions) throws IOException {<a name="line.1508"></a> |
| <span class="sourceLineNo">1509</span> int limit = 10000; // Arbitrary limit. No room in our formatted 'task0000' below for more.<a name="line.1509"></a> |
| <span class="sourceLineNo">1510</span> int max = mergeRegions.size();<a name="line.1510"></a> |
| <span class="sourceLineNo">1511</span> if (max > limit) {<a name="line.1511"></a> |
| <span class="sourceLineNo">1512</span> // Should never happen!!!!! But just in case.<a name="line.1512"></a> |
| <span class="sourceLineNo">1513</span> throw new RuntimeException("Can't merge " + max + " regions in one go; " + limit +<a name="line.1513"></a> |
| <span class="sourceLineNo">1514</span> " is upper-limit.");<a name="line.1514"></a> |
| <span class="sourceLineNo">1515</span> }<a name="line.1515"></a> |
| <span class="sourceLineNo">1516</span> int counter = 0;<a name="line.1516"></a> |
| <span class="sourceLineNo">1517</span> for (RegionInfo ri: mergeRegions) {<a name="line.1517"></a> |
| <span class="sourceLineNo">1518</span> String qualifier = String.format(HConstants.MERGE_QUALIFIER_PREFIX_STR + "%04d", counter++);<a name="line.1518"></a> |
| <span class="sourceLineNo">1519</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY).<a name="line.1519"></a> |
| <span class="sourceLineNo">1520</span> setRow(put.getRow()).<a name="line.1520"></a> |
| <span class="sourceLineNo">1521</span> setFamily(HConstants.CATALOG_FAMILY).<a name="line.1521"></a> |
| <span class="sourceLineNo">1522</span> setQualifier(Bytes.toBytes(qualifier)).<a name="line.1522"></a> |
| <span class="sourceLineNo">1523</span> setTimestamp(put.getTimestamp()).<a name="line.1523"></a> |
| <span class="sourceLineNo">1524</span> setType(Type.Put).<a name="line.1524"></a> |
| <span class="sourceLineNo">1525</span> setValue(RegionInfo.toByteArray(ri)).<a name="line.1525"></a> |
| <span class="sourceLineNo">1526</span> build());<a name="line.1526"></a> |
| <span class="sourceLineNo">1527</span> }<a name="line.1527"></a> |
| <span class="sourceLineNo">1528</span> return put;<a name="line.1528"></a> |
| <span class="sourceLineNo">1529</span> }<a name="line.1529"></a> |
| <span class="sourceLineNo">1530</span><a name="line.1530"></a> |
| <span class="sourceLineNo">1531</span> /**<a name="line.1531"></a> |
| <span class="sourceLineNo">1532</span> * Merge regions into one in an atomic operation. Deletes the merging regions in<a name="line.1532"></a> |
| <span class="sourceLineNo">1533</span> * hbase:meta and adds the merged region.<a name="line.1533"></a> |
| <span class="sourceLineNo">1534</span> * @param connection connection we're using<a name="line.1534"></a> |
| <span class="sourceLineNo">1535</span> * @param mergedRegion the merged region<a name="line.1535"></a> |
| <span class="sourceLineNo">1536</span> * @param parentSeqNum Parent regions to merge and their next open sequence id used<a name="line.1536"></a> |
| <span class="sourceLineNo">1537</span> * by serial replication. Set to -1 if not needed by this table.<a name="line.1537"></a> |
| <span class="sourceLineNo">1538</span> * @param sn the location of the region<a name="line.1538"></a> |
| <span class="sourceLineNo">1539</span> */<a name="line.1539"></a> |
| <span class="sourceLineNo">1540</span> public static void mergeRegions(Connection connection, RegionInfo mergedRegion,<a name="line.1540"></a> |
| <span class="sourceLineNo">1541</span> Map<RegionInfo, Long> parentSeqNum, ServerName sn, int regionReplication)<a name="line.1541"></a> |
| <span class="sourceLineNo">1542</span> throws IOException {<a name="line.1542"></a> |
| <span class="sourceLineNo">1543</span> try (Table meta = getMetaHTable(connection)) {<a name="line.1543"></a> |
| <span class="sourceLineNo">1544</span> long time = HConstants.LATEST_TIMESTAMP;<a name="line.1544"></a> |
| <span class="sourceLineNo">1545</span> List<Mutation> mutations = new ArrayList<>();<a name="line.1545"></a> |
| <span class="sourceLineNo">1546</span> List<RegionInfo> replicationParents = new ArrayList<>();<a name="line.1546"></a> |
| <span class="sourceLineNo">1547</span> for (Map.Entry<RegionInfo, Long> e: parentSeqNum.entrySet()) {<a name="line.1547"></a> |
| <span class="sourceLineNo">1548</span> RegionInfo ri = e.getKey();<a name="line.1548"></a> |
| <span class="sourceLineNo">1549</span> long seqNum = e.getValue();<a name="line.1549"></a> |
| <span class="sourceLineNo">1550</span> // Deletes for merging regions<a name="line.1550"></a> |
| <span class="sourceLineNo">1551</span> mutations.add(makeDeleteFromRegionInfo(ri, time));<a name="line.1551"></a> |
| <span class="sourceLineNo">1552</span> if (seqNum > 0) {<a name="line.1552"></a> |
| <span class="sourceLineNo">1553</span> mutations.add(makePutForReplicationBarrier(ri, seqNum, time));<a name="line.1553"></a> |
| <span class="sourceLineNo">1554</span> replicationParents.add(ri);<a name="line.1554"></a> |
| <span class="sourceLineNo">1555</span> }<a name="line.1555"></a> |
| <span class="sourceLineNo">1556</span> }<a name="line.1556"></a> |
| <span class="sourceLineNo">1557</span> // Put for parent<a name="line.1557"></a> |
| <span class="sourceLineNo">1558</span> Put putOfMerged = makePutFromRegionInfo(mergedRegion, time);<a name="line.1558"></a> |
| <span class="sourceLineNo">1559</span> putOfMerged = addMergeRegions(putOfMerged, parentSeqNum.keySet());<a name="line.1559"></a> |
| <span class="sourceLineNo">1560</span> // Set initial state to CLOSED.<a name="line.1560"></a> |
| <span class="sourceLineNo">1561</span> // NOTE: If initial state is not set to CLOSED then merged region gets added with the<a name="line.1561"></a> |
| <span class="sourceLineNo">1562</span> // default OFFLINE state. If Master gets restarted after this step, start up sequence of<a name="line.1562"></a> |
| <span class="sourceLineNo">1563</span> // master tries to assign this offline region. This is followed by re-assignments of the<a name="line.1563"></a> |
| <span class="sourceLineNo">1564</span> // merged region from resumed {@link MergeTableRegionsProcedure}<a name="line.1564"></a> |
| <span class="sourceLineNo">1565</span> addRegionStateToPut(putOfMerged, RegionState.State.CLOSED);<a name="line.1565"></a> |
| <span class="sourceLineNo">1566</span> mutations.add(putOfMerged);<a name="line.1566"></a> |
| <span class="sourceLineNo">1567</span> // The merged is a new region, openSeqNum = 1 is fine. ServerName may be null<a name="line.1567"></a> |
| <span class="sourceLineNo">1568</span> // if crash after merge happened but before we got to here.. means in-memory<a name="line.1568"></a> |
| <span class="sourceLineNo">1569</span> // locations of offlined merged, now-closed, regions is lost. Should be ok. We<a name="line.1569"></a> |
| <span class="sourceLineNo">1570</span> // assign the merged region later.<a name="line.1570"></a> |
| <span class="sourceLineNo">1571</span> if (sn != null) {<a name="line.1571"></a> |
| <span class="sourceLineNo">1572</span> addLocation(putOfMerged, sn, 1, mergedRegion.getReplicaId());<a name="line.1572"></a> |
| <span class="sourceLineNo">1573</span> }<a name="line.1573"></a> |
| <span class="sourceLineNo">1574</span><a name="line.1574"></a> |
| <span class="sourceLineNo">1575</span> // Add empty locations for region replicas of the merged region so that number of replicas<a name="line.1575"></a> |
| <span class="sourceLineNo">1576</span> // can be cached whenever the primary region is looked up from meta<a name="line.1576"></a> |
| <span class="sourceLineNo">1577</span> for (int i = 1; i < regionReplication; i++) {<a name="line.1577"></a> |
| <span class="sourceLineNo">1578</span> addEmptyLocation(putOfMerged, i);<a name="line.1578"></a> |
| <span class="sourceLineNo">1579</span> }<a name="line.1579"></a> |
| <span class="sourceLineNo">1580</span> // add parent reference for serial replication<a name="line.1580"></a> |
| <span class="sourceLineNo">1581</span> if (!replicationParents.isEmpty()) {<a name="line.1581"></a> |
| <span class="sourceLineNo">1582</span> addReplicationParent(putOfMerged, replicationParents);<a name="line.1582"></a> |
| <span class="sourceLineNo">1583</span> }<a name="line.1583"></a> |
| <span class="sourceLineNo">1584</span> byte[] tableRow = Bytes.toBytes(mergedRegion.getRegionNameAsString() + HConstants.DELIMITER);<a name="line.1584"></a> |
| <span class="sourceLineNo">1585</span> multiMutate(meta, tableRow, mutations);<a name="line.1585"></a> |
| <span class="sourceLineNo">1586</span> }<a name="line.1586"></a> |
| <span class="sourceLineNo">1587</span> }<a name="line.1587"></a> |
| <span class="sourceLineNo">1588</span><a name="line.1588"></a> |
| <span class="sourceLineNo">1589</span> /**<a name="line.1589"></a> |
| <span class="sourceLineNo">1590</span> * Splits the region into two in an atomic operation. Offlines the parent region with the<a name="line.1590"></a> |
| <span class="sourceLineNo">1591</span> * information that it is split into two, and also adds the daughter regions. Does not add the<a name="line.1591"></a> |
| <span class="sourceLineNo">1592</span> * location information to the daughter regions since they are not open yet.<a name="line.1592"></a> |
| <span class="sourceLineNo">1593</span> * @param connection connection we're using<a name="line.1593"></a> |
| <span class="sourceLineNo">1594</span> * @param parent the parent region which is split<a name="line.1594"></a> |
| <span class="sourceLineNo">1595</span> * @param parentOpenSeqNum the next open sequence id for parent region, used by serial<a name="line.1595"></a> |
| <span class="sourceLineNo">1596</span> * replication. -1 if not necessary.<a name="line.1596"></a> |
| <span class="sourceLineNo">1597</span> * @param splitA Split daughter region A<a name="line.1597"></a> |
| <span class="sourceLineNo">1598</span> * @param splitB Split daughter region B<a name="line.1598"></a> |
| <span class="sourceLineNo">1599</span> * @param sn the location of the region<a name="line.1599"></a> |
| <span class="sourceLineNo">1600</span> */<a name="line.1600"></a> |
| <span class="sourceLineNo">1601</span> public static void splitRegion(Connection connection, RegionInfo parent, long parentOpenSeqNum,<a name="line.1601"></a> |
| <span class="sourceLineNo">1602</span> RegionInfo splitA, RegionInfo splitB, ServerName sn, int regionReplication)<a name="line.1602"></a> |
| <span class="sourceLineNo">1603</span> throws IOException {<a name="line.1603"></a> |
| <span class="sourceLineNo">1604</span> try (Table meta = getMetaHTable(connection)) {<a name="line.1604"></a> |
| <span class="sourceLineNo">1605</span> long time = EnvironmentEdgeManager.currentTime();<a name="line.1605"></a> |
| <span class="sourceLineNo">1606</span> // Put for parent<a name="line.1606"></a> |
| <span class="sourceLineNo">1607</span> Put putParent = makePutFromRegionInfo(RegionInfoBuilder.newBuilder(parent)<a name="line.1607"></a> |
| <span class="sourceLineNo">1608</span> .setOffline(true)<a name="line.1608"></a> |
| <span class="sourceLineNo">1609</span> .setSplit(true).build(), time);<a name="line.1609"></a> |
| <span class="sourceLineNo">1610</span> addDaughtersToPut(putParent, splitA, splitB);<a name="line.1610"></a> |
| <span class="sourceLineNo">1611</span><a name="line.1611"></a> |
| <span class="sourceLineNo">1612</span> // Puts for daughters<a name="line.1612"></a> |
| <span class="sourceLineNo">1613</span> Put putA = makePutFromRegionInfo(splitA, time);<a name="line.1613"></a> |
| <span class="sourceLineNo">1614</span> Put putB = makePutFromRegionInfo(splitB, time);<a name="line.1614"></a> |
| <span class="sourceLineNo">1615</span> if (parentOpenSeqNum > 0) {<a name="line.1615"></a> |
| <span class="sourceLineNo">1616</span> addReplicationBarrier(putParent, parentOpenSeqNum);<a name="line.1616"></a> |
| <span class="sourceLineNo">1617</span> addReplicationParent(putA, Collections.singletonList(parent));<a name="line.1617"></a> |
| <span class="sourceLineNo">1618</span> addReplicationParent(putB, Collections.singletonList(parent));<a name="line.1618"></a> |
| <span class="sourceLineNo">1619</span> }<a name="line.1619"></a> |
| <span class="sourceLineNo">1620</span> // Set initial state to CLOSED<a name="line.1620"></a> |
| <span class="sourceLineNo">1621</span> // NOTE: If initial state is not set to CLOSED then daughter regions get added with the<a name="line.1621"></a> |
| <span class="sourceLineNo">1622</span> // default OFFLINE state. If Master gets restarted after this step, start up sequence of<a name="line.1622"></a> |
| <span class="sourceLineNo">1623</span> // master tries to assign these offline regions. This is followed by re-assignments of the<a name="line.1623"></a> |
| <span class="sourceLineNo">1624</span> // daughter regions from resumed {@link SplitTableRegionProcedure}<a name="line.1624"></a> |
| <span class="sourceLineNo">1625</span> addRegionStateToPut(putA, RegionState.State.CLOSED);<a name="line.1625"></a> |
| <span class="sourceLineNo">1626</span> addRegionStateToPut(putB, RegionState.State.CLOSED);<a name="line.1626"></a> |
| <span class="sourceLineNo">1627</span><a name="line.1627"></a> |
| <span class="sourceLineNo">1628</span> addSequenceNum(putA, 1, splitA.getReplicaId()); // new regions, openSeqNum = 1 is fine.<a name="line.1628"></a> |
| <span class="sourceLineNo">1629</span> addSequenceNum(putB, 1, splitB.getReplicaId());<a name="line.1629"></a> |
| <span class="sourceLineNo">1630</span><a name="line.1630"></a> |
| <span class="sourceLineNo">1631</span> // Add empty locations for region replicas of daughters so that number of replicas can be<a name="line.1631"></a> |
| <span class="sourceLineNo">1632</span> // cached whenever the primary region is looked up from meta<a name="line.1632"></a> |
| <span class="sourceLineNo">1633</span> for (int i = 1; i < regionReplication; i++) {<a name="line.1633"></a> |
| <span class="sourceLineNo">1634</span> addEmptyLocation(putA, i);<a name="line.1634"></a> |
| <span class="sourceLineNo">1635</span> addEmptyLocation(putB, i);<a name="line.1635"></a> |
| <span class="sourceLineNo">1636</span> }<a name="line.1636"></a> |
| <span class="sourceLineNo">1637</span><a name="line.1637"></a> |
| <span class="sourceLineNo">1638</span> byte[] tableRow = Bytes.toBytes(parent.getRegionNameAsString() + HConstants.DELIMITER);<a name="line.1638"></a> |
| <span class="sourceLineNo">1639</span> multiMutate(meta, tableRow, putParent, putA, putB);<a name="line.1639"></a> |
| <span class="sourceLineNo">1640</span> }<a name="line.1640"></a> |
| <span class="sourceLineNo">1641</span> }<a name="line.1641"></a> |
| <span class="sourceLineNo">1642</span><a name="line.1642"></a> |
| <span class="sourceLineNo">1643</span> /**<a name="line.1643"></a> |
| <span class="sourceLineNo">1644</span> * Update state of the table in meta.<a name="line.1644"></a> |
| <span class="sourceLineNo">1645</span> * @param connection what we use for update<a name="line.1645"></a> |
| <span class="sourceLineNo">1646</span> * @param state new state<a name="line.1646"></a> |
| <span class="sourceLineNo">1647</span> */<a name="line.1647"></a> |
| <span class="sourceLineNo">1648</span> private static void updateTableState(Connection connection, TableState state) throws IOException {<a name="line.1648"></a> |
| <span class="sourceLineNo">1649</span> Put put = makePutFromTableState(state, EnvironmentEdgeManager.currentTime());<a name="line.1649"></a> |
| <span class="sourceLineNo">1650</span> putToMetaTable(connection, put);<a name="line.1650"></a> |
| <span class="sourceLineNo">1651</span> LOG.info("Updated {} in hbase:meta", state);<a name="line.1651"></a> |
| <span class="sourceLineNo">1652</span> }<a name="line.1652"></a> |
| <span class="sourceLineNo">1653</span><a name="line.1653"></a> |
| <span class="sourceLineNo">1654</span> /**<a name="line.1654"></a> |
| <span class="sourceLineNo">1655</span> * Construct PUT for given state<a name="line.1655"></a> |
| <span class="sourceLineNo">1656</span> * @param state new state<a name="line.1656"></a> |
| <span class="sourceLineNo">1657</span> */<a name="line.1657"></a> |
| <span class="sourceLineNo">1658</span> public static Put makePutFromTableState(TableState state, long ts) {<a name="line.1658"></a> |
| <span class="sourceLineNo">1659</span> Put put = new Put(state.getTableName().getName(), ts);<a name="line.1659"></a> |
| <span class="sourceLineNo">1660</span> put.addColumn(getTableFamily(), getTableStateColumn(), state.convert().toByteArray());<a name="line.1660"></a> |
| <span class="sourceLineNo">1661</span> return put;<a name="line.1661"></a> |
| <span class="sourceLineNo">1662</span> }<a name="line.1662"></a> |
| <span class="sourceLineNo">1663</span><a name="line.1663"></a> |
| <span class="sourceLineNo">1664</span> /**<a name="line.1664"></a> |
| <span class="sourceLineNo">1665</span> * Remove state for table from meta<a name="line.1665"></a> |
| <span class="sourceLineNo">1666</span> * @param connection to use for deletion<a name="line.1666"></a> |
| <span class="sourceLineNo">1667</span> * @param table to delete state for<a name="line.1667"></a> |
| <span class="sourceLineNo">1668</span> */<a name="line.1668"></a> |
| <span class="sourceLineNo">1669</span> public static void deleteTableState(Connection connection, TableName table)<a name="line.1669"></a> |
| <span class="sourceLineNo">1670</span> throws IOException {<a name="line.1670"></a> |
| <span class="sourceLineNo">1671</span> long time = EnvironmentEdgeManager.currentTime();<a name="line.1671"></a> |
| <span class="sourceLineNo">1672</span> Delete delete = new Delete(table.getName());<a name="line.1672"></a> |
| <span class="sourceLineNo">1673</span> delete.addColumns(getTableFamily(), getTableStateColumn(), time);<a name="line.1673"></a> |
| <span class="sourceLineNo">1674</span> deleteFromMetaTable(connection, delete);<a name="line.1674"></a> |
| <span class="sourceLineNo">1675</span> LOG.info("Deleted table " + table + " state from META");<a name="line.1675"></a> |
| <span class="sourceLineNo">1676</span> }<a name="line.1676"></a> |
| <span class="sourceLineNo">1677</span><a name="line.1677"></a> |
| <span class="sourceLineNo">1678</span> private static void multiMutate(Table table, byte[] row,<a name="line.1678"></a> |
| <span class="sourceLineNo">1679</span> Mutation... mutations) throws IOException {<a name="line.1679"></a> |
| <span class="sourceLineNo">1680</span> multiMutate(table, row, Arrays.asList(mutations));<a name="line.1680"></a> |
| <span class="sourceLineNo">1681</span> }<a name="line.1681"></a> |
| <span class="sourceLineNo">1682</span><a name="line.1682"></a> |
| <span class="sourceLineNo">1683</span> /**<a name="line.1683"></a> |
| <span class="sourceLineNo">1684</span> * Performs an atomic multi-mutate operation against the given table.<a name="line.1684"></a> |
| <span class="sourceLineNo">1685</span> */<a name="line.1685"></a> |
| <span class="sourceLineNo">1686</span> private static void multiMutate(final Table table, byte[] row, final List<Mutation> mutations)<a name="line.1686"></a> |
| <span class="sourceLineNo">1687</span> throws IOException {<a name="line.1687"></a> |
| <span class="sourceLineNo">1688</span> debugLogMutations(mutations);<a name="line.1688"></a> |
| <span class="sourceLineNo">1689</span> Batch.Call<MultiRowMutationService, MutateRowsResponse> callable =<a name="line.1689"></a> |
| <span class="sourceLineNo">1690</span> new Batch.Call<MultiRowMutationService, MutateRowsResponse>() {<a name="line.1690"></a> |
| <span class="sourceLineNo">1691</span><a name="line.1691"></a> |
| <span class="sourceLineNo">1692</span> @Override<a name="line.1692"></a> |
| <span class="sourceLineNo">1693</span> public MutateRowsResponse call(MultiRowMutationService instance) throws IOException {<a name="line.1693"></a> |
| <span class="sourceLineNo">1694</span> MutateRowsRequest.Builder builder = MutateRowsRequest.newBuilder();<a name="line.1694"></a> |
| <span class="sourceLineNo">1695</span> for (Mutation mutation : mutations) {<a name="line.1695"></a> |
| <span class="sourceLineNo">1696</span> if (mutation instanceof Put) {<a name="line.1696"></a> |
| <span class="sourceLineNo">1697</span> builder.addMutationRequest(<a name="line.1697"></a> |
| <span class="sourceLineNo">1698</span> ProtobufUtil.toMutation(ClientProtos.MutationProto.MutationType.PUT, mutation));<a name="line.1698"></a> |
| <span class="sourceLineNo">1699</span> } else if (mutation instanceof Delete) {<a name="line.1699"></a> |
| <span class="sourceLineNo">1700</span> builder.addMutationRequest(<a name="line.1700"></a> |
| <span class="sourceLineNo">1701</span> ProtobufUtil.toMutation(ClientProtos.MutationProto.MutationType.DELETE, mutation));<a name="line.1701"></a> |
| <span class="sourceLineNo">1702</span> } else {<a name="line.1702"></a> |
| <span class="sourceLineNo">1703</span> throw new DoNotRetryIOException(<a name="line.1703"></a> |
| <span class="sourceLineNo">1704</span> "multi in MetaEditor doesn't support " + mutation.getClass().getName());<a name="line.1704"></a> |
| <span class="sourceLineNo">1705</span> }<a name="line.1705"></a> |
| <span class="sourceLineNo">1706</span> }<a name="line.1706"></a> |
| <span class="sourceLineNo">1707</span> ServerRpcController controller = new ServerRpcController();<a name="line.1707"></a> |
| <span class="sourceLineNo">1708</span> CoprocessorRpcUtils.BlockingRpcCallback<MutateRowsResponse> rpcCallback =<a name="line.1708"></a> |
| <span class="sourceLineNo">1709</span> new CoprocessorRpcUtils.BlockingRpcCallback<>();<a name="line.1709"></a> |
| <span class="sourceLineNo">1710</span> instance.mutateRows(controller, builder.build(), rpcCallback);<a name="line.1710"></a> |
| <span class="sourceLineNo">1711</span> MutateRowsResponse resp = rpcCallback.get();<a name="line.1711"></a> |
| <span class="sourceLineNo">1712</span> if (controller.failedOnException()) {<a name="line.1712"></a> |
| <span class="sourceLineNo">1713</span> throw controller.getFailedOn();<a name="line.1713"></a> |
| <span class="sourceLineNo">1714</span> }<a name="line.1714"></a> |
| <span class="sourceLineNo">1715</span> return resp;<a name="line.1715"></a> |
| <span class="sourceLineNo">1716</span> }<a name="line.1716"></a> |
| <span class="sourceLineNo">1717</span> };<a name="line.1717"></a> |
| <span class="sourceLineNo">1718</span> try {<a name="line.1718"></a> |
| <span class="sourceLineNo">1719</span> table.coprocessorService(MultiRowMutationService.class, row, row, callable);<a name="line.1719"></a> |
| <span class="sourceLineNo">1720</span> } catch (Throwable e) {<a name="line.1720"></a> |
| <span class="sourceLineNo">1721</span> Throwables.propagateIfPossible(e, IOException.class);<a name="line.1721"></a> |
| <span class="sourceLineNo">1722</span> throw new IOException(e);<a name="line.1722"></a> |
| <span class="sourceLineNo">1723</span> }<a name="line.1723"></a> |
| <span class="sourceLineNo">1724</span> }<a name="line.1724"></a> |
| <span class="sourceLineNo">1725</span><a name="line.1725"></a> |
| <span class="sourceLineNo">1726</span> /**<a name="line.1726"></a> |
| <span class="sourceLineNo">1727</span> * Updates the location of the specified region in hbase:meta to be the specified server hostname<a name="line.1727"></a> |
| <span class="sourceLineNo">1728</span> * and startcode.<a name="line.1728"></a> |
| <span class="sourceLineNo">1729</span> * <p><a name="line.1729"></a> |
| <span class="sourceLineNo">1730</span> * Uses passed catalog tracker to get a connection to the server hosting hbase:meta and makes<a name="line.1730"></a> |
| <span class="sourceLineNo">1731</span> * edits to that region.<a name="line.1731"></a> |
| <span class="sourceLineNo">1732</span> * @param connection connection we're using<a name="line.1732"></a> |
| <span class="sourceLineNo">1733</span> * @param regionInfo region to update location of<a name="line.1733"></a> |
| <span class="sourceLineNo">1734</span> * @param openSeqNum the latest sequence number obtained when the region was open<a name="line.1734"></a> |
| <span class="sourceLineNo">1735</span> * @param sn Server name<a name="line.1735"></a> |
| <span class="sourceLineNo">1736</span> * @param masterSystemTime wall clock time from master if passed in the open region RPC<a name="line.1736"></a> |
| <span class="sourceLineNo">1737</span> */<a name="line.1737"></a> |
| <span class="sourceLineNo">1738</span> @VisibleForTesting<a name="line.1738"></a> |
| <span class="sourceLineNo">1739</span> public static void updateRegionLocation(Connection connection, RegionInfo regionInfo,<a name="line.1739"></a> |
| <span class="sourceLineNo">1740</span> ServerName sn, long openSeqNum, long masterSystemTime) throws IOException {<a name="line.1740"></a> |
| <span class="sourceLineNo">1741</span> updateLocation(connection, regionInfo, sn, openSeqNum, masterSystemTime);<a name="line.1741"></a> |
| <span class="sourceLineNo">1742</span> }<a name="line.1742"></a> |
| <span class="sourceLineNo">1743</span><a name="line.1743"></a> |
| <span class="sourceLineNo">1744</span> /**<a name="line.1744"></a> |
| <span class="sourceLineNo">1745</span> * Updates the location of the specified region to be the specified server.<a name="line.1745"></a> |
| <span class="sourceLineNo">1746</span> * <p><a name="line.1746"></a> |
| <span class="sourceLineNo">1747</span> * Connects to the specified server which should be hosting the specified catalog region name to<a name="line.1747"></a> |
| <span class="sourceLineNo">1748</span> * perform the edit.<a name="line.1748"></a> |
| <span class="sourceLineNo">1749</span> * @param connection connection we're using<a name="line.1749"></a> |
| <span class="sourceLineNo">1750</span> * @param regionInfo region to update location of<a name="line.1750"></a> |
| <span class="sourceLineNo">1751</span> * @param sn Server name<a name="line.1751"></a> |
| <span class="sourceLineNo">1752</span> * @param openSeqNum the latest sequence number obtained when the region was open<a name="line.1752"></a> |
| <span class="sourceLineNo">1753</span> * @param masterSystemTime wall clock time from master if passed in the open region RPC<a name="line.1753"></a> |
| <span class="sourceLineNo">1754</span> * @throws IOException In particular could throw {@link java.net.ConnectException} if the server<a name="line.1754"></a> |
| <span class="sourceLineNo">1755</span> * is down on other end.<a name="line.1755"></a> |
| <span class="sourceLineNo">1756</span> */<a name="line.1756"></a> |
| <span class="sourceLineNo">1757</span> private static void updateLocation(Connection connection, RegionInfo regionInfo, ServerName sn,<a name="line.1757"></a> |
| <span class="sourceLineNo">1758</span> long openSeqNum, long masterSystemTime) throws IOException {<a name="line.1758"></a> |
| <span class="sourceLineNo">1759</span> // region replicas are kept in the primary region's row<a name="line.1759"></a> |
| <span class="sourceLineNo">1760</span> Put put = new Put(getMetaKeyForRegion(regionInfo), masterSystemTime);<a name="line.1760"></a> |
| <span class="sourceLineNo">1761</span> addRegionInfo(put, regionInfo);<a name="line.1761"></a> |
| <span class="sourceLineNo">1762</span> addLocation(put, sn, openSeqNum, regionInfo.getReplicaId());<a name="line.1762"></a> |
| <span class="sourceLineNo">1763</span> putToMetaTable(connection, put);<a name="line.1763"></a> |
| <span class="sourceLineNo">1764</span> LOG.info("Updated row {} with server=", regionInfo.getRegionNameAsString(), sn);<a name="line.1764"></a> |
| <span class="sourceLineNo">1765</span> }<a name="line.1765"></a> |
| <span class="sourceLineNo">1766</span><a name="line.1766"></a> |
| <span class="sourceLineNo">1767</span> /**<a name="line.1767"></a> |
| <span class="sourceLineNo">1768</span> * Deletes the specified region from META.<a name="line.1768"></a> |
| <span class="sourceLineNo">1769</span> * @param connection connection we're using<a name="line.1769"></a> |
| <span class="sourceLineNo">1770</span> * @param regionInfo region to be deleted from META<a name="line.1770"></a> |
| <span class="sourceLineNo">1771</span> */<a name="line.1771"></a> |
| <span class="sourceLineNo">1772</span> public static void deleteRegionInfo(Connection connection, RegionInfo regionInfo)<a name="line.1772"></a> |
| <span class="sourceLineNo">1773</span> throws IOException {<a name="line.1773"></a> |
| <span class="sourceLineNo">1774</span> Delete delete = new Delete(regionInfo.getRegionName());<a name="line.1774"></a> |
| <span class="sourceLineNo">1775</span> delete.addFamily(getCatalogFamily(), HConstants.LATEST_TIMESTAMP);<a name="line.1775"></a> |
| <span class="sourceLineNo">1776</span> deleteFromMetaTable(connection, delete);<a name="line.1776"></a> |
| <span class="sourceLineNo">1777</span> LOG.info("Deleted " + regionInfo.getRegionNameAsString());<a name="line.1777"></a> |
| <span class="sourceLineNo">1778</span> }<a name="line.1778"></a> |
| <span class="sourceLineNo">1779</span><a name="line.1779"></a> |
| <span class="sourceLineNo">1780</span> /**<a name="line.1780"></a> |
| <span class="sourceLineNo">1781</span> * Deletes the specified regions from META.<a name="line.1781"></a> |
| <span class="sourceLineNo">1782</span> * @param connection connection we're using<a name="line.1782"></a> |
| <span class="sourceLineNo">1783</span> * @param regionsInfo list of regions to be deleted from META<a name="line.1783"></a> |
| <span class="sourceLineNo">1784</span> */<a name="line.1784"></a> |
| <span class="sourceLineNo">1785</span> public static void deleteRegionInfos(Connection connection, List<RegionInfo> regionsInfo)<a name="line.1785"></a> |
| <span class="sourceLineNo">1786</span> throws IOException {<a name="line.1786"></a> |
| <span class="sourceLineNo">1787</span> deleteRegionInfos(connection, regionsInfo, EnvironmentEdgeManager.currentTime());<a name="line.1787"></a> |
| <span class="sourceLineNo">1788</span> }<a name="line.1788"></a> |
| <span class="sourceLineNo">1789</span><a name="line.1789"></a> |
| <span class="sourceLineNo">1790</span> /**<a name="line.1790"></a> |
| <span class="sourceLineNo">1791</span> * Deletes the specified regions from META.<a name="line.1791"></a> |
| <span class="sourceLineNo">1792</span> * @param connection connection we're using<a name="line.1792"></a> |
| <span class="sourceLineNo">1793</span> * @param regionsInfo list of regions to be deleted from META<a name="line.1793"></a> |
| <span class="sourceLineNo">1794</span> */<a name="line.1794"></a> |
| <span class="sourceLineNo">1795</span> private static void deleteRegionInfos(Connection connection, List<RegionInfo> regionsInfo,<a name="line.1795"></a> |
| <span class="sourceLineNo">1796</span> long ts)<a name="line.1796"></a> |
| <span class="sourceLineNo">1797</span> throws IOException {<a name="line.1797"></a> |
| <span class="sourceLineNo">1798</span> List<Delete> deletes = new ArrayList<>(regionsInfo.size());<a name="line.1798"></a> |
| <span class="sourceLineNo">1799</span> for (RegionInfo hri : regionsInfo) {<a name="line.1799"></a> |
| <span class="sourceLineNo">1800</span> Delete e = new Delete(hri.getRegionName());<a name="line.1800"></a> |
| <span class="sourceLineNo">1801</span> e.addFamily(getCatalogFamily(), ts);<a name="line.1801"></a> |
| <span class="sourceLineNo">1802</span> deletes.add(e);<a name="line.1802"></a> |
| <span class="sourceLineNo">1803</span> }<a name="line.1803"></a> |
| <span class="sourceLineNo">1804</span> deleteFromMetaTable(connection, deletes);<a name="line.1804"></a> |
| <span class="sourceLineNo">1805</span> LOG.info("Deleted {} regions from META", regionsInfo.size());<a name="line.1805"></a> |
| <span class="sourceLineNo">1806</span> LOG.debug("Deleted regions: {}", regionsInfo);<a name="line.1806"></a> |
| <span class="sourceLineNo">1807</span> }<a name="line.1807"></a> |
| <span class="sourceLineNo">1808</span><a name="line.1808"></a> |
| <span class="sourceLineNo">1809</span> /**<a name="line.1809"></a> |
| <span class="sourceLineNo">1810</span> * Overwrites the specified regions from hbase:meta. Deletes old rows for the given regions and<a name="line.1810"></a> |
| <span class="sourceLineNo">1811</span> * adds new ones. Regions added back have state CLOSED.<a name="line.1811"></a> |
| <span class="sourceLineNo">1812</span> * @param connection connection we're using<a name="line.1812"></a> |
| <span class="sourceLineNo">1813</span> * @param regionInfos list of regions to be added to META<a name="line.1813"></a> |
| <span class="sourceLineNo">1814</span> */<a name="line.1814"></a> |
| <span class="sourceLineNo">1815</span> public static void overwriteRegions(Connection connection, List<RegionInfo> regionInfos,<a name="line.1815"></a> |
| <span class="sourceLineNo">1816</span> int regionReplication) throws IOException {<a name="line.1816"></a> |
| <span class="sourceLineNo">1817</span> // use master time for delete marker and the Put<a name="line.1817"></a> |
| <span class="sourceLineNo">1818</span> long now = EnvironmentEdgeManager.currentTime();<a name="line.1818"></a> |
| <span class="sourceLineNo">1819</span> deleteRegionInfos(connection, regionInfos, now);<a name="line.1819"></a> |
| <span class="sourceLineNo">1820</span> // Why sleep? This is the easiest way to ensure that the previous deletes does not<a name="line.1820"></a> |
| <span class="sourceLineNo">1821</span> // eclipse the following puts, that might happen in the same ts from the server.<a name="line.1821"></a> |
| <span class="sourceLineNo">1822</span> // See HBASE-9906, and HBASE-9879. Once either HBASE-9879, HBASE-8770 is fixed,<a name="line.1822"></a> |
| <span class="sourceLineNo">1823</span> // or HBASE-9905 is fixed and meta uses seqIds, we do not need the sleep.<a name="line.1823"></a> |
| <span class="sourceLineNo">1824</span> //<a name="line.1824"></a> |
| <span class="sourceLineNo">1825</span> // HBASE-13875 uses master timestamp for the mutations. The 20ms sleep is not needed<a name="line.1825"></a> |
| <span class="sourceLineNo">1826</span> addRegionsToMeta(connection, regionInfos, regionReplication, now + 1);<a name="line.1826"></a> |
| <span class="sourceLineNo">1827</span> LOG.info("Overwritten " + regionInfos.size() + " regions to Meta");<a name="line.1827"></a> |
| <span class="sourceLineNo">1828</span> LOG.debug("Overwritten regions: {} ", regionInfos);<a name="line.1828"></a> |
| <span class="sourceLineNo">1829</span> }<a name="line.1829"></a> |
| <span class="sourceLineNo">1830</span><a name="line.1830"></a> |
| <span class="sourceLineNo">1831</span> /**<a name="line.1831"></a> |
| <span class="sourceLineNo">1832</span> * Deletes merge qualifiers for the specified merge region.<a name="line.1832"></a> |
| <span class="sourceLineNo">1833</span> * @param connection connection we're using<a name="line.1833"></a> |
| <span class="sourceLineNo">1834</span> * @param mergeRegion the merged region<a name="line.1834"></a> |
| <span class="sourceLineNo">1835</span> */<a name="line.1835"></a> |
| <span class="sourceLineNo">1836</span> public static void deleteMergeQualifiers(Connection connection, final RegionInfo mergeRegion)<a name="line.1836"></a> |
| <span class="sourceLineNo">1837</span> throws IOException {<a name="line.1837"></a> |
| <span class="sourceLineNo">1838</span> Delete delete = new Delete(mergeRegion.getRegionName());<a name="line.1838"></a> |
| <span class="sourceLineNo">1839</span> // NOTE: We are doing a new hbase:meta read here.<a name="line.1839"></a> |
| <span class="sourceLineNo">1840</span> Cell [] cells = getMergeRegionsRaw(connection, mergeRegion.getRegionName());<a name="line.1840"></a> |
| <span class="sourceLineNo">1841</span> if (cells == null || cells.length == 0) {<a name="line.1841"></a> |
| <span class="sourceLineNo">1842</span> return;<a name="line.1842"></a> |
| <span class="sourceLineNo">1843</span> }<a name="line.1843"></a> |
| <span class="sourceLineNo">1844</span> List<byte[]> qualifiers = new ArrayList<>(cells.length);<a name="line.1844"></a> |
| <span class="sourceLineNo">1845</span> for (Cell cell : cells) {<a name="line.1845"></a> |
| <span class="sourceLineNo">1846</span> byte[] qualifier = CellUtil.cloneQualifier(cell);<a name="line.1846"></a> |
| <span class="sourceLineNo">1847</span> qualifiers.add(qualifier);<a name="line.1847"></a> |
| <span class="sourceLineNo">1848</span> delete.addColumns(getCatalogFamily(), qualifier, HConstants.LATEST_TIMESTAMP);<a name="line.1848"></a> |
| <span class="sourceLineNo">1849</span> }<a name="line.1849"></a> |
| <span class="sourceLineNo">1850</span> deleteFromMetaTable(connection, delete);<a name="line.1850"></a> |
| <span class="sourceLineNo">1851</span> LOG.info("Deleted merge references in " + mergeRegion.getRegionNameAsString() +<a name="line.1851"></a> |
| <span class="sourceLineNo">1852</span> ", deleted qualifiers " +<a name="line.1852"></a> |
| <span class="sourceLineNo">1853</span> qualifiers.stream().map(Bytes::toStringBinary).<a name="line.1853"></a> |
| <span class="sourceLineNo">1854</span> collect(Collectors.joining(", ")));<a name="line.1854"></a> |
| <span class="sourceLineNo">1855</span> }<a name="line.1855"></a> |
| <span class="sourceLineNo">1856</span><a name="line.1856"></a> |
| <span class="sourceLineNo">1857</span> public static Put addRegionInfo(final Put p, final RegionInfo hri)<a name="line.1857"></a> |
| <span class="sourceLineNo">1858</span> throws IOException {<a name="line.1858"></a> |
| <span class="sourceLineNo">1859</span> p.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1859"></a> |
| <span class="sourceLineNo">1860</span> .setRow(p.getRow())<a name="line.1860"></a> |
| <span class="sourceLineNo">1861</span> .setFamily(getCatalogFamily())<a name="line.1861"></a> |
| <span class="sourceLineNo">1862</span> .setQualifier(HConstants.REGIONINFO_QUALIFIER)<a name="line.1862"></a> |
| <span class="sourceLineNo">1863</span> .setTimestamp(p.getTimestamp())<a name="line.1863"></a> |
| <span class="sourceLineNo">1864</span> .setType(Type.Put)<a name="line.1864"></a> |
| <span class="sourceLineNo">1865</span> .setValue(RegionInfo.toByteArray(hri))<a name="line.1865"></a> |
| <span class="sourceLineNo">1866</span> .build());<a name="line.1866"></a> |
| <span class="sourceLineNo">1867</span> return p;<a name="line.1867"></a> |
| <span class="sourceLineNo">1868</span> }<a name="line.1868"></a> |
| <span class="sourceLineNo">1869</span><a name="line.1869"></a> |
| <span class="sourceLineNo">1870</span> public static Put addLocation(Put p, ServerName sn, long openSeqNum, int replicaId)<a name="line.1870"></a> |
| <span class="sourceLineNo">1871</span> throws IOException {<a name="line.1871"></a> |
| <span class="sourceLineNo">1872</span> CellBuilder builder = CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY);<a name="line.1872"></a> |
| <span class="sourceLineNo">1873</span> return p.add(builder.clear()<a name="line.1873"></a> |
| <span class="sourceLineNo">1874</span> .setRow(p.getRow())<a name="line.1874"></a> |
| <span class="sourceLineNo">1875</span> .setFamily(getCatalogFamily())<a name="line.1875"></a> |
| <span class="sourceLineNo">1876</span> .setQualifier(getServerColumn(replicaId))<a name="line.1876"></a> |
| <span class="sourceLineNo">1877</span> .setTimestamp(p.getTimestamp())<a name="line.1877"></a> |
| <span class="sourceLineNo">1878</span> .setType(Cell.Type.Put)<a name="line.1878"></a> |
| <span class="sourceLineNo">1879</span> .setValue(Bytes.toBytes(sn.getAddress().toString()))<a name="line.1879"></a> |
| <span class="sourceLineNo">1880</span> .build())<a name="line.1880"></a> |
| <span class="sourceLineNo">1881</span> .add(builder.clear()<a name="line.1881"></a> |
| <span class="sourceLineNo">1882</span> .setRow(p.getRow())<a name="line.1882"></a> |
| <span class="sourceLineNo">1883</span> .setFamily(getCatalogFamily())<a name="line.1883"></a> |
| <span class="sourceLineNo">1884</span> .setQualifier(getStartCodeColumn(replicaId))<a name="line.1884"></a> |
| <span class="sourceLineNo">1885</span> .setTimestamp(p.getTimestamp())<a name="line.1885"></a> |
| <span class="sourceLineNo">1886</span> .setType(Cell.Type.Put)<a name="line.1886"></a> |
| <span class="sourceLineNo">1887</span> .setValue(Bytes.toBytes(sn.getStartcode()))<a name="line.1887"></a> |
| <span class="sourceLineNo">1888</span> .build())<a name="line.1888"></a> |
| <span class="sourceLineNo">1889</span> .add(builder.clear()<a name="line.1889"></a> |
| <span class="sourceLineNo">1890</span> .setRow(p.getRow())<a name="line.1890"></a> |
| <span class="sourceLineNo">1891</span> .setFamily(getCatalogFamily())<a name="line.1891"></a> |
| <span class="sourceLineNo">1892</span> .setQualifier(getSeqNumColumn(replicaId))<a name="line.1892"></a> |
| <span class="sourceLineNo">1893</span> .setTimestamp(p.getTimestamp())<a name="line.1893"></a> |
| <span class="sourceLineNo">1894</span> .setType(Type.Put)<a name="line.1894"></a> |
| <span class="sourceLineNo">1895</span> .setValue(Bytes.toBytes(openSeqNum))<a name="line.1895"></a> |
| <span class="sourceLineNo">1896</span> .build());<a name="line.1896"></a> |
| <span class="sourceLineNo">1897</span> }<a name="line.1897"></a> |
| <span class="sourceLineNo">1898</span><a name="line.1898"></a> |
| <span class="sourceLineNo">1899</span> private static void writeRegionName(ByteArrayOutputStream out, byte[] regionName) {<a name="line.1899"></a> |
| <span class="sourceLineNo">1900</span> for (byte b : regionName) {<a name="line.1900"></a> |
| <span class="sourceLineNo">1901</span> if (b == ESCAPE_BYTE) {<a name="line.1901"></a> |
| <span class="sourceLineNo">1902</span> out.write(ESCAPE_BYTE);<a name="line.1902"></a> |
| <span class="sourceLineNo">1903</span> }<a name="line.1903"></a> |
| <span class="sourceLineNo">1904</span> out.write(b);<a name="line.1904"></a> |
| <span class="sourceLineNo">1905</span> }<a name="line.1905"></a> |
| <span class="sourceLineNo">1906</span> }<a name="line.1906"></a> |
| <span class="sourceLineNo">1907</span><a name="line.1907"></a> |
| <span class="sourceLineNo">1908</span> @VisibleForTesting<a name="line.1908"></a> |
| <span class="sourceLineNo">1909</span> public static byte[] getParentsBytes(List<RegionInfo> parents) {<a name="line.1909"></a> |
| <span class="sourceLineNo">1910</span> ByteArrayOutputStream bos = new ByteArrayOutputStream();<a name="line.1910"></a> |
| <span class="sourceLineNo">1911</span> Iterator<RegionInfo> iter = parents.iterator();<a name="line.1911"></a> |
| <span class="sourceLineNo">1912</span> writeRegionName(bos, iter.next().getRegionName());<a name="line.1912"></a> |
| <span class="sourceLineNo">1913</span> while (iter.hasNext()) {<a name="line.1913"></a> |
| <span class="sourceLineNo">1914</span> bos.write(ESCAPE_BYTE);<a name="line.1914"></a> |
| <span class="sourceLineNo">1915</span> bos.write(SEPARATED_BYTE);<a name="line.1915"></a> |
| <span class="sourceLineNo">1916</span> writeRegionName(bos, iter.next().getRegionName());<a name="line.1916"></a> |
| <span class="sourceLineNo">1917</span> }<a name="line.1917"></a> |
| <span class="sourceLineNo">1918</span> return bos.toByteArray();<a name="line.1918"></a> |
| <span class="sourceLineNo">1919</span> }<a name="line.1919"></a> |
| <span class="sourceLineNo">1920</span><a name="line.1920"></a> |
| <span class="sourceLineNo">1921</span> private static List<byte[]> parseParentsBytes(byte[] bytes) {<a name="line.1921"></a> |
| <span class="sourceLineNo">1922</span> List<byte[]> parents = new ArrayList<>();<a name="line.1922"></a> |
| <span class="sourceLineNo">1923</span> ByteArrayOutputStream bos = new ByteArrayOutputStream();<a name="line.1923"></a> |
| <span class="sourceLineNo">1924</span> for (int i = 0; i < bytes.length; i++) {<a name="line.1924"></a> |
| <span class="sourceLineNo">1925</span> if (bytes[i] == ESCAPE_BYTE) {<a name="line.1925"></a> |
| <span class="sourceLineNo">1926</span> i++;<a name="line.1926"></a> |
| <span class="sourceLineNo">1927</span> if (bytes[i] == SEPARATED_BYTE) {<a name="line.1927"></a> |
| <span class="sourceLineNo">1928</span> parents.add(bos.toByteArray());<a name="line.1928"></a> |
| <span class="sourceLineNo">1929</span> bos.reset();<a name="line.1929"></a> |
| <span class="sourceLineNo">1930</span> continue;<a name="line.1930"></a> |
| <span class="sourceLineNo">1931</span> }<a name="line.1931"></a> |
| <span class="sourceLineNo">1932</span> // fall through to append the byte<a name="line.1932"></a> |
| <span class="sourceLineNo">1933</span> }<a name="line.1933"></a> |
| <span class="sourceLineNo">1934</span> bos.write(bytes[i]);<a name="line.1934"></a> |
| <span class="sourceLineNo">1935</span> }<a name="line.1935"></a> |
| <span class="sourceLineNo">1936</span> if (bos.size() > 0) {<a name="line.1936"></a> |
| <span class="sourceLineNo">1937</span> parents.add(bos.toByteArray());<a name="line.1937"></a> |
| <span class="sourceLineNo">1938</span> }<a name="line.1938"></a> |
| <span class="sourceLineNo">1939</span> return parents;<a name="line.1939"></a> |
| <span class="sourceLineNo">1940</span> }<a name="line.1940"></a> |
| <span class="sourceLineNo">1941</span><a name="line.1941"></a> |
| <span class="sourceLineNo">1942</span> private static void addReplicationParent(Put put, List<RegionInfo> parents) throws IOException {<a name="line.1942"></a> |
| <span class="sourceLineNo">1943</span> byte[] value = getParentsBytes(parents);<a name="line.1943"></a> |
| <span class="sourceLineNo">1944</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY).setRow(put.getRow())<a name="line.1944"></a> |
| <span class="sourceLineNo">1945</span> .setFamily(HConstants.REPLICATION_BARRIER_FAMILY).setQualifier(REPLICATION_PARENT_QUALIFIER)<a name="line.1945"></a> |
| <span class="sourceLineNo">1946</span> .setTimestamp(put.getTimestamp()).setType(Type.Put).setValue(value).build());<a name="line.1946"></a> |
| <span class="sourceLineNo">1947</span> }<a name="line.1947"></a> |
| <span class="sourceLineNo">1948</span><a name="line.1948"></a> |
| <span class="sourceLineNo">1949</span> public static Put makePutForReplicationBarrier(RegionInfo regionInfo, long openSeqNum, long ts)<a name="line.1949"></a> |
| <span class="sourceLineNo">1950</span> throws IOException {<a name="line.1950"></a> |
| <span class="sourceLineNo">1951</span> Put put = new Put(regionInfo.getRegionName(), ts);<a name="line.1951"></a> |
| <span class="sourceLineNo">1952</span> addReplicationBarrier(put, openSeqNum);<a name="line.1952"></a> |
| <span class="sourceLineNo">1953</span> return put;<a name="line.1953"></a> |
| <span class="sourceLineNo">1954</span> }<a name="line.1954"></a> |
| <span class="sourceLineNo">1955</span><a name="line.1955"></a> |
| <span class="sourceLineNo">1956</span> public static void addReplicationBarrier(Put put, long openSeqNum) throws IOException {<a name="line.1956"></a> |
| <span class="sourceLineNo">1957</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1957"></a> |
| <span class="sourceLineNo">1958</span> .setRow(put.getRow())<a name="line.1958"></a> |
| <span class="sourceLineNo">1959</span> .setFamily(HConstants.REPLICATION_BARRIER_FAMILY)<a name="line.1959"></a> |
| <span class="sourceLineNo">1960</span> .setQualifier(HConstants.SEQNUM_QUALIFIER)<a name="line.1960"></a> |
| <span class="sourceLineNo">1961</span> .setTimestamp(put.getTimestamp())<a name="line.1961"></a> |
| <span class="sourceLineNo">1962</span> .setType(Type.Put)<a name="line.1962"></a> |
| <span class="sourceLineNo">1963</span> .setValue(Bytes.toBytes(openSeqNum))<a name="line.1963"></a> |
| <span class="sourceLineNo">1964</span> .build());<a name="line.1964"></a> |
| <span class="sourceLineNo">1965</span> }<a name="line.1965"></a> |
| <span class="sourceLineNo">1966</span><a name="line.1966"></a> |
| <span class="sourceLineNo">1967</span> private static Put addEmptyLocation(Put p, int replicaId) throws IOException {<a name="line.1967"></a> |
| <span class="sourceLineNo">1968</span> CellBuilder builder = CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY);<a name="line.1968"></a> |
| <span class="sourceLineNo">1969</span> return p.add(builder.clear()<a name="line.1969"></a> |
| <span class="sourceLineNo">1970</span> .setRow(p.getRow())<a name="line.1970"></a> |
| <span class="sourceLineNo">1971</span> .setFamily(getCatalogFamily())<a name="line.1971"></a> |
| <span class="sourceLineNo">1972</span> .setQualifier(getServerColumn(replicaId))<a name="line.1972"></a> |
| <span class="sourceLineNo">1973</span> .setTimestamp(p.getTimestamp())<a name="line.1973"></a> |
| <span class="sourceLineNo">1974</span> .setType(Type.Put)<a name="line.1974"></a> |
| <span class="sourceLineNo">1975</span> .build())<a name="line.1975"></a> |
| <span class="sourceLineNo">1976</span> .add(builder.clear()<a name="line.1976"></a> |
| <span class="sourceLineNo">1977</span> .setRow(p.getRow())<a name="line.1977"></a> |
| <span class="sourceLineNo">1978</span> .setFamily(getCatalogFamily())<a name="line.1978"></a> |
| <span class="sourceLineNo">1979</span> .setQualifier(getStartCodeColumn(replicaId))<a name="line.1979"></a> |
| <span class="sourceLineNo">1980</span> .setTimestamp(p.getTimestamp())<a name="line.1980"></a> |
| <span class="sourceLineNo">1981</span> .setType(Cell.Type.Put)<a name="line.1981"></a> |
| <span class="sourceLineNo">1982</span> .build())<a name="line.1982"></a> |
| <span class="sourceLineNo">1983</span> .add(builder.clear()<a name="line.1983"></a> |
| <span class="sourceLineNo">1984</span> .setRow(p.getRow())<a name="line.1984"></a> |
| <span class="sourceLineNo">1985</span> .setFamily(getCatalogFamily())<a name="line.1985"></a> |
| <span class="sourceLineNo">1986</span> .setQualifier(getSeqNumColumn(replicaId))<a name="line.1986"></a> |
| <span class="sourceLineNo">1987</span> .setTimestamp(p.getTimestamp())<a name="line.1987"></a> |
| <span class="sourceLineNo">1988</span> .setType(Cell.Type.Put)<a name="line.1988"></a> |
| <span class="sourceLineNo">1989</span> .build());<a name="line.1989"></a> |
| <span class="sourceLineNo">1990</span> }<a name="line.1990"></a> |
| <span class="sourceLineNo">1991</span><a name="line.1991"></a> |
| <span class="sourceLineNo">1992</span> public static final class ReplicationBarrierResult {<a name="line.1992"></a> |
| <span class="sourceLineNo">1993</span> private final long[] barriers;<a name="line.1993"></a> |
| <span class="sourceLineNo">1994</span> private final RegionState.State state;<a name="line.1994"></a> |
| <span class="sourceLineNo">1995</span> private final List<byte[]> parentRegionNames;<a name="line.1995"></a> |
| <span class="sourceLineNo">1996</span><a name="line.1996"></a> |
| <span class="sourceLineNo">1997</span> ReplicationBarrierResult(long[] barriers, State state, List<byte[]> parentRegionNames) {<a name="line.1997"></a> |
| <span class="sourceLineNo">1998</span> this.barriers = barriers;<a name="line.1998"></a> |
| <span class="sourceLineNo">1999</span> this.state = state;<a name="line.1999"></a> |
| <span class="sourceLineNo">2000</span> this.parentRegionNames = parentRegionNames;<a name="line.2000"></a> |
| <span class="sourceLineNo">2001</span> }<a name="line.2001"></a> |
| <span class="sourceLineNo">2002</span><a name="line.2002"></a> |
| <span class="sourceLineNo">2003</span> public long[] getBarriers() {<a name="line.2003"></a> |
| <span class="sourceLineNo">2004</span> return barriers;<a name="line.2004"></a> |
| <span class="sourceLineNo">2005</span> }<a name="line.2005"></a> |
| <span class="sourceLineNo">2006</span><a name="line.2006"></a> |
| <span class="sourceLineNo">2007</span> public RegionState.State getState() {<a name="line.2007"></a> |
| <span class="sourceLineNo">2008</span> return state;<a name="line.2008"></a> |
| <span class="sourceLineNo">2009</span> }<a name="line.2009"></a> |
| <span class="sourceLineNo">2010</span><a name="line.2010"></a> |
| <span class="sourceLineNo">2011</span> public List<byte[]> getParentRegionNames() {<a name="line.2011"></a> |
| <span class="sourceLineNo">2012</span> return parentRegionNames;<a name="line.2012"></a> |
| <span class="sourceLineNo">2013</span> }<a name="line.2013"></a> |
| <span class="sourceLineNo">2014</span><a name="line.2014"></a> |
| <span class="sourceLineNo">2015</span> @Override<a name="line.2015"></a> |
| <span class="sourceLineNo">2016</span> public String toString() {<a name="line.2016"></a> |
| <span class="sourceLineNo">2017</span> return "ReplicationBarrierResult [barriers=" + Arrays.toString(barriers) + ", state=" +<a name="line.2017"></a> |
| <span class="sourceLineNo">2018</span> state + ", parentRegionNames=" +<a name="line.2018"></a> |
| <span class="sourceLineNo">2019</span> parentRegionNames.stream().map(Bytes::toStringBinary).collect(Collectors.joining(", ")) +<a name="line.2019"></a> |
| <span class="sourceLineNo">2020</span> "]";<a name="line.2020"></a> |
| <span class="sourceLineNo">2021</span> }<a name="line.2021"></a> |
| <span class="sourceLineNo">2022</span> }<a name="line.2022"></a> |
| <span class="sourceLineNo">2023</span><a name="line.2023"></a> |
| <span class="sourceLineNo">2024</span> private static long getReplicationBarrier(Cell c) {<a name="line.2024"></a> |
| <span class="sourceLineNo">2025</span> return Bytes.toLong(c.getValueArray(), c.getValueOffset(), c.getValueLength());<a name="line.2025"></a> |
| <span class="sourceLineNo">2026</span> }<a name="line.2026"></a> |
| <span class="sourceLineNo">2027</span><a name="line.2027"></a> |
| <span class="sourceLineNo">2028</span> public static long[] getReplicationBarriers(Result result) {<a name="line.2028"></a> |
| <span class="sourceLineNo">2029</span> return result.getColumnCells(HConstants.REPLICATION_BARRIER_FAMILY, HConstants.SEQNUM_QUALIFIER)<a name="line.2029"></a> |
| <span class="sourceLineNo">2030</span> .stream().mapToLong(MetaTableAccessor::getReplicationBarrier).sorted().distinct().toArray();<a name="line.2030"></a> |
| <span class="sourceLineNo">2031</span> }<a name="line.2031"></a> |
| <span class="sourceLineNo">2032</span><a name="line.2032"></a> |
| <span class="sourceLineNo">2033</span> private static ReplicationBarrierResult getReplicationBarrierResult(Result result) {<a name="line.2033"></a> |
| <span class="sourceLineNo">2034</span> long[] barriers = getReplicationBarriers(result);<a name="line.2034"></a> |
| <span class="sourceLineNo">2035</span> byte[] stateBytes = result.getValue(getCatalogFamily(), getRegionStateColumn());<a name="line.2035"></a> |
| <span class="sourceLineNo">2036</span> RegionState.State state =<a name="line.2036"></a> |
| <span class="sourceLineNo">2037</span> stateBytes != null ? RegionState.State.valueOf(Bytes.toString(stateBytes)) : null;<a name="line.2037"></a> |
| <span class="sourceLineNo">2038</span> byte[] parentRegionsBytes =<a name="line.2038"></a> |
| <span class="sourceLineNo">2039</span> result.getValue(HConstants.REPLICATION_BARRIER_FAMILY, REPLICATION_PARENT_QUALIFIER);<a name="line.2039"></a> |
| <span class="sourceLineNo">2040</span> List<byte[]> parentRegionNames =<a name="line.2040"></a> |
| <span class="sourceLineNo">2041</span> parentRegionsBytes != null ? parseParentsBytes(parentRegionsBytes) : Collections.emptyList();<a name="line.2041"></a> |
| <span class="sourceLineNo">2042</span> return new ReplicationBarrierResult(barriers, state, parentRegionNames);<a name="line.2042"></a> |
| <span class="sourceLineNo">2043</span> }<a name="line.2043"></a> |
| <span class="sourceLineNo">2044</span><a name="line.2044"></a> |
| <span class="sourceLineNo">2045</span> public static ReplicationBarrierResult getReplicationBarrierResult(Connection conn,<a name="line.2045"></a> |
| <span class="sourceLineNo">2046</span> TableName tableName, byte[] row, byte[] encodedRegionName) throws IOException {<a name="line.2046"></a> |
| <span class="sourceLineNo">2047</span> byte[] metaStartKey = RegionInfo.createRegionName(tableName, row, HConstants.NINES, false);<a name="line.2047"></a> |
| <span class="sourceLineNo">2048</span> byte[] metaStopKey =<a name="line.2048"></a> |
| <span class="sourceLineNo">2049</span> RegionInfo.createRegionName(tableName, HConstants.EMPTY_START_ROW, "", false);<a name="line.2049"></a> |
| <span class="sourceLineNo">2050</span> Scan scan = new Scan().withStartRow(metaStartKey).withStopRow(metaStopKey)<a name="line.2050"></a> |
| <span class="sourceLineNo">2051</span> .addColumn(getCatalogFamily(), getRegionStateColumn())<a name="line.2051"></a> |
| <span class="sourceLineNo">2052</span> .addFamily(HConstants.REPLICATION_BARRIER_FAMILY).readAllVersions().setReversed(true)<a name="line.2052"></a> |
| <span class="sourceLineNo">2053</span> .setCaching(10);<a name="line.2053"></a> |
| <span class="sourceLineNo">2054</span> try (Table table = getMetaHTable(conn); ResultScanner scanner = table.getScanner(scan)) {<a name="line.2054"></a> |
| <span class="sourceLineNo">2055</span> for (Result result;;) {<a name="line.2055"></a> |
| <span class="sourceLineNo">2056</span> result = scanner.next();<a name="line.2056"></a> |
| <span class="sourceLineNo">2057</span> if (result == null) {<a name="line.2057"></a> |
| <span class="sourceLineNo">2058</span> return new ReplicationBarrierResult(new long[0], null, Collections.emptyList());<a name="line.2058"></a> |
| <span class="sourceLineNo">2059</span> }<a name="line.2059"></a> |
| <span class="sourceLineNo">2060</span> byte[] regionName = result.getRow();<a name="line.2060"></a> |
| <span class="sourceLineNo">2061</span> // TODO: we may look up a region which has already been split or merged so we need to check<a name="line.2061"></a> |
| <span class="sourceLineNo">2062</span> // whether the encoded name matches. Need to find a way to quit earlier when there is no<a name="line.2062"></a> |
| <span class="sourceLineNo">2063</span> // record for the given region, for now it will scan to the end of the table.<a name="line.2063"></a> |
| <span class="sourceLineNo">2064</span> if (!Bytes.equals(encodedRegionName,<a name="line.2064"></a> |
| <span class="sourceLineNo">2065</span> Bytes.toBytes(RegionInfo.encodeRegionName(regionName)))) {<a name="line.2065"></a> |
| <span class="sourceLineNo">2066</span> continue;<a name="line.2066"></a> |
| <span class="sourceLineNo">2067</span> }<a name="line.2067"></a> |
| <span class="sourceLineNo">2068</span> return getReplicationBarrierResult(result);<a name="line.2068"></a> |
| <span class="sourceLineNo">2069</span> }<a name="line.2069"></a> |
| <span class="sourceLineNo">2070</span> }<a name="line.2070"></a> |
| <span class="sourceLineNo">2071</span> }<a name="line.2071"></a> |
| <span class="sourceLineNo">2072</span><a name="line.2072"></a> |
| <span class="sourceLineNo">2073</span> public static long[] getReplicationBarrier(Connection conn, byte[] regionName)<a name="line.2073"></a> |
| <span class="sourceLineNo">2074</span> throws IOException {<a name="line.2074"></a> |
| <span class="sourceLineNo">2075</span> try (Table table = getMetaHTable(conn)) {<a name="line.2075"></a> |
| <span class="sourceLineNo">2076</span> Result result = table.get(new Get(regionName)<a name="line.2076"></a> |
| <span class="sourceLineNo">2077</span> .addColumn(HConstants.REPLICATION_BARRIER_FAMILY, HConstants.SEQNUM_QUALIFIER)<a name="line.2077"></a> |
| <span class="sourceLineNo">2078</span> .readAllVersions());<a name="line.2078"></a> |
| <span class="sourceLineNo">2079</span> return getReplicationBarriers(result);<a name="line.2079"></a> |
| <span class="sourceLineNo">2080</span> }<a name="line.2080"></a> |
| <span class="sourceLineNo">2081</span> }<a name="line.2081"></a> |
| <span class="sourceLineNo">2082</span><a name="line.2082"></a> |
| <span class="sourceLineNo">2083</span> public static List<Pair<String, Long>> getTableEncodedRegionNameAndLastBarrier(Connection conn,<a name="line.2083"></a> |
| <span class="sourceLineNo">2084</span> TableName tableName) throws IOException {<a name="line.2084"></a> |
| <span class="sourceLineNo">2085</span> List<Pair<String, Long>> list = new ArrayList<>();<a name="line.2085"></a> |
| <span class="sourceLineNo">2086</span> scanMeta(conn, getTableStartRowForMeta(tableName, QueryType.REPLICATION),<a name="line.2086"></a> |
| <span class="sourceLineNo">2087</span> getTableStopRowForMeta(tableName, QueryType.REPLICATION), QueryType.REPLICATION, r -> {<a name="line.2087"></a> |
| <span class="sourceLineNo">2088</span> byte[] value =<a name="line.2088"></a> |
| <span class="sourceLineNo">2089</span> r.getValue(HConstants.REPLICATION_BARRIER_FAMILY, HConstants.SEQNUM_QUALIFIER);<a name="line.2089"></a> |
| <span class="sourceLineNo">2090</span> if (value == null) {<a name="line.2090"></a> |
| <span class="sourceLineNo">2091</span> return true;<a name="line.2091"></a> |
| <span class="sourceLineNo">2092</span> }<a name="line.2092"></a> |
| <span class="sourceLineNo">2093</span> long lastBarrier = Bytes.toLong(value);<a name="line.2093"></a> |
| <span class="sourceLineNo">2094</span> String encodedRegionName = RegionInfo.encodeRegionName(r.getRow());<a name="line.2094"></a> |
| <span class="sourceLineNo">2095</span> list.add(Pair.newPair(encodedRegionName, lastBarrier));<a name="line.2095"></a> |
| <span class="sourceLineNo">2096</span> return true;<a name="line.2096"></a> |
| <span class="sourceLineNo">2097</span> });<a name="line.2097"></a> |
| <span class="sourceLineNo">2098</span> return list;<a name="line.2098"></a> |
| <span class="sourceLineNo">2099</span> }<a name="line.2099"></a> |
| <span class="sourceLineNo">2100</span><a name="line.2100"></a> |
| <span class="sourceLineNo">2101</span> public static List<String> getTableEncodedRegionNamesForSerialReplication(Connection conn,<a name="line.2101"></a> |
| <span class="sourceLineNo">2102</span> TableName tableName) throws IOException {<a name="line.2102"></a> |
| <span class="sourceLineNo">2103</span> List<String> list = new ArrayList<>();<a name="line.2103"></a> |
| <span class="sourceLineNo">2104</span> scanMeta(conn, getTableStartRowForMeta(tableName, QueryType.REPLICATION),<a name="line.2104"></a> |
| <span class="sourceLineNo">2105</span> getTableStopRowForMeta(tableName, QueryType.REPLICATION), QueryType.REPLICATION,<a name="line.2105"></a> |
| <span class="sourceLineNo">2106</span> new FirstKeyOnlyFilter(), Integer.MAX_VALUE, r -> {<a name="line.2106"></a> |
| <span class="sourceLineNo">2107</span> list.add(RegionInfo.encodeRegionName(r.getRow()));<a name="line.2107"></a> |
| <span class="sourceLineNo">2108</span> return true;<a name="line.2108"></a> |
| <span class="sourceLineNo">2109</span> });<a name="line.2109"></a> |
| <span class="sourceLineNo">2110</span> return list;<a name="line.2110"></a> |
| <span class="sourceLineNo">2111</span> }<a name="line.2111"></a> |
| <span class="sourceLineNo">2112</span><a name="line.2112"></a> |
| <span class="sourceLineNo">2113</span> private static void debugLogMutations(List<? extends Mutation> mutations) throws IOException {<a name="line.2113"></a> |
| <span class="sourceLineNo">2114</span> if (!METALOG.isDebugEnabled()) {<a name="line.2114"></a> |
| <span class="sourceLineNo">2115</span> return;<a name="line.2115"></a> |
| <span class="sourceLineNo">2116</span> }<a name="line.2116"></a> |
| <span class="sourceLineNo">2117</span> // Logging each mutation in separate line makes it easier to see diff between them visually<a name="line.2117"></a> |
| <span class="sourceLineNo">2118</span> // because of common starting indentation.<a name="line.2118"></a> |
| <span class="sourceLineNo">2119</span> for (Mutation mutation : mutations) {<a name="line.2119"></a> |
| <span class="sourceLineNo">2120</span> debugLogMutation(mutation);<a name="line.2120"></a> |
| <span class="sourceLineNo">2121</span> }<a name="line.2121"></a> |
| <span class="sourceLineNo">2122</span> }<a name="line.2122"></a> |
| <span class="sourceLineNo">2123</span><a name="line.2123"></a> |
| <span class="sourceLineNo">2124</span> private static void debugLogMutation(Mutation p) throws IOException {<a name="line.2124"></a> |
| <span class="sourceLineNo">2125</span> METALOG.debug("{} {}", p.getClass().getSimpleName(), p.toJSON());<a name="line.2125"></a> |
| <span class="sourceLineNo">2126</span> }<a name="line.2126"></a> |
| <span class="sourceLineNo">2127</span><a name="line.2127"></a> |
| <span class="sourceLineNo">2128</span> private static Put addSequenceNum(Put p, long openSeqNum, int replicaId) throws IOException {<a name="line.2128"></a> |
| <span class="sourceLineNo">2129</span> return p.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.2129"></a> |
| <span class="sourceLineNo">2130</span> .setRow(p.getRow())<a name="line.2130"></a> |
| <span class="sourceLineNo">2131</span> .setFamily(HConstants.CATALOG_FAMILY)<a name="line.2131"></a> |
| <span class="sourceLineNo">2132</span> .setQualifier(getSeqNumColumn(replicaId))<a name="line.2132"></a> |
| <span class="sourceLineNo">2133</span> .setTimestamp(p.getTimestamp())<a name="line.2133"></a> |
| <span class="sourceLineNo">2134</span> .setType(Type.Put)<a name="line.2134"></a> |
| <span class="sourceLineNo">2135</span> .setValue(Bytes.toBytes(openSeqNum))<a name="line.2135"></a> |
| <span class="sourceLineNo">2136</span> .build());<a name="line.2136"></a> |
| <span class="sourceLineNo">2137</span> }<a name="line.2137"></a> |
| <span class="sourceLineNo">2138</span>}<a name="line.2138"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
