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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.replication.regionserver;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Collection;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Collections;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.HashMap;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Map.Entry;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.TreeMap;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.UUID;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.Future;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.stream.Collectors;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.commons.lang3.StringUtils;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.conf.Configuration;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.Cell;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.TableName;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.AsyncClusterConnection;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.AsyncTable;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.ClusterConnectionFactory;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.Put;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RetriesExhaustedException;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.Row;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.FutureUtils;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.slf4j.Logger;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.slf4j.LoggerFactory;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.BulkLoadDescriptor;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span>/**<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * <p><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * This class is responsible for replicating the edits coming<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * from another cluster.<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * </p><p><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * This replication process is currently waiting for the edits to be applied<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * before the method can return. This means that the replication of edits<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * is synchronized (after reading from WALs in ReplicationSource) and that a<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * single region server cannot receive edits from two sources at the same time<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * </p><p><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * This class uses the native HBase client in order to replicate entries.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * </p><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> *<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * TODO make this class more like ReplicationSource wrt log handling<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span>@InterfaceAudience.Private<a name="line.81"></a> |
| <span class="sourceLineNo">082</span>public class ReplicationSink {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private static final Logger LOG = LoggerFactory.getLogger(ReplicationSink.class);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private final Configuration conf;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> // Volatile because of note in here -- look for double-checked locking:<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // http://www.oracle.com/technetwork/articles/javase/bloch-effective-08-qa-140880.html<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private volatile AsyncClusterConnection sharedConn;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> private final MetricsSink metrics;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private final AtomicLong totalReplicatedEdits = new AtomicLong();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private final Object sharedConnLock = new Object();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // Number of hfiles that we successfully replicated<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> private long hfilesReplicated = 0;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> private SourceFSConfigurationProvider provider;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> private WALEntrySinkFilter walEntrySinkFilter;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> /**<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * Row size threshold for multi requests above which a warning is logged<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> */<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> private final int rowSizeWarnThreshold;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> /**<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * Create a sink for replication<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * @param conf conf object<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * @throws IOException thrown when HDFS goes bad or bad file name<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> */<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> public ReplicationSink(Configuration conf)<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> throws IOException {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> this.conf = HBaseConfiguration.create(conf);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> rowSizeWarnThreshold = conf.getInt(<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> HConstants.BATCH_ROWS_THRESHOLD_NAME, HConstants.BATCH_ROWS_THRESHOLD_DEFAULT);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> decorateConf();<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> this.metrics = new MetricsSink();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> this.walEntrySinkFilter = setupWALEntrySinkFilter();<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> String className = conf.get("hbase.replication.source.fs.conf.provider",<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> DefaultSourceFSConfigurationProvider.class.getCanonicalName());<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> try {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> Class<? extends SourceFSConfigurationProvider> c =<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> Class.forName(className).asSubclass(SourceFSConfigurationProvider.class);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> this.provider = c.getDeclaredConstructor().newInstance();<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> } catch (Exception e) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> throw new IllegalArgumentException(<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> "Configured source fs configuration provider class " + className + " throws error.", e);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> private WALEntrySinkFilter setupWALEntrySinkFilter() throws IOException {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> Class<?> walEntryFilterClass =<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> this.conf.getClass(WALEntrySinkFilter.WAL_ENTRY_FILTER_KEY, null);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> WALEntrySinkFilter filter = null;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> try {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> filter = walEntryFilterClass == null? null:<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> (WALEntrySinkFilter)walEntryFilterClass.getDeclaredConstructor().newInstance();<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> } catch (Exception e) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> LOG.warn("Failed to instantiate " + walEntryFilterClass);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> if (filter != null) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> filter.init(getConnection());<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> return filter;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> /**<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> * decorate the Configuration object to make replication more receptive to delays:<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * lessen the timeout and numTries.<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> */<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> private void decorateConf() {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> this.conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> this.conf.getInt("replication.sink.client.retries.number", 4));<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> this.conf.setInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT,<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> this.conf.getInt("replication.sink.client.ops.timeout", 10000));<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> String replicationCodec = this.conf.get(HConstants.REPLICATION_CODEC_CONF_KEY);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (StringUtils.isNotEmpty(replicationCodec)) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> this.conf.set(HConstants.RPC_CODEC_CONF_KEY, replicationCodec);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // use server ZK cluster for replication, so we unset the client ZK related properties if any<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> if (this.conf.get(HConstants.CLIENT_ZOOKEEPER_QUORUM) != null) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> this.conf.unset(HConstants.CLIENT_ZOOKEEPER_QUORUM);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> /**<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> * Replicate this array of entries directly into the local cluster using the native client. Only<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> * operates against raw protobuf type saving on a conversion from pb to pojo.<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> * @param replicationClusterId Id which will uniquely identify source cluster FS client<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * configurations in the replication configuration directory<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> * @param sourceBaseNamespaceDirPath Path that point to the source cluster base namespace<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * directory<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * @param sourceHFileArchiveDirPath Path that point to the source cluster hfile archive directory<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * @throws IOException If failed to replicate the data<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> */<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> public void replicateEntries(List<WALEntry> entries, final CellScanner cells,<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> String replicationClusterId, String sourceBaseNamespaceDirPath,<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> String sourceHFileArchiveDirPath) throws IOException {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> if (entries.isEmpty()) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> return;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> // Very simple optimization where we batch sequences of rows going<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> // to the same table.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> try {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> long totalReplicated = 0;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> // Map of table => list of Rows, grouped by cluster id, we only want to flushCommits once per<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> // invocation of this method per table and cluster id.<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> Map<TableName, Map<List<UUID>, List<Row>>> rowMap = new TreeMap<>();<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> Map<List<String>, Map<String, List<Pair<byte[], List<String>>>>> bulkLoadsPerClusters = null;<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> for (WALEntry entry : entries) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> TableName table = TableName.valueOf(entry.getKey().getTableName().toByteArray());<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> if (this.walEntrySinkFilter != null) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> if (this.walEntrySinkFilter.filter(table, entry.getKey().getWriteTime())) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // Skip Cells in CellScanner associated with this entry.<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> int count = entry.getAssociatedCellCount();<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> for (int i = 0; i < count; i++) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> // Throw index out of bounds if our cell count is off<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> if (!cells.advance()) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> throw new ArrayIndexOutOfBoundsException("Expected=" + count + ", index=" + i);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> continue;<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> Cell previousCell = null;<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> Mutation mutation = null;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> int count = entry.getAssociatedCellCount();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> for (int i = 0; i < count; i++) {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // Throw index out of bounds if our cell count is off<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> if (!cells.advance()) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> throw new ArrayIndexOutOfBoundsException("Expected=" + count + ", index=" + i);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> Cell cell = cells.current();<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> // Handle bulk load hfiles replication<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> if (CellUtil.matchingQualifier(cell, WALEdit.BULK_LOAD)) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> BulkLoadDescriptor bld = WALEdit.getBulkLoadDescriptor(cell);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> if(bld.getReplicate()) {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> if (bulkLoadsPerClusters == null) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> bulkLoadsPerClusters = new HashMap<>();<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // Map of table name Vs list of pair of family and list of<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // hfile paths from its namespace<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> Map<String, List<Pair<byte[], List<String>>>> bulkLoadHFileMap =<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> bulkLoadsPerClusters.computeIfAbsent(bld.getClusterIdsList(), k -> new HashMap<>());<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> buildBulkLoadHFileMap(bulkLoadHFileMap, table, bld);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> } else {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> // Handle wal replication<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> if (isNewRowOrType(previousCell, cell)) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> // Create new mutation<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> mutation =<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> CellUtil.isDelete(cell) ? new Delete(cell.getRowArray(), cell.getRowOffset(),<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> cell.getRowLength()) : new Put(cell.getRowArray(), cell.getRowOffset(),<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> cell.getRowLength());<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> List<UUID> clusterIds = new ArrayList<>(entry.getKey().getClusterIdsList().size());<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> for (HBaseProtos.UUID clusterId : entry.getKey().getClusterIdsList()) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> clusterIds.add(toUUID(clusterId));<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> mutation.setClusterIds(clusterIds);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> mutation.setAttribute(ReplicationUtils.REPLICATION_ATTR_NAME,<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> HConstants.EMPTY_BYTE_ARRAY);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> addToHashMultiMap(rowMap, table, clusterIds, mutation);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> if (CellUtil.isDelete(cell)) {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> ((Delete) mutation).add(cell);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> } else {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> ((Put) mutation).add(cell);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> previousCell = cell;<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> totalReplicated++;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> // TODO Replicating mutations and bulk loaded data can be made parallel<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> if (!rowMap.isEmpty()) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> LOG.debug("Started replicating mutations.");<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> for (Entry<TableName, Map<List<UUID>, List<Row>>> entry : rowMap.entrySet()) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> batch(entry.getKey(), entry.getValue().values(), rowSizeWarnThreshold);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> LOG.debug("Finished replicating mutations.");<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> if(bulkLoadsPerClusters != null) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> for (Entry<List<String>, Map<String, List<Pair<byte[], List<String>>>>> entry :<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> bulkLoadsPerClusters.entrySet()) {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> Map<String, List<Pair<byte[], List<String>>>> bulkLoadHFileMap = entry.getValue();<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> if (bulkLoadHFileMap != null && !bulkLoadHFileMap.isEmpty()) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> LOG.debug("Replicating {} bulk loaded data", entry.getKey().toString());<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> Configuration providerConf = this.provider.getConf(this.conf, replicationClusterId);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> try (HFileReplicator hFileReplicator = new HFileReplicator(providerConf,<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> sourceBaseNamespaceDirPath, sourceHFileArchiveDirPath, bulkLoadHFileMap, conf,<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> getConnection(), entry.getKey())) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> hFileReplicator.replicate();<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> LOG.debug("Finished replicating {} bulk loaded data", entry.getKey().toString());<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<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><a name="line.277"></a> |
| <span class="sourceLineNo">278</span> int size = entries.size();<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> this.metrics.setAgeOfLastAppliedOp(entries.get(size - 1).getKey().getWriteTime());<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> this.metrics.applyBatch(size + hfilesReplicated, hfilesReplicated);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> this.totalReplicatedEdits.addAndGet(totalReplicated);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> } catch (IOException ex) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> LOG.error("Unable to accept edit because:", ex);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> throw ex;<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> }<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> private void buildBulkLoadHFileMap(<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> final Map<String, List<Pair<byte[], List<String>>>> bulkLoadHFileMap, TableName table,<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> BulkLoadDescriptor bld) throws IOException {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> List<StoreDescriptor> storesList = bld.getStoresList();<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> int storesSize = storesList.size();<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> for (int j = 0; j < storesSize; j++) {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> StoreDescriptor storeDescriptor = storesList.get(j);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> List<String> storeFileList = storeDescriptor.getStoreFileList();<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> int storeFilesSize = storeFileList.size();<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> hfilesReplicated += storeFilesSize;<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> for (int k = 0; k < storeFilesSize; k++) {<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> byte[] family = storeDescriptor.getFamilyName().toByteArray();<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> // Build hfile relative path from its namespace<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> String pathToHfileFromNS = getHFilePath(table, bld, storeFileList.get(k), family);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> String tableName = table.getNameWithNamespaceInclAsString();<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> List<Pair<byte[], List<String>>> familyHFilePathsList = bulkLoadHFileMap.get(tableName);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> if (familyHFilePathsList != null) {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> boolean foundFamily = false;<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> for (Pair<byte[], List<String>> familyHFilePathsPair : familyHFilePathsList) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> if (Bytes.equals(familyHFilePathsPair.getFirst(), family)) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> // Found family already present, just add the path to the existing list<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> familyHFilePathsPair.getSecond().add(pathToHfileFromNS);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> foundFamily = true;<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> break;<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> if (!foundFamily) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> // Family not found, add this family and its hfile paths pair to the list<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> addFamilyAndItsHFilePathToTableInMap(family, pathToHfileFromNS, familyHFilePathsList);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> } else {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> // Add this table entry into the map<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> addNewTableEntryInMap(bulkLoadHFileMap, family, pathToHfileFromNS, tableName);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> private void addFamilyAndItsHFilePathToTableInMap(byte[] family, String pathToHfileFromNS,<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> List<Pair<byte[], List<String>>> familyHFilePathsList) {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> List<String> hfilePaths = new ArrayList<>(1);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> hfilePaths.add(pathToHfileFromNS);<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> familyHFilePathsList.add(new Pair<>(family, hfilePaths));<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span><a name="line.333"></a> |
| <span class="sourceLineNo">334</span> private void addNewTableEntryInMap(<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> final Map<String, List<Pair<byte[], List<String>>>> bulkLoadHFileMap, byte[] family,<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> String pathToHfileFromNS, String tableName) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> List<String> hfilePaths = new ArrayList<>(1);<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> hfilePaths.add(pathToHfileFromNS);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> Pair<byte[], List<String>> newFamilyHFilePathsPair = new Pair<>(family, hfilePaths);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> List<Pair<byte[], List<String>>> newFamilyHFilePathsList = new ArrayList<>();<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> newFamilyHFilePathsList.add(newFamilyHFilePathsPair);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> bulkLoadHFileMap.put(tableName, newFamilyHFilePathsList);<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span><a name="line.344"></a> |
| <span class="sourceLineNo">345</span> private String getHFilePath(TableName table, BulkLoadDescriptor bld, String storeFile,<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> byte[] family) {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> return new StringBuilder(100).append(table.getNamespaceAsString()).append(Path.SEPARATOR)<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> .append(table.getQualifierAsString()).append(Path.SEPARATOR)<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> .append(Bytes.toString(bld.getEncodedRegionName().toByteArray())).append(Path.SEPARATOR)<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> .append(Bytes.toString(family)).append(Path.SEPARATOR).append(storeFile).toString();<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> }<a name="line.351"></a> |
| <span class="sourceLineNo">352</span><a name="line.352"></a> |
| <span class="sourceLineNo">353</span> /**<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> * @return True if we have crossed over onto a new row or type<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> */<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> private boolean isNewRowOrType(final Cell previousCell, final Cell cell) {<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> return previousCell == null || previousCell.getTypeByte() != cell.getTypeByte() ||<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> !CellUtil.matchingRows(previousCell, cell);<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span><a name="line.360"></a> |
| <span class="sourceLineNo">361</span> private java.util.UUID toUUID(final HBaseProtos.UUID uuid) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> return new java.util.UUID(uuid.getMostSigBits(), uuid.getLeastSigBits());<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> }<a name="line.363"></a> |
| <span class="sourceLineNo">364</span><a name="line.364"></a> |
| <span class="sourceLineNo">365</span> /**<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> * Simple helper to a map from key to (a list of) values<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> * TODO: Make a general utility method<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> * @return the list of values corresponding to key1 and key2<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> */<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> private <K1, K2, V> List<V> addToHashMultiMap(Map<K1, Map<K2,List<V>>> map, K1 key1,<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> K2 key2, V value) {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> Map<K2, List<V>> innerMap = map.computeIfAbsent(key1, k -> new HashMap<>());<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> List<V> values = innerMap.computeIfAbsent(key2, k -> new ArrayList<>());<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> values.add(value);<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> return values;<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> }<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> * stop the thread pool executor. It is called when the regionserver is stopped.<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> */<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> public void stopReplicationSinkServices() {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> try {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> if (this.sharedConn != null) {<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> synchronized (sharedConnLock) {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> if (this.sharedConn != null) {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> this.sharedConn.close();<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> this.sharedConn = null;<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> }<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> }<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> } catch (IOException e) {<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> LOG.warn("IOException while closing the connection", e); // ignoring as we are closing.<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> }<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> }<a name="line.394"></a> |
| <span class="sourceLineNo">395</span><a name="line.395"></a> |
| <span class="sourceLineNo">396</span><a name="line.396"></a> |
| <span class="sourceLineNo">397</span> /**<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> * Do the changes and handle the pool<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> * @param tableName table to insert into<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> * @param allRows list of actions<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> * @param batchRowSizeThreshold rowSize threshold for batch mutation<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> */<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> private void batch(TableName tableName, Collection<List<Row>> allRows, int batchRowSizeThreshold)<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> throws IOException {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> if (allRows.isEmpty()) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> return;<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> }<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> AsyncTable<?> table = getConnection().getTable(tableName);<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> List<Future<?>> futures = new ArrayList<>();<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> for (List<Row> rows : allRows) {<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> List<List<Row>> batchRows;<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> if (rows.size() > batchRowSizeThreshold) {<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> batchRows = Lists.partition(rows, batchRowSizeThreshold);<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> } else {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> batchRows = Collections.singletonList(rows);<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> futures.addAll(batchRows.stream().map(table::batchAll).collect(Collectors.toList()));<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> }<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> for (Future<?> future : futures) {<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> try {<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> FutureUtils.get(future);<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> } catch (RetriesExhaustedException e) {<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> if (e.getCause() instanceof TableNotFoundException) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> throw new TableNotFoundException("'" + tableName + "'");<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> throw e;<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><a name="line.430"></a> |
| <span class="sourceLineNo">431</span> private AsyncClusterConnection getConnection() throws IOException {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> // See https://en.wikipedia.org/wiki/Double-checked_locking<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> AsyncClusterConnection connection = sharedConn;<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> if (connection == null) {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> synchronized (sharedConnLock) {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> connection = sharedConn;<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> if (connection == null) {<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> connection = ClusterConnectionFactory.createAsyncClusterConnection(conf, null,<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> UserProvider.instantiate(conf).getCurrent());<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> sharedConn = connection;<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> }<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> return connection;<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> /**<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> * Get a string representation of this sink's metrics<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> * @return string with the total replicated edits count and the date<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> * of the last edit that was applied<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> */<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> public String getStats() {<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> long total = this.totalReplicatedEdits.get();<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> return total == 0 ? ""<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> : "Sink: " + "age in ms of last applied edit: " + this.metrics.refreshAgeOfLastAppliedOp() +<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> ", total replicated edits: " + total;<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> }<a name="line.457"></a> |
| <span class="sourceLineNo">458</span><a name="line.458"></a> |
| <span class="sourceLineNo">459</span> /**<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> * Get replication Sink Metrics<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> * @return MetricsSink<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> */<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> public MetricsSink getSinkMetrics() {<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> return this.metrics;<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> }<a name="line.465"></a> |
| <span class="sourceLineNo">466</span>}<a name="line.466"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
