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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;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static java.util.stream.Collectors.toList;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.ArrayList;<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.HashSet;<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.Set;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.SortedSet;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.TreeSet;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.stream.Collectors;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.conf.Configuration;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HConstants;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ServerName;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.zookeeper.KeeperException;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.zookeeper.KeeperException.BadVersionException;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.zookeeper.KeeperException.NoNodeException;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.zookeeper.KeeperException.NodeExistsException;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.zookeeper.KeeperException.NotEmptyException;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.zookeeper.data.Stat;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.org.apache.commons.collections4.CollectionUtils;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>/**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * ZK based replication queue storage.<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * <p><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * The base znode for each regionserver is the regionserver name. For example:<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> *<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * <pre><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * /hbase/replication/rs/hostname.example.org,6020,1234<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * </pre><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> *<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * Within this znode, the region server maintains a set of WAL replication queues. These queues are<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * represented by child znodes named using there give queue id. For example:<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> *<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * <pre><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * /hbase/replication/rs/hostname.example.org,6020,1234/1<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * /hbase/replication/rs/hostname.example.org,6020,1234/2<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * </pre><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> *<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * Each queue has one child znode for every WAL that still needs to be replicated. The value of<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * these WAL child znodes is the latest position that has been replicated. This position is updated<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * every time a WAL entry is replicated. For example:<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> *<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * <pre><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * /hbase/replication/rs/hostname.example.org,6020,1234/1/23522342.23422 [VALUE: 254]<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * </pre><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> */<a name="line.81"></a> |
| <span class="sourceLineNo">082</span>@InterfaceAudience.Private<a name="line.82"></a> |
| <span class="sourceLineNo">083</span>class ZKReplicationQueueStorage extends ZKReplicationStorageBase<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> implements ReplicationQueueStorage {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private static final Logger LOG = LoggerFactory.getLogger(ZKReplicationQueueStorage.class);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public static final String ZOOKEEPER_ZNODE_REPLICATION_HFILE_REFS_KEY =<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> "zookeeper.znode.replication.hfile.refs";<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public static final String ZOOKEEPER_ZNODE_REPLICATION_HFILE_REFS_DEFAULT = "hfile-refs";<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> public static final String ZOOKEEPER_ZNODE_REPLICATION_REGIONS_KEY =<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> "zookeeper.znode.replication.regions";<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public static final String ZOOKEEPER_ZNODE_REPLICATION_REGIONS_DEFAULT = "regions";<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> /**<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * The name of the znode that contains all replication queues<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> */<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> private final String queuesZNode;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> /**<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * The name of the znode that contains queues of hfile references to be replicated<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> */<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> private final String hfileRefsZNode;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> @VisibleForTesting<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> final String regionsZNode;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public ZKReplicationQueueStorage(ZKWatcher zookeeper, Configuration conf) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> super(zookeeper, conf);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> String queuesZNodeName = conf.get("zookeeper.znode.replication.rs", "rs");<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> String hfileRefsZNodeName = conf.get(ZOOKEEPER_ZNODE_REPLICATION_HFILE_REFS_KEY,<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> ZOOKEEPER_ZNODE_REPLICATION_HFILE_REFS_DEFAULT);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> this.queuesZNode = ZNodePaths.joinZNode(replicationZNode, queuesZNodeName);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> this.hfileRefsZNode = ZNodePaths.joinZNode(replicationZNode, hfileRefsZNodeName);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> this.regionsZNode = ZNodePaths.joinZNode(replicationZNode, conf<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> .get(ZOOKEEPER_ZNODE_REPLICATION_REGIONS_KEY, ZOOKEEPER_ZNODE_REPLICATION_REGIONS_DEFAULT));<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> @Override<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public String getRsNode(ServerName serverName) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> return ZNodePaths.joinZNode(queuesZNode, serverName.getServerName());<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> private String getQueueNode(ServerName serverName, String queueId) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> return ZNodePaths.joinZNode(getRsNode(serverName), queueId);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span><a name="line.129"></a> |
| <span class="sourceLineNo">130</span> private String getFileNode(String queueNode, String fileName) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> return ZNodePaths.joinZNode(queueNode, fileName);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> private String getFileNode(ServerName serverName, String queueId, String fileName) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> return getFileNode(getQueueNode(serverName, queueId), fileName);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> /**<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * <p><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * Put all regions under /hbase/replication/regions znode will lead to too many children because<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * of the huge number of regions in real production environment. So here we will distribute the<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * znodes to multiple directories.<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> * So the final znode path will be format like this:<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> *<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * <pre><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * /hbase/replication/regions/dd/04/e76a6966d4ffa908ed0586764767-100<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> * </pre><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> *<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * Here the full encoded region name is dd04e76a6966d4ffa908ed0586764767, and we use the first two<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * characters 'dd' as the first level directory name, and use the next two characters '04' as the<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * second level directory name, and the rest part as the prefix of the znode, and the suffix '100'<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * is the peer id.<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * </p><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * @param encodedRegionName the encoded region name.<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> * @param peerId peer id for replication.<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> * @return ZNode path to persist the max sequence id that we've pushed for the given region and<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> * peer.<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> */<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> @VisibleForTesting<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> String getSerialReplicationRegionPeerNode(String encodedRegionName, String peerId) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> if (encodedRegionName == null || encodedRegionName.length() != RegionInfo.MD5_HEX_LENGTH) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> throw new IllegalArgumentException(<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> "Invalid encoded region name: " + encodedRegionName + ", length should be 32.");<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> return new StringBuilder(regionsZNode).append(ZNodePaths.ZNODE_PATH_SEPARATOR)<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> .append(encodedRegionName, 0, 2).append(ZNodePaths.ZNODE_PATH_SEPARATOR)<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> .append(encodedRegionName, 2, 4).append(ZNodePaths.ZNODE_PATH_SEPARATOR)<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> .append(encodedRegionName, 4, encodedRegionName.length()).append("-").append(peerId)<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> .toString();<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> @Override<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> public void removeQueue(ServerName serverName, String queueId) throws ReplicationException {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> try {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> ZKUtil.deleteNodeRecursively(zookeeper, getQueueNode(serverName, queueId));<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> } catch (KeeperException e) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> throw new ReplicationException(<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> "Failed to delete queue (serverName=" + serverName + ", queueId=" + queueId + ")", e);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> @Override<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> public void addWAL(ServerName serverName, String queueId, String fileName)<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> throws ReplicationException {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> try {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> ZKUtil.createWithParents(zookeeper, getFileNode(serverName, queueId, fileName));<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> } catch (KeeperException e) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> throw new ReplicationException("Failed to add wal to queue (serverName=" + serverName<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> + ", queueId=" + queueId + ", fileName=" + fileName + ")", e);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> }<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span><a name="line.194"></a> |
| <span class="sourceLineNo">195</span> @Override<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> public void removeWAL(ServerName serverName, String queueId, String fileName)<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> throws ReplicationException {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> String fileNode = getFileNode(serverName, queueId, fileName);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> try {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> ZKUtil.deleteNode(zookeeper, fileNode);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> } catch (NoNodeException e) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> LOG.warn("{} already deleted when removing log", fileNode);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> } catch (KeeperException e) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> throw new ReplicationException("Failed to remove wal from queue (serverName=" + serverName +<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> ", queueId=" + queueId + ", fileName=" + fileName + ")", e);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<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> private void addLastSeqIdsToOps(String queueId, Map<String, Long> lastSeqIds,<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> List<ZKUtilOp> listOfOps) throws KeeperException, ReplicationException {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> String peerId = new ReplicationQueueInfo(queueId).getPeerId();<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> for (Entry<String, Long> lastSeqEntry : lastSeqIds.entrySet()) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> String path = getSerialReplicationRegionPeerNode(lastSeqEntry.getKey(), peerId);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> Pair<Long, Integer> p = getLastSequenceIdWithVersion(lastSeqEntry.getKey(), peerId);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> byte[] data = ZKUtil.positionToByteArray(lastSeqEntry.getValue());<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> if (p.getSecond() < 0) { // ZNode does not exist.<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> ZKUtil.createWithParents(zookeeper,<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> path.substring(0, path.lastIndexOf(ZNodePaths.ZNODE_PATH_SEPARATOR)));<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> listOfOps.add(ZKUtilOp.createAndFailSilent(path, data));<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> continue;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> // Perform CAS in a specific version v0 (HBASE-20138)<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> int v0 = p.getSecond();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> long lastPushedSeqId = p.getFirst();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> if (lastSeqEntry.getValue() <= lastPushedSeqId) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> continue;<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> listOfOps.add(ZKUtilOp.setData(path, data, v0));<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> @Override<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> public void setWALPosition(ServerName serverName, String queueId, String fileName, long position,<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> Map<String, Long> lastSeqIds) throws ReplicationException {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> try {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> for (int retry = 0;; retry++) {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> List<ZKUtilOp> listOfOps = new ArrayList<>();<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> if (position > 0) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> listOfOps.add(ZKUtilOp.setData(getFileNode(serverName, queueId, fileName),<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> ZKUtil.positionToByteArray(position)));<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> // Persist the max sequence id(s) of regions for serial replication atomically.<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> addLastSeqIdsToOps(queueId, lastSeqIds, listOfOps);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> if (listOfOps.isEmpty()) {<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> return;<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> }<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> try {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> ZKUtil.multiOrSequential(zookeeper, listOfOps, false);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> return;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> } catch (KeeperException.BadVersionException | KeeperException.NodeExistsException e) {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> LOG.warn(<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> "Bad version(or node exist) when persist the last pushed sequence id to zookeeper "<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> + "storage, Retry = " + retry + ", serverName=" + serverName + ", queueId="<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> + queueId + ", fileName=" + fileName);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> } catch (KeeperException e) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> throw new ReplicationException("Failed to set log position (serverName=" + serverName<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> + ", queueId=" + queueId + ", fileName=" + fileName + ", position=" + position + ")", e);<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> /**<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * Return the {lastPushedSequenceId, ZNodeDataVersion} pair. if ZNodeDataVersion is -1, it means<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> * that the ZNode does not exist.<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> */<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> @VisibleForTesting<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> protected Pair<Long, Integer> getLastSequenceIdWithVersion(String encodedRegionName,<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> String peerId) throws KeeperException {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> Stat stat = new Stat();<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> String path = getSerialReplicationRegionPeerNode(encodedRegionName, peerId);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> byte[] data = ZKUtil.getDataNoWatch(zookeeper, path, stat);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> if (data == null) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> // ZNode does not exist, so just return version -1 to indicate that no node exist.<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> return Pair.newPair(HConstants.NO_SEQNUM, -1);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> try {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> return Pair.newPair(ZKUtil.parseWALPositionFrom(data), stat.getVersion());<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> } catch (DeserializationException de) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> LOG.warn("Failed to parse log position (region=" + encodedRegionName + ", peerId=" + peerId<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> + "), data=" + Bytes.toStringBinary(data));<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> return Pair.newPair(HConstants.NO_SEQNUM, stat.getVersion());<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span><a name="line.285"></a> |
| <span class="sourceLineNo">286</span> @Override<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> public long getLastSequenceId(String encodedRegionName, String peerId)<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> throws ReplicationException {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> try {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> return getLastSequenceIdWithVersion(encodedRegionName, peerId).getFirst();<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> } catch (KeeperException e) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> throw new ReplicationException("Failed to get last pushed sequence id (encodedRegionName="<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> + encodedRegionName + ", peerId=" + peerId + ")", e);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span><a name="line.296"></a> |
| <span class="sourceLineNo">297</span> @Override<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> public void setLastSequenceIds(String peerId, Map<String, Long> lastSeqIds)<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> throws ReplicationException {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> try {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> // No need CAS and retry here, because it'll call setLastSequenceIds() for disabled peers<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> // only, so no conflict happen.<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> List<ZKUtilOp> listOfOps = new ArrayList<>();<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> for (Entry<String, Long> lastSeqEntry : lastSeqIds.entrySet()) {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> String path = getSerialReplicationRegionPeerNode(lastSeqEntry.getKey(), peerId);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> ZKUtil.createWithParents(zookeeper, path);<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> listOfOps.add(ZKUtilOp.setData(path, ZKUtil.positionToByteArray(lastSeqEntry.getValue())));<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> if (!listOfOps.isEmpty()) {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> ZKUtil.multiOrSequential(zookeeper, listOfOps, true);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> } catch (KeeperException e) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> throw new ReplicationException("Failed to set last sequence ids, peerId=" + peerId<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> + ", size of lastSeqIds=" + lastSeqIds.size(), e);<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> }<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span><a name="line.317"></a> |
| <span class="sourceLineNo">318</span> @Override<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> public void removeLastSequenceIds(String peerId) throws ReplicationException {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> String suffix = "-" + peerId;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> try {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> StringBuilder sb = new StringBuilder(regionsZNode);<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> int regionsZNodeLength = regionsZNode.length();<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> int levelOneLength = regionsZNodeLength + 3;<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> int levelTwoLength = levelOneLength + 3;<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> List<String> levelOneDirs = ZKUtil.listChildrenNoWatch(zookeeper, regionsZNode);<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> // it is possible that levelOneDirs is null if we haven't write any last pushed sequence ids<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> // yet, so we need an extra check here.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> if (CollectionUtils.isEmpty(levelOneDirs)) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> return;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> }<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> for (String levelOne : levelOneDirs) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> sb.append(ZNodePaths.ZNODE_PATH_SEPARATOR).append(levelOne);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> for (String levelTwo : ZKUtil.listChildrenNoWatch(zookeeper, sb.toString())) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> sb.append(ZNodePaths.ZNODE_PATH_SEPARATOR).append(levelTwo);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> for (String znode : ZKUtil.listChildrenNoWatch(zookeeper, sb.toString())) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> if (znode.endsWith(suffix)) {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> sb.append(ZNodePaths.ZNODE_PATH_SEPARATOR).append(znode);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> ZKUtil.deleteNode(zookeeper, sb.toString());<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> sb.setLength(levelTwoLength);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> }<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> sb.setLength(levelOneLength);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> sb.setLength(regionsZNodeLength);<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> } catch (KeeperException e) {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> throw new ReplicationException("Failed to remove all last sequence ids, peerId=" + peerId, e);<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><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> @Override<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> public void removeLastSequenceIds(String peerId, List<String> encodedRegionNames)<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> throws ReplicationException {<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> try {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> List<ZKUtilOp> listOfOps =<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> encodedRegionNames.stream().map(n -> getSerialReplicationRegionPeerNode(n, peerId))<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> .map(ZKUtilOp::deleteNodeFailSilent).collect(Collectors.toList());<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> ZKUtil.multiOrSequential(zookeeper, listOfOps, true);<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> } catch (KeeperException e) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> throw new ReplicationException("Failed to remove last sequence ids, peerId=" + peerId +<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> ", encodedRegionNames.size=" + encodedRegionNames.size(), e);<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> @Override<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> public long getWALPosition(ServerName serverName, String queueId, String fileName)<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> throws ReplicationException {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> byte[] bytes;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> try {<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> bytes = ZKUtil.getData(zookeeper, getFileNode(serverName, queueId, fileName));<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> } catch (KeeperException | InterruptedException e) {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> throw new ReplicationException("Failed to get log position (serverName=" + serverName +<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> ", queueId=" + queueId + ", fileName=" + fileName + ")", e);<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> }<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> try {<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> return ZKUtil.parseWALPositionFrom(bytes);<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> } catch (DeserializationException de) {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> LOG.warn("Failed parse log position (serverName={}, queueId={}, fileName={})",<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> serverName, queueId, fileName);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> // if we can not parse the position, start at the beginning of the wal file again<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> return 0;<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> @Override<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> public Pair<String, SortedSet<String>> claimQueue(ServerName sourceServerName, String queueId,<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> ServerName destServerName) throws ReplicationException {<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> LOG.info("Atomically moving {}/{}'s WALs to {}", sourceServerName, queueId, destServerName);<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> try {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> ZKUtil.createWithParents(zookeeper, getRsNode(destServerName));<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> } catch (KeeperException e) {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> throw new ReplicationException(<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> "Claim queue queueId=" + queueId + " from " + sourceServerName + " to " + destServerName +<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> " failed when creating the node for " + destServerName,<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> e);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> }<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> String newQueueId = queueId + "-" + sourceServerName;<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> try {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> String oldQueueNode = getQueueNode(sourceServerName, queueId);<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> List<String> wals = ZKUtil.listChildrenNoWatch(zookeeper, oldQueueNode);<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> if (CollectionUtils.isEmpty(wals)) {<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> ZKUtil.deleteNodeFailSilent(zookeeper, oldQueueNode);<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> LOG.info("Removed empty {}/{}", sourceServerName, queueId);<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> return new Pair<>(newQueueId, Collections.emptySortedSet());<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> String newQueueNode = getQueueNode(destServerName, newQueueId);<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> List<ZKUtilOp> listOfOps = new ArrayList<>();<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> SortedSet<String> logQueue = new TreeSet<>();<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> // create the new cluster znode<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> listOfOps.add(ZKUtilOp.createAndFailSilent(newQueueNode, HConstants.EMPTY_BYTE_ARRAY));<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> // get the offset of the logs and set it to new znodes<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> for (String wal : wals) {<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> String oldWalNode = getFileNode(oldQueueNode, wal);<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> byte[] logOffset = ZKUtil.getData(this.zookeeper, oldWalNode);<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> LOG.debug("Creating {} with data {}", wal, Bytes.toStringBinary(logOffset));<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> String newWalNode = getFileNode(newQueueNode, wal);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> listOfOps.add(ZKUtilOp.createAndFailSilent(newWalNode, logOffset));<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> listOfOps.add(ZKUtilOp.deleteNodeFailSilent(oldWalNode));<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> logQueue.add(wal);<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> // add delete op for peer<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> listOfOps.add(ZKUtilOp.deleteNodeFailSilent(oldQueueNode));<a name="line.423"></a> |
| <span class="sourceLineNo">424</span><a name="line.424"></a> |
| <span class="sourceLineNo">425</span> LOG.trace("The multi list size is {}", listOfOps.size());<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> ZKUtil.multiOrSequential(zookeeper, listOfOps, false);<a name="line.426"></a> |
| <span class="sourceLineNo">427</span><a name="line.427"></a> |
| <span class="sourceLineNo">428</span> LOG.info("Atomically moved {}/{}'s WALs to {}", sourceServerName, queueId, destServerName);<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> return new Pair<>(newQueueId, logQueue);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> } catch (NoNodeException | NodeExistsException | NotEmptyException | BadVersionException e) {<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> // Multi call failed; it looks like some other regionserver took away the logs.<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> // These exceptions mean that zk tells us the request can not be execute. So return an empty<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> // queue to tell the upper layer that claim nothing. For other types of exception should be<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> // thrown out to notify the upper layer.<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> LOG.info("Claim queue queueId={} from {} to {} failed with {}, someone else took the log?",<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> queueId,sourceServerName, destServerName, e.toString());<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> return new Pair<>(newQueueId, Collections.emptySortedSet());<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> } catch (KeeperException | InterruptedException e) {<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> throw new ReplicationException("Claim queue queueId=" + queueId + " from " +<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> sourceServerName + " to " + destServerName + " failed", e);<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> @Override<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> public void removeReplicatorIfQueueIsEmpty(ServerName serverName) throws ReplicationException {<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> try {<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> ZKUtil.deleteNodeFailSilent(zookeeper, getRsNode(serverName));<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> } catch (NotEmptyException e) {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> // keep silence to avoid logging too much.<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> } catch (KeeperException e) {<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> throw new ReplicationException("Failed to remove replicator for " + serverName, e);<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> private List<ServerName> getListOfReplicators0() throws KeeperException {<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> List<String> children = ZKUtil.listChildrenNoWatch(zookeeper, queuesZNode);<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> if (children == null) {<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> children = Collections.emptyList();<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> }<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> return children.stream().map(ServerName::parseServerName).collect(toList());<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> }<a name="line.461"></a> |
| <span class="sourceLineNo">462</span><a name="line.462"></a> |
| <span class="sourceLineNo">463</span> @Override<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> public List<ServerName> getListOfReplicators() throws ReplicationException {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> try {<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> return getListOfReplicators0();<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> } catch (KeeperException e) {<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> throw new ReplicationException("Failed to get list of replicators", e);<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> }<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> }<a name="line.470"></a> |
| <span class="sourceLineNo">471</span><a name="line.471"></a> |
| <span class="sourceLineNo">472</span> private List<String> getWALsInQueue0(ServerName serverName, String queueId)<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> throws KeeperException {<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> List<String> children = ZKUtil.listChildrenNoWatch(zookeeper, getQueueNode(serverName,<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> queueId));<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> return children != null ? children : Collections.emptyList();<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> }<a name="line.477"></a> |
| <span class="sourceLineNo">478</span><a name="line.478"></a> |
| <span class="sourceLineNo">479</span> @Override<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> public List<String> getWALsInQueue(ServerName serverName, String queueId)<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> throws ReplicationException {<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> try {<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> return getWALsInQueue0(serverName, queueId);<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> } catch (KeeperException e) {<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> throw new ReplicationException(<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> "Failed to get wals in queue (serverName=" + serverName + ", queueId=" + queueId + ")",<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> e);<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> private List<String> getAllQueues0(ServerName serverName) throws KeeperException {<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> List<String> children = ZKUtil.listChildrenNoWatch(zookeeper, getRsNode(serverName));<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> return children != null ? children : Collections.emptyList();<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> }<a name="line.494"></a> |
| <span class="sourceLineNo">495</span><a name="line.495"></a> |
| <span class="sourceLineNo">496</span> @Override<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> public List<String> getAllQueues(ServerName serverName) throws ReplicationException {<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> try {<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> return getAllQueues0(serverName);<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> } catch (KeeperException e) {<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> throw new ReplicationException("Failed to get all queues (serverName=" + serverName + ")", e);<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> }<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> }<a name="line.503"></a> |
| <span class="sourceLineNo">504</span><a name="line.504"></a> |
| <span class="sourceLineNo">505</span> // will be overridden in UTs<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> @VisibleForTesting<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> protected int getQueuesZNodeCversion() throws KeeperException {<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> Stat stat = new Stat();<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> ZKUtil.getDataNoWatch(this.zookeeper, this.queuesZNode, stat);<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> return stat.getCversion();<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> }<a name="line.511"></a> |
| <span class="sourceLineNo">512</span><a name="line.512"></a> |
| <span class="sourceLineNo">513</span> @Override<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> public Set<String> getAllWALs() throws ReplicationException {<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> try {<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> for (int retry = 0;; retry++) {<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> int v0 = getQueuesZNodeCversion();<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> List<ServerName> rss = getListOfReplicators0();<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> if (rss.isEmpty()) {<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> LOG.debug("Didn't find a RegionServer that replicates, won't prevent deletions.");<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> return Collections.emptySet();<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> }<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> Set<String> wals = new HashSet<>();<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> for (ServerName rs : rss) {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> for (String queueId : getAllQueues0(rs)) {<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> wals.addAll(getWALsInQueue0(rs, queueId));<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> }<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> }<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> int v1 = getQueuesZNodeCversion();<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> if (v0 == v1) {<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> return wals;<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> }<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> LOG.info("Replication queue node cversion changed from %d to %d, retry = %d",<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> v0, v1, retry);<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> }<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> } catch (KeeperException e) {<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> throw new ReplicationException("Failed to get all wals", e);<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> }<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> }<a name="line.539"></a> |
| <span class="sourceLineNo">540</span><a name="line.540"></a> |
| <span class="sourceLineNo">541</span> private String getHFileRefsPeerNode(String peerId) {<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> return ZNodePaths.joinZNode(hfileRefsZNode, peerId);<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> }<a name="line.543"></a> |
| <span class="sourceLineNo">544</span><a name="line.544"></a> |
| <span class="sourceLineNo">545</span> private String getHFileNode(String peerNode, String fileName) {<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> return ZNodePaths.joinZNode(peerNode, fileName);<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> }<a name="line.547"></a> |
| <span class="sourceLineNo">548</span><a name="line.548"></a> |
| <span class="sourceLineNo">549</span> @Override<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> public void addPeerToHFileRefs(String peerId) throws ReplicationException {<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> String peerNode = getHFileRefsPeerNode(peerId);<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> try {<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> if (ZKUtil.checkExists(zookeeper, peerNode) == -1) {<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> LOG.info("Adding peer {} to hfile reference queue.", peerId);<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> ZKUtil.createWithParents(zookeeper, peerNode);<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> }<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> } catch (KeeperException e) {<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> throw new ReplicationException("Failed to add peer " + peerId + " to hfile reference queue.",<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> e);<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> }<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> }<a name="line.561"></a> |
| <span class="sourceLineNo">562</span><a name="line.562"></a> |
| <span class="sourceLineNo">563</span> @Override<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> public void removePeerFromHFileRefs(String peerId) throws ReplicationException {<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> String peerNode = getHFileRefsPeerNode(peerId);<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> try {<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> if (ZKUtil.checkExists(zookeeper, peerNode) == -1) {<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> LOG.debug("Peer {} not found in hfile reference queue.", peerNode);<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> } else {<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> LOG.info("Removing peer {} from hfile reference queue.", peerNode);<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> ZKUtil.deleteNodeRecursively(zookeeper, peerNode);<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> }<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> } catch (KeeperException e) {<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> throw new ReplicationException(<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> "Failed to remove peer " + peerId + " from hfile reference queue.", e);<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> }<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> }<a name="line.577"></a> |
| <span class="sourceLineNo">578</span><a name="line.578"></a> |
| <span class="sourceLineNo">579</span> @Override<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> public void addHFileRefs(String peerId, List<Pair<Path, Path>> pairs)<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> throws ReplicationException {<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> String peerNode = getHFileRefsPeerNode(peerId);<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> LOG.debug("Adding hfile references {} in queue {}", pairs, peerNode);<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> List<ZKUtilOp> listOfOps = pairs.stream().map(p -> p.getSecond().getName())<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> .map(n -> getHFileNode(peerNode, n))<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> .map(f -> ZKUtilOp.createAndFailSilent(f, HConstants.EMPTY_BYTE_ARRAY)).collect(toList());<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> LOG.debug("The multi list size for adding hfile references in zk for node {} is {}",<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> peerNode, listOfOps.size());<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> try {<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> ZKUtil.multiOrSequential(this.zookeeper, listOfOps, true);<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> } catch (KeeperException e) {<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> throw new ReplicationException("Failed to add hfile reference to peer " + peerId, e);<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> }<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> }<a name="line.594"></a> |
| <span class="sourceLineNo">595</span><a name="line.595"></a> |
| <span class="sourceLineNo">596</span> @Override<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> public void removeHFileRefs(String peerId, List<String> files) throws ReplicationException {<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> String peerNode = getHFileRefsPeerNode(peerId);<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> LOG.debug("Removing hfile references {} from queue {}", files, peerNode);<a name="line.599"></a> |
| <span class="sourceLineNo">600</span><a name="line.600"></a> |
| <span class="sourceLineNo">601</span> List<ZKUtilOp> listOfOps = files.stream().map(n -> getHFileNode(peerNode, n))<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> .map(ZKUtilOp::deleteNodeFailSilent).collect(toList());<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> LOG.debug("The multi list size for removing hfile references in zk for node {} is {}",<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> peerNode, listOfOps.size());<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> try {<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> ZKUtil.multiOrSequential(this.zookeeper, listOfOps, true);<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> } catch (KeeperException e) {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> throw new ReplicationException("Failed to remove hfile reference from peer " + peerId, e);<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> }<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> }<a name="line.610"></a> |
| <span class="sourceLineNo">611</span><a name="line.611"></a> |
| <span class="sourceLineNo">612</span> private List<String> getAllPeersFromHFileRefsQueue0() throws KeeperException {<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> List<String> children = ZKUtil.listChildrenNoWatch(zookeeper, hfileRefsZNode);<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> return children != null ? children : Collections.emptyList();<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> }<a name="line.615"></a> |
| <span class="sourceLineNo">616</span><a name="line.616"></a> |
| <span class="sourceLineNo">617</span> @Override<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> public List<String> getAllPeersFromHFileRefsQueue() throws ReplicationException {<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> try {<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> return getAllPeersFromHFileRefsQueue0();<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> } catch (KeeperException e) {<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> throw new ReplicationException("Failed to get list of all peers in hfile references node.",<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> e);<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> }<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> }<a name="line.625"></a> |
| <span class="sourceLineNo">626</span><a name="line.626"></a> |
| <span class="sourceLineNo">627</span> private List<String> getReplicableHFiles0(String peerId) throws KeeperException {<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> List<String> children = ZKUtil.listChildrenNoWatch(this.zookeeper,<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> getHFileRefsPeerNode(peerId));<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> return children != null ? children : Collections.emptyList();<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> }<a name="line.631"></a> |
| <span class="sourceLineNo">632</span><a name="line.632"></a> |
| <span class="sourceLineNo">633</span> @Override<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> public List<String> getReplicableHFiles(String peerId) throws ReplicationException {<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> try {<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> return getReplicableHFiles0(peerId);<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> } catch (KeeperException e) {<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> throw new ReplicationException("Failed to get list of hfile references for peer " + peerId,<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> e);<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> }<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> }<a name="line.641"></a> |
| <span class="sourceLineNo">642</span><a name="line.642"></a> |
| <span class="sourceLineNo">643</span> // will be overridden in UTs<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> @VisibleForTesting<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> protected int getHFileRefsZNodeCversion() throws ReplicationException {<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> Stat stat = new Stat();<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> try {<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> ZKUtil.getDataNoWatch(zookeeper, hfileRefsZNode, stat);<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> } catch (KeeperException e) {<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> throw new ReplicationException("Failed to get stat of replication hfile references node.", e);<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> }<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> return stat.getCversion();<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> }<a name="line.653"></a> |
| <span class="sourceLineNo">654</span><a name="line.654"></a> |
| <span class="sourceLineNo">655</span> @Override<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> public Set<String> getAllHFileRefs() throws ReplicationException {<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> try {<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> for (int retry = 0;; retry++) {<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> int v0 = getHFileRefsZNodeCversion();<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> List<String> peers = getAllPeersFromHFileRefsQueue();<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> if (peers.isEmpty()) {<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> LOG.debug("Didn't find any peers with hfile references, won't prevent deletions.");<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> return Collections.emptySet();<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> }<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> Set<String> hfileRefs = new HashSet<>();<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> for (String peer : peers) {<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> hfileRefs.addAll(getReplicableHFiles0(peer));<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> }<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> int v1 = getHFileRefsZNodeCversion();<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> if (v0 == v1) {<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> return hfileRefs;<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> }<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> LOG.debug("Replication hfile references node cversion changed from %d to %d, retry = %d",<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> v0, v1, retry);<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> }<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> } catch (KeeperException e) {<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> throw new ReplicationException("Failed to get all hfile refs", e);<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> }<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
