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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.List;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.OptionalLong;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.UUID;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.concurrent.Executors;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.TimeUnit;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.conf.Configuration;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FileSystem;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.fs.Path;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.CompatibilitySingletonFactory;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HConstants;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.Server;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.TableName;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.ReplicationSinkService;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.regionserver.ReplicationSourceService;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.replication.ReplicationFactory;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.replication.ReplicationPeers;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.replication.ReplicationStorageFactory;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.replication.ReplicationTracker;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.replication.SyncReplicationState;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.wal.SyncReplicationWALProvider;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.wal.WALProvider;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.zookeeper.ZKClusterId;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.zookeeper.KeeperException;<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.util.concurrent.ThreadFactoryBuilder;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span>/**<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * Gateway to Replication. Used by {@link org.apache.hadoop.hbase.regionserver.HRegionServer}.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>@InterfaceAudience.Private<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>public class Replication implements ReplicationSourceService, ReplicationSinkService {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static final Logger LOG =<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> LoggerFactory.getLogger(Replication.class);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private boolean isReplicationForBulkLoadDataEnabled;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private ReplicationSourceManager replicationManager;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private ReplicationQueueStorage queueStorage;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private ReplicationPeers replicationPeers;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private ReplicationTracker replicationTracker;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private Configuration conf;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private ReplicationSink replicationSink;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private SyncReplicationPeerInfoProvider syncReplicationPeerInfoProvider;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> // Hosting server<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private Server server;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> /** Statistics thread schedule pool */<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private ScheduledExecutorService scheduleThreadPool;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private int statsThreadPeriod;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> // ReplicationLoad to access replication metrics<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private ReplicationLoad replicationLoad;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private MetricsReplicationGlobalSourceSource globalMetricsSource;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private PeerProcedureHandler peerProcedureHandler;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> /**<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * Empty constructor<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> */<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> public Replication() {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> @Override<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> public void initialize(Server server, FileSystem fs, Path logDir, Path oldLogDir,<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> WALProvider walProvider) throws IOException {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> this.server = server;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> this.conf = this.server.getConfiguration();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> this.isReplicationForBulkLoadDataEnabled =<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> ReplicationUtils.isReplicationForBulkLoadDataEnabled(this.conf);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> this.scheduleThreadPool = Executors.newScheduledThreadPool(1,<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> new ThreadFactoryBuilder()<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> .setNameFormat(server.getServerName().toShortString() + "Replication Statistics #%d")<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> .setDaemon(true)<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> .build());<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> if (this.isReplicationForBulkLoadDataEnabled) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> if (conf.get(HConstants.REPLICATION_CLUSTER_ID) == null<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> || conf.get(HConstants.REPLICATION_CLUSTER_ID).isEmpty()) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> throw new IllegalArgumentException(HConstants.REPLICATION_CLUSTER_ID<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> + " cannot be null/empty when " + HConstants.REPLICATION_BULKLOAD_ENABLE_KEY<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> + " is set to true.");<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> try {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> this.queueStorage =<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> ReplicationStorageFactory.getReplicationQueueStorage(server.getZooKeeper(), conf);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> this.replicationPeers =<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> ReplicationFactory.getReplicationPeers(server.getZooKeeper(), this.conf);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> this.replicationPeers.init();<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> this.replicationTracker =<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> ReplicationFactory.getReplicationTracker(server.getZooKeeper(), this.server, this.server);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> } catch (Exception e) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> throw new IOException("Failed replication handler create", e);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> UUID clusterId = null;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> try {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> clusterId = ZKClusterId.getUUIDForCluster(this.server.getZooKeeper());<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> } catch (KeeperException ke) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> throw new IOException("Could not read cluster id", ke);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> SyncReplicationPeerMappingManager mapping = new SyncReplicationPeerMappingManager();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> this.globalMetricsSource = CompatibilitySingletonFactory<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> .getInstance(MetricsReplicationSourceFactory.class).getGlobalSource();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> this.replicationManager = new ReplicationSourceManager(queueStorage, replicationPeers,<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> replicationTracker, conf, this.server, fs, logDir, oldLogDir, clusterId,<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> walProvider != null ? walProvider.getWALFileLengthProvider() : p -> OptionalLong.empty(),<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> mapping, globalMetricsSource);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> this.syncReplicationPeerInfoProvider =<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> new SyncReplicationPeerInfoProviderImpl(replicationPeers, mapping);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> PeerActionListener peerActionListener = PeerActionListener.DUMMY;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> if (walProvider != null) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> walProvider<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> .addWALActionsListener(new ReplicationSourceWALActionListener(conf, replicationManager));<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> if (walProvider instanceof SyncReplicationWALProvider) {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> SyncReplicationWALProvider syncWALProvider = (SyncReplicationWALProvider) walProvider;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> peerActionListener = syncWALProvider;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> syncWALProvider.setPeerInfoProvider(syncReplicationPeerInfoProvider);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> // for sync replication state change, we need to reload the state twice, you can see the<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> // code in PeerProcedureHandlerImpl, so here we need to go over the sync replication peers<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> // to see if any of them are in the middle of the two refreshes, if so, we need to manually<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // repeat the action we have done in the first refresh, otherwise when the second refresh<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> // comes we will be in trouble, such as NPE.<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> replicationPeers.getAllPeerIds().stream().map(replicationPeers::getPeer)<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> .filter(p -> p.getPeerConfig().isSyncReplication())<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> .filter(p -> p.getNewSyncReplicationState() != SyncReplicationState.NONE)<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> .forEach(p -> syncWALProvider.peerSyncReplicationStateChange(p.getId(),<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> p.getSyncReplicationState(), p.getNewSyncReplicationState(), 0));<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> this.statsThreadPeriod =<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> this.conf.getInt("replication.stats.thread.period.seconds", 5 * 60);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> LOG.debug("Replication stats-in-log period={} seconds", this.statsThreadPeriod);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> this.replicationLoad = new ReplicationLoad();<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> this.peerProcedureHandler =<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> new PeerProcedureHandlerImpl(replicationManager, peerActionListener);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> @Override<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> public PeerProcedureHandler getPeerProcedureHandler() {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> return peerProcedureHandler;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> /**<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * Stops replication service.<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 stopReplicationService() {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> join();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span><a name="line.178"></a> |
| <span class="sourceLineNo">179</span> /**<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * Join with the replication threads<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> */<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> public void join() {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> this.replicationManager.join();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> if (this.replicationSink != null) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> this.replicationSink.stopReplicationSinkServices();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> scheduleThreadPool.shutdown();<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> /**<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> * Carry on the list of log entries down to the sink<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * @param entries list of entries to replicate<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> * @param cells The data -- the cells -- that <code>entries</code> describes (the entries do not<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> * contain the Cells we are replicating; they are passed here on the side in this<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> * CellScanner).<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> * @param replicationClusterId Id which will uniquely identify source cluster FS client<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * configurations in the replication configuration directory<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * @param sourceBaseNamespaceDirPath Path that point to the source cluster base namespace<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * directory required for replicating hfiles<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> * @param sourceHFileArchiveDirPath Path that point to the source cluster hfile archive directory<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> * @throws IOException<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> */<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> @Override<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> public void replicateLogEntries(List<WALEntry> entries, CellScanner cells,<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> String replicationClusterId, String sourceBaseNamespaceDirPath,<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> String sourceHFileArchiveDirPath) throws IOException {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> this.replicationSink.replicateEntries(entries, cells, replicationClusterId,<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> sourceBaseNamespaceDirPath, sourceHFileArchiveDirPath);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> /**<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> * If replication is enabled and this cluster is a master,<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> * it starts<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * @throws IOException<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> */<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> @Override<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> public void startReplicationService() throws IOException {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> this.replicationManager.init();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> this.replicationSink = new ReplicationSink(this.conf);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> this.scheduleThreadPool.scheduleAtFixedRate(<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> new ReplicationStatisticsTask(this.replicationSink, this.replicationManager),<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> statsThreadPeriod, statsThreadPeriod, TimeUnit.SECONDS);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> LOG.info("{} started", this.server.toString());<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> /**<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * Get the replication sources manager<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * @return the manager if replication is enabled, else returns false<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> */<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public ReplicationSourceManager getReplicationManager() {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> return this.replicationManager;<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> void addHFileRefsToQueue(TableName tableName, byte[] family, List<Pair<Path, Path>> pairs)<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> throws IOException {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> try {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> this.replicationManager.addHFileRefs(tableName, family, pairs);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> } catch (IOException e) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> LOG.error("Failed to add hfile references in the replication queue.", e);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> throw e;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> }<a name="line.242"></a> |
| <span class="sourceLineNo">243</span><a name="line.243"></a> |
| <span class="sourceLineNo">244</span> /**<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * Statistics task. Periodically prints the cache statistics to the log.<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> */<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> private final static class ReplicationStatisticsTask implements Runnable {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> private final ReplicationSink replicationSink;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> private final ReplicationSourceManager replicationManager;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> public ReplicationStatisticsTask(ReplicationSink replicationSink,<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> ReplicationSourceManager replicationManager) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> this.replicationManager = replicationManager;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> this.replicationSink = replicationSink;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> @Override<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> public void run() {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> printStats(this.replicationManager.getStats());<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> printStats(this.replicationSink.getStats());<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> private void printStats(String stats) {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> if (!stats.isEmpty()) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> LOG.info(stats);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> }<a name="line.269"></a> |
| <span class="sourceLineNo">270</span><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> @Override<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> public ReplicationLoad refreshAndGetReplicationLoad() {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> if (this.replicationLoad == null) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> return null;<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> // always build for latest data<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> buildReplicationLoad();<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> return this.replicationLoad;<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> private void buildReplicationLoad() {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> List<ReplicationSourceInterface> allSources = new ArrayList<>();<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> allSources.addAll(this.replicationManager.getSources());<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> allSources.addAll(this.replicationManager.getOldSources());<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> // get sink<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> MetricsSink sinkMetrics = this.replicationSink.getSinkMetrics();<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> this.replicationLoad.buildReplicationLoad(allSources, sinkMetrics);<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span><a name="line.289"></a> |
| <span class="sourceLineNo">290</span> @Override<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> public SyncReplicationPeerInfoProvider getSyncReplicationPeerInfoProvider() {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> return syncReplicationPeerInfoProvider;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> @Override<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> public ReplicationPeers getReplicationPeers() {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> return replicationPeers;<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span>}<a name="line.299"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
