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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 static org.apache.hadoop.hbase.replication.ReplicationUtils.getAdaptiveTimeout;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.replication.ReplicationUtils.sleepForRetries;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.concurrent.PriorityBlockingQueue;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.atomic.LongAccumulator;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><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.Path;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.Cell;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HConstants;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.replication.ReplicationEndpoint;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.slf4j.Logger;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.slf4j.LoggerFactory;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.BulkLoadDescriptor;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span>/**<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * This thread reads entries from a queue and ships them. Entries are placed onto the queue by<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * ReplicationSourceWALReaderThread<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>@InterfaceAudience.Private<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>public class ReplicationSourceShipper extends Thread {<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private static final Logger LOG = LoggerFactory.getLogger(ReplicationSourceShipper.class);<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> // Hold the state of a replication worker thread<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public enum WorkerState {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> RUNNING,<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> STOPPED,<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> FINISHED, // The worker is done processing a queue<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> private final Configuration conf;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> protected final String walGroupId;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> protected final PriorityBlockingQueue<Path> queue;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private final ReplicationSource source;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> // Last position in the log that we sent to ZooKeeper<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // It will be accessed by the stats thread so make it volatile<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private volatile long currentPosition = -1;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // Path of the current log<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private Path currentPath;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> // Current state of the worker thread<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private volatile WorkerState state;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> protected ReplicationSourceWALReader entryReader;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> // How long should we sleep for each retry<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> protected final long sleepForRetries;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> // Maximum number of retries before taking bold actions<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> protected final int maxRetriesMultiplier;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private final int DEFAULT_TIMEOUT = 20000;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private final int getEntriesTimeout;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private final int shipEditsTimeout;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public ReplicationSourceShipper(Configuration conf, String walGroupId,<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> PriorityBlockingQueue<Path> queue, ReplicationSource source) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> this.conf = conf;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> this.walGroupId = walGroupId;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> this.queue = queue;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> this.source = source;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> this.sleepForRetries =<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> this.conf.getLong("replication.source.sleepforretries", 1000); // 1 second<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> this.maxRetriesMultiplier =<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> this.conf.getInt("replication.source.maxretriesmultiplier", 300); // 5 minutes @ 1 sec per<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> this.getEntriesTimeout =<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> this.conf.getInt("replication.source.getEntries.timeout", DEFAULT_TIMEOUT); // 20 seconds<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> this.shipEditsTimeout = this.conf.getInt(HConstants.REPLICATION_SOURCE_SHIPEDITS_TIMEOUT,<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> HConstants.REPLICATION_SOURCE_SHIPEDITS_TIMEOUT_DFAULT);<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> @Override<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> public final void run() {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> setWorkerState(WorkerState.RUNNING);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> LOG.info("Running ReplicationSourceShipper Thread for wal group: {}", this.walGroupId);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> // Loop until we close down<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> while (isActive()) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // Sleep until replication is enabled again<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> if (!source.isPeerEnabled()) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> // The peer enabled check is in memory, not expensive, so do not need to increase the<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> // sleep interval as it may cause a long lag when we enable the peer.<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> sleepForRetries("Replication is disabled", sleepForRetries, 1, maxRetriesMultiplier);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> continue;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> try {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> WALEntryBatch entryBatch = entryReader.poll(getEntriesTimeout);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> LOG.debug("Shipper from source {} got entry batch from reader: {}",<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> source.getQueueId(), entryBatch);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> if (entryBatch == null) {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> continue;<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> // the NO_MORE_DATA instance has no path so do not call shipEdits<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> if (entryBatch == WALEntryBatch.NO_MORE_DATA) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> noMoreData();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> } else {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> shipEdits(entryBatch);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> } catch (InterruptedException | ReplicationRuntimeException e) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // It is interrupted and needs to quit.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> LOG.warn("Interrupted while waiting for next replication entry batch", e);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> Thread.currentThread().interrupt();<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> // If the worker exits run loop without finishing its task, mark it as stopped.<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> if (!isFinished()) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> setWorkerState(WorkerState.STOPPED);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> } else {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> source.removeWorker(this);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> postFinish();<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<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> private void noMoreData() {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> if (source.isRecovered()) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> LOG.debug("Finished recovering queue for group {} of peer {}", walGroupId,<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> source.getQueueId());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> source.getSourceMetrics().incrCompletedRecoveryQueue();<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> } else {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> LOG.debug("Finished queue for group {} of peer {}", walGroupId, source.getQueueId());<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> setWorkerState(WorkerState.FINISHED);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> // To be implemented by recovered shipper<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> protected void postFinish() {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> /**<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * get batchEntry size excludes bulk load file sizes.<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * Uses ReplicationSourceWALReader's static method.<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> */<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> private int getBatchEntrySizeExcludeBulkLoad(WALEntryBatch entryBatch) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> int totalSize = 0;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> for(Entry entry : entryBatch.getWalEntries()) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> totalSize += ReplicationSourceWALReader.getEntrySizeExcludeBulkLoad(entry);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> return totalSize;<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<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> * Do the shipping logic<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> */<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> private void shipEdits(WALEntryBatch entryBatch) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> List<Entry> entries = entryBatch.getWalEntries();<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> int sleepMultiplier = 0;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> if (entries.isEmpty()) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> updateLogPosition(entryBatch);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> return;<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> int currentSize = (int) entryBatch.getHeapSize();<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> int sizeExcludeBulkLoad = getBatchEntrySizeExcludeBulkLoad(entryBatch);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> source.getSourceMetrics().setTimeStampNextToReplicate(entries.get(entries.size() - 1)<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> .getKey().getWriteTime());<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> while (isActive()) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> try {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> try {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> source.tryThrottle(currentSize);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> } catch (InterruptedException e) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> LOG.debug("Interrupted while sleeping for throttling control");<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> Thread.currentThread().interrupt();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> // current thread might be interrupted to terminate<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> // directly go back to while() for confirm this<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> continue;<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> // create replicateContext here, so the entries can be GC'd upon return from this call<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // stack<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> ReplicationEndpoint.ReplicateContext replicateContext =<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> new ReplicationEndpoint.ReplicateContext();<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> replicateContext.setEntries(entries).setSize(currentSize);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> replicateContext.setWalGroupId(walGroupId);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> replicateContext.setTimeout(getAdaptiveTimeout(this.shipEditsTimeout, sleepMultiplier));<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> long startTimeNs = System.nanoTime();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> // send the edits to the endpoint. Will block until the edits are shipped and acknowledged<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> boolean replicated = source.getReplicationEndpoint().replicate(replicateContext);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> long endTimeNs = System.nanoTime();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> if (!replicated) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> continue;<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> } else {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> sleepMultiplier = Math.max(sleepMultiplier - 1, 0);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> // Clean up hfile references<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> for (Entry entry : entries) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> cleanUpHFileRefs(entry.getEdit());<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> LOG.trace("shipped entry {}: ", entry);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> }<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> // Log and clean up WAL logs<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> updateLogPosition(entryBatch);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> //offsets totalBufferUsed by deducting shipped batchSize (excludes bulk load size)<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> //this sizeExcludeBulkLoad has to use same calculation that when calling<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> //acquireBufferQuota() in ReplicationSourceWALReader because they maintain<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> //same variable: totalBufferUsed<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> source.postShipEdits(entries, sizeExcludeBulkLoad);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> // FIXME check relationship between wal group and overall<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> source.getSourceMetrics().shipBatch(entryBatch.getNbOperations(), currentSize,<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> entryBatch.getNbHFiles());<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> source.getSourceMetrics().setAgeOfLastShippedOp(<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> entries.get(entries.size() - 1).getKey().getWriteTime(), walGroupId);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> source.getSourceMetrics().updateTableLevelMetrics(entryBatch.getWalEntriesWithSize());<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> if (LOG.isTraceEnabled()) {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> LOG.debug("Replicated {} entries or {} operations in {} ms",<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> entries.size(), entryBatch.getNbOperations(), (endTimeNs - startTimeNs) / 1000000);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> break;<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> } catch (Exception ex) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> LOG.warn("{} threw unknown exception:",<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> source.getReplicationEndpoint().getClass().getName(), ex);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> if (sleepForRetries("ReplicationEndpoint threw exception", sleepForRetries, sleepMultiplier,<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> maxRetriesMultiplier)) {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> sleepMultiplier++;<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> }<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<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> private void cleanUpHFileRefs(WALEdit edit) throws IOException {<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> String peerId = source.getPeerId();<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> if (peerId.contains("-")) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> // peerClusterZnode will be in the form peerId + "-" + rsZNode.<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> // A peerId will not have "-" in its name, see HBASE-11394<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> peerId = peerId.split("-")[0];<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> List<Cell> cells = edit.getCells();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> int totalCells = cells.size();<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> for (int i = 0; i < totalCells; i++) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> Cell cell = cells.get(i);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> if (CellUtil.matchingQualifier(cell, WALEdit.BULK_LOAD)) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> BulkLoadDescriptor bld = WALEdit.getBulkLoadDescriptor(cell);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> List<StoreDescriptor> stores = bld.getStoresList();<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> int totalStores = stores.size();<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> for (int j = 0; j < totalStores; j++) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> List<String> storeFileList = stores.get(j).getStoreFileList();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> source.getSourceManager().cleanUpHFileRefs(peerId, storeFileList);<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> source.getSourceMetrics().decrSizeOfHFileRefsQueue(storeFileList.size());<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> private boolean updateLogPosition(WALEntryBatch batch) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> boolean updated = false;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> // if end of file is true, then the logPositionAndCleanOldLogs method will remove the file<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> // record on zk, so let's call it. The last wal position maybe zero if end of file is true and<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> // there is no entry in the batch. It is OK because that the queue storage will ignore the zero<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> // position and the file will be removed soon in cleanOldLogs.<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> if (batch.isEndOfFile() || !batch.getLastWalPath().equals(currentPath) ||<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> batch.getLastWalPosition() != currentPosition) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> source.getSourceManager().logPositionAndCleanOldLogs(source, batch);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> updated = true;<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> // if end of file is true, then we can just skip to the next file in queue.<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> // the only exception is for recovered queue, if we reach the end of the queue, then there will<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> // no more files so here the currentPath may be null.<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (batch.isEndOfFile()) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> currentPath = entryReader.getCurrentPath();<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> currentPosition = 0L;<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> } else {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> currentPath = batch.getLastWalPath();<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> currentPosition = batch.getLastWalPosition();<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> return updated;<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span><a name="line.291"></a> |
| <span class="sourceLineNo">292</span> public void startup(UncaughtExceptionHandler handler) {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> String name = Thread.currentThread().getName();<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> Threads.setDaemonThreadRunning(this,<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> name + ".replicationSource.shipper" + walGroupId + "," + source.getQueueId(),<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> handler::uncaughtException);<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> Path getCurrentPath() {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> return entryReader.getCurrentPath();<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> }<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> long getCurrentPosition() {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> return currentPosition;<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span> void setWALReader(ReplicationSourceWALReader entryReader) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> this.entryReader = entryReader;<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> long getStartPosition() {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> return 0;<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span><a name="line.314"></a> |
| <span class="sourceLineNo">315</span> protected boolean isActive() {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> return source.isSourceActive() && state == WorkerState.RUNNING && !isInterrupted();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> protected final void setWorkerState(WorkerState state) {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> this.state = state;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> void stopWorker() {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> setWorkerState(WorkerState.STOPPED);<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> public boolean isFinished() {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> return state == WorkerState.FINISHED;<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> }<a name="line.329"></a> |
| <span class="sourceLineNo">330</span><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> /**<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> * Attempts to properly update <code>ReplicationSourceManager.totalBufferUser</code>,<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> * in case there were unprocessed entries batched by the reader to the shipper,<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> * but the shipper didn't manage to ship those because the replication source is being terminated.<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> * In that case, it iterates through the batched entries and decrease the pending<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> * entries size from <code>ReplicationSourceManager.totalBufferUser</code><a name="line.336"></a> |
| <span class="sourceLineNo">337</span> * <p/><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> * <b>NOTES</b><a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * 1) This method should only be called upon replication source termination.<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * It blocks waiting for both shipper and reader threads termination,<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * to make sure no race conditions<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> * when updating <code>ReplicationSourceManager.totalBufferUser</code>.<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> *<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> * 2) It <b>does not</b> attempt to terminate reader and shipper threads. Those <b>must</b><a name="line.344"></a> |
| <span class="sourceLineNo">345</span> * have been triggered interruption/termination prior to calling this method.<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> */<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> void clearWALEntryBatch() {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> long timeout = System.currentTimeMillis() + this.shipEditsTimeout;<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> while(this.isAlive() || this.entryReader.isAlive()){<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> try {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> if (System.currentTimeMillis() >= timeout) {<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> LOG.warn("Interrupting source thread for peer {} without cleaning buffer usage "<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> + "because clearWALEntryBatch method timed out whilst waiting reader/shipper "<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> + "thread to stop.", this.source.getPeerId());<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> Thread.currentThread().interrupt();<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> } else {<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> // Wait both shipper and reader threads to stop<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> Thread.sleep(this.sleepForRetries);<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> } catch (InterruptedException e) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> LOG.warn("{} Interrupted while waiting {} to stop on clearWALEntryBatch: {}",<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> this.source.getPeerId(), this.getName(), e);<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> Thread.currentThread().interrupt();<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> LongAccumulator totalToDecrement = new LongAccumulator((a,b) -> a + b, 0);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> entryReader.entryBatchQueue.forEach(w -> {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> entryReader.entryBatchQueue.remove(w);<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> w.getWalEntries().forEach(e -> {<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> long entrySizeExcludeBulkLoad = entryReader.getEntrySizeExcludeBulkLoad(e);<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> totalToDecrement.accumulate(entrySizeExcludeBulkLoad);<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> });<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> });<a name="line.373"></a> |
| <span class="sourceLineNo">374</span><a name="line.374"></a> |
| <span class="sourceLineNo">375</span> LOG.trace("Decrementing totalBufferUsed by {}B while stopping Replication WAL Readers.",<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> totalToDecrement.longValue());<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> source.getSourceManager().getTotalBufferUsed().addAndGet(-totalToDecrement.longValue());<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> }<a name="line.378"></a> |
| <span class="sourceLineNo">379</span>}<a name="line.379"></a> |
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| </div> |
| </body> |
| </html> |
