http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7f23ee04/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.WorkerState.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.WorkerState.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.WorkerState.html new file mode 100644 index 0000000..aa96a74 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.WorkerState.html @@ -0,0 +1,431 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> +<span class="sourceLineNo">002</span> *<a name="line.2"></a> +<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> +<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> +<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> +<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> +<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> +<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> +<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> +<span class="sourceLineNo">010</span> *<a name="line.10"></a> +<span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> +<span class="sourceLineNo">012</span> *<a name="line.12"></a> +<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> +<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> +<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> +<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> +<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> +<span class="sourceLineNo">018</span> */<a name="line.18"></a> +<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.replication.regionserver;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.io.IOException;<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.Map;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.concurrent.PriorityBlockingQueue;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.concurrent.TimeUnit;<a name="line.25"></a> +<span class="sourceLineNo">026</span><a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.commons.logging.LogFactory;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<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.Cell;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.regionserver.wal.WALEdit;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.replication.ReplicationEndpoint;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceWALReader.WALEntryBatch;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.BulkLoadDescriptor;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span>import com.google.common.cache.CacheBuilder;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import com.google.common.cache.CacheLoader;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import com.google.common.cache.LoadingCache;<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span>/**<a name="line.49"></a> +<span class="sourceLineNo">050</span> * This thread reads entries from a queue and ships them. Entries are placed onto the queue by<a name="line.50"></a> +<span class="sourceLineNo">051</span> * ReplicationSourceWALReaderThread<a name="line.51"></a> +<span class="sourceLineNo">052</span> */<a name="line.52"></a> +<span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a> +<span class="sourceLineNo">054</span>public class ReplicationSourceShipper extends Thread {<a name="line.54"></a> +<span class="sourceLineNo">055</span> private static final Log LOG = LogFactory.getLog(ReplicationSourceShipper.class);<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span> // Hold the state of a replication worker thread<a name="line.57"></a> +<span class="sourceLineNo">058</span> public enum WorkerState {<a name="line.58"></a> +<span class="sourceLineNo">059</span> RUNNING,<a name="line.59"></a> +<span class="sourceLineNo">060</span> STOPPED,<a name="line.60"></a> +<span class="sourceLineNo">061</span> FINISHED, // The worker is done processing a recovered queue<a name="line.61"></a> +<span class="sourceLineNo">062</span> }<a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> protected final Configuration conf;<a name="line.64"></a> +<span class="sourceLineNo">065</span> protected final String walGroupId;<a name="line.65"></a> +<span class="sourceLineNo">066</span> protected final PriorityBlockingQueue<Path> queue;<a name="line.66"></a> +<span class="sourceLineNo">067</span> protected final ReplicationSourceInterface source;<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> // Last position in the log that we sent to ZooKeeper<a name="line.69"></a> +<span class="sourceLineNo">070</span> protected long lastLoggedPosition = -1;<a name="line.70"></a> +<span class="sourceLineNo">071</span> // Path of the current log<a name="line.71"></a> +<span class="sourceLineNo">072</span> protected volatile Path currentPath;<a name="line.72"></a> +<span class="sourceLineNo">073</span> // Current state of the worker thread<a name="line.73"></a> +<span class="sourceLineNo">074</span> private WorkerState state;<a name="line.74"></a> +<span class="sourceLineNo">075</span> protected ReplicationSourceWALReader entryReader;<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span> // How long should we sleep for each retry<a name="line.77"></a> +<span class="sourceLineNo">078</span> protected final long sleepForRetries;<a name="line.78"></a> +<span class="sourceLineNo">079</span> // Maximum number of retries before taking bold actions<a name="line.79"></a> +<span class="sourceLineNo">080</span> protected final int maxRetriesMultiplier;<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> // Use guava cache to set ttl for each key<a name="line.82"></a> +<span class="sourceLineNo">083</span> private final LoadingCache<String, Boolean> canSkipWaitingSet = CacheBuilder.newBuilder()<a name="line.83"></a> +<span class="sourceLineNo">084</span> .expireAfterAccess(1, TimeUnit.DAYS).build(<a name="line.84"></a> +<span class="sourceLineNo">085</span> new CacheLoader<String, Boolean>() {<a name="line.85"></a> +<span class="sourceLineNo">086</span> @Override<a name="line.86"></a> +<span class="sourceLineNo">087</span> public Boolean load(String key) throws Exception {<a name="line.87"></a> +<span class="sourceLineNo">088</span> return false;<a name="line.88"></a> +<span class="sourceLineNo">089</span> }<a name="line.89"></a> +<span class="sourceLineNo">090</span> }<a name="line.90"></a> +<span class="sourceLineNo">091</span> );<a name="line.91"></a> +<span class="sourceLineNo">092</span><a name="line.92"></a> +<span class="sourceLineNo">093</span> public ReplicationSourceShipper(Configuration conf, String walGroupId,<a name="line.93"></a> +<span class="sourceLineNo">094</span> PriorityBlockingQueue<Path> queue, ReplicationSourceInterface source) {<a name="line.94"></a> +<span class="sourceLineNo">095</span> this.conf = conf;<a name="line.95"></a> +<span class="sourceLineNo">096</span> this.walGroupId = walGroupId;<a name="line.96"></a> +<span class="sourceLineNo">097</span> this.queue = queue;<a name="line.97"></a> +<span class="sourceLineNo">098</span> this.source = source;<a name="line.98"></a> +<span class="sourceLineNo">099</span> this.sleepForRetries =<a name="line.99"></a> +<span class="sourceLineNo">100</span> this.conf.getLong("replication.source.sleepforretries", 1000); // 1 second<a name="line.100"></a> +<span class="sourceLineNo">101</span> this.maxRetriesMultiplier =<a name="line.101"></a> +<span class="sourceLineNo">102</span> this.conf.getInt("replication.source.maxretriesmultiplier", 300); // 5 minutes @ 1 sec per<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> @Override<a name="line.105"></a> +<span class="sourceLineNo">106</span> public void run() {<a name="line.106"></a> +<span class="sourceLineNo">107</span> setWorkerState(WorkerState.RUNNING);<a name="line.107"></a> +<span class="sourceLineNo">108</span> // Loop until we close down<a name="line.108"></a> +<span class="sourceLineNo">109</span> while (isActive()) {<a name="line.109"></a> +<span class="sourceLineNo">110</span> int sleepMultiplier = 1;<a name="line.110"></a> +<span class="sourceLineNo">111</span> // Sleep until replication is enabled again<a name="line.111"></a> +<span class="sourceLineNo">112</span> if (!source.isPeerEnabled()) {<a name="line.112"></a> +<span class="sourceLineNo">113</span> if (sleepForRetries("Replication is disabled", sleepMultiplier)) {<a name="line.113"></a> +<span class="sourceLineNo">114</span> sleepMultiplier++;<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<a name="line.115"></a> +<span class="sourceLineNo">116</span> continue;<a name="line.116"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span><a name="line.118"></a> +<span class="sourceLineNo">119</span> while (entryReader == null) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (sleepForRetries("Replication WAL entry reader thread not initialized",<a name="line.120"></a> +<span class="sourceLineNo">121</span> sleepMultiplier)) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> sleepMultiplier++;<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<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> try {<a name="line.126"></a> +<span class="sourceLineNo">127</span> WALEntryBatch entryBatch = entryReader.take();<a name="line.127"></a> +<span class="sourceLineNo">128</span> for (Map.Entry<String, Long> entry : entryBatch.getLastSeqIds().entrySet()) {<a name="line.128"></a> +<span class="sourceLineNo">129</span> waitingUntilCanPush(entry);<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span> shipEdits(entryBatch);<a name="line.131"></a> +<span class="sourceLineNo">132</span> } catch (InterruptedException e) {<a name="line.132"></a> +<span class="sourceLineNo">133</span> LOG.trace("Interrupted while waiting for next replication entry batch", e);<a name="line.133"></a> +<span class="sourceLineNo">134</span> Thread.currentThread().interrupt();<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> // If the worker exits run loop without finishing its task, mark it as stopped.<a name="line.137"></a> +<span class="sourceLineNo">138</span> if (state != WorkerState.FINISHED) {<a name="line.138"></a> +<span class="sourceLineNo">139</span> setWorkerState(WorkerState.STOPPED);<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> /**<a name="line.143"></a> +<span class="sourceLineNo">144</span> * Do the shipping logic<a name="line.144"></a> +<span class="sourceLineNo">145</span> */<a name="line.145"></a> +<span class="sourceLineNo">146</span> protected void shipEdits(WALEntryBatch entryBatch) {<a name="line.146"></a> +<span class="sourceLineNo">147</span> List<Entry> entries = entryBatch.getWalEntries();<a name="line.147"></a> +<span class="sourceLineNo">148</span> long lastReadPosition = entryBatch.getLastWalPosition();<a name="line.148"></a> +<span class="sourceLineNo">149</span> currentPath = entryBatch.getLastWalPath();<a name="line.149"></a> +<span class="sourceLineNo">150</span> int sleepMultiplier = 0;<a name="line.150"></a> +<span class="sourceLineNo">151</span> if (entries.isEmpty()) {<a name="line.151"></a> +<span class="sourceLineNo">152</span> if (lastLoggedPosition != lastReadPosition) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> // Save positions to meta table before zk.<a name="line.153"></a> +<span class="sourceLineNo">154</span> updateSerialRepPositions(entryBatch.getLastSeqIds());<a name="line.154"></a> +<span class="sourceLineNo">155</span> updateLogPosition(lastReadPosition);<a name="line.155"></a> +<span class="sourceLineNo">156</span> // if there was nothing to ship and it's not an error<a name="line.156"></a> +<span class="sourceLineNo">157</span> // set "ageOfLastShippedOp" to <now> to indicate that we're current<a name="line.157"></a> +<span class="sourceLineNo">158</span> source.getSourceMetrics().setAgeOfLastShippedOp(EnvironmentEdgeManager.currentTime(),<a name="line.158"></a> +<span class="sourceLineNo">159</span> walGroupId);<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> return;<a name="line.161"></a> +<span class="sourceLineNo">162</span> }<a name="line.162"></a> +<span class="sourceLineNo">163</span> int currentSize = (int) entryBatch.getHeapSize();<a name="line.163"></a> +<span class="sourceLineNo">164</span> while (isActive()) {<a name="line.164"></a> +<span class="sourceLineNo">165</span> try {<a name="line.165"></a> +<span class="sourceLineNo">166</span> try {<a name="line.166"></a> +<span class="sourceLineNo">167</span> source.tryThrottle(currentSize);<a name="line.167"></a> +<span class="sourceLineNo">168</span> } catch (InterruptedException e) {<a name="line.168"></a> +<span class="sourceLineNo">169</span> LOG.debug("Interrupted while sleeping for throttling control");<a name="line.169"></a> +<span class="sourceLineNo">170</span> Thread.currentThread().interrupt();<a name="line.170"></a> +<span class="sourceLineNo">171</span> // current thread might be interrupted to terminate<a name="line.171"></a> +<span class="sourceLineNo">172</span> // directly go back to while() for confirm this<a name="line.172"></a> +<span class="sourceLineNo">173</span> continue;<a name="line.173"></a> +<span class="sourceLineNo">174</span> }<a name="line.174"></a> +<span class="sourceLineNo">175</span><a name="line.175"></a> +<span class="sourceLineNo">176</span> // create replicateContext here, so the entries can be GC'd upon return from this call<a name="line.176"></a> +<span class="sourceLineNo">177</span> // stack<a name="line.177"></a> +<span class="sourceLineNo">178</span> ReplicationEndpoint.ReplicateContext replicateContext =<a name="line.178"></a> +<span class="sourceLineNo">179</span> new ReplicationEndpoint.ReplicateContext();<a name="line.179"></a> +<span class="sourceLineNo">180</span> replicateContext.setEntries(entries).setSize(currentSize);<a name="line.180"></a> +<span class="sourceLineNo">181</span> replicateContext.setWalGroupId(walGroupId);<a name="line.181"></a> +<span class="sourceLineNo">182</span><a name="line.182"></a> +<span class="sourceLineNo">183</span> long startTimeNs = System.nanoTime();<a name="line.183"></a> +<span class="sourceLineNo">184</span> // send the edits to the endpoint. Will block until the edits are shipped and acknowledged<a name="line.184"></a> +<span class="sourceLineNo">185</span> boolean replicated = source.getReplicationEndpoint().replicate(replicateContext);<a name="line.185"></a> +<span class="sourceLineNo">186</span> long endTimeNs = System.nanoTime();<a name="line.186"></a> +<span class="sourceLineNo">187</span><a name="line.187"></a> +<span class="sourceLineNo">188</span> if (!replicated) {<a name="line.188"></a> +<span class="sourceLineNo">189</span> continue;<a name="line.189"></a> +<span class="sourceLineNo">190</span> } else {<a name="line.190"></a> +<span class="sourceLineNo">191</span> sleepMultiplier = Math.max(sleepMultiplier - 1, 0);<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> if (this.lastLoggedPosition != lastReadPosition) {<a name="line.194"></a> +<span class="sourceLineNo">195</span> //Clean up hfile references<a name="line.195"></a> +<span class="sourceLineNo">196</span> int size = entries.size();<a name="line.196"></a> +<span class="sourceLineNo">197</span> for (int i = 0; i < size; i++) {<a name="line.197"></a> +<span class="sourceLineNo">198</span> cleanUpHFileRefs(entries.get(i).getEdit());<a name="line.198"></a> +<span class="sourceLineNo">199</span> }<a name="line.199"></a> +<span class="sourceLineNo">200</span><a name="line.200"></a> +<span class="sourceLineNo">201</span> // Save positions to meta table before zk.<a name="line.201"></a> +<span class="sourceLineNo">202</span> updateSerialRepPositions(entryBatch.getLastSeqIds());<a name="line.202"></a> +<span class="sourceLineNo">203</span> //Log and clean up WAL logs<a name="line.203"></a> +<span class="sourceLineNo">204</span> updateLogPosition(lastReadPosition);<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span><a name="line.206"></a> +<span class="sourceLineNo">207</span> source.postShipEdits(entries, currentSize);<a name="line.207"></a> +<span class="sourceLineNo">208</span> // FIXME check relationship between wal group and overall<a name="line.208"></a> +<span class="sourceLineNo">209</span> source.getSourceMetrics().shipBatch(entryBatch.getNbOperations(), currentSize,<a name="line.209"></a> +<span class="sourceLineNo">210</span> entryBatch.getNbHFiles());<a name="line.210"></a> +<span class="sourceLineNo">211</span> source.getSourceMetrics().setAgeOfLastShippedOp(<a name="line.211"></a> +<span class="sourceLineNo">212</span> entries.get(entries.size() - 1).getKey().getWriteTime(), walGroupId);<a name="line.212"></a> +<span class="sourceLineNo">213</span> if (LOG.isTraceEnabled()) {<a name="line.213"></a> +<span class="sourceLineNo">214</span> LOG.trace("Replicated " + entries.size() + " entries or " + entryBatch.getNbOperations()<a name="line.214"></a> +<span class="sourceLineNo">215</span> + " operations in " + ((endTimeNs - startTimeNs) / 1000000) + " ms");<a name="line.215"></a> +<span class="sourceLineNo">216</span> }<a name="line.216"></a> +<span class="sourceLineNo">217</span> break;<a name="line.217"></a> +<span class="sourceLineNo">218</span> } catch (Exception ex) {<a name="line.218"></a> +<span class="sourceLineNo">219</span> LOG.warn(source.getReplicationEndpoint().getClass().getName() + " threw unknown exception:"<a name="line.219"></a> +<span class="sourceLineNo">220</span> + org.apache.hadoop.util.StringUtils.stringifyException(ex));<a name="line.220"></a> +<span class="sourceLineNo">221</span> if (sleepForRetries("ReplicationEndpoint threw exception", sleepMultiplier)) {<a name="line.221"></a> +<span class="sourceLineNo">222</span> sleepMultiplier++;<a name="line.222"></a> +<span class="sourceLineNo">223</span> }<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><a name="line.227"></a> +<span class="sourceLineNo">228</span> private void waitingUntilCanPush(Map.Entry<String, Long> entry) {<a name="line.228"></a> +<span class="sourceLineNo">229</span> String key = entry.getKey();<a name="line.229"></a> +<span class="sourceLineNo">230</span> long seq = entry.getValue();<a name="line.230"></a> +<span class="sourceLineNo">231</span> boolean deleteKey = false;<a name="line.231"></a> +<span class="sourceLineNo">232</span> if (seq <= 0) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> // There is a REGION_CLOSE marker, we can not continue skipping after this entry.<a name="line.233"></a> +<span class="sourceLineNo">234</span> deleteKey = true;<a name="line.234"></a> +<span class="sourceLineNo">235</span> seq = -seq;<a name="line.235"></a> +<span class="sourceLineNo">236</span> }<a name="line.236"></a> +<span class="sourceLineNo">237</span><a name="line.237"></a> +<span class="sourceLineNo">238</span> if (!canSkipWaitingSet.getUnchecked(key)) {<a name="line.238"></a> +<span class="sourceLineNo">239</span> try {<a name="line.239"></a> +<span class="sourceLineNo">240</span> source.getSourceManager().waitUntilCanBePushed(Bytes.toBytes(key), seq, source.getPeerId());<a name="line.240"></a> +<span class="sourceLineNo">241</span> } catch (IOException e) {<a name="line.241"></a> +<span class="sourceLineNo">242</span> LOG.error("waitUntilCanBePushed fail", e);<a name="line.242"></a> +<span class="sourceLineNo">243</span> throw new RuntimeException("waitUntilCanBePushed fail");<a name="line.243"></a> +<span class="sourceLineNo">244</span> } catch (InterruptedException e) {<a name="line.244"></a> +<span class="sourceLineNo">245</span> LOG.warn("waitUntilCanBePushed interrupted", e);<a name="line.245"></a> +<span class="sourceLineNo">246</span> Thread.currentThread().interrupt();<a name="line.246"></a> +<span class="sourceLineNo">247</span> }<a name="line.247"></a> +<span class="sourceLineNo">248</span> canSkipWaitingSet.put(key, true);<a name="line.248"></a> +<span class="sourceLineNo">249</span> }<a name="line.249"></a> +<span class="sourceLineNo">250</span> if (deleteKey) {<a name="line.250"></a> +<span class="sourceLineNo">251</span> canSkipWaitingSet.invalidate(key);<a name="line.251"></a> +<span class="sourceLineNo">252</span> }<a name="line.252"></a> +<span class="sourceLineNo">253</span> }<a name="line.253"></a> +<span class="sourceLineNo">254</span><a name="line.254"></a> +<span class="sourceLineNo">255</span> private void cleanUpHFileRefs(WALEdit edit) throws IOException {<a name="line.255"></a> +<span class="sourceLineNo">256</span> String peerId = source.getPeerId();<a name="line.256"></a> +<span class="sourceLineNo">257</span> if (peerId.contains("-")) {<a name="line.257"></a> +<span class="sourceLineNo">258</span> // peerClusterZnode will be in the form peerId + "-" + rsZNode.<a name="line.258"></a> +<span class="sourceLineNo">259</span> // A peerId will not have "-" in its name, see HBASE-11394<a name="line.259"></a> +<span class="sourceLineNo">260</span> peerId = peerId.split("-")[0];<a name="line.260"></a> +<span class="sourceLineNo">261</span> }<a name="line.261"></a> +<span class="sourceLineNo">262</span> List<Cell> cells = edit.getCells();<a name="line.262"></a> +<span class="sourceLineNo">263</span> int totalCells = cells.size();<a name="line.263"></a> +<span class="sourceLineNo">264</span> for (int i = 0; i < totalCells; i++) {<a name="line.264"></a> +<span class="sourceLineNo">265</span> Cell cell = cells.get(i);<a name="line.265"></a> +<span class="sourceLineNo">266</span> if (CellUtil.matchingQualifier(cell, WALEdit.BULK_LOAD)) {<a name="line.266"></a> +<span class="sourceLineNo">267</span> BulkLoadDescriptor bld = WALEdit.getBulkLoadDescriptor(cell);<a name="line.267"></a> +<span class="sourceLineNo">268</span> List<StoreDescriptor> stores = bld.getStoresList();<a name="line.268"></a> +<span class="sourceLineNo">269</span> int totalStores = stores.size();<a name="line.269"></a> +<span class="sourceLineNo">270</span> for (int j = 0; j < totalStores; j++) {<a name="line.270"></a> +<span class="sourceLineNo">271</span> List<String> storeFileList = stores.get(j).getStoreFileList();<a name="line.271"></a> +<span class="sourceLineNo">272</span> source.getSourceManager().cleanUpHFileRefs(peerId, storeFileList);<a name="line.272"></a> +<span class="sourceLineNo">273</span> source.getSourceMetrics().decrSizeOfHFileRefsQueue(storeFileList.size());<a name="line.273"></a> +<span class="sourceLineNo">274</span> }<a name="line.274"></a> +<span class="sourceLineNo">275</span> }<a name="line.275"></a> +<span class="sourceLineNo">276</span> }<a name="line.276"></a> +<span class="sourceLineNo">277</span> }<a name="line.277"></a> +<span class="sourceLineNo">278</span><a name="line.278"></a> +<span class="sourceLineNo">279</span> protected void updateLogPosition(long lastReadPosition) {<a name="line.279"></a> +<span class="sourceLineNo">280</span> source.getSourceManager().logPositionAndCleanOldLogs(currentPath, source.getPeerClusterZnode(),<a name="line.280"></a> +<span class="sourceLineNo">281</span> lastReadPosition, false, false);<a name="line.281"></a> +<span class="sourceLineNo">282</span> lastLoggedPosition = lastReadPosition;<a name="line.282"></a> +<span class="sourceLineNo">283</span> }<a name="line.283"></a> +<span class="sourceLineNo">284</span><a name="line.284"></a> +<span class="sourceLineNo">285</span> private void updateSerialRepPositions(Map<String, Long> lastPositionsForSerialScope) {<a name="line.285"></a> +<span class="sourceLineNo">286</span> try {<a name="line.286"></a> +<span class="sourceLineNo">287</span> MetaTableAccessor.updateReplicationPositions(source.getSourceManager().getConnection(),<a name="line.287"></a> +<span class="sourceLineNo">288</span> source.getPeerId(), lastPositionsForSerialScope);<a name="line.288"></a> +<span class="sourceLineNo">289</span> } catch (IOException e) {<a name="line.289"></a> +<span class="sourceLineNo">290</span> LOG.error("updateReplicationPositions fail", e);<a name="line.290"></a> +<span class="sourceLineNo">291</span> throw new RuntimeException("updateReplicationPositions fail");<a name="line.291"></a> +<span class="sourceLineNo">292</span> }<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> public void startup(UncaughtExceptionHandler handler) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> String name = Thread.currentThread().getName();<a name="line.296"></a> +<span class="sourceLineNo">297</span> Threads.setDaemonThreadRunning(this, name + ".replicationSource." + walGroupId + ","<a name="line.297"></a> +<span class="sourceLineNo">298</span> + source.getPeerClusterZnode(), handler);<a name="line.298"></a> +<span class="sourceLineNo">299</span> }<a name="line.299"></a> +<span class="sourceLineNo">300</span><a name="line.300"></a> +<span class="sourceLineNo">301</span> public PriorityBlockingQueue<Path> getLogQueue() {<a name="line.301"></a> +<span class="sourceLineNo">302</span> return this.queue;<a name="line.302"></a> +<span class="sourceLineNo">303</span> }<a name="line.303"></a> +<span class="sourceLineNo">304</span><a name="line.304"></a> +<span class="sourceLineNo">305</span> public Path getCurrentPath() {<a name="line.305"></a> +<span class="sourceLineNo">306</span> return this.entryReader.getCurrentPath();<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span><a name="line.308"></a> +<span class="sourceLineNo">309</span> public long getCurrentPosition() {<a name="line.309"></a> +<span class="sourceLineNo">310</span> return this.lastLoggedPosition;<a name="line.310"></a> +<span class="sourceLineNo">311</span> }<a name="line.311"></a> +<span class="sourceLineNo">312</span><a name="line.312"></a> +<span class="sourceLineNo">313</span> public void setWALReader(ReplicationSourceWALReader entryReader) {<a name="line.313"></a> +<span class="sourceLineNo">314</span> this.entryReader = entryReader;<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> public long getStartPosition() {<a name="line.317"></a> +<span class="sourceLineNo">318</span> return 0;<a name="line.318"></a> +<span class="sourceLineNo">319</span> }<a name="line.319"></a> +<span class="sourceLineNo">320</span><a name="line.320"></a> +<span class="sourceLineNo">321</span> protected boolean isActive() {<a name="line.321"></a> +<span class="sourceLineNo">322</span> return source.isSourceActive() && state == WorkerState.RUNNING && !isInterrupted();<a name="line.322"></a> +<span class="sourceLineNo">323</span> }<a name="line.323"></a> +<span class="sourceLineNo">324</span><a name="line.324"></a> +<span class="sourceLineNo">325</span> public void setWorkerState(WorkerState state) {<a name="line.325"></a> +<span class="sourceLineNo">326</span> this.state = state;<a name="line.326"></a> +<span class="sourceLineNo">327</span> }<a name="line.327"></a> +<span class="sourceLineNo">328</span><a name="line.328"></a> +<span class="sourceLineNo">329</span> public WorkerState getWorkerState() {<a name="line.329"></a> +<span class="sourceLineNo">330</span> return state;<a name="line.330"></a> +<span class="sourceLineNo">331</span> }<a name="line.331"></a> +<span class="sourceLineNo">332</span><a name="line.332"></a> +<span class="sourceLineNo">333</span> public void stopWorker() {<a name="line.333"></a> +<span class="sourceLineNo">334</span> setWorkerState(WorkerState.STOPPED);<a name="line.334"></a> +<span class="sourceLineNo">335</span> }<a name="line.335"></a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span> public boolean isFinished() {<a name="line.337"></a> +<span class="sourceLineNo">338</span> return state == WorkerState.FINISHED;<a name="line.338"></a> +<span class="sourceLineNo">339</span> }<a name="line.339"></a> +<span class="sourceLineNo">340</span><a name="line.340"></a> +<span class="sourceLineNo">341</span> /**<a name="line.341"></a> +<span class="sourceLineNo">342</span> * Do the sleeping logic<a name="line.342"></a> +<span class="sourceLineNo">343</span> * @param msg Why we sleep<a name="line.343"></a> +<span class="sourceLineNo">344</span> * @param sleepMultiplier by how many times the default sleeping time is augmented<a name="line.344"></a> +<span class="sourceLineNo">345</span> * @return True if <code>sleepMultiplier</code> is &lt; <code>maxRetriesMultiplier</code><a name="line.345"></a> +<span class="sourceLineNo">346</span> */<a name="line.346"></a> +<span class="sourceLineNo">347</span> public boolean sleepForRetries(String msg, int sleepMultiplier) {<a name="line.347"></a> +<span class="sourceLineNo">348</span> try {<a name="line.348"></a> +<span class="sourceLineNo">349</span> if (LOG.isTraceEnabled()) {<a name="line.349"></a> +<span class="sourceLineNo">350</span> LOG.trace(msg + ", sleeping " + sleepForRetries + " times " + sleepMultiplier);<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> +<span class="sourceLineNo">352</span> Thread.sleep(this.sleepForRetries * sleepMultiplier);<a name="line.352"></a> +<span class="sourceLineNo">353</span> } catch (InterruptedException e) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> LOG.debug("Interrupted while sleeping between retries");<a name="line.354"></a> +<span class="sourceLineNo">355</span> Thread.currentThread().interrupt();<a name="line.355"></a> +<span class="sourceLineNo">356</span> }<a name="line.356"></a> +<span class="sourceLineNo">357</span> return sleepMultiplier < maxRetriesMultiplier;<a name="line.357"></a> +<span class="sourceLineNo">358</span> }<a name="line.358"></a> +<span class="sourceLineNo">359</span>}<a name="line.359"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7f23ee04/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.html new file mode 100644 index 0000000..aa96a74 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceShipper.html @@ -0,0 +1,431 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> +<span class="sourceLineNo">002</span> *<a name="line.2"></a> +<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> +<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> +<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> +<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> +<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> +<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> +<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> +<span class="sourceLineNo">010</span> *<a name="line.10"></a> +<span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> +<span class="sourceLineNo">012</span> *<a name="line.12"></a> +<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> +<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> +<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> +<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> +<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> +<span class="sourceLineNo">018</span> */<a name="line.18"></a> +<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.replication.regionserver;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.io.IOException;<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.Map;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.concurrent.PriorityBlockingQueue;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.concurrent.TimeUnit;<a name="line.25"></a> +<span class="sourceLineNo">026</span><a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.commons.logging.LogFactory;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<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.Cell;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.regionserver.wal.WALEdit;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.replication.ReplicationEndpoint;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceWALReader.WALEntryBatch;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.BulkLoadDescriptor;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span>import com.google.common.cache.CacheBuilder;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import com.google.common.cache.CacheLoader;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import com.google.common.cache.LoadingCache;<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span>/**<a name="line.49"></a> +<span class="sourceLineNo">050</span> * This thread reads entries from a queue and ships them. Entries are placed onto the queue by<a name="line.50"></a> +<span class="sourceLineNo">051</span> * ReplicationSourceWALReaderThread<a name="line.51"></a> +<span class="sourceLineNo">052</span> */<a name="line.52"></a> +<span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a> +<span class="sourceLineNo">054</span>public class ReplicationSourceShipper extends Thread {<a name="line.54"></a> +<span class="sourceLineNo">055</span> private static final Log LOG = LogFactory.getLog(ReplicationSourceShipper.class);<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span> // Hold the state of a replication worker thread<a name="line.57"></a> +<span class="sourceLineNo">058</span> public enum WorkerState {<a name="line.58"></a> +<span class="sourceLineNo">059</span> RUNNING,<a name="line.59"></a> +<span class="sourceLineNo">060</span> STOPPED,<a name="line.60"></a> +<span class="sourceLineNo">061</span> FINISHED, // The worker is done processing a recovered queue<a name="line.61"></a> +<span class="sourceLineNo">062</span> }<a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> protected final Configuration conf;<a name="line.64"></a> +<span class="sourceLineNo">065</span> protected final String walGroupId;<a name="line.65"></a> +<span class="sourceLineNo">066</span> protected final PriorityBlockingQueue<Path> queue;<a name="line.66"></a> +<span class="sourceLineNo">067</span> protected final ReplicationSourceInterface source;<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> // Last position in the log that we sent to ZooKeeper<a name="line.69"></a> +<span class="sourceLineNo">070</span> protected long lastLoggedPosition = -1;<a name="line.70"></a> +<span class="sourceLineNo">071</span> // Path of the current log<a name="line.71"></a> +<span class="sourceLineNo">072</span> protected volatile Path currentPath;<a name="line.72"></a> +<span class="sourceLineNo">073</span> // Current state of the worker thread<a name="line.73"></a> +<span class="sourceLineNo">074</span> private WorkerState state;<a name="line.74"></a> +<span class="sourceLineNo">075</span> protected ReplicationSourceWALReader entryReader;<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span> // How long should we sleep for each retry<a name="line.77"></a> +<span class="sourceLineNo">078</span> protected final long sleepForRetries;<a name="line.78"></a> +<span class="sourceLineNo">079</span> // Maximum number of retries before taking bold actions<a name="line.79"></a> +<span class="sourceLineNo">080</span> protected final int maxRetriesMultiplier;<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> // Use guava cache to set ttl for each key<a name="line.82"></a> +<span class="sourceLineNo">083</span> private final LoadingCache<String, Boolean> canSkipWaitingSet = CacheBuilder.newBuilder()<a name="line.83"></a> +<span class="sourceLineNo">084</span> .expireAfterAccess(1, TimeUnit.DAYS).build(<a name="line.84"></a> +<span class="sourceLineNo">085</span> new CacheLoader<String, Boolean>() {<a name="line.85"></a> +<span class="sourceLineNo">086</span> @Override<a name="line.86"></a> +<span class="sourceLineNo">087</span> public Boolean load(String key) throws Exception {<a name="line.87"></a> +<span class="sourceLineNo">088</span> return false;<a name="line.88"></a> +<span class="sourceLineNo">089</span> }<a name="line.89"></a> +<span class="sourceLineNo">090</span> }<a name="line.90"></a> +<span class="sourceLineNo">091</span> );<a name="line.91"></a> +<span class="sourceLineNo">092</span><a name="line.92"></a> +<span class="sourceLineNo">093</span> public ReplicationSourceShipper(Configuration conf, String walGroupId,<a name="line.93"></a> +<span class="sourceLineNo">094</span> PriorityBlockingQueue<Path> queue, ReplicationSourceInterface source) {<a name="line.94"></a> +<span class="sourceLineNo">095</span> this.conf = conf;<a name="line.95"></a> +<span class="sourceLineNo">096</span> this.walGroupId = walGroupId;<a name="line.96"></a> +<span class="sourceLineNo">097</span> this.queue = queue;<a name="line.97"></a> +<span class="sourceLineNo">098</span> this.source = source;<a name="line.98"></a> +<span class="sourceLineNo">099</span> this.sleepForRetries =<a name="line.99"></a> +<span class="sourceLineNo">100</span> this.conf.getLong("replication.source.sleepforretries", 1000); // 1 second<a name="line.100"></a> +<span class="sourceLineNo">101</span> this.maxRetriesMultiplier =<a name="line.101"></a> +<span class="sourceLineNo">102</span> this.conf.getInt("replication.source.maxretriesmultiplier", 300); // 5 minutes @ 1 sec per<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> @Override<a name="line.105"></a> +<span class="sourceLineNo">106</span> public void run() {<a name="line.106"></a> +<span class="sourceLineNo">107</span> setWorkerState(WorkerState.RUNNING);<a name="line.107"></a> +<span class="sourceLineNo">108</span> // Loop until we close down<a name="line.108"></a> +<span class="sourceLineNo">109</span> while (isActive()) {<a name="line.109"></a> +<span class="sourceLineNo">110</span> int sleepMultiplier = 1;<a name="line.110"></a> +<span class="sourceLineNo">111</span> // Sleep until replication is enabled again<a name="line.111"></a> +<span class="sourceLineNo">112</span> if (!source.isPeerEnabled()) {<a name="line.112"></a> +<span class="sourceLineNo">113</span> if (sleepForRetries("Replication is disabled", sleepMultiplier)) {<a name="line.113"></a> +<span class="sourceLineNo">114</span> sleepMultiplier++;<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<a name="line.115"></a> +<span class="sourceLineNo">116</span> continue;<a name="line.116"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span><a name="line.118"></a> +<span class="sourceLineNo">119</span> while (entryReader == null) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (sleepForRetries("Replication WAL entry reader thread not initialized",<a name="line.120"></a> +<span class="sourceLineNo">121</span> sleepMultiplier)) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> sleepMultiplier++;<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<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> try {<a name="line.126"></a> +<span class="sourceLineNo">127</span> WALEntryBatch entryBatch = entryReader.take();<a name="line.127"></a> +<span class="sourceLineNo">128</span> for (Map.Entry<String, Long> entry : entryBatch.getLastSeqIds().entrySet()) {<a name="line.128"></a> +<span class="sourceLineNo">129</span> waitingUntilCanPush(entry);<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span> shipEdits(entryBatch);<a name="line.131"></a> +<span class="sourceLineNo">132</span> } catch (InterruptedException e) {<a name="line.132"></a> +<span class="sourceLineNo">133</span> LOG.trace("Interrupted while waiting for next replication entry batch", e);<a name="line.133"></a> +<span class="sourceLineNo">134</span> Thread.currentThread().interrupt();<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> // If the worker exits run loop without finishing its task, mark it as stopped.<a name="line.137"></a> +<span class="sourceLineNo">138</span> if (state != WorkerState.FINISHED) {<a name="line.138"></a> +<span class="sourceLineNo">139</span> setWorkerState(WorkerState.STOPPED);<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> /**<a name="line.143"></a> +<span class="sourceLineNo">144</span> * Do the shipping logic<a name="line.144"></a> +<span class="sourceLineNo">145</span> */<a name="line.145"></a> +<span class="sourceLineNo">146</span> protected void shipEdits(WALEntryBatch entryBatch) {<a name="line.146"></a> +<span class="sourceLineNo">147</span> List<Entry> entries = entryBatch.getWalEntries();<a name="line.147"></a> +<span class="sourceLineNo">148</span> long lastReadPosition = entryBatch.getLastWalPosition();<a name="line.148"></a> +<span class="sourceLineNo">149</span> currentPath = entryBatch.getLastWalPath();<a name="line.149"></a> +<span class="sourceLineNo">150</span> int sleepMultiplier = 0;<a name="line.150"></a> +<span class="sourceLineNo">151</span> if (entries.isEmpty()) {<a name="line.151"></a> +<span class="sourceLineNo">152</span> if (lastLoggedPosition != lastReadPosition) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> // Save positions to meta table before zk.<a name="line.153"></a> +<span class="sourceLineNo">154</span> updateSerialRepPositions(entryBatch.getLastSeqIds());<a name="line.154"></a> +<span class="sourceLineNo">155</span> updateLogPosition(lastReadPosition);<a name="line.155"></a> +<span class="sourceLineNo">156</span> // if there was nothing to ship and it's not an error<a name="line.156"></a> +<span class="sourceLineNo">157</span> // set "ageOfLastShippedOp" to <now> to indicate that we're current<a name="line.157"></a> +<span class="sourceLineNo">158</span> source.getSourceMetrics().setAgeOfLastShippedOp(EnvironmentEdgeManager.currentTime(),<a name="line.158"></a> +<span class="sourceLineNo">159</span> walGroupId);<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> return;<a name="line.161"></a> +<span class="sourceLineNo">162</span> }<a name="line.162"></a> +<span class="sourceLineNo">163</span> int currentSize = (int) entryBatch.getHeapSize();<a name="line.163"></a> +<span class="sourceLineNo">164</span> while (isActive()) {<a name="line.164"></a> +<span class="sourceLineNo">165</span> try {<a name="line.165"></a> +<span class="sourceLineNo">166</span> try {<a name="line.166"></a> +<span class="sourceLineNo">167</span> source.tryThrottle(currentSize);<a name="line.167"></a> +<span class="sourceLineNo">168</span> } catch (InterruptedException e) {<a name="line.168"></a> +<span class="sourceLineNo">169</span> LOG.debug("Interrupted while sleeping for throttling control");<a name="line.169"></a> +<span class="sourceLineNo">170</span> Thread.currentThread().interrupt();<a name="line.170"></a> +<span class="sourceLineNo">171</span> // current thread might be interrupted to terminate<a name="line.171"></a> +<span class="sourceLineNo">172</span> // directly go back to while() for confirm this<a name="line.172"></a> +<span class="sourceLineNo">173</span> continue;<a name="line.173"></a> +<span class="sourceLineNo">174</span> }<a name="line.174"></a> +<span class="sourceLineNo">175</span><a name="line.175"></a> +<span class="sourceLineNo">176</span> // create replicateContext here, so the entries can be GC'd upon return from this call<a name="line.176"></a> +<span class="sourceLineNo">177</span> // stack<a name="line.177"></a> +<span class="sourceLineNo">178</span> ReplicationEndpoint.ReplicateContext replicateContext =<a name="line.178"></a> +<span class="sourceLineNo">179</span> new ReplicationEndpoint.ReplicateContext();<a name="line.179"></a> +<span class="sourceLineNo">180</span> replicateContext.setEntries(entries).setSize(currentSize);<a name="line.180"></a> +<span class="sourceLineNo">181</span> replicateContext.setWalGroupId(walGroupId);<a name="line.181"></a> +<span class="sourceLineNo">182</span><a name="line.182"></a> +<span class="sourceLineNo">183</span> long startTimeNs = System.nanoTime();<a name="line.183"></a> +<span class="sourceLineNo">184</span> // send the edits to the endpoint. Will block until the edits are shipped and acknowledged<a name="line.184"></a> +<span class="sourceLineNo">185</span> boolean replicated = source.getReplicationEndpoint().replicate(replicateContext);<a name="line.185"></a> +<span class="sourceLineNo">186</span> long endTimeNs = System.nanoTime();<a name="line.186"></a> +<span class="sourceLineNo">187</span><a name="line.187"></a> +<span class="sourceLineNo">188</span> if (!replicated) {<a name="line.188"></a> +<span class="sourceLineNo">189</span> continue;<a name="line.189"></a> +<span class="sourceLineNo">190</span> } else {<a name="line.190"></a> +<span class="sourceLineNo">191</span> sleepMultiplier = Math.max(sleepMultiplier - 1, 0);<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> if (this.lastLoggedPosition != lastReadPosition) {<a name="line.194"></a> +<span class="sourceLineNo">195</span> //Clean up hfile references<a name="line.195"></a> +<span class="sourceLineNo">196</span> int size = entries.size();<a name="line.196"></a> +<span class="sourceLineNo">197</span> for (int i = 0; i < size; i++) {<a name="line.197"></a> +<span class="sourceLineNo">198</span> cleanUpHFileRefs(entries.get(i).getEdit());<a name="line.198"></a> +<span class="sourceLineNo">199</span> }<a name="line.199"></a> +<span class="sourceLineNo">200</span><a name="line.200"></a> +<span class="sourceLineNo">201</span> // Save positions to meta table before zk.<a name="line.201"></a> +<span class="sourceLineNo">202</span> updateSerialRepPositions(entryBatch.getLastSeqIds());<a name="line.202"></a> +<span class="sourceLineNo">203</span> //Log and clean up WAL logs<a name="line.203"></a> +<span class="sourceLineNo">204</span> updateLogPosition(lastReadPosition);<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span><a name="line.206"></a> +<span class="sourceLineNo">207</span> source.postShipEdits(entries, currentSize);<a name="line.207"></a> +<span class="sourceLineNo">208</span> // FIXME check relationship between wal group and overall<a name="line.208"></a> +<span class="sourceLineNo">209</span> source.getSourceMetrics().shipBatch(entryBatch.getNbOperations(), currentSize,<a name="line.209"></a> +<span class="sourceLineNo">210</span> entryBatch.getNbHFiles());<a name="line.210"></a> +<span class="sourceLineNo">211</span> source.getSourceMetrics().setAgeOfLastShippedOp(<a name="line.211"></a> +<span class="sourceLineNo">212</span> entries.get(entries.size() - 1).getKey().getWriteTime(), walGroupId);<a name="line.212"></a> +<span class="sourceLineNo">213</span> if (LOG.isTraceEnabled()) {<a name="line.213"></a> +<span class="sourceLineNo">214</span> LOG.trace("Replicated " + entries.size() + " entries or " + entryBatch.getNbOperations()<a name="line.214"></a> +<span class="sourceLineNo">215</span> + " operations in " + ((endTimeNs - startTimeNs) / 1000000) + " ms");<a name="line.215"></a> +<span class="sourceLineNo">216</span> }<a name="line.216"></a> +<span class="sourceLineNo">217</span> break;<a name="line.217"></a> +<span class="sourceLineNo">218</span> } catch (Exception ex) {<a name="line.218"></a> +<span class="sourceLineNo">219</span> LOG.warn(source.getReplicationEndpoint().getClass().getName() + " threw unknown exception:"<a name="line.219"></a> +<span class="sourceLineNo">220</span> + org.apache.hadoop.util.StringUtils.stringifyException(ex));<a name="line.220"></a> +<span class="sourceLineNo">221</span> if (sleepForRetries("ReplicationEndpoint threw exception", sleepMultiplier)) {<a name="line.221"></a> +<span class="sourceLineNo">222</span> sleepMultiplier++;<a name="line.222"></a> +<span class="sourceLineNo">223</span> }<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><a name="line.227"></a> +<span class="sourceLineNo">228</span> private void waitingUntilCanPush(Map.Entry<String, Long> entry) {<a name="line.228"></a> +<span class="sourceLineNo">229</span> String key = entry.getKey();<a name="line.229"></a> +<span class="sourceLineNo">230</span> long seq = entry.getValue();<a name="line.230"></a> +<span class="sourceLineNo">231</span> boolean deleteKey = false;<a name="line.231"></a> +<span class="sourceLineNo">232</span> if (seq <= 0) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> // There is a REGION_CLOSE marker, we can not continue skipping after this entry.<a name="line.233"></a> +<span class="sourceLineNo">234</span> deleteKey = true;<a name="line.234"></a> +<span class="sourceLineNo">235</span> seq = -seq;<a name="line.235"></a> +<span class="sourceLineNo">236</span> }<a name="line.236"></a> +<span class="sourceLineNo">237</span><a name="line.237"></a> +<span class="sourceLineNo">238</span> if (!canSkipWaitingSet.getUnchecked(key)) {<a name="line.238"></a> +<span class="sourceLineNo">239</span> try {<a name="line.239"></a> +<span class="sourceLineNo">240</span> source.getSourceManager().waitUntilCanBePushed(Bytes.toBytes(key), seq, source.getPeerId());<a name="line.240"></a> +<span class="sourceLineNo">241</span> } catch (IOException e) {<a name="line.241"></a> +<span class="sourceLineNo">242</span> LOG.error("waitUntilCanBePushed fail", e);<a name="line.242"></a> +<span class="sourceLineNo">243</span> throw new RuntimeException("waitUntilCanBePushed fail");<a name="line.243"></a> +<span class="sourceLineNo">244</span> } catch (InterruptedException e) {<a name="line.244"></a> +<span class="sourceLineNo">245</span> LOG.warn("waitUntilCanBePushed interrupted", e);<a name="line.245"></a> +<span class="sourceLineNo">246</span> Thread.currentThread().interrupt();<a name="line.246"></a> +<span class="sourceLineNo">247</span> }<a name="line.247"></a> +<span class="sourceLineNo">248</span> canSkipWaitingSet.put(key, true);<a name="line.248"></a> +<span class="sourceLineNo">249</span> }<a name="line.249"></a> +<span class="sourceLineNo">250</span> if (deleteKey) {<a name="line.250"></a> +<span class="sourceLineNo">251</span> canSkipWaitingSet.invalidate(key);<a name="line.251"></a> +<span class="sourceLineNo">252</span> }<a name="line.252"></a> +<span class="sourceLineNo">253</span> }<a name="line.253"></a> +<span class="sourceLineNo">254</span><a name="line.254"></a> +<span class="sourceLineNo">255</span> private void cleanUpHFileRefs(WALEdit edit) throws IOException {<a name="line.255"></a> +<span class="sourceLineNo">256</span> String peerId = source.getPeerId();<a name="line.256"></a> +<span class="sourceLineNo">257</span> if (peerId.contains("-")) {<a name="line.257"></a> +<span class="sourceLineNo">258</span> // peerClusterZnode will be in the form peerId + "-" + rsZNode.<a name="line.258"></a> +<span class="sourceLineNo">259</span> // A peerId will not have "-" in its name, see HBASE-11394<a name="line.259"></a> +<span class="sourceLineNo">260</span> peerId = peerId.split("-")[0];<a name="line.260"></a> +<span class="sourceLineNo">261</span> }<a name="line.261"></a> +<span class="sourceLineNo">262</span> List<Cell> cells = edit.getCells();<a name="line.262"></a> +<span class="sourceLineNo">263</span> int totalCells = cells.size();<a name="line.263"></a> +<span class="sourceLineNo">264</span> for (int i = 0; i < totalCells; i++) {<a name="line.264"></a> +<span class="sourceLineNo">265</span> Cell cell = cells.get(i);<a name="line.265"></a> +<span class="sourceLineNo">266</span> if (CellUtil.matchingQualifier(cell, WALEdit.BULK_LOAD)) {<a name="line.266"></a> +<span class="sourceLineNo">267</span> BulkLoadDescriptor bld = WALEdit.getBulkLoadDescriptor(cell);<a name="line.267"></a> +<span class="sourceLineNo">268</span> List<StoreDescriptor> stores = bld.getStoresList();<a name="line.268"></a> +<span class="sourceLineNo">269</span> int totalStores = stores.size();<a name="line.269"></a> +<span class="sourceLineNo">270</span> for (int j = 0; j < totalStores; j++) {<a name="line.270"></a> +<span class="sourceLineNo">271</span> List<String> storeFileList = stores.get(j).getStoreFileList();<a name="line.271"></a> +<span class="sourceLineNo">272</span> source.getSourceManager().cleanUpHFileRefs(peerId, storeFileList);<a name="line.272"></a> +<span class="sourceLineNo">273</span> source.getSourceMetrics().decrSizeOfHFileRefsQueue(storeFileList.size());<a name="line.273"></a> +<span class="sourceLineNo">274</span> }<a name="line.274"></a> +<span class="sourceLineNo">275</span> }<a name="line.275"></a> +<span class="sourceLineNo">276</span> }<a name="line.276"></a> +<span class="sourceLineNo">277</span> }<a name="line.277"></a> +<span class="sourceLineNo">278</span><a name="line.278"></a> +<span class="sourceLineNo">279</span> protected void updateLogPosition(long lastReadPosition) {<a name="line.279"></a> +<span class="sourceLineNo">280</span> source.getSourceManager().logPositionAndCleanOldLogs(currentPath, source.getPeerClusterZnode(),<a name="line.280"></a> +<span class="sourceLineNo">281</span> lastReadPosition, false, false);<a name="line.281"></a> +<span class="sourceLineNo">282</span> lastLoggedPosition = lastReadPosition;<a name="line.282"></a> +<span class="sourceLineNo">283</span> }<a name="line.283"></a> +<span class="sourceLineNo">284</span><a name="line.284"></a> +<span class="sourceLineNo">285</span> private void updateSerialRepPositions(Map<String, Long> lastPositionsForSerialScope) {<a name="line.285"></a> +<span class="sourceLineNo">286</span> try {<a name="line.286"></a> +<span class="sourceLineNo">287</span> MetaTableAccessor.updateReplicationPositions(source.getSourceManager().getConnection(),<a name="line.287"></a> +<span class="sourceLineNo">288</span> source.getPeerId(), lastPositionsForSerialScope);<a name="line.288"></a> +<span class="sourceLineNo">289</span> } catch (IOException e) {<a name="line.289"></a> +<span class="sourceLineNo">290</span> LOG.error("updateReplicationPositions fail", e);<a name="line.290"></a> +<span class="sourceLineNo">291</span> throw new RuntimeException("updateReplicationPositions fail");<a name="line.291"></a> +<span class="sourceLineNo">292</span> }<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> public void startup(UncaughtExceptionHandler handler) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> String name = Thread.currentThread().getName();<a name="line.296"></a> +<span class="sourceLineNo">297</span> Threads.setDaemonThreadRunning(this, name + ".replicationSource." + walGroupId + ","<a name="line.297"></a> +<span class="sourceLineNo">298</span> + source.getPeerClusterZnode(), handler);<a name="line.298"></a> +<span class="sourceLineNo">299</span> }<a name="line.299"></a> +<span class="sourceLineNo">300</span><a name="line.300"></a> +<span class="sourceLineNo">301</span> public PriorityBlockingQueue<Path> getLogQueue() {<a name="line.301"></a> +<span class="sourceLineNo">302</span> return this.queue;<a name="line.302"></a> +<span class="sourceLineNo">303</span> }<a name="line.303"></a> +<span class="sourceLineNo">304</span><a name="line.304"></a> +<span class="sourceLineNo">305</span> public Path getCurrentPath() {<a name="line.305"></a> +<span class="sourceLineNo">306</span> return this.entryReader.getCurrentPath();<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span><a name="line.308"></a> +<span class="sourceLineNo">309</span> public long getCurrentPosition() {<a name="line.309"></a> +<span class="sourceLineNo">310</span> return this.lastLoggedPosition;<a name="line.310"></a> +<span class="sourceLineNo">311</span> }<a name="line.311"></a> +<span class="sourceLineNo">312</span><a name="line.312"></a> +<span class="sourceLineNo">313</span> public void setWALReader(ReplicationSourceWALReader entryReader) {<a name="line.313"></a> +<span class="sourceLineNo">314</span> this.entryReader = entryReader;<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> public long getStartPosition() {<a name="line.317"></a> +<span class="sourceLineNo">318</span> return 0;<a name="line.318"></a> +<span class="sourceLineNo">319</span> }<a name="line.319"></a> +<span class="sourceLineNo">320</span><a name="line.320"></a> +<span class="sourceLineNo">321</span> protected boolean isActive() {<a name="line.321"></a> +<span class="sourceLineNo">322</span> return source.isSourceActive() && state == WorkerState.RUNNING && !isInterrupted();<a name="line.322"></a> +<span class="sourceLineNo">323</span> }<a name="line.323"></a> +<span class="sourceLineNo">324</span><a name="line.324"></a> +<span class="sourceLineNo">325</span> public void setWorkerState(WorkerState state) {<a name="line.325"></a> +<span class="sourceLineNo">326</span> this.state = state;<a name="line.326"></a> +<span class="sourceLineNo">327</span> }<a name="line.327"></a> +<span class="sourceLineNo">328</span><a name="line.328"></a> +<span class="sourceLineNo">329</span> public WorkerState getWorkerState() {<a name="line.329"></a> +<span class="sourceLineNo">330</span> return state;<a name="line.330"></a> +<span class="sourceLineNo">331</span> }<a name="line.331"></a> +<span class="sourceLineNo">332</span><a name="line.332"></a> +<span class="sourceLineNo">333</span> public void stopWorker() {<a name="line.333"></a> +<span class="sourceLineNo">334</span> setWorkerState(WorkerState.STOPPED);<a name="line.334"></a> +<span class="sourceLineNo">335</span> }<a name="line.335"></a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span> public boolean isFinished() {<a name="line.337"></a> +<span class="sourceLineNo">338</span> return state == WorkerState.FINISHED;<a name="line.338"></a> +<span class="sourceLineNo">339</span> }<a name="line.339"></a> +<span class="sourceLineNo">340</span><a name="line.340"></a> +<span class="sourceLineNo">341</span> /**<a name="line.341"></a> +<span class="sourceLineNo">342</span> * Do the sleeping logic<a name="line.342"></a> +<span class="sourceLineNo">343</span> * @param msg Why we sleep<a name="line.343"></a> +<span class="sourceLineNo">344</span> * @param sleepMultiplier by how many times the default sleeping time is augmented<a name="line.344"></a> +<span class="sourceLineNo">345</span> * @return True if <code>sleepMultiplier</code> is &lt; <code>maxRetriesMultiplier</code><a name="line.345"></a> +<span class="sourceLineNo">346</span> */<a name="line.346"></a> +<span class="sourceLineNo">347</span> public boolean sleepForRetries(String msg, int sleepMultiplier) {<a name="line.347"></a> +<span class="sourceLineNo">348</span> try {<a name="line.348"></a> +<span class="sourceLineNo">349</span> if (LOG.isTraceEnabled()) {<a name="line.349"></a> +<span class="sourceLineNo">350</span> LOG.trace(msg + ", sleeping " + sleepForRetries + " times " + sleepMultiplier);<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> +<span class="sourceLineNo">352</span> Thread.sleep(this.sleepForRetries * sleepMultiplier);<a name="line.352"></a> +<span class="sourceLineNo">353</span> } catch (InterruptedException e) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> LOG.debug("Interrupted while sleeping between retries");<a name="line.354"></a> +<span class="sourceLineNo">355</span> Thread.currentThread().interrupt();<a name="line.355"></a> +<span class="sourceLineNo">356</span> }<a name="line.356"></a> +<span class="sourceLineNo">357</span> return sleepMultiplier < maxRetriesMultiplier;<a name="line.357"></a> +<span class="sourceLineNo">358</span> }<a name="line.358"></a> +<span class="sourceLineNo">359</span>}<a name="line.359"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
