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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.regionserver;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertNotNull;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Optional;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.CompletableFuture;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.ExecutorService;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.Executors;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.conf.Configuration;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.fs.FileSystem;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.fs.Path;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HConstants;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.SingleProcessHBaseCluster;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.StartTestingClusterOption;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.TableName;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.Waiter;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Durability;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Put;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Table;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.coprocessor.CoreCoprocessor;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.coprocessor.HasRegionServerServices;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.coprocessor.RegionServerObserver;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hadoop.hdfs.DFSConfigKeys;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hadoop.hdfs.MiniDFSCluster;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.junit.After;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.junit.Before;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>import org.junit.ClassRule;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.junit.Test;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>import org.junit.experimental.categories.Category;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>import org.slf4j.Logger;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>import org.slf4j.LoggerFactory;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span>/**<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * Tests around regionserver shutdown and abort<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> */<a name="line.76"></a> |
| <span class="sourceLineNo">077</span>@Category({ RegionServerTests.class, MediumTests.class })<a name="line.77"></a> |
| <span class="sourceLineNo">078</span>public class TestRegionServerAbort {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> @ClassRule<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> HBaseClassTestRule.forClass(TestRegionServerAbort.class);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private static final byte[] FAMILY_BYTES = Bytes.toBytes("f");<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private static final Logger LOG = LoggerFactory.getLogger(TestRegionServerAbort.class);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private HBaseTestingUtil testUtil;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> private Configuration conf;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private MiniDFSCluster dfsCluster;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private SingleProcessHBaseCluster cluster;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> @Before<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public void setup() throws Exception {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> testUtil = new HBaseTestingUtil();<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> conf = testUtil.getConfiguration();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> conf.set(CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY,<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> StopBlockingRegionObserver.class.getName());<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> StopBlockingRegionObserver.class.getName());<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> // make sure we have multiple blocks so that the client does not prefetch all block locations<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> conf.set("dfs.blocksize", Long.toString(100 * 1024));<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // prefetch the first block<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> conf.set(DFSConfigKeys.DFS_CLIENT_READ_PREFETCH_SIZE_KEY, Long.toString(100 * 1024));<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> conf.set(HConstants.REGION_IMPL, ErrorThrowingHRegion.class.getName());<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> testUtil.startMiniZKCluster();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> dfsCluster = testUtil.startMiniDFSCluster(2);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> StartTestingClusterOption option =<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> StartTestingClusterOption.builder().numRegionServers(2).build();<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> cluster = testUtil.startMiniHBaseCluster(option);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> @After<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> public void tearDown() throws Exception {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> String className = StopBlockingRegionObserver.class.getName();<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> for (JVMClusterUtil.RegionServerThread t : cluster.getRegionServerThreads()) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> HRegionServer rs = t.getRegionServer();<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> RegionServerCoprocessorHost cpHost = rs.getRegionServerCoprocessorHost();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> StopBlockingRegionObserver cp =<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> (StopBlockingRegionObserver) cpHost.findCoprocessor(className);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> cp.setStopAllowed(true);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> testUtil.shutdownMiniCluster();<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> /**<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * Test that a regionserver is able to abort properly, even when a coprocessor throws an exception<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * in preStopRegionServer().<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> */<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> @Test<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> public void testAbortFromRPC() throws Exception {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> TableName tableName = TableName.valueOf("testAbortFromRPC");<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> // create a test table<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> Table table = testUtil.createTable(tableName, FAMILY_BYTES);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> // write some edits<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> testUtil.loadTable(table, FAMILY_BYTES);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> LOG.info("Wrote data");<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> // force a flush<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> cluster.flushcache(tableName);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> LOG.info("Flushed table");<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> // Send a poisoned put to trigger the abort<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> Put put = new Put(new byte[] { 0, 0, 0, 0 });<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> put.addColumn(FAMILY_BYTES, Bytes.toBytes("c"), new byte[] {});<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> put.setAttribute(StopBlockingRegionObserver.DO_ABORT, new byte[] { 1 });<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> List<HRegion> regions = cluster.findRegionsForTable(tableName);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> HRegion firstRegion = cluster.findRegionsForTable(tableName).get(0);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> table.put(put);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> // Verify that the regionserver is stopped<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> assertNotNull(firstRegion);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> assertNotNull(firstRegion.getRegionServerServices());<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> LOG.info("isAborted = " + firstRegion.getRegionServerServices().isAborted());<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> assertTrue(firstRegion.getRegionServerServices().isAborted());<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> LOG.info("isStopped = " + firstRegion.getRegionServerServices().isStopped());<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> assertTrue(firstRegion.getRegionServerServices().isStopped());<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> /**<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> * Test that a coprocessor is able to override a normal regionserver stop request.<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> */<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> @Test<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> public void testStopOverrideFromCoprocessor() throws Exception {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> Admin admin = testUtil.getAdmin();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> HRegionServer regionserver = cluster.getRegionServer(0);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> admin.stopRegionServer(regionserver.getServerName().getAddress().toString());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> // regionserver should have failed to stop due to coprocessor<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> assertFalse(cluster.getRegionServer(0).isAborted());<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> assertFalse(cluster.getRegionServer(0).isStopped());<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<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> * Tests that only a single abort is processed when multiple aborts are requested.<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> */<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> @Test<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> public void testMultiAbort() {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> assertTrue(cluster.getRegionServerThreads().size() > 0);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> JVMClusterUtil.RegionServerThread t = cluster.getRegionServerThreads().get(0);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> assertTrue(t.isAlive());<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> HRegionServer rs = t.getRegionServer();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> assertFalse(rs.isAborted());<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> RegionServerCoprocessorHost cpHost = rs.getRegionServerCoprocessorHost();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> StopBlockingRegionObserver cp = (StopBlockingRegionObserver) cpHost<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> .findCoprocessor(StopBlockingRegionObserver.class.getName());<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // Enable clean abort.<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> cp.setStopAllowed(true);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> // Issue two aborts in quick succession.<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // We need a thread pool here, otherwise the abort() runs into SecurityException when running<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> // from the fork join pool when setting the context classloader.<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> ExecutorService executor = Executors.newFixedThreadPool(2);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> try {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> CompletableFuture.runAsync(() -> rs.abort("Abort 1"), executor);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> CompletableFuture.runAsync(() -> rs.abort("Abort 2"), executor);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> long testTimeoutMs = 10 * 1000;<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> Waiter.waitFor(cluster.getConf(), testTimeoutMs, (Waiter.Predicate<Exception>) rs::isStopped);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> // Make sure only one abort is received.<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> assertEquals(1, cp.getNumAbortsRequested());<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> } finally {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> executor.shutdownNow();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> @CoreCoprocessor<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> public static class StopBlockingRegionObserver<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> implements RegionServerCoprocessor, RegionCoprocessor, RegionServerObserver, RegionObserver {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> public static final String DO_ABORT = "DO_ABORT";<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> private boolean stopAllowed;<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> private AtomicInteger abortCount = new AtomicInteger();<a name="line.211"></a> |
| <span class="sourceLineNo">212</span><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Override<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> return Optional.of(this);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> @Override<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> public Optional<RegionServerObserver> getRegionServerObserver() {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> return Optional.of(this);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> @Override<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> public void prePut(ObserverContext<RegionCoprocessorEnvironment> c, Put put, WALEdit edit,<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> Durability durability) throws IOException {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> if (put.getAttribute(DO_ABORT) != null) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> // TODO: Change this so it throws a CP Abort Exception instead.<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> RegionServerServices rss =<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> ((HasRegionServerServices) c.getEnvironment()).getRegionServerServices();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> String str = "Aborting for test";<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> LOG.info(str + " " + rss.getServerName());<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> rss.abort(str, new Throwable(str));<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> @Override<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> public void preStopRegionServer(ObserverContext<RegionServerCoprocessorEnvironment> env)<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> throws IOException {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> abortCount.incrementAndGet();<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> if (!stopAllowed) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> throw new IOException("Stop not allowed");<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> }<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> }<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> public int getNumAbortsRequested() {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> return abortCount.get();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> public void setStopAllowed(boolean allowed) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> this.stopAllowed = allowed;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<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> * Throws an exception during store file refresh in order to trigger a regionserver abort.<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> */<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> public static class ErrorThrowingHRegion extends HRegion {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public ErrorThrowingHRegion(Path tableDir, WAL wal, FileSystem fs, Configuration confParam,<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> RegionInfo regionInfo, TableDescriptor htd, RegionServerServices rsServices) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> super(tableDir, wal, fs, confParam, regionInfo, htd, rsServices);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> public ErrorThrowingHRegion(HRegionFileSystem fs, WAL wal, Configuration confParam,<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> TableDescriptor htd, RegionServerServices rsServices) {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> super(fs, wal, confParam, htd, rsServices);<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> @Override<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> protected boolean refreshStoreFiles(boolean force) throws IOException {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> // forced when called through RegionScannerImpl.handleFileNotFound()<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> if (force) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> throw new IOException("Failing file refresh for testing");<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> return super.refreshStoreFiles(force);<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
