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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.master.assignment;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.concurrent.CountDownLatch;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.ProcedureTestUtil;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ServerName;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.TableName;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.Put;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Table;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.master.ServerManager;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.master.procedure.ServerProcedureInterface;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.AfterClass;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.BeforeClass;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.ClassRule;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.Test;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.experimental.categories.Category;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.slf4j.Logger;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.slf4j.LoggerFactory;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span>/**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * Confirm that we will do backoff when retrying on closing a region, to avoid consuming all the<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * CPUs.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>public class TestCloseRegionWhileRSCrash {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private static final Logger LOG = LoggerFactory.getLogger(TestCloseRegionWhileRSCrash.class);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> @ClassRule<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> HBaseClassTestRule.forClass(TestCloseRegionWhileRSCrash.class);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static TableName TABLE_NAME = TableName.valueOf("Backoff");<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static byte[] CF = Bytes.toBytes("cf");<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static CountDownLatch ARRIVE = new CountDownLatch(1);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static CountDownLatch RESUME = new CountDownLatch(1);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public static final class DummyServerProcedure extends Procedure<MasterProcedureEnv><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> implements ServerProcedureInterface {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private ServerName serverName;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public DummyServerProcedure() {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> public DummyServerProcedure(ServerName serverName) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> this.serverName = serverName;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> @Override<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> public ServerName getServerName() {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> return serverName;<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> @Override<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> public boolean hasMetaTableRegion() {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> return false;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> @Override<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public ServerOperationType getServerOperationType() {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> return ServerOperationType.CRASH_HANDLER;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> @Override<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> protected Procedure<MasterProcedureEnv>[] execute(MasterProcedureEnv env)<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> throws ProcedureYieldException, ProcedureSuspendedException, InterruptedException {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> ARRIVE.countDown();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> RESUME.await();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> return null;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> @Override<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> protected LockState acquireLock(final MasterProcedureEnv env) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> if (env.getProcedureScheduler().waitServerExclusiveLock(this, getServerName())) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> return LockState.LOCK_EVENT_WAIT;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> return LockState.LOCK_ACQUIRED;<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span><a name="line.116"></a> |
| <span class="sourceLineNo">117</span> @Override<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> protected void releaseLock(final MasterProcedureEnv env) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> env.getProcedureScheduler().wakeServerExclusiveLock(this, getServerName());<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> @Override<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> protected boolean holdLock(MasterProcedureEnv env) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> return true;<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> @Override<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> protected void rollback(MasterProcedureEnv env) throws IOException, InterruptedException {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> @Override<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> protected boolean abort(MasterProcedureEnv env) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> return false;<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> @Override<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> @Override<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> @BeforeClass<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> public static void setUp() throws Exception {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> UTIL.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> UTIL.startMiniCluster(3);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> UTIL.createTable(TABLE_NAME, CF);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> UTIL.getAdmin().balancerSwitch(false, true);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> HRegionServer srcRs = UTIL.getRSForFirstRegionInTable(TABLE_NAME);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (!srcRs.getRegions(TableName.META_TABLE_NAME).isEmpty()) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> RegionInfo metaRegion = srcRs.getRegions(TableName.META_TABLE_NAME).get(0).getRegionInfo();<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> HRegionServer dstRs = UTIL.getOtherRegionServer(srcRs);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> UTIL.getAdmin().move(metaRegion.getEncodedNameAsBytes(), dstRs.getServerName());<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> UTIL.waitFor(30000, () -> !dstRs.getRegions(TableName.META_TABLE_NAME).isEmpty());<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<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> @AfterClass<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> public static void tearDown() throws Exception {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> UTIL.shutdownMiniCluster();<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> @Test<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> public void testRetryBackoff() throws IOException, InterruptedException {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> HRegionServer srcRs = UTIL.getRSForFirstRegionInTable(TABLE_NAME);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> RegionInfo region = srcRs.getRegions(TABLE_NAME).get(0).getRegionInfo();<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> HRegionServer dstRs = UTIL.getOtherRegionServer(srcRs);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> ProcedureExecutor<MasterProcedureEnv> procExec =<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor();<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> procExec.submitProcedure(new DummyServerProcedure(srcRs.getServerName()));<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> ARRIVE.await();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> UTIL.getMiniHBaseCluster().killRegionServer(srcRs.getServerName());<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> UTIL.waitFor(30000,<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> () -> procExec.getProcedures().stream().anyMatch(p -> p instanceof ServerCrashProcedure));<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> Thread t = new Thread(() -> {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> try {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> UTIL.getAdmin().move(region.getEncodedNameAsBytes(), dstRs.getServerName());<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> } catch (IOException e) {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> LOG.info("Failed move of {}", region.getRegionNameAsString(), e);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> });<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> t.start();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> // wait until we enter the WAITING_TIMEOUT state<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> ProcedureTestUtil.waitUntilProcedureWaitingTimeout(UTIL, TransitRegionStateProcedure.class,<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> 30000);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> // wait until the timeout value increase three times<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> ProcedureTestUtil.waitUntilProcedureTimeoutIncrease(UTIL, TransitRegionStateProcedure.class, 3);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // close connection to make sure that we can not finish the TRSP<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> final HMaster master = UTIL.getMiniHBaseCluster().getMaster();<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> master.getConnection().close();<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> RESUME.countDown();<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> UTIL.waitFor(30000, () -> !master.isAlive());<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> // here we start a new master<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> HMaster master2 = UTIL.getMiniHBaseCluster().startMaster().getMaster();<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> LOG.info("Master2 {}, joining move thread", master2.getServerName());<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> t.join();<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> // Make sure that the region is online, it may not on the original target server, as we will set<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // forceNewPlan to true if there is a server crash<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> try (Table table = UTIL.getConnection().getTable(TABLE_NAME)) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> table.put(new Put(Bytes.toBytes(1)).addColumn(CF, Bytes.toBytes("cq"), Bytes.toBytes(1)));<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> // Make sure that the region is online, it may not be on the original target server, as we will<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // set forceNewPlan to true if there is a server crash.<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> try (Table table = UTIL.getConnection().getTable(TABLE_NAME)) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> table.put(new Put(Bytes.toBytes(1)).addColumn(CF, Bytes.toBytes("cq"), Bytes.toBytes(1)));<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span>}<a name="line.211"></a> |
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