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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;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.master.assignment.AssignmentManager.FORCE_REGION_RETAINMENT;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.master.assignment.AssignmentManager.FORCE_REGION_RETAINMENT_WAIT_INTERVAL;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.MASTER_SCP_RETAIN_ASSIGNMENT;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertEquals;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.assertNotEquals;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import static org.junit.Assert.assertTrue;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.io.UncheckedIOException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.List;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.Map;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.conf.Configuration;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HConstants;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ServerName;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.SingleProcessHBaseCluster;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.StartTestingClusterOption;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.TableName;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.junit.ClassRule;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.Test;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.experimental.categories.Category;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.slf4j.Logger;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.slf4j.LoggerFactory;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>public class TestRetainAssignmentOnRestart extends AbstractTestRestartCluster {<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> @ClassRule<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> HBaseClassTestRule.forClass(TestRetainAssignmentOnRestart.class);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private static final Logger LOG = LoggerFactory.getLogger(TestRetainAssignmentOnRestart.class);<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private static int NUM_OF_RS = 3;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public static final class HMasterForTest extends HMaster {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public HMasterForTest(Configuration conf) throws IOException {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> super(conf);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> }<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> @Override<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> protected void startProcedureExecutor() throws IOException {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // only start procedure executor when we have all the regionservers ready to take regions<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> new Thread(() -> {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> for (;;) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> if (getServerManager().createDestinationServersList().size() == NUM_OF_RS) {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> try {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> HMasterForTest.super.startProcedureExecutor();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> } catch (IOException e) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> throw new UncheckedIOException(e);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> break;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> try {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> Thread.sleep(1000);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> } catch (InterruptedException e) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }).start();<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><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> @Override<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> protected boolean splitWALCoordinatedByZk() {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> return true;<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> * This tests retaining assignments on a cluster restart<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> */<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> @Test<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> public void testRetainAssignmentOnClusterRestart() throws Exception {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> setupCluster();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> HMaster master = UTIL.getMiniHBaseCluster().getMaster();<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> SingleProcessHBaseCluster cluster = UTIL.getHBaseCluster();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> List<JVMClusterUtil.RegionServerThread> threads = cluster.getLiveRegionServerThreads();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> assertEquals(NUM_OF_RS, threads.size());<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> int[] rsPorts = new int[NUM_OF_RS];<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> for (int i = 0; i < NUM_OF_RS; i++) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> rsPorts[i] = threads.get(i).getRegionServer().getServerName().getPort();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> // We don't have to use SnapshotOfRegionAssignmentFromMeta. We use it here because AM used to<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // use it to load all user region placements<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> SnapshotOfRegionAssignmentFromMeta snapshot =<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> new SnapshotOfRegionAssignmentFromMeta(master.getConnection());<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> snapshot.initialize();<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> Map<RegionInfo, ServerName> regionToRegionServerMap = snapshot.getRegionToRegionServerMap();<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> for (ServerName serverName : regionToRegionServerMap.values()) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> boolean found = false; // Test only, no need to optimize<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> for (int k = 0; k < NUM_OF_RS && !found; k++) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> found = serverName.getPort() == rsPorts[k];<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> assertTrue(found);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> LOG.info("\n\nShutting down HBase cluster");<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> cluster.stopMaster(0);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> cluster.shutdown();<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> cluster.waitUntilShutDown();<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> LOG.info("\n\nSleeping a bit");<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> Thread.sleep(2000);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> LOG.info("\n\nStarting cluster the second time with the same ports");<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> cluster.getConf().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 3);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> master = cluster.startMaster().getMaster();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> for (int i = 0; i < NUM_OF_RS; i++) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> cluster.getConf().setInt(HConstants.REGIONSERVER_PORT, rsPorts[i]);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> cluster.startRegionServer();<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> ensureServersWithSamePort(master, rsPorts);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> // Wait till master is initialized and all regions are assigned<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> for (TableName TABLE : TABLES) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> UTIL.waitTableAvailable(TABLE);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> snapshot = new SnapshotOfRegionAssignmentFromMeta(master.getConnection());<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> snapshot.initialize();<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> Map<RegionInfo, ServerName> newRegionToRegionServerMap = snapshot.getRegionToRegionServerMap();<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> assertEquals(regionToRegionServerMap.size(), newRegionToRegionServerMap.size());<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> for (Map.Entry<RegionInfo, ServerName> entry : newRegionToRegionServerMap.entrySet()) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> ServerName oldServer = regionToRegionServerMap.get(entry.getKey());<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> ServerName currentServer = entry.getValue();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> LOG.info(<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> "Key=" + entry.getKey() + " oldServer=" + oldServer + ", currentServer=" + currentServer);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> assertEquals(entry.getKey().toString(), oldServer.getAddress(), currentServer.getAddress());<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> assertNotEquals(oldServer.getStartcode(), currentServer.getStartcode());<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<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> * This tests retaining assignments on a single node restart<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> */<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> @Test<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> public void testRetainAssignmentOnSingleRSRestart() throws Exception {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> setupCluster();<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> HMaster master = UTIL.getMiniHBaseCluster().getMaster();<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> SingleProcessHBaseCluster cluster = UTIL.getHBaseCluster();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> List<JVMClusterUtil.RegionServerThread> threads = cluster.getLiveRegionServerThreads();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> assertEquals(NUM_OF_RS, threads.size());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> int[] rsPorts = new int[NUM_OF_RS];<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> for (int i = 0; i < NUM_OF_RS; i++) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> rsPorts[i] = threads.get(i).getRegionServer().getServerName().getPort();<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // We don't have to use SnapshotOfRegionAssignmentFromMeta. We use it here because AM used to<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> // use it to load all user region placements<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> SnapshotOfRegionAssignmentFromMeta snapshot =<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> new SnapshotOfRegionAssignmentFromMeta(master.getConnection());<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> snapshot.initialize();<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> Map<RegionInfo, ServerName> regionToRegionServerMap = snapshot.getRegionToRegionServerMap();<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> for (ServerName serverName : regionToRegionServerMap.values()) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> boolean found = false; // Test only, no need to optimize<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> for (int k = 0; k < NUM_OF_RS && !found; k++) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> found = serverName.getPort() == rsPorts[k];<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> assertTrue(found);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // Server to be restarted<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> ServerName deadRS = threads.get(0).getRegionServer().getServerName();<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> LOG.info("\n\nStopping HMaster and {} server", deadRS);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // Stopping master first so that region server SCP will not be initiated<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> cluster.stopMaster(0);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> cluster.waitForMasterToStop(master.getServerName(), 5000);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> cluster.stopRegionServer(deadRS);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> cluster.waitForRegionServerToStop(deadRS, 5000);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> LOG.info("\n\nSleeping a bit");<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> Thread.sleep(2000);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> LOG.info("\n\nStarting HMaster and region server {} second time with the same port", deadRS);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> cluster.getConf().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 3);<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> master = cluster.startMaster().getMaster();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> cluster.getConf().setInt(HConstants.REGIONSERVER_PORT, deadRS.getPort());<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> cluster.startRegionServer();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> ensureServersWithSamePort(master, rsPorts);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> // Wait till master is initialized and all regions are assigned<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> for (TableName TABLE : TABLES) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> UTIL.waitTableAvailable(TABLE);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> snapshot = new SnapshotOfRegionAssignmentFromMeta(master.getConnection());<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> snapshot.initialize();<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> Map<RegionInfo, ServerName> newRegionToRegionServerMap = snapshot.getRegionToRegionServerMap();<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> assertEquals(regionToRegionServerMap.size(), newRegionToRegionServerMap.size());<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> for (Map.Entry<RegionInfo, ServerName> entry : newRegionToRegionServerMap.entrySet()) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> ServerName oldServer = regionToRegionServerMap.get(entry.getKey());<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> ServerName currentServer = entry.getValue();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> LOG.info(<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> "Key=" + entry.getKey() + " oldServer=" + oldServer + ", currentServer=" + currentServer);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> assertEquals(entry.getKey().toString(), oldServer.getAddress(), currentServer.getAddress());<a name="line.223"></a> |
| <span class="sourceLineNo">224</span><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> if (deadRS.getPort() == oldServer.getPort()) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // Restarted RS start code wont be same<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> assertNotEquals(oldServer.getStartcode(), currentServer.getStartcode());<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> } else {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> assertEquals(oldServer.getStartcode(), currentServer.getStartcode());<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> /**<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * This tests the force retaining assignments upon an RS restart, even when master triggers an SCP<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> */<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> @Test<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> public void testForceRetainAssignment() throws Exception {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> UTIL.getConfiguration().setBoolean(FORCE_REGION_RETAINMENT, true);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> UTIL.getConfiguration().setLong(FORCE_REGION_RETAINMENT_WAIT_INTERVAL, 50);<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> setupCluster();<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> HMaster master = UTIL.getMiniHBaseCluster().getMaster();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> SingleProcessHBaseCluster cluster = UTIL.getHBaseCluster();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> List<JVMClusterUtil.RegionServerThread> threads = cluster.getLiveRegionServerThreads();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> assertEquals(NUM_OF_RS, threads.size());<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> int[] rsPorts = new int[NUM_OF_RS];<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> for (int i = 0; i < NUM_OF_RS; i++) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> rsPorts[i] = threads.get(i).getRegionServer().getServerName().getPort();<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> }<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> // We don't have to use SnapshotOfRegionAssignmentFromMeta. We use it here because AM used to<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> // use it to load all user region placements<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> SnapshotOfRegionAssignmentFromMeta snapshot =<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> new SnapshotOfRegionAssignmentFromMeta(master.getConnection());<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> snapshot.initialize();<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> Map<RegionInfo, ServerName> regionToRegionServerMap = snapshot.getRegionToRegionServerMap();<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> for (ServerName serverName : regionToRegionServerMap.values()) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> boolean found = false; // Test only, no need to optimize<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> for (int k = 0; k < NUM_OF_RS && !found; k++) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> found = serverName.getPort() == rsPorts[k];<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> LOG.info("Server {} has regions? {}", serverName, found);<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> assertTrue(found);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span><a name="line.265"></a> |
| <span class="sourceLineNo">266</span> // Server to be restarted<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> ServerName deadRS = threads.get(0).getRegionServer().getServerName();<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> LOG.info("\n\nStopping {} server", deadRS);<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> cluster.stopRegionServer(deadRS);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> LOG.info("\n\nSleeping a bit");<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> Thread.sleep(2000);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> LOG.info("\n\nStarting region server {} second time with the same port", deadRS);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> cluster.getConf().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 3);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> cluster.getConf().setInt(HConstants.REGIONSERVER_PORT, deadRS.getPort());<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> cluster.startRegionServer();<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> ensureServersWithSamePort(master, rsPorts);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> // Wait till master is initialized and all regions are assigned<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> for (TableName TABLE : TABLES) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> UTIL.waitTableAvailable(TABLE);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> snapshot = new SnapshotOfRegionAssignmentFromMeta(master.getConnection());<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> snapshot.initialize();<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> Map<RegionInfo, ServerName> newRegionToRegionServerMap = snapshot.getRegionToRegionServerMap();<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> assertEquals(regionToRegionServerMap.size(), newRegionToRegionServerMap.size());<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> for (Map.Entry<RegionInfo, ServerName> entry : newRegionToRegionServerMap.entrySet()) {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> ServerName oldServer = regionToRegionServerMap.get(entry.getKey());<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> ServerName currentServer = entry.getValue();<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> LOG.info(<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> "Key=" + entry.getKey() + " oldServer=" + oldServer + ", currentServer=" + currentServer);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> assertEquals(entry.getKey().toString(), oldServer.getAddress(), currentServer.getAddress());<a name="line.295"></a> |
| <span class="sourceLineNo">296</span><a name="line.296"></a> |
| <span class="sourceLineNo">297</span> if (deadRS.getPort() == oldServer.getPort()) {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> // Restarted RS start code wont be same<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> assertNotEquals(oldServer.getStartcode(), currentServer.getStartcode());<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> } else {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> assertEquals(oldServer.getStartcode(), currentServer.getStartcode());<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> }<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><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> private void setupCluster() throws Exception, IOException, InterruptedException {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> // Set Zookeeper based connection registry since we will stop master and start a new master<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> // without populating the underlying config for the connection.<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> UTIL.getConfiguration().set(HConstants.CLIENT_CONNECTION_REGISTRY_IMPL_CONF_KEY,<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> HConstants.ZK_CONNECTION_REGISTRY_CLASS);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> // Enable retain assignment during ServerCrashProcedure<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> UTIL.getConfiguration().setBoolean(MASTER_SCP_RETAIN_ASSIGNMENT, true);<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> UTIL.startMiniCluster(StartTestingClusterOption.builder().masterClass(HMasterForTest.class)<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> .numRegionServers(NUM_OF_RS).build());<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> // Turn off balancer<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> UTIL.getMiniHBaseCluster().getMaster().getMasterRpcServices().synchronousBalanceSwitch(false);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> LOG.info("\n\nCreating tables");<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> for (TableName TABLE : TABLES) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> UTIL.createTable(TABLE, FAMILY);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> for (TableName TABLE : TABLES) {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> UTIL.waitTableEnabled(TABLE);<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> UTIL.getMiniHBaseCluster().getMaster();<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> }<a name="line.329"></a> |
| <span class="sourceLineNo">330</span><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> private void ensureServersWithSamePort(HMaster master, int[] rsPorts) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> // Make sure live regionservers are on the same host/port<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> List<ServerName> localServers = master.getServerManager().getOnlineServersList();<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> assertEquals(NUM_OF_RS, localServers.size());<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> for (int i = 0; i < NUM_OF_RS; i++) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> boolean found = false;<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> for (ServerName serverName : localServers) {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> if (serverName.getPort() == rsPorts[i]) {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> found = true;<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> break;<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> }<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> assertTrue(found);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span>}<a name="line.346"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
