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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertFalse;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import edu.umd.cs.findbugs.annotations.NonNull;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Map;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.ResultScanner;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.coordination.ZkSplitLogWorkerCoordination;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.master.HMaster;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.master.LoadBalancer;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.testclassification.MiscTests;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.zookeeper.ZKUtil;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.zookeeper.ZKWatcher;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.zookeeper.KeeperException;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.After;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.AfterClass;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.Before;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.ClassRule;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.Rule;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.junit.Test;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.slf4j.Logger;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61">@Category({ MiscTests.class, MediumTests.class })</span> |
| <span class="source-line-no">062</span><span id="line-62">public class TestZooKeeper {</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> @ClassRule</span> |
| <span class="source-line-no">065</span><span id="line-65"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">066</span><span id="line-66"> HBaseClassTestRule.forClass(TestZooKeeper.class);</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> private static final Logger LOG = LoggerFactory.getLogger(TestZooKeeper.class);</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @Rule</span> |
| <span class="source-line-no">073</span><span id="line-73"> public TestName name = new TestName();</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> @BeforeClass</span> |
| <span class="source-line-no">076</span><span id="line-76"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">077</span><span id="line-77"> // Test we can first start the ZK cluster by itself</span> |
| <span class="source-line-no">078</span><span id="line-78"> Configuration conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">079</span><span id="line-79"> TEST_UTIL.startMiniDFSCluster(2);</span> |
| <span class="source-line-no">080</span><span id="line-80"> TEST_UTIL.startMiniZKCluster();</span> |
| <span class="source-line-no">081</span><span id="line-81"> conf.set(HConstants.CLIENT_CONNECTION_REGISTRY_IMPL_CONF_KEY,</span> |
| <span class="source-line-no">082</span><span id="line-82"> HConstants.ZK_CONNECTION_REGISTRY_CLASS);</span> |
| <span class="source-line-no">083</span><span id="line-83"> conf.setInt(HConstants.ZK_SESSION_TIMEOUT, 1000);</span> |
| <span class="source-line-no">084</span><span id="line-84"> conf.setClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS, MockLoadBalancer.class,</span> |
| <span class="source-line-no">085</span><span id="line-85"> LoadBalancer.class);</span> |
| <span class="source-line-no">086</span><span id="line-86"> TEST_UTIL.startMiniDFSCluster(2);</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> @AfterClass</span> |
| <span class="source-line-no">090</span><span id="line-90"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">091</span><span id="line-91"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> @Before</span> |
| <span class="source-line-no">095</span><span id="line-95"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">096</span><span id="line-96"> StartTestingClusterOption option =</span> |
| <span class="source-line-no">097</span><span id="line-97"> StartTestingClusterOption.builder().numMasters(2).numRegionServers(2).build();</span> |
| <span class="source-line-no">098</span><span id="line-98"> TEST_UTIL.startMiniHBaseCluster(option);</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> @After</span> |
| <span class="source-line-no">102</span><span id="line-102"> public void after() throws Exception {</span> |
| <span class="source-line-no">103</span><span id="line-103"> try {</span> |
| <span class="source-line-no">104</span><span id="line-104"> TEST_UTIL.getHBaseCluster().waitForActiveAndReadyMaster(10000);</span> |
| <span class="source-line-no">105</span><span id="line-105"> // Some regionserver could fail to delete its znode.</span> |
| <span class="source-line-no">106</span><span id="line-106"> // So shutdown could hang. Let's kill them all instead.</span> |
| <span class="source-line-no">107</span><span id="line-107"> TEST_UTIL.getHBaseCluster().killAll();</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> // Still need to clean things up</span> |
| <span class="source-line-no">110</span><span id="line-110"> TEST_UTIL.shutdownMiniHBaseCluster();</span> |
| <span class="source-line-no">111</span><span id="line-111"> } finally {</span> |
| <span class="source-line-no">112</span><span id="line-112"> TEST_UTIL.getTestFileSystem().delete(CommonFSUtils.getRootDir(TEST_UTIL.getConfiguration()),</span> |
| <span class="source-line-no">113</span><span id="line-113"> true);</span> |
| <span class="source-line-no">114</span><span id="line-114"> ZKUtil.deleteNodeRecursively(TEST_UTIL.getZooKeeperWatcher(), "/hbase");</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> @Test</span> |
| <span class="source-line-no">119</span><span id="line-119"> public void testRegionServerSessionExpired() throws Exception {</span> |
| <span class="source-line-no">120</span><span id="line-120"> LOG.info("Starting " + name.getMethodName());</span> |
| <span class="source-line-no">121</span><span id="line-121"> TEST_UTIL.expireRegionServerSession(0);</span> |
| <span class="source-line-no">122</span><span id="line-122"> testSanity(name.getMethodName());</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> @Test</span> |
| <span class="source-line-no">126</span><span id="line-126"> public void testMasterSessionExpired() throws Exception {</span> |
| <span class="source-line-no">127</span><span id="line-127"> LOG.info("Starting " + name.getMethodName());</span> |
| <span class="source-line-no">128</span><span id="line-128"> TEST_UTIL.expireMasterSession();</span> |
| <span class="source-line-no">129</span><span id="line-129"> testSanity(name.getMethodName());</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> /**</span> |
| <span class="source-line-no">133</span><span id="line-133"> * Master recovery when the znode already exists. Internally, this test differs from</span> |
| <span class="source-line-no">134</span><span id="line-134"> * {@link #testMasterSessionExpired} because here the master znode will exist in ZK.</span> |
| <span class="source-line-no">135</span><span id="line-135"> */</span> |
| <span class="source-line-no">136</span><span id="line-136"> @Test</span> |
| <span class="source-line-no">137</span><span id="line-137"> public void testMasterZKSessionRecoveryFailure() throws Exception {</span> |
| <span class="source-line-no">138</span><span id="line-138"> LOG.info("Starting " + name.getMethodName());</span> |
| <span class="source-line-no">139</span><span id="line-139"> SingleProcessHBaseCluster cluster = TEST_UTIL.getHBaseCluster();</span> |
| <span class="source-line-no">140</span><span id="line-140"> HMaster m = cluster.getMaster();</span> |
| <span class="source-line-no">141</span><span id="line-141"> m.abort("Test recovery from zk session expired", new KeeperException.SessionExpiredException());</span> |
| <span class="source-line-no">142</span><span id="line-142"> assertTrue(m.isStopped()); // Master doesn't recover any more</span> |
| <span class="source-line-no">143</span><span id="line-143"> testSanity(name.getMethodName());</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> /**</span> |
| <span class="source-line-no">147</span><span id="line-147"> * Make sure we can use the cluster</span> |
| <span class="source-line-no">148</span><span id="line-148"> */</span> |
| <span class="source-line-no">149</span><span id="line-149"> private void testSanity(final String testName) throws Exception {</span> |
| <span class="source-line-no">150</span><span id="line-150"> String tableName = testName + "_" + EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">151</span><span id="line-151"> TableDescriptor desc = TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName))</span> |
| <span class="source-line-no">152</span><span id="line-152"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("fam")).build();</span> |
| <span class="source-line-no">153</span><span id="line-153"> LOG.info("Creating table " + tableName);</span> |
| <span class="source-line-no">154</span><span id="line-154"> Admin admin = TEST_UTIL.getAdmin();</span> |
| <span class="source-line-no">155</span><span id="line-155"> try {</span> |
| <span class="source-line-no">156</span><span id="line-156"> admin.createTable(desc);</span> |
| <span class="source-line-no">157</span><span id="line-157"> } finally {</span> |
| <span class="source-line-no">158</span><span id="line-158"> admin.close();</span> |
| <span class="source-line-no">159</span><span id="line-159"> }</span> |
| <span class="source-line-no">160</span><span id="line-160"></span> |
| <span class="source-line-no">161</span><span id="line-161"> Table table = TEST_UTIL.getConnection().getTable(desc.getTableName());</span> |
| <span class="source-line-no">162</span><span id="line-162"> Put put = new Put(Bytes.toBytes("testrow"));</span> |
| <span class="source-line-no">163</span><span id="line-163"> put.addColumn(Bytes.toBytes("fam"), Bytes.toBytes("col"), Bytes.toBytes("testdata"));</span> |
| <span class="source-line-no">164</span><span id="line-164"> LOG.info("Putting table " + tableName);</span> |
| <span class="source-line-no">165</span><span id="line-165"> table.put(put);</span> |
| <span class="source-line-no">166</span><span id="line-166"> table.close();</span> |
| <span class="source-line-no">167</span><span id="line-167"> }</span> |
| <span class="source-line-no">168</span><span id="line-168"></span> |
| <span class="source-line-no">169</span><span id="line-169"> /**</span> |
| <span class="source-line-no">170</span><span id="line-170"> * Tests that the master does not call retainAssignment after recovery from expired zookeeper</span> |
| <span class="source-line-no">171</span><span id="line-171"> * session. Without the HBASE-6046 fix master always tries to assign all the user regions by</span> |
| <span class="source-line-no">172</span><span id="line-172"> * calling retainAssignment.</span> |
| <span class="source-line-no">173</span><span id="line-173"> */</span> |
| <span class="source-line-no">174</span><span id="line-174"> @Test</span> |
| <span class="source-line-no">175</span><span id="line-175"> public void testRegionAssignmentAfterMasterRecoveryDueToZKExpiry() throws Exception {</span> |
| <span class="source-line-no">176</span><span id="line-176"> SingleProcessHBaseCluster cluster = TEST_UTIL.getHBaseCluster();</span> |
| <span class="source-line-no">177</span><span id="line-177"> cluster.startRegionServer();</span> |
| <span class="source-line-no">178</span><span id="line-178"> cluster.waitForActiveAndReadyMaster(10000);</span> |
| <span class="source-line-no">179</span><span id="line-179"> HMaster m = cluster.getMaster();</span> |
| <span class="source-line-no">180</span><span id="line-180"> final ZKWatcher zkw = m.getZooKeeper();</span> |
| <span class="source-line-no">181</span><span id="line-181"> // now the cluster is up. So assign some regions.</span> |
| <span class="source-line-no">182</span><span id="line-182"> try (Admin admin = TEST_UTIL.getAdmin()) {</span> |
| <span class="source-line-no">183</span><span id="line-183"> byte[][] SPLIT_KEYS = new byte[][] { Bytes.toBytes("a"), Bytes.toBytes("b"),</span> |
| <span class="source-line-no">184</span><span id="line-184"> Bytes.toBytes("c"), Bytes.toBytes("d"), Bytes.toBytes("e"), Bytes.toBytes("f"),</span> |
| <span class="source-line-no">185</span><span id="line-185"> Bytes.toBytes("g"), Bytes.toBytes("h"), Bytes.toBytes("i"), Bytes.toBytes("j") };</span> |
| <span class="source-line-no">186</span><span id="line-186"> TableDescriptor htd =</span> |
| <span class="source-line-no">187</span><span id="line-187"> TableDescriptorBuilder.newBuilder(TableName.valueOf(name.getMethodName()))</span> |
| <span class="source-line-no">188</span><span id="line-188"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(HConstants.CATALOG_FAMILY)).build();</span> |
| <span class="source-line-no">189</span><span id="line-189"> admin.createTable(htd, SPLIT_KEYS);</span> |
| <span class="source-line-no">190</span><span id="line-190"> TEST_UTIL.waitUntilNoRegionsInTransition(60000);</span> |
| <span class="source-line-no">191</span><span id="line-191"> m.getZooKeeper().close();</span> |
| <span class="source-line-no">192</span><span id="line-192"> MockLoadBalancer.retainAssignCalled = false;</span> |
| <span class="source-line-no">193</span><span id="line-193"> final int expectedNumOfListeners = countPermanentListeners(zkw);</span> |
| <span class="source-line-no">194</span><span id="line-194"> // the master could already been aborted by some background tasks but here we call abort</span> |
| <span class="source-line-no">195</span><span id="line-195"> // directly to make sure this will happen</span> |
| <span class="source-line-no">196</span><span id="line-196"> m.abort("Test recovery from zk session expired",</span> |
| <span class="source-line-no">197</span><span id="line-197"> new KeeperException.SessionExpiredException());</span> |
| <span class="source-line-no">198</span><span id="line-198"> // it is possible that our abort call above returned earlier because of someone else has</span> |
| <span class="source-line-no">199</span><span id="line-199"> // already called abort, but it is possible that it has not finished the abort call yet so the</span> |
| <span class="source-line-no">200</span><span id="line-200"> // isStopped flag is still false, let's wait for sometime.</span> |
| <span class="source-line-no">201</span><span id="line-201"> TEST_UTIL.waitFor(5000, () -> m.isStopped()); // Master doesn't recover any more</span> |
| <span class="source-line-no">202</span><span id="line-202"></span> |
| <span class="source-line-no">203</span><span id="line-203"> // The recovered master should not call retainAssignment, as it is not a</span> |
| <span class="source-line-no">204</span><span id="line-204"> // clean startup.</span> |
| <span class="source-line-no">205</span><span id="line-205"> assertFalse("Retain assignment should not be called", MockLoadBalancer.retainAssignCalled);</span> |
| <span class="source-line-no">206</span><span id="line-206"> // number of listeners should be same as the value before master aborted</span> |
| <span class="source-line-no">207</span><span id="line-207"> // wait for new master is initialized</span> |
| <span class="source-line-no">208</span><span id="line-208"> cluster.waitForActiveAndReadyMaster(120000);</span> |
| <span class="source-line-no">209</span><span id="line-209"> final HMaster newMaster = cluster.getMasterThread().getMaster();</span> |
| <span class="source-line-no">210</span><span id="line-210"> assertEquals(expectedNumOfListeners, countPermanentListeners(newMaster.getZooKeeper()));</span> |
| <span class="source-line-no">211</span><span id="line-211"> }</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"></span> |
| <span class="source-line-no">214</span><span id="line-214"> /**</span> |
| <span class="source-line-no">215</span><span id="line-215"> * Count listeners in zkw excluding listeners, that belongs to workers or other temporary</span> |
| <span class="source-line-no">216</span><span id="line-216"> * processes.</span> |
| <span class="source-line-no">217</span><span id="line-217"> */</span> |
| <span class="source-line-no">218</span><span id="line-218"> private int countPermanentListeners(ZKWatcher watcher) {</span> |
| <span class="source-line-no">219</span><span id="line-219"> return countListeners(watcher, ZkSplitLogWorkerCoordination.class);</span> |
| <span class="source-line-no">220</span><span id="line-220"> }</span> |
| <span class="source-line-no">221</span><span id="line-221"></span> |
| <span class="source-line-no">222</span><span id="line-222"> /**</span> |
| <span class="source-line-no">223</span><span id="line-223"> * Count listeners in zkw excluding provided classes</span> |
| <span class="source-line-no">224</span><span id="line-224"> */</span> |
| <span class="source-line-no">225</span><span id="line-225"> private int countListeners(ZKWatcher watcher, Class<?>... exclude) {</span> |
| <span class="source-line-no">226</span><span id="line-226"> int cnt = 0;</span> |
| <span class="source-line-no">227</span><span id="line-227"> for (Object o : watcher.getListeners()) {</span> |
| <span class="source-line-no">228</span><span id="line-228"> boolean skip = false;</span> |
| <span class="source-line-no">229</span><span id="line-229"> for (Class<?> aClass : exclude) {</span> |
| <span class="source-line-no">230</span><span id="line-230"> if (aClass.isAssignableFrom(o.getClass())) {</span> |
| <span class="source-line-no">231</span><span id="line-231"> skip = true;</span> |
| <span class="source-line-no">232</span><span id="line-232"> break;</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"> }</span> |
| <span class="source-line-no">235</span><span id="line-235"> if (!skip) {</span> |
| <span class="source-line-no">236</span><span id="line-236"> cnt += 1;</span> |
| <span class="source-line-no">237</span><span id="line-237"> }</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"> return cnt;</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> /**</span> |
| <span class="source-line-no">243</span><span id="line-243"> * Tests whether the logs are split when master recovers from a expired zookeeper session and an</span> |
| <span class="source-line-no">244</span><span id="line-244"> * RS goes down.</span> |
| <span class="source-line-no">245</span><span id="line-245"> */</span> |
| <span class="source-line-no">246</span><span id="line-246"> @Test</span> |
| <span class="source-line-no">247</span><span id="line-247"> public void testLogSplittingAfterMasterRecoveryDueToZKExpiry() throws Exception {</span> |
| <span class="source-line-no">248</span><span id="line-248"> SingleProcessHBaseCluster cluster = TEST_UTIL.getHBaseCluster();</span> |
| <span class="source-line-no">249</span><span id="line-249"> cluster.startRegionServer();</span> |
| <span class="source-line-no">250</span><span id="line-250"> TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">251</span><span id="line-251"> byte[] family = Bytes.toBytes("col");</span> |
| <span class="source-line-no">252</span><span id="line-252"> try (Admin admin = TEST_UTIL.getAdmin()) {</span> |
| <span class="source-line-no">253</span><span id="line-253"> byte[][] SPLIT_KEYS = new byte[][] { Bytes.toBytes("1"), Bytes.toBytes("2"),</span> |
| <span class="source-line-no">254</span><span id="line-254"> Bytes.toBytes("3"), Bytes.toBytes("4"), Bytes.toBytes("5") };</span> |
| <span class="source-line-no">255</span><span id="line-255"> TableDescriptor htd = TableDescriptorBuilder.newBuilder(tableName)</span> |
| <span class="source-line-no">256</span><span id="line-256"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family)).build();</span> |
| <span class="source-line-no">257</span><span id="line-257"> admin.createTable(htd, SPLIT_KEYS);</span> |
| <span class="source-line-no">258</span><span id="line-258"> }</span> |
| <span class="source-line-no">259</span><span id="line-259"> TEST_UTIL.waitUntilNoRegionsInTransition(60000);</span> |
| <span class="source-line-no">260</span><span id="line-260"> HMaster m = cluster.getMaster();</span> |
| <span class="source-line-no">261</span><span id="line-261"> try (Table table = TEST_UTIL.getConnection().getTable(tableName)) {</span> |
| <span class="source-line-no">262</span><span id="line-262"> int numberOfPuts;</span> |
| <span class="source-line-no">263</span><span id="line-263"> for (numberOfPuts = 0; numberOfPuts < 6; numberOfPuts++) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> Put p = new Put(Bytes.toBytes(numberOfPuts));</span> |
| <span class="source-line-no">265</span><span id="line-265"> p.addColumn(Bytes.toBytes("col"), Bytes.toBytes("ql"),</span> |
| <span class="source-line-no">266</span><span id="line-266"> Bytes.toBytes("value" + numberOfPuts));</span> |
| <span class="source-line-no">267</span><span id="line-267"> table.put(p);</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"> m.abort("Test recovery from zk session expired",</span> |
| <span class="source-line-no">270</span><span id="line-270"> new KeeperException.SessionExpiredException());</span> |
| <span class="source-line-no">271</span><span id="line-271"> assertTrue(m.isStopped()); // Master doesn't recover any more</span> |
| <span class="source-line-no">272</span><span id="line-272"> cluster.killRegionServer(TEST_UTIL.getRSForFirstRegionInTable(tableName).getServerName());</span> |
| <span class="source-line-no">273</span><span id="line-273"> // Without patch for HBASE-6046 this test case will always timeout</span> |
| <span class="source-line-no">274</span><span id="line-274"> // with patch the test case should pass.</span> |
| <span class="source-line-no">275</span><span id="line-275"> int numberOfRows = 0;</span> |
| <span class="source-line-no">276</span><span id="line-276"> try (ResultScanner scanner = table.getScanner(new Scan())) {</span> |
| <span class="source-line-no">277</span><span id="line-277"> while (scanner.next() != null) {</span> |
| <span class="source-line-no">278</span><span id="line-278"> numberOfRows++;</span> |
| <span class="source-line-no">279</span><span id="line-279"> }</span> |
| <span class="source-line-no">280</span><span id="line-280"> }</span> |
| <span class="source-line-no">281</span><span id="line-281"> assertEquals("Number of rows should be equal to number of puts.", numberOfPuts, numberOfRows);</span> |
| <span class="source-line-no">282</span><span id="line-282"> }</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"></span> |
| <span class="source-line-no">285</span><span id="line-285"> static class MockLoadBalancer extends SimpleLoadBalancer {</span> |
| <span class="source-line-no">286</span><span id="line-286"> static boolean retainAssignCalled = false;</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> @Override</span> |
| <span class="source-line-no">289</span><span id="line-289"> @NonNull</span> |
| <span class="source-line-no">290</span><span id="line-290"> public Map<ServerName, List<RegionInfo>> retainAssignment(Map<RegionInfo, ServerName> regions,</span> |
| <span class="source-line-no">291</span><span id="line-291"> List<ServerName> servers) throws HBaseIOException {</span> |
| <span class="source-line-no">292</span><span id="line-292"> retainAssignCalled = true;</span> |
| <span class="source-line-no">293</span><span id="line-293"> return super.retainAssignment(regions, servers);</span> |
| <span class="source-line-no">294</span><span id="line-294"> }</span> |
| <span class="source-line-no">295</span><span id="line-295"> }</span> |
| <span class="source-line-no">296</span><span id="line-296"></span> |
| <span class="source-line-no">297</span><span id="line-297">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
