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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;<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.assertTrue;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Map;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.conf.Configuration;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Put;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Table;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.coordination.ZkSplitLogWorkerCoordination;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.master.LoadBalancer;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer;<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.testclassification.MiscTests;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.zookeeper.KeeperException;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.After;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.AfterClass;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.Before;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.junit.BeforeClass;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.junit.ClassRule;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.Rule;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.Test;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.experimental.categories.Category;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.rules.TestName;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.slf4j.Logger;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.slf4j.LoggerFactory;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span>@Category({MiscTests.class, MediumTests.class})<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>public class TestZooKeeper {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> @ClassRule<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> HBaseClassTestRule.forClass(TestZooKeeper.class);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static final Logger LOG = LoggerFactory.getLogger(TestZooKeeper.class);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> @Rule<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public TestName name = new TestName();<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> @BeforeClass<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public static void setUpBeforeClass() throws Exception {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> // Test we can first start the ZK cluster by itself<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> TEST_UTIL.startMiniDFSCluster(2);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> TEST_UTIL.startMiniZKCluster();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> conf.set(HConstants.CLIENT_CONNECTION_REGISTRY_IMPL_CONF_KEY,<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> HConstants.ZK_CONNECTION_REGISTRY_CLASS);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> conf.setInt(HConstants.ZK_SESSION_TIMEOUT, 1000);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> conf.setClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS, MockLoadBalancer.class,<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> LoadBalancer.class);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> TEST_UTIL.startMiniDFSCluster(2);<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> @AfterClass<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public static void tearDownAfterClass() throws Exception {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> TEST_UTIL.shutdownMiniCluster();<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> @Before<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> public void setUp() throws Exception {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> StartMiniClusterOption option = StartMiniClusterOption.builder()<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> .numMasters(2).numRegionServers(2).build();<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> TEST_UTIL.startMiniHBaseCluster(option);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> @After<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> public void after() throws Exception {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> try {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> TEST_UTIL.getHBaseCluster().waitForActiveAndReadyMaster(10000);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // Some regionserver could fail to delete its znode.<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> // So shutdown could hang. Let's kill them all instead.<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> TEST_UTIL.getHBaseCluster().killAll();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> // Still need to clean things up<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> TEST_UTIL.shutdownMiniHBaseCluster();<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> } finally {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> TEST_UTIL.getTestFileSystem().delete(CommonFSUtils.getRootDir(TEST_UTIL.getConfiguration()),<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> true);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> ZKUtil.deleteNodeRecursively(TEST_UTIL.getZooKeeperWatcher(), "/hbase");<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> @Test<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> public void testRegionServerSessionExpired() throws Exception {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> LOG.info("Starting " + name.getMethodName());<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> TEST_UTIL.expireRegionServerSession(0);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> testSanity(name.getMethodName());<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> @Test<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> public void testMasterSessionExpired() throws Exception {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> LOG.info("Starting " + name.getMethodName());<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> TEST_UTIL.expireMasterSession();<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> testSanity(name.getMethodName());<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<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> * Master recovery when the znode already exists. Internally, this<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * test differs from {@link #testMasterSessionExpired} because here<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * the master znode will exist in ZK.<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> */<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> @Test<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> public void testMasterZKSessionRecoveryFailure() throws Exception {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> LOG.info("Starting " + name.getMethodName());<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> HMaster m = cluster.getMaster();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> m.abort("Test recovery from zk session expired",<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> new KeeperException.SessionExpiredException());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> assertTrue(m.isStopped()); // Master doesn't recover any more<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> testSanity(name.getMethodName());<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> /**<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * Make sure we can use the cluster<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> */<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> private void testSanity(final String testName) throws Exception {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> String tableName = testName + "_" + System.currentTimeMillis();<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> TableDescriptor desc = TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName))<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("fam")).build();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> LOG.info("Creating table " + tableName);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> Admin admin = TEST_UTIL.getAdmin();<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> try {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> admin.createTable(desc);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> } finally {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> admin.close();<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> Table table = TEST_UTIL.getConnection().getTable(desc.getTableName());<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> Put put = new Put(Bytes.toBytes("testrow"));<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> put.addColumn(Bytes.toBytes("fam"), Bytes.toBytes("col"), Bytes.toBytes("testdata"));<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> LOG.info("Putting table " + tableName);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> table.put(put);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> table.close();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> /**<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * Tests that the master does not call retainAssignment after recovery from expired zookeeper<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> * session. Without the HBASE-6046 fix master always tries to assign all the user regions by<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * calling retainAssignment.<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> */<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> @Test<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> public void testRegionAssignmentAfterMasterRecoveryDueToZKExpiry() throws Exception {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> cluster.startRegionServer();<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> cluster.waitForActiveAndReadyMaster(10000);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> HMaster m = cluster.getMaster();<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> final ZKWatcher zkw = m.getZooKeeper();<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> // now the cluster is up. So assign some regions.<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> try (Admin admin = TEST_UTIL.getAdmin()) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> byte[][] SPLIT_KEYS = new byte[][] { Bytes.toBytes("a"), Bytes.toBytes("b"),<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> Bytes.toBytes("c"), Bytes.toBytes("d"), Bytes.toBytes("e"), Bytes.toBytes("f"),<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> Bytes.toBytes("g"), Bytes.toBytes("h"), Bytes.toBytes("i"), Bytes.toBytes("j") };<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> TableDescriptor htd =<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(name.getMethodName()))<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(HConstants.CATALOG_FAMILY)).build();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> admin.createTable(htd, SPLIT_KEYS);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> TEST_UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> m.getZooKeeper().close();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> MockLoadBalancer.retainAssignCalled = false;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> final int expectedNumOfListeners = countPermanentListeners(zkw);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> m.abort("Test recovery from zk session expired",<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> new KeeperException.SessionExpiredException());<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> assertTrue(m.isStopped()); // Master doesn't recover any more<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // The recovered master should not call retainAssignment, as it is not a<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> // clean startup.<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> assertFalse("Retain assignment should not be called", MockLoadBalancer.retainAssignCalled);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> // number of listeners should be same as the value before master aborted<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // wait for new master is initialized<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> cluster.waitForActiveAndReadyMaster(120000);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> final HMaster newMaster = cluster.getMasterThread().getMaster();<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> assertEquals(expectedNumOfListeners, countPermanentListeners(newMaster.getZooKeeper()));<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> /**<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> * Count listeners in zkw excluding listeners, that belongs to workers or other<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * temporary processes.<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> */<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> private int countPermanentListeners(ZKWatcher watcher) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> return countListeners(watcher, ZkSplitLogWorkerCoordination.class);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> }<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> /**<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> * Count listeners in zkw excluding provided classes<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> */<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> private int countListeners(ZKWatcher watcher, Class<?>... exclude) {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> int cnt = 0;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> for (Object o : watcher.getListeners()) {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> boolean skip = false;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> for (Class<?> aClass : exclude) {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> if (aClass.isAssignableFrom(o.getClass())) {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> skip = true;<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> break;<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> if (!skip) {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> cnt += 1;<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> return cnt;<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> /**<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * Tests whether the logs are split when master recovers from a expired zookeeper session and an<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> * RS goes down.<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> */<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> @Test<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> public void testLogSplittingAfterMasterRecoveryDueToZKExpiry() throws Exception {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> cluster.startRegionServer();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> byte[] family = Bytes.toBytes("col");<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> try (Admin admin = TEST_UTIL.getAdmin()) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> byte[][] SPLIT_KEYS = new byte[][] { Bytes.toBytes("1"), Bytes.toBytes("2"),<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> Bytes.toBytes("3"), Bytes.toBytes("4"), Bytes.toBytes("5") };<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> TableDescriptor htd = TableDescriptorBuilder.newBuilder(tableName)<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family)).build();<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> admin.createTable(htd, SPLIT_KEYS);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> }<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> TEST_UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> HMaster m = cluster.getMaster();<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> try (Table table = TEST_UTIL.getConnection().getTable(tableName)) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> int numberOfPuts;<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> for (numberOfPuts = 0; numberOfPuts < 6; numberOfPuts++) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> Put p = new Put(Bytes.toBytes(numberOfPuts));<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> p.addColumn(Bytes.toBytes("col"), Bytes.toBytes("ql"),<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> Bytes.toBytes("value" + numberOfPuts));<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> table.put(p);<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> m.abort("Test recovery from zk session expired",<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> new KeeperException.SessionExpiredException());<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> assertTrue(m.isStopped()); // Master doesn't recover any more<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> cluster.killRegionServer(TEST_UTIL.getRSForFirstRegionInTable(tableName).getServerName());<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> // Without patch for HBASE-6046 this test case will always timeout<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> // with patch the test case should pass.<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> int numberOfRows = 0;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> try (ResultScanner scanner = table.getScanner(new Scan())) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> while (scanner.next() != null) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> numberOfRows++;<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> assertEquals("Number of rows should be equal to number of puts.", numberOfPuts, numberOfRows);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> static class MockLoadBalancer extends SimpleLoadBalancer {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> static boolean retainAssignCalled = false;<a name="line.280"></a> |
| <span class="sourceLineNo">281</span><a name="line.281"></a> |
| <span class="sourceLineNo">282</span> @Override<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> public Map<ServerName, List<RegionInfo>> retainAssignment(<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> Map<RegionInfo, ServerName> regions, List<ServerName> servers) throws HBaseIOException {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> retainAssignCalled = true;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> return super.retainAssignment(regions, servers);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> }<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span><a name="line.289"></a> |
| <span class="sourceLineNo">290</span>}<a name="line.290"></a> |
| <span class="sourceLineNo">291</span><a name="line.291"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
