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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.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertNotEquals;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertNotNull;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.nio.charset.StandardCharsets;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.ArrayList;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Collection;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.EnumSet;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.HashMap;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.HashSet;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.List;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.Map;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.Set;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CatalogFamilyFormat;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.ClientMetaTableAccessor;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HConstants;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.ServerName;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.StartTestingClusterOption;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.TableName;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Result;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Table;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.junit.AfterClass;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.junit.BeforeClass;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.junit.ClassRule;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.junit.Rule;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>import org.junit.Test;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.junit.experimental.categories.Category;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>import org.junit.rules.TestName;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>import org.slf4j.Logger;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>import org.slf4j.LoggerFactory;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span>import org.apache.hbase.thirdparty.com.google.common.io.Closeables;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.76"></a> |
| <span class="sourceLineNo">077</span>public class TestMasterOperationsForRegionReplicas {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> @ClassRule<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> HBaseClassTestRule.forClass(TestMasterOperationsForRegionReplicas.class);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private static final Logger LOG = LoggerFactory.getLogger(TestRegionPlacement.class);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private static Connection CONNECTION = null;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private static Admin ADMIN;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> private static int numSlaves = 2;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private final static StartTestingClusterOption option = StartTestingClusterOption.builder()<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> .numRegionServers(numSlaves).numMasters(1).numAlwaysStandByMasters(1).build();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private static Configuration conf;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> @Rule<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> public TestName name = new TestName();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> @BeforeClass<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> public static void setupBeforeClass() throws Exception {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> conf = TEST_UTIL.getConfiguration();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> conf.setBoolean("hbase.tests.use.shortcircuit.reads", false);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> TEST_UTIL.startMiniCluster(option);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> TEST_UTIL.getAdmin().balancerSwitch(false, true);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> resetConnections();<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> while (<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> ADMIN.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics().size()<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> < numSlaves<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> ) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> Thread.sleep(100);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> private static void resetConnections() throws IOException {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> Closeables.close(ADMIN, true);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> Closeables.close(CONNECTION, true);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> CONNECTION = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> ADMIN = CONNECTION.getAdmin();<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span><a name="line.116"></a> |
| <span class="sourceLineNo">117</span> @AfterClass<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public static void tearDownAfterClass() throws Exception {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> Closeables.close(ADMIN, true);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> Closeables.close(CONNECTION, true);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> TEST_UTIL.shutdownMiniCluster();<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> @Test<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> public void testCreateTableWithSingleReplica() throws Exception {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> final int numRegions = 3;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> final int numReplica = 1;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> try {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> TableDescriptor desc =<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(numReplica)<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("family")).build();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> ADMIN.createTable(desc, Bytes.toBytes("A"), Bytes.toBytes("Z"), numRegions);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> validateNumberOfRowsInMeta(tableName, numRegions, ADMIN.getConnection());<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> List<RegionInfo> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> assertEquals(numRegions * numReplica, hris.size());<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> } finally {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> ADMIN.disableTable(tableName);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> ADMIN.deleteTable(tableName);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> @Test<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> public void testCreateTableWithMultipleReplicas() throws Exception {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> final int numRegions = 3;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> final int numReplica = 2;<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> try {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> TableDescriptor desc =<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(numReplica)<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("family")).build();<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> ADMIN.createTable(desc, Bytes.toBytes("A"), Bytes.toBytes("Z"), numRegions);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> validateNumberOfRowsInMeta(tableName, numRegions, ADMIN.getConnection());<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> List<RegionInfo> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> assertEquals(numRegions * numReplica, hris.size());<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> assertRegionStateNotNull(hris, numRegions, numReplica);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> List<Result> metaRows = MetaTableAccessor.fullScanRegions(ADMIN.getConnection());<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> int numRows = 0;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> for (Result result : metaRows) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> RegionLocations locations = CatalogFamilyFormat.getRegionLocations(result);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> RegionInfo hri = locations.getRegionLocation().getRegion();<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> if (!hri.getTable().equals(tableName)) continue;<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> numRows += 1;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> HRegionLocation[] servers = locations.getRegionLocations();<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> // have two locations for the replicas of a region, and the locations should be different<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> assertEquals(2, servers.length);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> assertNotEquals(servers[1], servers[0]);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> assertEquals(numRegions, numRows);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> // The same verification of the meta as above but with the SnapshotOfRegionAssignmentFromMeta<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> // class<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> validateFromSnapshotFromMeta(TEST_UTIL, tableName, numRegions, numReplica,<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> ADMIN.getConnection());<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> // Now kill the master, restart it and see if the assignments are kept<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> ServerName master = TEST_UTIL.getHBaseClusterInterface().getClusterMetrics().getMasterName();<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> TEST_UTIL.getHBaseClusterInterface().stopMaster(master);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> TEST_UTIL.getHBaseClusterInterface().waitForMasterToStop(master, 30000);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> TEST_UTIL.getHBaseClusterInterface().startMaster(master.getHostname(), master.getPort());<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> TEST_UTIL.getHBaseClusterInterface().waitForActiveAndReadyMaster();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> assertRegionStateNotNull(hris, numRegions, numReplica);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> validateFromSnapshotFromMeta(TEST_UTIL, tableName, numRegions, numReplica,<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> ADMIN.getConnection());<a name="line.193"></a> |
| <span class="sourceLineNo">194</span><a name="line.194"></a> |
| <span class="sourceLineNo">195</span> // Now shut the whole cluster down, and verify the assignments are kept so that the<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> // availability constraints are met. MiniHBaseCluster chooses arbitrary ports on each<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // restart. This messes with our being able to test that we retain locality. Therefore,<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> // figure current cluster ports and pass them in on next cluster start so new cluster comes<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> // up at same coordinates -- and the assignment retention logic has a chance to cut in.<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> List<Integer> rsports = new ArrayList<>();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> for (JVMClusterUtil.RegionServerThread rst : TEST_UTIL.getHBaseCluster()<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> .getLiveRegionServerThreads()) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> rsports.add(rst.getRegionServer().getRpcServer().getListenerAddress().getPort());<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> TEST_UTIL.shutdownMiniHBaseCluster();<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> StartTestingClusterOption option =<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> StartTestingClusterOption.builder().numRegionServers(numSlaves).rsPorts(rsports).build();<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> TEST_UTIL.startMiniHBaseCluster(option);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> resetConnections();<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> validateFromSnapshotFromMeta(TEST_UTIL, tableName, numRegions, numReplica,<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> ADMIN.getConnection());<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> // Now shut the whole cluster down, and verify regions are assigned even if there is only<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> // one server running<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> TEST_UTIL.shutdownMiniHBaseCluster();<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> TEST_UTIL.startMiniHBaseCluster();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> resetConnections();<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> validateSingleRegionServerAssignment(ADMIN.getConnection(), numRegions, numReplica);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> for (int i = 1; i < numSlaves; i++) { // restore the cluster<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> TEST_UTIL.getMiniHBaseCluster().startRegionServer();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> // Check on alter table<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> ADMIN.disableTable(tableName);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> assertTrue(ADMIN.isTableDisabled(tableName));<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> // increase the replica<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> ADMIN.modifyTable(<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> TableDescriptorBuilder.newBuilder(desc).setRegionReplication(numReplica + 1).build());<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> ADMIN.enableTable(tableName);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> LOG.info(ADMIN.getDescriptor(tableName).toString());<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> assertTrue(ADMIN.isTableEnabled(tableName));<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> List<RegionInfo> regions = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager()<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> .getRegionStates().getRegionsOfTable(tableName);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> assertTrue("regions.size=" + regions.size() + ", numRegions=" + numRegions + ", numReplica="<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> + numReplica, regions.size() == numRegions * (numReplica + 1));<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> // decrease the replica(earlier, table was modified to have a replica count of numReplica + 1)<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> ADMIN.disableTable(tableName);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> ADMIN.modifyTable(<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> TableDescriptorBuilder.newBuilder(desc).setRegionReplication(numReplica).build());<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> ADMIN.enableTable(tableName);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> assertTrue(ADMIN.isTableEnabled(tableName));<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> regions = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager().getRegionStates()<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> .getRegionsOfTable(tableName);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> assertEquals(numRegions * numReplica, regions.size());<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> // also make sure the meta table has the replica locations removed<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> assertEquals(numRegions * numReplica, hris.size());<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // just check that the number of default replica regions in the meta table are the same<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> // as the number of regions the table was created with, and the count of the<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> // replicas is numReplica for each region<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> Map<RegionInfo, Integer> defaultReplicas = new HashMap<>();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> for (RegionInfo hri : hris) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> RegionInfo regionReplica0 = RegionReplicaUtil.getRegionInfoForDefaultReplica(hri);<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> Integer i = defaultReplicas.get(regionReplica0);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> defaultReplicas.put(regionReplica0, i == null ? 1 : i + 1);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> assertEquals(numRegions, defaultReplicas.size());<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> Collection<Integer> counts = new HashSet<>(defaultReplicas.values());<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> assertEquals(1, counts.size());<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> assertTrue(counts.contains(numReplica));<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> } finally {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> ADMIN.disableTable(tableName);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> ADMIN.deleteTable(tableName);<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><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> private void assertRegionStateNotNull(List<RegionInfo> hris, int numRegions, int numReplica) {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> // check that the master created expected number of RegionState objects<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> for (int i = 0; i < numRegions; i++) {<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> for (int j = 0; j < numReplica; j++) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> RegionInfo replica = RegionReplicaUtil.getRegionInfoForReplica(hris.get(i), j);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> RegionState state = TEST_UTIL.getHBaseCluster().getMaster().getAssignmentManager()<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> .getRegionStates().getRegionState(replica);<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> assertNotNull(state);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> }<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> @Test<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> public void testIncompleteMetaTableReplicaInformation() throws Exception {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> final int numRegions = 3;<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> final int numReplica = 2;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> try {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> // Create a table and let the meta table be updated with the location of the<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // region locations.<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> TableDescriptor desc =<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(numReplica)<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("family")).build();<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> ADMIN.createTable(desc, Bytes.toBytes("A"), Bytes.toBytes("Z"), numRegions);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> Set<byte[]> tableRows = new HashSet<>();<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> List<RegionInfo> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> for (RegionInfo hri : hris) {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> tableRows.add(hri.getRegionName());<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> ADMIN.disableTable(tableName);<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> // now delete one replica info from all the rows<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> // this is to make the meta appear to be only partially updated<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> Table metaTable = ADMIN.getConnection().getTable(TableName.META_TABLE_NAME);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> for (byte[] row : tableRows) {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> Delete deleteOneReplicaLocation = new Delete(row);<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> deleteOneReplicaLocation.addColumns(HConstants.CATALOG_FAMILY,<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> CatalogFamilyFormat.getServerColumn(1));<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> deleteOneReplicaLocation.addColumns(HConstants.CATALOG_FAMILY,<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> CatalogFamilyFormat.getSeqNumColumn(1));<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> deleteOneReplicaLocation.addColumns(HConstants.CATALOG_FAMILY,<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> CatalogFamilyFormat.getStartCodeColumn(1));<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> metaTable.delete(deleteOneReplicaLocation);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> metaTable.close();<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> // even if the meta table is partly updated, when we re-enable the table, we should<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> // get back the desired number of replicas for the regions<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> ADMIN.enableTable(tableName);<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> assertTrue(ADMIN.isTableEnabled(tableName));<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> List<RegionInfo> regions = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager()<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> .getRegionStates().getRegionsOfTable(tableName);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> assertEquals(numRegions * numReplica, regions.size());<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> } finally {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> ADMIN.disableTable(tableName);<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> ADMIN.deleteTable(tableName);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> }<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span><a name="line.336"></a> |
| <span class="sourceLineNo">337</span> private void validateNumberOfRowsInMeta(final TableName table, int numRegions,<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> Connection connection) throws IOException {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> assert (ADMIN.tableExists(table));<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> final AtomicInteger count = new AtomicInteger();<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> ClientMetaTableAccessor.Visitor visitor = new ClientMetaTableAccessor.Visitor() {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> @Override<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> public boolean visit(Result r) throws IOException {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> if (CatalogFamilyFormat.getRegionInfo(r).getTable().equals(table)) {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> count.incrementAndGet();<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> return true;<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> }<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> };<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> MetaTableAccessor.fullScanRegions(connection, visitor);<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> assertEquals(numRegions, count.get());<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> }<a name="line.352"></a> |
| <span class="sourceLineNo">353</span><a name="line.353"></a> |
| <span class="sourceLineNo">354</span> private void validateFromSnapshotFromMeta(HBaseTestingUtil util, TableName table, int numRegions,<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> int numReplica, Connection connection) throws IOException {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> SnapshotOfRegionAssignmentFromMeta snapshot =<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> new SnapshotOfRegionAssignmentFromMeta(connection);<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> snapshot.initialize();<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> Map<RegionInfo, ServerName> regionToServerMap = snapshot.getRegionToRegionServerMap();<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> assert (regionToServerMap.size() == numRegions * numReplica);<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> Map<ServerName, List<RegionInfo>> serverToRegionMap = snapshot.getRegionServerToRegionMap();<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> for (Map.Entry<ServerName, List<RegionInfo>> entry : serverToRegionMap.entrySet()) {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> if (entry.getKey().equals(util.getHBaseCluster().getMaster().getServerName())) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> continue;<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> List<RegionInfo> regions = entry.getValue();<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> Set<byte[]> setOfStartKeys = new HashSet<>();<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> for (RegionInfo region : regions) {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> byte[] startKey = region.getStartKey();<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> if (region.getTable().equals(table)) {<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> setOfStartKeys.add(startKey); // ignore other tables<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> LOG.info("--STARTKEY {}--", new String(startKey, StandardCharsets.UTF_8));<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> }<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> // the number of startkeys will be equal to the number of regions hosted in each server<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> // (each server will be hosting one replica of a region)<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> assertEquals(numRegions, setOfStartKeys.size());<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> }<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> }<a name="line.379"></a> |
| <span class="sourceLineNo">380</span><a name="line.380"></a> |
| <span class="sourceLineNo">381</span> private void validateSingleRegionServerAssignment(Connection connection, int numRegions,<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> int numReplica) throws IOException {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> SnapshotOfRegionAssignmentFromMeta snapshot =<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> new SnapshotOfRegionAssignmentFromMeta(connection);<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> snapshot.initialize();<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> Map<RegionInfo, ServerName> regionToServerMap = snapshot.getRegionToRegionServerMap();<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> assertEquals(regionToServerMap.size(), numRegions * numReplica);<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> Map<ServerName, List<RegionInfo>> serverToRegionMap = snapshot.getRegionServerToRegionMap();<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> assertEquals("One Region Only", 1, serverToRegionMap.keySet().size());<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> for (Map.Entry<ServerName, List<RegionInfo>> entry : serverToRegionMap.entrySet()) {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> if (entry.getKey().equals(TEST_UTIL.getHBaseCluster().getMaster().getServerName())) {<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> continue;<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> }<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> assertEquals(entry.getValue().size(), numRegions * numReplica);<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> }<a name="line.396"></a> |
| <span class="sourceLineNo">397</span>}<a name="line.397"></a> |
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| </div> |
| </body> |
| </html> |
