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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.master;</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.assertNotEquals;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertNotNull;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">024</span><span id="line-24"></span> |
| <span class="source-line-no">025</span><span id="line-25">import java.io.IOException;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.nio.charset.StandardCharsets;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.ArrayList;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Collection;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.EnumSet;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.HashMap;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.HashSet;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.List;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.Map;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.Set;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.CatalogFamilyFormat;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.ClientMetaTableAccessor;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.ClusterMetrics.Option;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.HRegionLocation;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.MetaTableAccessor;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.RegionLocations;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.StartTestingClusterOption;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.client.Delete;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.client.RegionReplicaUtil;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hbase.util.JVMClusterUtil;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.junit.AfterClass;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.junit.ClassRule;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.junit.Rule;</span> |
| <span class="source-line-no">068</span><span id="line-68">import org.junit.Test;</span> |
| <span class="source-line-no">069</span><span id="line-69">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">070</span><span id="line-70">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">071</span><span id="line-71">import org.slf4j.Logger;</span> |
| <span class="source-line-no">072</span><span id="line-72">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74">import org.apache.hbase.thirdparty.com.google.common.io.Closeables;</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">077</span><span id="line-77">public class TestMasterOperationsForRegionReplicas {</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> @ClassRule</span> |
| <span class="source-line-no">080</span><span id="line-80"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">081</span><span id="line-81"> HBaseClassTestRule.forClass(TestMasterOperationsForRegionReplicas.class);</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> private static final Logger LOG = LoggerFactory.getLogger(TestRegionPlacement.class);</span> |
| <span class="source-line-no">084</span><span id="line-84"> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">085</span><span id="line-85"> private static Connection CONNECTION = null;</span> |
| <span class="source-line-no">086</span><span id="line-86"> private static Admin ADMIN;</span> |
| <span class="source-line-no">087</span><span id="line-87"> private static int numSlaves = 2;</span> |
| <span class="source-line-no">088</span><span id="line-88"> private final static StartTestingClusterOption option = StartTestingClusterOption.builder()</span> |
| <span class="source-line-no">089</span><span id="line-89"> .numRegionServers(numSlaves).numMasters(1).numAlwaysStandByMasters(1).build();</span> |
| <span class="source-line-no">090</span><span id="line-90"> private static Configuration conf;</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> @Rule</span> |
| <span class="source-line-no">093</span><span id="line-93"> public TestName name = new TestName();</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> @BeforeClass</span> |
| <span class="source-line-no">096</span><span id="line-96"> public static void setupBeforeClass() throws Exception {</span> |
| <span class="source-line-no">097</span><span id="line-97"> conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">098</span><span id="line-98"> conf.setBoolean("hbase.tests.use.shortcircuit.reads", false);</span> |
| <span class="source-line-no">099</span><span id="line-99"> TEST_UTIL.startMiniCluster(option);</span> |
| <span class="source-line-no">100</span><span id="line-100"> TEST_UTIL.getAdmin().balancerSwitch(false, true);</span> |
| <span class="source-line-no">101</span><span id="line-101"> resetConnections();</span> |
| <span class="source-line-no">102</span><span id="line-102"> while (</span> |
| <span class="source-line-no">103</span><span id="line-103"> ADMIN.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics().size()</span> |
| <span class="source-line-no">104</span><span id="line-104"> < numSlaves</span> |
| <span class="source-line-no">105</span><span id="line-105"> ) {</span> |
| <span class="source-line-no">106</span><span id="line-106"> Thread.sleep(100);</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> private static void resetConnections() throws IOException {</span> |
| <span class="source-line-no">111</span><span id="line-111"> Closeables.close(ADMIN, true);</span> |
| <span class="source-line-no">112</span><span id="line-112"> Closeables.close(CONNECTION, true);</span> |
| <span class="source-line-no">113</span><span id="line-113"> CONNECTION = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">114</span><span id="line-114"> ADMIN = CONNECTION.getAdmin();</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"> @AfterClass</span> |
| <span class="source-line-no">118</span><span id="line-118"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">119</span><span id="line-119"> Closeables.close(ADMIN, true);</span> |
| <span class="source-line-no">120</span><span id="line-120"> Closeables.close(CONNECTION, true);</span> |
| <span class="source-line-no">121</span><span id="line-121"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> @Test</span> |
| <span class="source-line-no">125</span><span id="line-125"> public void testCreateTableWithSingleReplica() throws Exception {</span> |
| <span class="source-line-no">126</span><span id="line-126"> final int numRegions = 3;</span> |
| <span class="source-line-no">127</span><span id="line-127"> final int numReplica = 1;</span> |
| <span class="source-line-no">128</span><span id="line-128"> final TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">129</span><span id="line-129"> try {</span> |
| <span class="source-line-no">130</span><span id="line-130"> TableDescriptor desc =</span> |
| <span class="source-line-no">131</span><span id="line-131"> TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(numReplica)</span> |
| <span class="source-line-no">132</span><span id="line-132"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("family")).build();</span> |
| <span class="source-line-no">133</span><span id="line-133"> ADMIN.createTable(desc, Bytes.toBytes("A"), Bytes.toBytes("Z"), numRegions);</span> |
| <span class="source-line-no">134</span><span id="line-134"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">135</span><span id="line-135"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">136</span><span id="line-136"></span> |
| <span class="source-line-no">137</span><span id="line-137"> validateNumberOfRowsInMeta(tableName, numRegions, ADMIN.getConnection());</span> |
| <span class="source-line-no">138</span><span id="line-138"> List<RegionInfo> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);</span> |
| <span class="source-line-no">139</span><span id="line-139"> assertEquals(numRegions * numReplica, hris.size());</span> |
| <span class="source-line-no">140</span><span id="line-140"> } finally {</span> |
| <span class="source-line-no">141</span><span id="line-141"> ADMIN.disableTable(tableName);</span> |
| <span class="source-line-no">142</span><span id="line-142"> ADMIN.deleteTable(tableName);</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</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"> @Test</span> |
| <span class="source-line-no">147</span><span id="line-147"> public void testCreateTableWithMultipleReplicas() throws Exception {</span> |
| <span class="source-line-no">148</span><span id="line-148"> final TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">149</span><span id="line-149"> final int numRegions = 3;</span> |
| <span class="source-line-no">150</span><span id="line-150"> final int numReplica = 2;</span> |
| <span class="source-line-no">151</span><span id="line-151"> try {</span> |
| <span class="source-line-no">152</span><span id="line-152"> TableDescriptor desc =</span> |
| <span class="source-line-no">153</span><span id="line-153"> TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(numReplica)</span> |
| <span class="source-line-no">154</span><span id="line-154"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("family")).build();</span> |
| <span class="source-line-no">155</span><span id="line-155"> ADMIN.createTable(desc, Bytes.toBytes("A"), Bytes.toBytes("Z"), numRegions);</span> |
| <span class="source-line-no">156</span><span id="line-156"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">157</span><span id="line-157"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">158</span><span id="line-158"> validateNumberOfRowsInMeta(tableName, numRegions, ADMIN.getConnection());</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> List<RegionInfo> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);</span> |
| <span class="source-line-no">161</span><span id="line-161"> assertEquals(numRegions * numReplica, hris.size());</span> |
| <span class="source-line-no">162</span><span id="line-162"> assertRegionStateNotNull(hris, numRegions, numReplica);</span> |
| <span class="source-line-no">163</span><span id="line-163"></span> |
| <span class="source-line-no">164</span><span id="line-164"> List<Result> metaRows = MetaTableAccessor.fullScanRegions(ADMIN.getConnection());</span> |
| <span class="source-line-no">165</span><span id="line-165"> int numRows = 0;</span> |
| <span class="source-line-no">166</span><span id="line-166"> for (Result result : metaRows) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> RegionLocations locations = CatalogFamilyFormat.getRegionLocations(result);</span> |
| <span class="source-line-no">168</span><span id="line-168"> RegionInfo hri = locations.getRegionLocation().getRegion();</span> |
| <span class="source-line-no">169</span><span id="line-169"> if (!hri.getTable().equals(tableName)) continue;</span> |
| <span class="source-line-no">170</span><span id="line-170"> numRows += 1;</span> |
| <span class="source-line-no">171</span><span id="line-171"> HRegionLocation[] servers = locations.getRegionLocations();</span> |
| <span class="source-line-no">172</span><span id="line-172"> // have two locations for the replicas of a region, and the locations should be different</span> |
| <span class="source-line-no">173</span><span id="line-173"> assertEquals(2, servers.length);</span> |
| <span class="source-line-no">174</span><span id="line-174"> assertNotEquals(servers[1], servers[0]);</span> |
| <span class="source-line-no">175</span><span id="line-175"> }</span> |
| <span class="source-line-no">176</span><span id="line-176"> assertEquals(numRegions, numRows);</span> |
| <span class="source-line-no">177</span><span id="line-177"></span> |
| <span class="source-line-no">178</span><span id="line-178"> // The same verification of the meta as above but with the SnapshotOfRegionAssignmentFromMeta</span> |
| <span class="source-line-no">179</span><span id="line-179"> // class</span> |
| <span class="source-line-no">180</span><span id="line-180"> validateFromSnapshotFromMeta(TEST_UTIL, tableName, numRegions, numReplica,</span> |
| <span class="source-line-no">181</span><span id="line-181"> ADMIN.getConnection());</span> |
| <span class="source-line-no">182</span><span id="line-182"></span> |
| <span class="source-line-no">183</span><span id="line-183"> // Now kill the master, restart it and see if the assignments are kept</span> |
| <span class="source-line-no">184</span><span id="line-184"> ServerName master = TEST_UTIL.getHBaseClusterInterface().getClusterMetrics().getMasterName();</span> |
| <span class="source-line-no">185</span><span id="line-185"> TEST_UTIL.getHBaseClusterInterface().stopMaster(master);</span> |
| <span class="source-line-no">186</span><span id="line-186"> TEST_UTIL.getHBaseClusterInterface().waitForMasterToStop(master, 30000);</span> |
| <span class="source-line-no">187</span><span id="line-187"> TEST_UTIL.getHBaseClusterInterface().startMaster(master.getHostname(), master.getPort());</span> |
| <span class="source-line-no">188</span><span id="line-188"> TEST_UTIL.getHBaseClusterInterface().waitForActiveAndReadyMaster();</span> |
| <span class="source-line-no">189</span><span id="line-189"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">190</span><span id="line-190"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">191</span><span id="line-191"> assertRegionStateNotNull(hris, numRegions, numReplica);</span> |
| <span class="source-line-no">192</span><span id="line-192"> validateFromSnapshotFromMeta(TEST_UTIL, tableName, numRegions, numReplica,</span> |
| <span class="source-line-no">193</span><span id="line-193"> ADMIN.getConnection());</span> |
| <span class="source-line-no">194</span><span id="line-194"></span> |
| <span class="source-line-no">195</span><span id="line-195"> // Now shut the whole cluster down, and verify the assignments are kept so that the</span> |
| <span class="source-line-no">196</span><span id="line-196"> // availability constraints are met. MiniHBaseCluster chooses arbitrary ports on each</span> |
| <span class="source-line-no">197</span><span id="line-197"> // restart. This messes with our being able to test that we retain locality. Therefore,</span> |
| <span class="source-line-no">198</span><span id="line-198"> // figure current cluster ports and pass them in on next cluster start so new cluster comes</span> |
| <span class="source-line-no">199</span><span id="line-199"> // up at same coordinates -- and the assignment retention logic has a chance to cut in.</span> |
| <span class="source-line-no">200</span><span id="line-200"> List<Integer> rsports = new ArrayList<>();</span> |
| <span class="source-line-no">201</span><span id="line-201"> for (JVMClusterUtil.RegionServerThread rst : TEST_UTIL.getHBaseCluster()</span> |
| <span class="source-line-no">202</span><span id="line-202"> .getLiveRegionServerThreads()) {</span> |
| <span class="source-line-no">203</span><span id="line-203"> rsports.add(rst.getRegionServer().getRpcServer().getListenerAddress().getPort());</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"> TEST_UTIL.shutdownMiniHBaseCluster();</span> |
| <span class="source-line-no">206</span><span id="line-206"> StartTestingClusterOption option =</span> |
| <span class="source-line-no">207</span><span id="line-207"> StartTestingClusterOption.builder().numRegionServers(numSlaves).rsPorts(rsports).build();</span> |
| <span class="source-line-no">208</span><span id="line-208"> TEST_UTIL.startMiniHBaseCluster(option);</span> |
| <span class="source-line-no">209</span><span id="line-209"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">210</span><span id="line-210"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">211</span><span id="line-211"> resetConnections();</span> |
| <span class="source-line-no">212</span><span id="line-212"> validateFromSnapshotFromMeta(TEST_UTIL, tableName, numRegions, numReplica,</span> |
| <span class="source-line-no">213</span><span id="line-213"> ADMIN.getConnection());</span> |
| <span class="source-line-no">214</span><span id="line-214"></span> |
| <span class="source-line-no">215</span><span id="line-215"> // Now shut the whole cluster down, and verify regions are assigned even if there is only</span> |
| <span class="source-line-no">216</span><span id="line-216"> // one server running</span> |
| <span class="source-line-no">217</span><span id="line-217"> TEST_UTIL.shutdownMiniHBaseCluster();</span> |
| <span class="source-line-no">218</span><span id="line-218"> TEST_UTIL.startMiniHBaseCluster();</span> |
| <span class="source-line-no">219</span><span id="line-219"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">220</span><span id="line-220"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">221</span><span id="line-221"> resetConnections();</span> |
| <span class="source-line-no">222</span><span id="line-222"> validateSingleRegionServerAssignment(ADMIN.getConnection(), numRegions, numReplica);</span> |
| <span class="source-line-no">223</span><span id="line-223"> for (int i = 1; i < numSlaves; i++) { // restore the cluster</span> |
| <span class="source-line-no">224</span><span id="line-224"> TEST_UTIL.getMiniHBaseCluster().startRegionServer();</span> |
| <span class="source-line-no">225</span><span id="line-225"> }</span> |
| <span class="source-line-no">226</span><span id="line-226"></span> |
| <span class="source-line-no">227</span><span id="line-227"> // Check on alter table</span> |
| <span class="source-line-no">228</span><span id="line-228"> ADMIN.disableTable(tableName);</span> |
| <span class="source-line-no">229</span><span id="line-229"> assertTrue(ADMIN.isTableDisabled(tableName));</span> |
| <span class="source-line-no">230</span><span id="line-230"> // increase the replica</span> |
| <span class="source-line-no">231</span><span id="line-231"> ADMIN.modifyTable(</span> |
| <span class="source-line-no">232</span><span id="line-232"> TableDescriptorBuilder.newBuilder(desc).setRegionReplication(numReplica + 1).build());</span> |
| <span class="source-line-no">233</span><span id="line-233"> ADMIN.enableTable(tableName);</span> |
| <span class="source-line-no">234</span><span id="line-234"> LOG.info(ADMIN.getDescriptor(tableName).toString());</span> |
| <span class="source-line-no">235</span><span id="line-235"> assertTrue(ADMIN.isTableEnabled(tableName));</span> |
| <span class="source-line-no">236</span><span id="line-236"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">237</span><span id="line-237"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">238</span><span id="line-238"> List<RegionInfo> regions = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager()</span> |
| <span class="source-line-no">239</span><span id="line-239"> .getRegionStates().getRegionsOfTable(tableName);</span> |
| <span class="source-line-no">240</span><span id="line-240"> assertTrue("regions.size=" + regions.size() + ", numRegions=" + numRegions + ", numReplica="</span> |
| <span class="source-line-no">241</span><span id="line-241"> + numReplica, regions.size() == numRegions * (numReplica + 1));</span> |
| <span class="source-line-no">242</span><span id="line-242"></span> |
| <span class="source-line-no">243</span><span id="line-243"> // decrease the replica(earlier, table was modified to have a replica count of numReplica + 1)</span> |
| <span class="source-line-no">244</span><span id="line-244"> ADMIN.disableTable(tableName);</span> |
| <span class="source-line-no">245</span><span id="line-245"> ADMIN.modifyTable(</span> |
| <span class="source-line-no">246</span><span id="line-246"> TableDescriptorBuilder.newBuilder(desc).setRegionReplication(numReplica).build());</span> |
| <span class="source-line-no">247</span><span id="line-247"> ADMIN.enableTable(tableName);</span> |
| <span class="source-line-no">248</span><span id="line-248"> assertTrue(ADMIN.isTableEnabled(tableName));</span> |
| <span class="source-line-no">249</span><span id="line-249"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">250</span><span id="line-250"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">251</span><span id="line-251"> regions = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager().getRegionStates()</span> |
| <span class="source-line-no">252</span><span id="line-252"> .getRegionsOfTable(tableName);</span> |
| <span class="source-line-no">253</span><span id="line-253"> assertEquals(numRegions * numReplica, regions.size());</span> |
| <span class="source-line-no">254</span><span id="line-254"> // also make sure the meta table has the replica locations removed</span> |
| <span class="source-line-no">255</span><span id="line-255"> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);</span> |
| <span class="source-line-no">256</span><span id="line-256"> assertEquals(numRegions * numReplica, hris.size());</span> |
| <span class="source-line-no">257</span><span id="line-257"> // just check that the number of default replica regions in the meta table are the same</span> |
| <span class="source-line-no">258</span><span id="line-258"> // as the number of regions the table was created with, and the count of the</span> |
| <span class="source-line-no">259</span><span id="line-259"> // replicas is numReplica for each region</span> |
| <span class="source-line-no">260</span><span id="line-260"> Map<RegionInfo, Integer> defaultReplicas = new HashMap<>();</span> |
| <span class="source-line-no">261</span><span id="line-261"> for (RegionInfo hri : hris) {</span> |
| <span class="source-line-no">262</span><span id="line-262"> RegionInfo regionReplica0 = RegionReplicaUtil.getRegionInfoForDefaultReplica(hri);</span> |
| <span class="source-line-no">263</span><span id="line-263"> Integer i = defaultReplicas.get(regionReplica0);</span> |
| <span class="source-line-no">264</span><span id="line-264"> defaultReplicas.put(regionReplica0, i == null ? 1 : i + 1);</span> |
| <span class="source-line-no">265</span><span id="line-265"> }</span> |
| <span class="source-line-no">266</span><span id="line-266"> assertEquals(numRegions, defaultReplicas.size());</span> |
| <span class="source-line-no">267</span><span id="line-267"> Collection<Integer> counts = new HashSet<>(defaultReplicas.values());</span> |
| <span class="source-line-no">268</span><span id="line-268"> assertEquals(1, counts.size());</span> |
| <span class="source-line-no">269</span><span id="line-269"> assertTrue(counts.contains(numReplica));</span> |
| <span class="source-line-no">270</span><span id="line-270"> } finally {</span> |
| <span class="source-line-no">271</span><span id="line-271"> ADMIN.disableTable(tableName);</span> |
| <span class="source-line-no">272</span><span id="line-272"> ADMIN.deleteTable(tableName);</span> |
| <span class="source-line-no">273</span><span id="line-273"> }</span> |
| <span class="source-line-no">274</span><span id="line-274"> }</span> |
| <span class="source-line-no">275</span><span id="line-275"></span> |
| <span class="source-line-no">276</span><span id="line-276"> private void assertRegionStateNotNull(List<RegionInfo> hris, int numRegions, int numReplica) {</span> |
| <span class="source-line-no">277</span><span id="line-277"> // check that the master created expected number of RegionState objects</span> |
| <span class="source-line-no">278</span><span id="line-278"> for (int i = 0; i < numRegions; i++) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> for (int j = 0; j < numReplica; j++) {</span> |
| <span class="source-line-no">280</span><span id="line-280"> RegionInfo replica = RegionReplicaUtil.getRegionInfoForReplica(hris.get(i), j);</span> |
| <span class="source-line-no">281</span><span id="line-281"> RegionState state = TEST_UTIL.getHBaseCluster().getMaster().getAssignmentManager()</span> |
| <span class="source-line-no">282</span><span id="line-282"> .getRegionStates().getRegionState(replica);</span> |
| <span class="source-line-no">283</span><span id="line-283"> assertNotNull(state);</span> |
| <span class="source-line-no">284</span><span id="line-284"> }</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> @Test</span> |
| <span class="source-line-no">289</span><span id="line-289"> public void testIncompleteMetaTableReplicaInformation() throws Exception {</span> |
| <span class="source-line-no">290</span><span id="line-290"> final TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">291</span><span id="line-291"> final int numRegions = 3;</span> |
| <span class="source-line-no">292</span><span id="line-292"> final int numReplica = 2;</span> |
| <span class="source-line-no">293</span><span id="line-293"> try {</span> |
| <span class="source-line-no">294</span><span id="line-294"> // Create a table and let the meta table be updated with the location of the</span> |
| <span class="source-line-no">295</span><span id="line-295"> // region locations.</span> |
| <span class="source-line-no">296</span><span id="line-296"> TableDescriptor desc =</span> |
| <span class="source-line-no">297</span><span id="line-297"> TableDescriptorBuilder.newBuilder(tableName).setRegionReplication(numReplica)</span> |
| <span class="source-line-no">298</span><span id="line-298"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("family")).build();</span> |
| <span class="source-line-no">299</span><span id="line-299"> ADMIN.createTable(desc, Bytes.toBytes("A"), Bytes.toBytes("Z"), numRegions);</span> |
| <span class="source-line-no">300</span><span id="line-300"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">301</span><span id="line-301"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">302</span><span id="line-302"> Set<byte[]> tableRows = new HashSet<>();</span> |
| <span class="source-line-no">303</span><span id="line-303"> List<RegionInfo> hris = MetaTableAccessor.getTableRegions(ADMIN.getConnection(), tableName);</span> |
| <span class="source-line-no">304</span><span id="line-304"> for (RegionInfo hri : hris) {</span> |
| <span class="source-line-no">305</span><span id="line-305"> tableRows.add(hri.getRegionName());</span> |
| <span class="source-line-no">306</span><span id="line-306"> }</span> |
| <span class="source-line-no">307</span><span id="line-307"> ADMIN.disableTable(tableName);</span> |
| <span class="source-line-no">308</span><span id="line-308"> // now delete one replica info from all the rows</span> |
| <span class="source-line-no">309</span><span id="line-309"> // this is to make the meta appear to be only partially updated</span> |
| <span class="source-line-no">310</span><span id="line-310"> Table metaTable = ADMIN.getConnection().getTable(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">311</span><span id="line-311"> for (byte[] row : tableRows) {</span> |
| <span class="source-line-no">312</span><span id="line-312"> Delete deleteOneReplicaLocation = new Delete(row);</span> |
| <span class="source-line-no">313</span><span id="line-313"> deleteOneReplicaLocation.addColumns(HConstants.CATALOG_FAMILY,</span> |
| <span class="source-line-no">314</span><span id="line-314"> CatalogFamilyFormat.getServerColumn(1));</span> |
| <span class="source-line-no">315</span><span id="line-315"> deleteOneReplicaLocation.addColumns(HConstants.CATALOG_FAMILY,</span> |
| <span class="source-line-no">316</span><span id="line-316"> CatalogFamilyFormat.getSeqNumColumn(1));</span> |
| <span class="source-line-no">317</span><span id="line-317"> deleteOneReplicaLocation.addColumns(HConstants.CATALOG_FAMILY,</span> |
| <span class="source-line-no">318</span><span id="line-318"> CatalogFamilyFormat.getStartCodeColumn(1));</span> |
| <span class="source-line-no">319</span><span id="line-319"> metaTable.delete(deleteOneReplicaLocation);</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"> metaTable.close();</span> |
| <span class="source-line-no">322</span><span id="line-322"> // even if the meta table is partly updated, when we re-enable the table, we should</span> |
| <span class="source-line-no">323</span><span id="line-323"> // get back the desired number of replicas for the regions</span> |
| <span class="source-line-no">324</span><span id="line-324"> ADMIN.enableTable(tableName);</span> |
| <span class="source-line-no">325</span><span id="line-325"> assertTrue(ADMIN.isTableEnabled(tableName));</span> |
| <span class="source-line-no">326</span><span id="line-326"> TEST_UTIL.waitUntilAllRegionsAssigned(tableName);</span> |
| <span class="source-line-no">327</span><span id="line-327"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">328</span><span id="line-328"> List<RegionInfo> regions = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager()</span> |
| <span class="source-line-no">329</span><span id="line-329"> .getRegionStates().getRegionsOfTable(tableName);</span> |
| <span class="source-line-no">330</span><span id="line-330"> assertEquals(numRegions * numReplica, regions.size());</span> |
| <span class="source-line-no">331</span><span id="line-331"> } finally {</span> |
| <span class="source-line-no">332</span><span id="line-332"> ADMIN.disableTable(tableName);</span> |
| <span class="source-line-no">333</span><span id="line-333"> ADMIN.deleteTable(tableName);</span> |
| <span class="source-line-no">334</span><span id="line-334"> }</span> |
| <span class="source-line-no">335</span><span id="line-335"> }</span> |
| <span class="source-line-no">336</span><span id="line-336"></span> |
| <span class="source-line-no">337</span><span id="line-337"> private void validateNumberOfRowsInMeta(final TableName table, int numRegions,</span> |
| <span class="source-line-no">338</span><span id="line-338"> Connection connection) throws IOException {</span> |
| <span class="source-line-no">339</span><span id="line-339"> assert (ADMIN.tableExists(table));</span> |
| <span class="source-line-no">340</span><span id="line-340"> final AtomicInteger count = new AtomicInteger();</span> |
| <span class="source-line-no">341</span><span id="line-341"> ClientMetaTableAccessor.Visitor visitor = new ClientMetaTableAccessor.Visitor() {</span> |
| <span class="source-line-no">342</span><span id="line-342"> @Override</span> |
| <span class="source-line-no">343</span><span id="line-343"> public boolean visit(Result r) throws IOException {</span> |
| <span class="source-line-no">344</span><span id="line-344"> if (CatalogFamilyFormat.getRegionInfo(r).getTable().equals(table)) {</span> |
| <span class="source-line-no">345</span><span id="line-345"> count.incrementAndGet();</span> |
| <span class="source-line-no">346</span><span id="line-346"> }</span> |
| <span class="source-line-no">347</span><span id="line-347"> return true;</span> |
| <span class="source-line-no">348</span><span id="line-348"> }</span> |
| <span class="source-line-no">349</span><span id="line-349"> };</span> |
| <span class="source-line-no">350</span><span id="line-350"> MetaTableAccessor.fullScanRegions(connection, visitor);</span> |
| <span class="source-line-no">351</span><span id="line-351"> assertEquals(numRegions, count.get());</span> |
| <span class="source-line-no">352</span><span id="line-352"> }</span> |
| <span class="source-line-no">353</span><span id="line-353"></span> |
| <span class="source-line-no">354</span><span id="line-354"> private void validateFromSnapshotFromMeta(HBaseTestingUtil util, TableName table, int numRegions,</span> |
| <span class="source-line-no">355</span><span id="line-355"> int numReplica, Connection connection) throws IOException {</span> |
| <span class="source-line-no">356</span><span id="line-356"> SnapshotOfRegionAssignmentFromMeta snapshot =</span> |
| <span class="source-line-no">357</span><span id="line-357"> new SnapshotOfRegionAssignmentFromMeta(connection);</span> |
| <span class="source-line-no">358</span><span id="line-358"> snapshot.initialize();</span> |
| <span class="source-line-no">359</span><span id="line-359"> Map<RegionInfo, ServerName> regionToServerMap = snapshot.getRegionToRegionServerMap();</span> |
| <span class="source-line-no">360</span><span id="line-360"> assert (regionToServerMap.size() == numRegions * numReplica);</span> |
| <span class="source-line-no">361</span><span id="line-361"> Map<ServerName, List<RegionInfo>> serverToRegionMap = snapshot.getRegionServerToRegionMap();</span> |
| <span class="source-line-no">362</span><span id="line-362"> for (Map.Entry<ServerName, List<RegionInfo>> entry : serverToRegionMap.entrySet()) {</span> |
| <span class="source-line-no">363</span><span id="line-363"> if (entry.getKey().equals(util.getHBaseCluster().getMaster().getServerName())) {</span> |
| <span class="source-line-no">364</span><span id="line-364"> continue;</span> |
| <span class="source-line-no">365</span><span id="line-365"> }</span> |
| <span class="source-line-no">366</span><span id="line-366"> List<RegionInfo> regions = entry.getValue();</span> |
| <span class="source-line-no">367</span><span id="line-367"> Set<byte[]> setOfStartKeys = new HashSet<>();</span> |
| <span class="source-line-no">368</span><span id="line-368"> for (RegionInfo region : regions) {</span> |
| <span class="source-line-no">369</span><span id="line-369"> byte[] startKey = region.getStartKey();</span> |
| <span class="source-line-no">370</span><span id="line-370"> if (region.getTable().equals(table)) {</span> |
| <span class="source-line-no">371</span><span id="line-371"> setOfStartKeys.add(startKey); // ignore other tables</span> |
| <span class="source-line-no">372</span><span id="line-372"> LOG.info("--STARTKEY {}--", new String(startKey, StandardCharsets.UTF_8));</span> |
| <span class="source-line-no">373</span><span id="line-373"> }</span> |
| <span class="source-line-no">374</span><span id="line-374"> }</span> |
| <span class="source-line-no">375</span><span id="line-375"> // the number of startkeys will be equal to the number of regions hosted in each server</span> |
| <span class="source-line-no">376</span><span id="line-376"> // (each server will be hosting one replica of a region)</span> |
| <span class="source-line-no">377</span><span id="line-377"> assertEquals(numRegions, setOfStartKeys.size());</span> |
| <span class="source-line-no">378</span><span id="line-378"> }</span> |
| <span class="source-line-no">379</span><span id="line-379"> }</span> |
| <span class="source-line-no">380</span><span id="line-380"></span> |
| <span class="source-line-no">381</span><span id="line-381"> private void validateSingleRegionServerAssignment(Connection connection, int numRegions,</span> |
| <span class="source-line-no">382</span><span id="line-382"> int numReplica) throws IOException {</span> |
| <span class="source-line-no">383</span><span id="line-383"> SnapshotOfRegionAssignmentFromMeta snapshot =</span> |
| <span class="source-line-no">384</span><span id="line-384"> new SnapshotOfRegionAssignmentFromMeta(connection);</span> |
| <span class="source-line-no">385</span><span id="line-385"> snapshot.initialize();</span> |
| <span class="source-line-no">386</span><span id="line-386"> Map<RegionInfo, ServerName> regionToServerMap = snapshot.getRegionToRegionServerMap();</span> |
| <span class="source-line-no">387</span><span id="line-387"> assertEquals(regionToServerMap.size(), numRegions * numReplica);</span> |
| <span class="source-line-no">388</span><span id="line-388"> Map<ServerName, List<RegionInfo>> serverToRegionMap = snapshot.getRegionServerToRegionMap();</span> |
| <span class="source-line-no">389</span><span id="line-389"> assertEquals("One Region Only", 1, serverToRegionMap.keySet().size());</span> |
| <span class="source-line-no">390</span><span id="line-390"> for (Map.Entry<ServerName, List<RegionInfo>> entry : serverToRegionMap.entrySet()) {</span> |
| <span class="source-line-no">391</span><span id="line-391"> if (entry.getKey().equals(TEST_UTIL.getHBaseCluster().getMaster().getServerName())) {</span> |
| <span class="source-line-no">392</span><span id="line-392"> continue;</span> |
| <span class="source-line-no">393</span><span id="line-393"> }</span> |
| <span class="source-line-no">394</span><span id="line-394"> assertEquals(entry.getValue().size(), numRegions * numReplica);</span> |
| <span class="source-line-no">395</span><span id="line-395"> }</span> |
| <span class="source-line-no">396</span><span id="line-396"> }</span> |
| <span class="source-line-no">397</span><span id="line-397">}</span> |
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