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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.regionserver;<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>import static org.junit.Assert.fail;<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.util.ArrayList;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Arrays;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Objects;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.stream.Collectors;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.conf.Configuration;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.fs.FileSystem;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.CatalogFamilyFormat;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.ServerName;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.SingleProcessHBaseCluster;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.StartTestingClusterOption;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableName;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.UnknownRegionException;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.DoNotRetryRegionException;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.Put;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.Result;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Table;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.exceptions.MergeRegionException;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.master.MasterRpcServices;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.master.assignment.AssignmentManager;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.master.assignment.RegionStates;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.util.FutureUtils;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.util.PairOfSameType;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span>import org.apache.hadoop.util.StringUtils;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span>import org.apache.zookeeper.KeeperException;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span>import org.junit.AfterClass;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span>import org.junit.BeforeClass;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span>import org.junit.ClassRule;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span>import org.junit.Rule;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span>import org.junit.Test;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span>import org.junit.experimental.categories.Category;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span>import org.junit.rules.TestName;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span>import org.slf4j.Logger;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span>import org.slf4j.LoggerFactory;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span>import org.apache.hbase.thirdparty.com.google.common.base.Joiner;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span>@Category({ RegionServerTests.class, LargeTests.class })<a name="line.93"></a> |
| <span class="sourceLineNo">094</span>public class TestRegionMergeTransactionOnCluster {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> @ClassRule<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> HBaseClassTestRule.forClass(TestRegionMergeTransactionOnCluster.class);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> private static final Logger LOG =<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> LoggerFactory.getLogger(TestRegionMergeTransactionOnCluster.class);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> @Rule<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> public TestName name = new TestName();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> private static final int NB_SERVERS = 3;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> private static final byte[] FAMILYNAME = Bytes.toBytes("fam");<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> private static final byte[] QUALIFIER = Bytes.toBytes("q");<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> private static byte[] ROW = Bytes.toBytes("testRow");<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> private static final int INITIAL_REGION_NUM = 10;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> private static final int ROWSIZE = 200;<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> private static byte[][] ROWS = makeN(ROW, ROWSIZE);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> private static int waitTime = 60 * 1000;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> private static HMaster MASTER;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> private static Admin ADMIN;<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> @BeforeClass<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> public static void beforeAllTests() throws Exception {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // Start a cluster<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> StartTestingClusterOption option = StartTestingClusterOption.builder()<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> .masterClass(MyMaster.class).numRegionServers(NB_SERVERS).numDataNodes(NB_SERVERS).build();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> TEST_UTIL.startMiniCluster(option);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> SingleProcessHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> MASTER = cluster.getMaster();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> MASTER.balanceSwitch(false);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> ADMIN = TEST_UTIL.getConnection().getAdmin();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> @AfterClass<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> public static void afterAllTests() throws Exception {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> TEST_UTIL.shutdownMiniCluster();<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> if (ADMIN != null) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> ADMIN.close();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> }<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> @Test<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> public void testWholesomeMerge() throws Exception {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> LOG.info("Starting " + name.getMethodName());<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> try {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> // Create table and load data.<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> Table table = createTableAndLoadData(MASTER, tableName);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> // Merge 1st and 2nd region<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1, INITIAL_REGION_NUM - 1);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> // Merge 2nd and 3th region<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> PairOfSameType<RegionInfo> mergedRegions =<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 1, 2, INITIAL_REGION_NUM - 2);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> verifyRowCount(table, ROWSIZE);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><a name="line.159"></a> |
| <span class="sourceLineNo">160</span> // Randomly choose one of the two merged regions<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> RegionInfo hri = ThreadLocalRandom.current().nextBoolean()<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> ? mergedRegions.getFirst()<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> : mergedRegions.getSecond();<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> SingleProcessHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> AssignmentManager am = cluster.getMaster().getAssignmentManager();<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> RegionStates regionStates = am.getRegionStates();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> // We should not be able to assign it again<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> am.assign(hri);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> assertFalse("Merged region can't be assigned", regionStates.isRegionInTransition(hri));<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> // We should not be able to unassign it either<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> am.unassign(hri);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> assertFalse("Merged region can't be unassigned", regionStates.isRegionInTransition(hri));<a name="line.174"></a> |
| <span class="sourceLineNo">175</span><a name="line.175"></a> |
| <span class="sourceLineNo">176</span> table.close();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> } finally {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> TEST_UTIL.deleteTable(tableName);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> /**<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * Not really restarting the master. Simulate it by clear of new region state since it is not<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * persisted, will be lost after master restarts.<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> */<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> @Test<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> public void testMergeAndRestartingMaster() throws Exception {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> try {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // Create table and load data.<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> Table table = createTableAndLoadData(MASTER, tableName);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> try {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> MyMasterRpcServices.enabled.set(true);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // Merge 1st and 2nd region<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1, INITIAL_REGION_NUM - 1);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> } finally {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> MyMasterRpcServices.enabled.set(false);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> table.close();<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> } finally {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> TEST_UTIL.deleteTable(tableName);<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> @Test<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> public void testCleanMergeReference() throws Exception {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> LOG.info("Starting " + name.getMethodName());<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> ADMIN.catalogJanitorSwitch(false);<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> try {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> // Create table and load data.<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> Table table = createTableAndLoadData(MASTER, tableName);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // Merge 1st and 2nd region<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1, INITIAL_REGION_NUM - 1);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> verifyRowCount(table, ROWSIZE);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> table.close();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> List<Pair<RegionInfo, ServerName>> tableRegions =<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> MetaTableAccessor.getTableRegionsAndLocations(MASTER.getConnection(), tableName);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> RegionInfo mergedRegionInfo = tableRegions.get(0).getFirst();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> TableDescriptor tableDescriptor = MASTER.getTableDescriptors().get(tableName);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> Result mergedRegionResult =<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> MetaTableAccessor.getRegionResult(MASTER.getConnection(), mergedRegionInfo);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // contains merge reference in META<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> assertTrue(CatalogFamilyFormat.hasMergeRegions(mergedRegionResult.rawCells()));<a name="line.230"></a> |
| <span class="sourceLineNo">231</span><a name="line.231"></a> |
| <span class="sourceLineNo">232</span> // merging regions' directory are in the file system all the same<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> List<RegionInfo> p = CatalogFamilyFormat.getMergeRegions(mergedRegionResult.rawCells());<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> RegionInfo regionA = p.get(0);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> RegionInfo regionB = p.get(1);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> FileSystem fs = MASTER.getMasterFileSystem().getFileSystem();<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> Path rootDir = MASTER.getMasterFileSystem().getRootDir();<a name="line.237"></a> |
| <span class="sourceLineNo">238</span><a name="line.238"></a> |
| <span class="sourceLineNo">239</span> Path tabledir = CommonFSUtils.getTableDir(rootDir, mergedRegionInfo.getTable());<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> Path regionAdir = new Path(tabledir, regionA.getEncodedName());<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> Path regionBdir = new Path(tabledir, regionB.getEncodedName());<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> assertTrue(fs.exists(regionAdir));<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> assertTrue(fs.exists(regionBdir));<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> ColumnFamilyDescriptor[] columnFamilies = tableDescriptor.getColumnFamilies();<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> HRegionFileSystem hrfs =<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> new HRegionFileSystem(TEST_UTIL.getConfiguration(), fs, tabledir, mergedRegionInfo);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> int count = 0;<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> for (ColumnFamilyDescriptor colFamily : columnFamilies) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> count += hrfs.getStoreFiles(colFamily.getNameAsString()).size();<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> ADMIN.compactRegion(mergedRegionInfo.getRegionName());<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> // clean up the merged region store files<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> // wait until merged region have reference file<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> long timeout = EnvironmentEdgeManager.currentTime() + waitTime;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> int newcount = 0;<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> while (EnvironmentEdgeManager.currentTime() < timeout) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> for (ColumnFamilyDescriptor colFamily : columnFamilies) {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> newcount += hrfs.getStoreFiles(colFamily.getNameAsString()).size();<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> if (newcount > count) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> break;<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> Thread.sleep(50);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> assertTrue(newcount > count);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> List<RegionServerThread> regionServerThreads =<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> TEST_UTIL.getHBaseCluster().getRegionServerThreads();<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> for (RegionServerThread rs : regionServerThreads) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> CompactedHFilesDischarger cleaner =<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> new CompactedHFilesDischarger(100, null, rs.getRegionServer(), false);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> cleaner.chore();<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> Thread.sleep(1000);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> while (EnvironmentEdgeManager.currentTime() < timeout) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> int newcount1 = 0;<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> for (ColumnFamilyDescriptor colFamily : columnFamilies) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> newcount1 += hrfs.getStoreFiles(colFamily.getNameAsString()).size();<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> if (newcount1 <= 1) {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> break;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> Thread.sleep(50);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> // run CatalogJanitor to clean merge references in hbase:meta and archive the<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> // files of merging regions<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> int cleaned = 0;<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> while (cleaned == 0) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> cleaned = ADMIN.runCatalogJanitor();<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> LOG.debug("catalog janitor returned " + cleaned);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> Thread.sleep(50);<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // Cleanup is async so wait till all procedures are done running.<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> ProcedureTestingUtility.waitNoProcedureRunning(<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> TEST_UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor());<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> // We used to check for existence of region in fs but sometimes the region dir was<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> // cleaned up by the time we got here making the test sometimes flakey.<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> assertTrue(cleaned > 0);<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> // Wait around a bit to give stuff a chance to complete.<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> while (true) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> mergedRegionResult =<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> MetaTableAccessor.getRegionResult(TEST_UTIL.getConnection(), mergedRegionInfo);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> if (CatalogFamilyFormat.hasMergeRegions(mergedRegionResult.rawCells())) {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> LOG.info("Waiting on cleanup of merge columns {}",<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> Arrays.asList(mergedRegionResult.rawCells()).stream().map(c -> c.toString())<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> .collect(Collectors.joining(",")));<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> Threads.sleep(50);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> } else {<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> break;<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> assertFalse(CatalogFamilyFormat.hasMergeRegions(mergedRegionResult.rawCells()));<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> } finally {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> ADMIN.catalogJanitorSwitch(true);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> TEST_UTIL.deleteTable(tableName);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span><a name="line.319"></a> |
| <span class="sourceLineNo">320</span> /**<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> * This test tests 1, merging region not online; 2, merging same two regions; 3, merging unknown<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> * regions. They are in one test case so that we don't have to create many tables, and these tests<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> * are simple.<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> */<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> @Test<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> public void testMerge() throws Exception {<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> LOG.info("Starting " + name.getMethodName());<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> final Admin admin = TEST_UTIL.getAdmin();<a name="line.329"></a> |
| <span class="sourceLineNo">330</span><a name="line.330"></a> |
| <span class="sourceLineNo">331</span> try {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> // Create table and load data.<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> Table table = createTableAndLoadData(MASTER, tableName);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> AssignmentManager am = MASTER.getAssignmentManager();<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> List<RegionInfo> regions = am.getRegionStates().getRegionsOfTable(tableName);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> // Fake offline one region<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> RegionInfo a = regions.get(0);<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> RegionInfo b = regions.get(1);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> am.unassign(b);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> am.offlineRegion(b);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> try {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> // Merge offline region. Region a is offline here<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> FutureUtils.get(<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> admin.mergeRegionsAsync(a.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), false));<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> fail("Offline regions should not be able to merge");<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> } catch (DoNotRetryRegionException ie) {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> System.out.println(ie);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> assertTrue(ie instanceof MergeRegionException);<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> }<a name="line.349"></a> |
| <span class="sourceLineNo">350</span><a name="line.350"></a> |
| <span class="sourceLineNo">351</span> try {<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> // Merge the same region: b and b.<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> FutureUtils<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> .get(admin.mergeRegionsAsync(b.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), true));<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> fail("A region should not be able to merge with itself, even forcfully");<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> } catch (IOException ie) {<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> assertTrue("Exception should mention regions not online",<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> StringUtils.stringifyException(ie).contains("region to itself")<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> && ie instanceof MergeRegionException);<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> }<a name="line.360"></a> |
| <span class="sourceLineNo">361</span><a name="line.361"></a> |
| <span class="sourceLineNo">362</span> try {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> // Merge unknown regions<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> FutureUtils.get(admin.mergeRegionsAsync(Bytes.toBytes("-f1"), Bytes.toBytes("-f2"), true));<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> fail("Unknown region could not be merged");<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> } catch (IOException ie) {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> assertTrue("UnknownRegionException should be thrown", ie instanceof UnknownRegionException);<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> table.close();<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> } finally {<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> TEST_UTIL.deleteTable(tableName);<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> }<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> @Test<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> public void testMergeWithReplicas() throws Exception {<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> try {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> // Create table and load data.<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> Table table = createTableAndLoadData(MASTER, tableName, 5, 2);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> List<Pair<RegionInfo, ServerName>> initialRegionToServers =<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> MetaTableAccessor.getTableRegionsAndLocations(TEST_UTIL.getConnection(), tableName);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> // Merge 1st and 2nd region<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> PairOfSameType<RegionInfo> mergedRegions =<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 2, 5 * 2 - 2);<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> List<Pair<RegionInfo, ServerName>> currentRegionToServers =<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> MetaTableAccessor.getTableRegionsAndLocations(TEST_UTIL.getConnection(), tableName);<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> List<RegionInfo> initialRegions = new ArrayList<>();<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> for (Pair<RegionInfo, ServerName> p : initialRegionToServers) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> initialRegions.add(p.getFirst());<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> }<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> List<RegionInfo> currentRegions = new ArrayList<>();<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> for (Pair<RegionInfo, ServerName> p : currentRegionToServers) {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> currentRegions.add(p.getFirst());<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> // this is the first region<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> assertTrue(initialRegions.contains(mergedRegions.getFirst()));<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> // this is the replica of the first region<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> assertTrue(initialRegions<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> .contains(RegionReplicaUtil.getRegionInfoForReplica(mergedRegions.getFirst(), 1)));<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> // this is the second region<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> assertTrue(initialRegions.contains(mergedRegions.getSecond()));<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> // this is the replica of the second region<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> assertTrue(initialRegions<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> .contains(RegionReplicaUtil.getRegionInfoForReplica(mergedRegions.getSecond(), 1)));<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> // this is the new region<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> assertTrue(!initialRegions.contains(currentRegions.get(0)));<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> // replica of the new region<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> assertTrue(!initialRegions<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> .contains(RegionReplicaUtil.getRegionInfoForReplica(currentRegions.get(0), 1)));<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> // replica of the new region<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> assertTrue(currentRegions<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> .contains(RegionReplicaUtil.getRegionInfoForReplica(currentRegions.get(0), 1)));<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> // replica of the merged region<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> assertTrue(!currentRegions<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> .contains(RegionReplicaUtil.getRegionInfoForReplica(mergedRegions.getFirst(), 1)));<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> // replica of the merged region<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> assertTrue(!currentRegions<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> .contains(RegionReplicaUtil.getRegionInfoForReplica(mergedRegions.getSecond(), 1)));<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> table.close();<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> } finally {<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> TEST_UTIL.deleteTable(tableName);<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> }<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> }<a name="line.424"></a> |
| <span class="sourceLineNo">425</span><a name="line.425"></a> |
| <span class="sourceLineNo">426</span> private PairOfSameType<RegionInfo> mergeRegionsAndVerifyRegionNum(HMaster master,<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> TableName tablename, int regionAnum, int regionBnum, int expectedRegionNum) throws Exception {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> PairOfSameType<RegionInfo> mergedRegions =<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> requestMergeRegion(master, tablename, regionAnum, regionBnum);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> waitAndVerifyRegionNum(master, tablename, expectedRegionNum);<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> return mergedRegions;<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> }<a name="line.432"></a> |
| <span class="sourceLineNo">433</span><a name="line.433"></a> |
| <span class="sourceLineNo">434</span> private PairOfSameType<RegionInfo> requestMergeRegion(HMaster master, TableName tablename,<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> int regionAnum, int regionBnum) throws Exception {<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> List<Pair<RegionInfo, ServerName>> tableRegions =<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> MetaTableAccessor.getTableRegionsAndLocations(TEST_UTIL.getConnection(), tablename);<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> RegionInfo regionA = tableRegions.get(regionAnum).getFirst();<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> RegionInfo regionB = tableRegions.get(regionBnum).getFirst();<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> ADMIN.mergeRegionsAsync(regionA.getEncodedNameAsBytes(), regionB.getEncodedNameAsBytes(),<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> false);<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> return new PairOfSameType<>(regionA, regionB);<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span><a name="line.444"></a> |
| <span class="sourceLineNo">445</span> private void waitAndVerifyRegionNum(HMaster master, TableName tablename, int expectedRegionNum)<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> throws Exception {<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> List<Pair<RegionInfo, ServerName>> tableRegionsInMeta;<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> List<RegionInfo> tableRegionsInMaster;<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> long timeout = EnvironmentEdgeManager.currentTime() + waitTime;<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> while (EnvironmentEdgeManager.currentTime() < timeout) {<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> tableRegionsInMeta =<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> MetaTableAccessor.getTableRegionsAndLocations(TEST_UTIL.getConnection(), tablename);<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> tableRegionsInMaster =<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> master.getAssignmentManager().getRegionStates().getRegionsOfTable(tablename);<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> LOG.info(Objects.toString(tableRegionsInMaster));<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> LOG.info(Objects.toString(tableRegionsInMeta));<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> int tableRegionsInMetaSize = tableRegionsInMeta.size();<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> int tableRegionsInMasterSize = tableRegionsInMaster.size();<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> if (<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> tableRegionsInMetaSize == expectedRegionNum && tableRegionsInMasterSize == expectedRegionNum<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> ) {<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> break;<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> Thread.sleep(250);<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> }<a name="line.465"></a> |
| <span class="sourceLineNo">466</span><a name="line.466"></a> |
| <span class="sourceLineNo">467</span> tableRegionsInMeta =<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> MetaTableAccessor.getTableRegionsAndLocations(TEST_UTIL.getConnection(), tablename);<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> LOG.info("Regions after merge:" + Joiner.on(',').join(tableRegionsInMeta));<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> assertEquals(expectedRegionNum, tableRegionsInMeta.size());<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> }<a name="line.471"></a> |
| <span class="sourceLineNo">472</span><a name="line.472"></a> |
| <span class="sourceLineNo">473</span> private Table createTableAndLoadData(HMaster master, TableName tablename) throws Exception {<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> return createTableAndLoadData(master, tablename, INITIAL_REGION_NUM, 1);<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> }<a name="line.475"></a> |
| <span class="sourceLineNo">476</span><a name="line.476"></a> |
| <span class="sourceLineNo">477</span> private Table createTableAndLoadData(HMaster master, TableName tablename, int numRegions,<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> int replication) throws Exception {<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> assertTrue("ROWSIZE must > numregions:" + numRegions, ROWSIZE > numRegions);<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> byte[][] splitRows = new byte[numRegions - 1][];<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> for (int i = 0; i < splitRows.length; i++) {<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> splitRows[i] = ROWS[(i + 1) * ROWSIZE / numRegions];<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> }<a name="line.483"></a> |
| <span class="sourceLineNo">484</span><a name="line.484"></a> |
| <span class="sourceLineNo">485</span> Table table = TEST_UTIL.createTable(tablename, FAMILYNAME, splitRows);<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> LOG.info("Created " + table.getName());<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> if (replication > 1) {<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> HBaseTestingUtil.setReplicas(ADMIN, tablename, replication);<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> LOG.info("Set replication of " + replication + " on " + table.getName());<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> }<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> loadData(table);<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> LOG.info("Loaded " + table.getName());<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> verifyRowCount(table, ROWSIZE);<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> LOG.info("Verified " + table.getName());<a name="line.494"></a> |
| <span class="sourceLineNo">495</span><a name="line.495"></a> |
| <span class="sourceLineNo">496</span> List<Pair<RegionInfo, ServerName>> tableRegions;<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> TEST_UTIL.waitUntilAllRegionsAssigned(tablename);<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> LOG.info("All regions assigned for table - " + table.getName());<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> tableRegions =<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> MetaTableAccessor.getTableRegionsAndLocations(TEST_UTIL.getConnection(), tablename);<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> assertEquals("Wrong number of regions in table " + tablename, numRegions * replication,<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> tableRegions.size());<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> LOG.info(tableRegions.size() + "Regions after load: " + Joiner.on(',').join(tableRegions));<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> assertEquals(numRegions * replication, tableRegions.size());<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> return table;<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> }<a name="line.506"></a> |
| <span class="sourceLineNo">507</span><a name="line.507"></a> |
| <span class="sourceLineNo">508</span> private static byte[][] makeN(byte[] base, int n) {<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> byte[][] ret = new byte[n][];<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> for (int i = 0; i < n; i++) {<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> ret[i] = Bytes.add(base, Bytes.toBytes(String.format("%04d", i)));<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> }<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> return ret;<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> }<a name="line.514"></a> |
| <span class="sourceLineNo">515</span><a name="line.515"></a> |
| <span class="sourceLineNo">516</span> private void loadData(Table table) throws IOException {<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> for (int i = 0; i < ROWSIZE; i++) {<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> Put put = new Put(ROWS[i]);<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> put.addColumn(FAMILYNAME, QUALIFIER, Bytes.toBytes(i));<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> table.put(put);<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> }<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> }<a name="line.522"></a> |
| <span class="sourceLineNo">523</span><a name="line.523"></a> |
| <span class="sourceLineNo">524</span> private void verifyRowCount(Table table, int expectedRegionNum) throws IOException {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> ResultScanner scanner = table.getScanner(new Scan());<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> int rowCount = 0;<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> while (scanner.next() != null) {<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> rowCount++;<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> }<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> assertEquals(expectedRegionNum, rowCount);<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> scanner.close();<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> }<a name="line.532"></a> |
| <span class="sourceLineNo">533</span><a name="line.533"></a> |
| <span class="sourceLineNo">534</span> // Make it public so that JVMClusterUtil can access it.<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> public static class MyMaster extends HMaster {<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> public MyMaster(Configuration conf) throws IOException, KeeperException, InterruptedException {<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> super(conf);<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> }<a name="line.538"></a> |
| <span class="sourceLineNo">539</span><a name="line.539"></a> |
| <span class="sourceLineNo">540</span> @Override<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> protected MasterRpcServices createRpcServices() throws IOException {<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> return new MyMasterRpcServices(this);<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> }<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> }<a name="line.544"></a> |
| <span class="sourceLineNo">545</span><a name="line.545"></a> |
| <span class="sourceLineNo">546</span> static class MyMasterRpcServices extends MasterRpcServices {<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> static AtomicBoolean enabled = new AtomicBoolean(false);<a name="line.547"></a> |
| <span class="sourceLineNo">548</span><a name="line.548"></a> |
| <span class="sourceLineNo">549</span> private HMaster myMaster;<a name="line.549"></a> |
| <span class="sourceLineNo">550</span><a name="line.550"></a> |
| <span class="sourceLineNo">551</span> public MyMasterRpcServices(HMaster master) throws IOException {<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> super(master);<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> myMaster = master;<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> }<a name="line.554"></a> |
| <span class="sourceLineNo">555</span><a name="line.555"></a> |
| <span class="sourceLineNo">556</span> @Override<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> public ReportRegionStateTransitionResponse reportRegionStateTransition(RpcController c,<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> ReportRegionStateTransitionRequest req) throws ServiceException {<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> ReportRegionStateTransitionResponse resp = super.reportRegionStateTransition(c, req);<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> if (<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> enabled.get() && req.getTransition(0).getTransitionCode() == TransitionCode.READY_TO_MERGE<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> && !resp.hasErrorMessage()<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> ) {<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> RegionStates regionStates = myMaster.getAssignmentManager().getRegionStates();<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> for (RegionState regionState : regionStates.getRegionsStateInTransition()) {<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> // Find the merging_new region and remove it<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> if (regionState.isMergingNew()) {<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> regionStates.deleteRegion(regionState.getRegion());<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> }<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> }<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> }<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> return resp;<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> }<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> }<a name="line.574"></a> |
| <span class="sourceLineNo">575</span>}<a name="line.575"></a> |
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| </div> |
| </body> |
| </html> |
