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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.procedure;</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.apache.hadoop.hbase.master.procedure.ReopenTableRegionsProcedure.PROGRESSIVE_BATCH_BACKOFF_MILLIS_DEFAULT;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.master.procedure.ReopenTableRegionsProcedure.PROGRESSIVE_BATCH_BACKOFF_MILLIS_KEY;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.apache.hadoop.hbase.master.procedure.ReopenTableRegionsProcedure.PROGRESSIVE_BATCH_SIZE_MAX_KEY;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">025</span><span id="line-25"></span> |
| <span class="source-line-no">026</span><span id="line-26">import java.io.IOException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.List;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Set;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.master.RegionState.State;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.master.ServerManager;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.master.assignment.AssignmentManager;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.master.assignment.RegionStateNode;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.AfterClass;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.ClassRule;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.Test;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54">/**</span> |
| <span class="source-line-no">055</span><span id="line-55"> * Confirm that we will batch region reopens when reopening all table regions. This can avoid the</span> |
| <span class="source-line-no">056</span><span id="line-56"> * pain associated with reopening too many regions at once.</span> |
| <span class="source-line-no">057</span><span id="line-57"> */</span> |
| <span class="source-line-no">058</span><span id="line-58">@Category({ MasterTests.class, MediumTests.class })</span> |
| <span class="source-line-no">059</span><span id="line-59">public class TestReopenTableRegionsProcedureBatching {</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> @ClassRule</span> |
| <span class="source-line-no">062</span><span id="line-62"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">063</span><span id="line-63"> HBaseClassTestRule.forClass(TestReopenTableRegionsProcedureBatching.class);</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">066</span><span id="line-66"> private static final int BACKOFF_MILLIS_PER_RS = 0;</span> |
| <span class="source-line-no">067</span><span id="line-67"> private static final int REOPEN_BATCH_SIZE_MAX = 1;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> private static TableName TABLE_NAME = TableName.valueOf("Batching");</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> private static byte[] CF = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> @BeforeClass</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">075</span><span id="line-75"> Configuration conf = UTIL.getConfiguration();</span> |
| <span class="source-line-no">076</span><span id="line-76"> conf.setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1);</span> |
| <span class="source-line-no">077</span><span id="line-77"> UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">078</span><span id="line-78"> UTIL.createMultiRegionTable(TABLE_NAME, CF);</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> @AfterClass</span> |
| <span class="source-line-no">082</span><span id="line-82"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">083</span><span id="line-83"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> @Test</span> |
| <span class="source-line-no">087</span><span id="line-87"> public void testSmallMaxBatchSize() throws IOException {</span> |
| <span class="source-line-no">088</span><span id="line-88"> AssignmentManager am = UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();</span> |
| <span class="source-line-no">089</span><span id="line-89"> ProcedureExecutor<MasterProcedureEnv> procExec =</span> |
| <span class="source-line-no">090</span><span id="line-90"> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor();</span> |
| <span class="source-line-no">091</span><span id="line-91"> List<RegionInfo> regions = UTIL.getAdmin().getRegions(TABLE_NAME);</span> |
| <span class="source-line-no">092</span><span id="line-92"> assertTrue(2 <= regions.size());</span> |
| <span class="source-line-no">093</span><span id="line-93"> Set<StuckRegion> stuckRegions =</span> |
| <span class="source-line-no">094</span><span id="line-94"> regions.stream().map(r -> stickRegion(am, procExec, r)).collect(Collectors.toSet());</span> |
| <span class="source-line-no">095</span><span id="line-95"> ReopenTableRegionsProcedure proc =</span> |
| <span class="source-line-no">096</span><span id="line-96"> new ReopenTableRegionsProcedure(TABLE_NAME, BACKOFF_MILLIS_PER_RS, REOPEN_BATCH_SIZE_MAX);</span> |
| <span class="source-line-no">097</span><span id="line-97"> procExec.submitProcedure(proc);</span> |
| <span class="source-line-no">098</span><span id="line-98"> UTIL.waitFor(10000, () -> proc.getState() == ProcedureState.WAITING_TIMEOUT);</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> // the first batch should be small</span> |
| <span class="source-line-no">101</span><span id="line-101"> confirmBatchSize(1, stuckRegions, proc);</span> |
| <span class="source-line-no">102</span><span id="line-102"> ProcedureSyncWait.waitForProcedureToComplete(procExec, proc, 60_000);</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> // other batches should also be small</span> |
| <span class="source-line-no">105</span><span id="line-105"> assertTrue(proc.getBatchesProcessed() >= regions.size());</span> |
| <span class="source-line-no">106</span><span id="line-106"></span> |
| <span class="source-line-no">107</span><span id="line-107"> // all regions should only be opened once</span> |
| <span class="source-line-no">108</span><span id="line-108"> assertEquals(proc.getRegionsReopened(), regions.size());</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> @Test</span> |
| <span class="source-line-no">112</span><span id="line-112"> public void testDefaultMaxBatchSize() throws IOException {</span> |
| <span class="source-line-no">113</span><span id="line-113"> AssignmentManager am = UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();</span> |
| <span class="source-line-no">114</span><span id="line-114"> ProcedureExecutor<MasterProcedureEnv> procExec =</span> |
| <span class="source-line-no">115</span><span id="line-115"> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor();</span> |
| <span class="source-line-no">116</span><span id="line-116"> List<RegionInfo> regions = UTIL.getAdmin().getRegions(TABLE_NAME);</span> |
| <span class="source-line-no">117</span><span id="line-117"> assertTrue(2 <= regions.size());</span> |
| <span class="source-line-no">118</span><span id="line-118"> Set<StuckRegion> stuckRegions =</span> |
| <span class="source-line-no">119</span><span id="line-119"> regions.stream().map(r -> stickRegion(am, procExec, r)).collect(Collectors.toSet());</span> |
| <span class="source-line-no">120</span><span id="line-120"> ReopenTableRegionsProcedure proc = new ReopenTableRegionsProcedure(TABLE_NAME);</span> |
| <span class="source-line-no">121</span><span id="line-121"> procExec.submitProcedure(proc);</span> |
| <span class="source-line-no">122</span><span id="line-122"> UTIL.waitFor(10000, () -> proc.getState() == ProcedureState.WAITING_TIMEOUT);</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> // the first batch should be large</span> |
| <span class="source-line-no">125</span><span id="line-125"> confirmBatchSize(regions.size(), stuckRegions, proc);</span> |
| <span class="source-line-no">126</span><span id="line-126"> ProcedureSyncWait.waitForProcedureToComplete(procExec, proc, 60_000);</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> // all regions should only be opened once</span> |
| <span class="source-line-no">129</span><span id="line-129"> assertEquals(proc.getRegionsReopened(), regions.size());</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> @Test</span> |
| <span class="source-line-no">133</span><span id="line-133"> public void testNegativeBatchSizeDoesNotBreak() throws IOException {</span> |
| <span class="source-line-no">134</span><span id="line-134"> AssignmentManager am = UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();</span> |
| <span class="source-line-no">135</span><span id="line-135"> ProcedureExecutor<MasterProcedureEnv> procExec =</span> |
| <span class="source-line-no">136</span><span id="line-136"> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor();</span> |
| <span class="source-line-no">137</span><span id="line-137"> List<RegionInfo> regions = UTIL.getAdmin().getRegions(TABLE_NAME);</span> |
| <span class="source-line-no">138</span><span id="line-138"> assertTrue(2 <= regions.size());</span> |
| <span class="source-line-no">139</span><span id="line-139"> Set<StuckRegion> stuckRegions =</span> |
| <span class="source-line-no">140</span><span id="line-140"> regions.stream().map(r -> stickRegion(am, procExec, r)).collect(Collectors.toSet());</span> |
| <span class="source-line-no">141</span><span id="line-141"> ReopenTableRegionsProcedure proc =</span> |
| <span class="source-line-no">142</span><span id="line-142"> new ReopenTableRegionsProcedure(TABLE_NAME, BACKOFF_MILLIS_PER_RS, -100);</span> |
| <span class="source-line-no">143</span><span id="line-143"> procExec.submitProcedure(proc);</span> |
| <span class="source-line-no">144</span><span id="line-144"> UTIL.waitFor(10000, () -> proc.getState() == ProcedureState.WAITING_TIMEOUT);</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> // the first batch should be small</span> |
| <span class="source-line-no">147</span><span id="line-147"> confirmBatchSize(1, stuckRegions, proc);</span> |
| <span class="source-line-no">148</span><span id="line-148"> ProcedureSyncWait.waitForProcedureToComplete(procExec, proc, 60_000);</span> |
| <span class="source-line-no">149</span><span id="line-149"></span> |
| <span class="source-line-no">150</span><span id="line-150"> // other batches should also be small</span> |
| <span class="source-line-no">151</span><span id="line-151"> assertTrue(proc.getBatchesProcessed() >= regions.size());</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> // all regions should only be opened once</span> |
| <span class="source-line-no">154</span><span id="line-154"> assertEquals(proc.getRegionsReopened(), regions.size());</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156"></span> |
| <span class="source-line-no">157</span><span id="line-157"> @Test</span> |
| <span class="source-line-no">158</span><span id="line-158"> public void testBatchSizeDoesNotOverflow() {</span> |
| <span class="source-line-no">159</span><span id="line-159"> ReopenTableRegionsProcedure proc =</span> |
| <span class="source-line-no">160</span><span id="line-160"> new ReopenTableRegionsProcedure(TABLE_NAME, BACKOFF_MILLIS_PER_RS, Integer.MAX_VALUE);</span> |
| <span class="source-line-no">161</span><span id="line-161"> int currentBatchSize = 1;</span> |
| <span class="source-line-no">162</span><span id="line-162"> while (currentBatchSize < Integer.MAX_VALUE) {</span> |
| <span class="source-line-no">163</span><span id="line-163"> currentBatchSize = proc.progressBatchSize();</span> |
| <span class="source-line-no">164</span><span id="line-164"> assertTrue(currentBatchSize > 0);</span> |
| <span class="source-line-no">165</span><span id="line-165"> }</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"></span> |
| <span class="source-line-no">168</span><span id="line-168"> @Test</span> |
| <span class="source-line-no">169</span><span id="line-169"> public void testBackoffConfigurationFromTableDescriptor() {</span> |
| <span class="source-line-no">170</span><span id="line-170"> Configuration conf = HBaseConfiguration.create();</span> |
| <span class="source-line-no">171</span><span id="line-171"> TableDescriptorBuilder tbd = TableDescriptorBuilder.newBuilder(TABLE_NAME);</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> // Default (no batching, no backoff)</span> |
| <span class="source-line-no">174</span><span id="line-174"> ReopenTableRegionsProcedure proc = ReopenTableRegionsProcedure.throttled(conf, tbd.build());</span> |
| <span class="source-line-no">175</span><span id="line-175"> assertEquals(PROGRESSIVE_BATCH_BACKOFF_MILLIS_DEFAULT, proc.getReopenBatchBackoffMillis());</span> |
| <span class="source-line-no">176</span><span id="line-176"> assertEquals(Integer.MAX_VALUE, proc.progressBatchSize());</span> |
| <span class="source-line-no">177</span><span id="line-177"></span> |
| <span class="source-line-no">178</span><span id="line-178"> // From Configuration (backoff: 100ms, max: 6)</span> |
| <span class="source-line-no">179</span><span id="line-179"> conf.setLong(PROGRESSIVE_BATCH_BACKOFF_MILLIS_KEY, 100);</span> |
| <span class="source-line-no">180</span><span id="line-180"> conf.setInt(PROGRESSIVE_BATCH_SIZE_MAX_KEY, 6);</span> |
| <span class="source-line-no">181</span><span id="line-181"> proc = ReopenTableRegionsProcedure.throttled(conf, tbd.build());</span> |
| <span class="source-line-no">182</span><span id="line-182"> assertEquals(100, proc.getReopenBatchBackoffMillis());</span> |
| <span class="source-line-no">183</span><span id="line-183"> assertEquals(2, proc.progressBatchSize());</span> |
| <span class="source-line-no">184</span><span id="line-184"> assertEquals(4, proc.progressBatchSize());</span> |
| <span class="source-line-no">185</span><span id="line-185"> assertEquals(6, proc.progressBatchSize());</span> |
| <span class="source-line-no">186</span><span id="line-186"> assertEquals(6, proc.progressBatchSize());</span> |
| <span class="source-line-no">187</span><span id="line-187"></span> |
| <span class="source-line-no">188</span><span id="line-188"> // From TableDescriptor (backoff: 200ms, max: 7)</span> |
| <span class="source-line-no">189</span><span id="line-189"> tbd.setValue(PROGRESSIVE_BATCH_BACKOFF_MILLIS_KEY, "200");</span> |
| <span class="source-line-no">190</span><span id="line-190"> tbd.setValue(PROGRESSIVE_BATCH_SIZE_MAX_KEY, "7");</span> |
| <span class="source-line-no">191</span><span id="line-191"> proc = ReopenTableRegionsProcedure.throttled(conf, tbd.build());</span> |
| <span class="source-line-no">192</span><span id="line-192"> assertEquals(200, proc.getReopenBatchBackoffMillis());</span> |
| <span class="source-line-no">193</span><span id="line-193"> assertEquals(2, proc.progressBatchSize());</span> |
| <span class="source-line-no">194</span><span id="line-194"> assertEquals(4, proc.progressBatchSize());</span> |
| <span class="source-line-no">195</span><span id="line-195"> assertEquals(7, proc.progressBatchSize());</span> |
| <span class="source-line-no">196</span><span id="line-196"> assertEquals(7, proc.progressBatchSize());</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> private void confirmBatchSize(int expectedBatchSize, Set<StuckRegion> stuckRegions,</span> |
| <span class="source-line-no">200</span><span id="line-200"> ReopenTableRegionsProcedure proc) {</span> |
| <span class="source-line-no">201</span><span id="line-201"> while (true) {</span> |
| <span class="source-line-no">202</span><span id="line-202"> if (proc.getBatchesProcessed() == 0) {</span> |
| <span class="source-line-no">203</span><span id="line-203"> continue;</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"> stuckRegions.forEach(this::unstickRegion);</span> |
| <span class="source-line-no">206</span><span id="line-206"> UTIL.waitFor(5000, () -> expectedBatchSize == proc.getRegionsReopened());</span> |
| <span class="source-line-no">207</span><span id="line-207"> break;</span> |
| <span class="source-line-no">208</span><span id="line-208"> }</span> |
| <span class="source-line-no">209</span><span id="line-209"> }</span> |
| <span class="source-line-no">210</span><span id="line-210"></span> |
| <span class="source-line-no">211</span><span id="line-211"> static class StuckRegion {</span> |
| <span class="source-line-no">212</span><span id="line-212"> final TransitRegionStateProcedure trsp;</span> |
| <span class="source-line-no">213</span><span id="line-213"> final RegionStateNode regionNode;</span> |
| <span class="source-line-no">214</span><span id="line-214"> final long openSeqNum;</span> |
| <span class="source-line-no">215</span><span id="line-215"></span> |
| <span class="source-line-no">216</span><span id="line-216"> public StuckRegion(TransitRegionStateProcedure trsp, RegionStateNode regionNode,</span> |
| <span class="source-line-no">217</span><span id="line-217"> long openSeqNum) {</span> |
| <span class="source-line-no">218</span><span id="line-218"> this.trsp = trsp;</span> |
| <span class="source-line-no">219</span><span id="line-219"> this.regionNode = regionNode;</span> |
| <span class="source-line-no">220</span><span id="line-220"> this.openSeqNum = openSeqNum;</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"> }</span> |
| <span class="source-line-no">223</span><span id="line-223"></span> |
| <span class="source-line-no">224</span><span id="line-224"> private StuckRegion stickRegion(AssignmentManager am,</span> |
| <span class="source-line-no">225</span><span id="line-225"> ProcedureExecutor<MasterProcedureEnv> procExec, RegionInfo regionInfo) {</span> |
| <span class="source-line-no">226</span><span id="line-226"> RegionStateNode regionNode = am.getRegionStates().getRegionStateNode(regionInfo);</span> |
| <span class="source-line-no">227</span><span id="line-227"> TransitRegionStateProcedure trsp =</span> |
| <span class="source-line-no">228</span><span id="line-228"> TransitRegionStateProcedure.unassign(procExec.getEnvironment(), regionInfo);</span> |
| <span class="source-line-no">229</span><span id="line-229"> regionNode.lock();</span> |
| <span class="source-line-no">230</span><span id="line-230"> long openSeqNum;</span> |
| <span class="source-line-no">231</span><span id="line-231"> try {</span> |
| <span class="source-line-no">232</span><span id="line-232"> openSeqNum = regionNode.getOpenSeqNum();</span> |
| <span class="source-line-no">233</span><span id="line-233"> regionNode.setState(State.OPENING);</span> |
| <span class="source-line-no">234</span><span id="line-234"> regionNode.setOpenSeqNum(-1L);</span> |
| <span class="source-line-no">235</span><span id="line-235"> regionNode.setProcedure(trsp);</span> |
| <span class="source-line-no">236</span><span id="line-236"> } finally {</span> |
| <span class="source-line-no">237</span><span id="line-237"> regionNode.unlock();</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"> return new StuckRegion(trsp, regionNode, openSeqNum);</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> private void unstickRegion(StuckRegion stuckRegion) {</span> |
| <span class="source-line-no">243</span><span id="line-243"> stuckRegion.regionNode.lock();</span> |
| <span class="source-line-no">244</span><span id="line-244"> try {</span> |
| <span class="source-line-no">245</span><span id="line-245"> stuckRegion.regionNode.setState(State.OPEN);</span> |
| <span class="source-line-no">246</span><span id="line-246"> stuckRegion.regionNode.setOpenSeqNum(stuckRegion.openSeqNum);</span> |
| <span class="source-line-no">247</span><span id="line-247"> stuckRegion.regionNode.unsetProcedure(stuckRegion.trsp);</span> |
| <span class="source-line-no">248</span><span id="line-248"> } finally {</span> |
| <span class="source-line-no">249</span><span id="line-249"> stuckRegion.regionNode.unlock();</span> |
| <span class="source-line-no">250</span><span id="line-250"> }</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
