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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.assignment;</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"></span>
<span class="source-line-no">022</span><span id="line-22">import java.util.List;</span>
<span class="source-line-no">023</span><span id="line-23">import java.util.concurrent.Callable;</span>
<span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.ExecutorCompletionService;</span>
<span class="source-line-no">025</span><span id="line-25">import java.util.concurrent.Future;</span>
<span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.ThreadPoolExecutor;</span>
<span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.TimeUnit;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseTestingUtil;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.TableName;</span>
<span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.RegionInfo;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.procedure2.util.StringUtils;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.MasterTests;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.MediumTests;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span>
<span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Threads;</span>
<span class="source-line-no">039</span><span id="line-39">import org.junit.After;</span>
<span class="source-line-no">040</span><span id="line-40">import org.junit.AfterClass;</span>
<span class="source-line-no">041</span><span id="line-41">import org.junit.Before;</span>
<span class="source-line-no">042</span><span id="line-42">import org.junit.BeforeClass;</span>
<span class="source-line-no">043</span><span id="line-43">import org.junit.ClassRule;</span>
<span class="source-line-no">044</span><span id="line-44">import org.junit.Test;</span>
<span class="source-line-no">045</span><span id="line-45">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">046</span><span id="line-46">import org.slf4j.Logger;</span>
<span class="source-line-no">047</span><span id="line-47">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">048</span><span id="line-48"></span>
<span class="source-line-no">049</span><span id="line-49">import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;</span>
<span class="source-line-no">050</span><span id="line-50"></span>
<span class="source-line-no">051</span><span id="line-51">@Category({ MasterTests.class, MediumTests.class })</span>
<span class="source-line-no">052</span><span id="line-52">public class TestRegionStates {</span>
<span class="source-line-no">053</span><span id="line-53"></span>
<span class="source-line-no">054</span><span id="line-54"> @ClassRule</span>
<span class="source-line-no">055</span><span id="line-55"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">056</span><span id="line-56"> HBaseClassTestRule.forClass(TestRegionStates.class);</span>
<span class="source-line-no">057</span><span id="line-57"></span>
<span class="source-line-no">058</span><span id="line-58"> private static final Logger LOG = LoggerFactory.getLogger(TestRegionStates.class);</span>
<span class="source-line-no">059</span><span id="line-59"></span>
<span class="source-line-no">060</span><span id="line-60"> protected static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span>
<span class="source-line-no">061</span><span id="line-61"></span>
<span class="source-line-no">062</span><span id="line-62"> private static ThreadPoolExecutor threadPool;</span>
<span class="source-line-no">063</span><span id="line-63"> private static ExecutorCompletionService&lt;Object&gt; executorService;</span>
<span class="source-line-no">064</span><span id="line-64"></span>
<span class="source-line-no">065</span><span id="line-65"> @BeforeClass</span>
<span class="source-line-no">066</span><span id="line-66"> public static void setUp() throws Exception {</span>
<span class="source-line-no">067</span><span id="line-67"> threadPool = Threads.getBoundedCachedThreadPool(32, 60L, TimeUnit.SECONDS,</span>
<span class="source-line-no">068</span><span id="line-68"> new ThreadFactoryBuilder().setNameFormat("ProcedureDispatcher-pool-%d").setDaemon(true)</span>
<span class="source-line-no">069</span><span id="line-69"> .setUncaughtExceptionHandler((t, e) -&gt; LOG.warn("Failed thread " + t.getName(), e))</span>
<span class="source-line-no">070</span><span id="line-70"> .build());</span>
<span class="source-line-no">071</span><span id="line-71"> executorService = new ExecutorCompletionService&lt;&gt;(threadPool);</span>
<span class="source-line-no">072</span><span id="line-72"> }</span>
<span class="source-line-no">073</span><span id="line-73"></span>
<span class="source-line-no">074</span><span id="line-74"> @AfterClass</span>
<span class="source-line-no">075</span><span id="line-75"> public static void tearDown() throws Exception {</span>
<span class="source-line-no">076</span><span id="line-76"> threadPool.shutdown();</span>
<span class="source-line-no">077</span><span id="line-77"> }</span>
<span class="source-line-no">078</span><span id="line-78"></span>
<span class="source-line-no">079</span><span id="line-79"> @Before</span>
<span class="source-line-no">080</span><span id="line-80"> public void testSetup() {</span>
<span class="source-line-no">081</span><span id="line-81"> }</span>
<span class="source-line-no">082</span><span id="line-82"></span>
<span class="source-line-no">083</span><span id="line-83"> @After</span>
<span class="source-line-no">084</span><span id="line-84"> public void testTearDown() throws Exception {</span>
<span class="source-line-no">085</span><span id="line-85"> while (true) {</span>
<span class="source-line-no">086</span><span id="line-86"> Future&lt;Object&gt; f = executorService.poll();</span>
<span class="source-line-no">087</span><span id="line-87"> if (f == null) break;</span>
<span class="source-line-no">088</span><span id="line-88"> f.get();</span>
<span class="source-line-no">089</span><span id="line-89"> }</span>
<span class="source-line-no">090</span><span id="line-90"> }</span>
<span class="source-line-no">091</span><span id="line-91"></span>
<span class="source-line-no">092</span><span id="line-92"> private static void waitExecutorService(final int count) throws Exception {</span>
<span class="source-line-no">093</span><span id="line-93"> for (int i = 0; i &lt; count; ++i) {</span>
<span class="source-line-no">094</span><span id="line-94"> executorService.take().get();</span>
<span class="source-line-no">095</span><span id="line-95"> }</span>
<span class="source-line-no">096</span><span id="line-96"> }</span>
<span class="source-line-no">097</span><span id="line-97"></span>
<span class="source-line-no">098</span><span id="line-98"> // ==========================================================================</span>
<span class="source-line-no">099</span><span id="line-99"> // Regions related</span>
<span class="source-line-no">100</span><span id="line-100"> // ==========================================================================</span>
<span class="source-line-no">101</span><span id="line-101"></span>
<span class="source-line-no">102</span><span id="line-102"> @Test</span>
<span class="source-line-no">103</span><span id="line-103"> public void testRegionDoubleCreation() throws Exception {</span>
<span class="source-line-no">104</span><span id="line-104"> // NOTE: RegionInfo sort by table first, so we are relying on that</span>
<span class="source-line-no">105</span><span id="line-105"> final TableName TABLE_NAME_A = TableName.valueOf("testOrderedByTableA");</span>
<span class="source-line-no">106</span><span id="line-106"> final TableName TABLE_NAME_B = TableName.valueOf("testOrderedByTableB");</span>
<span class="source-line-no">107</span><span id="line-107"> final TableName TABLE_NAME_C = TableName.valueOf("testOrderedByTableC");</span>
<span class="source-line-no">108</span><span id="line-108"> final RegionStates stateMap = new RegionStates();</span>
<span class="source-line-no">109</span><span id="line-109"> final int NRUNS = 1000;</span>
<span class="source-line-no">110</span><span id="line-110"> final int NSMALL_RUNS = 3;</span>
<span class="source-line-no">111</span><span id="line-111"></span>
<span class="source-line-no">112</span><span id="line-112"> // add some regions for table B</span>
<span class="source-line-no">113</span><span id="line-113"> for (int i = 0; i &lt; NRUNS; ++i) {</span>
<span class="source-line-no">114</span><span id="line-114"> addRegionNode(stateMap, TABLE_NAME_B, i);</span>
<span class="source-line-no">115</span><span id="line-115"> }</span>
<span class="source-line-no">116</span><span id="line-116"> // re-add the regions for table B</span>
<span class="source-line-no">117</span><span id="line-117"> for (int i = 0; i &lt; NRUNS; ++i) {</span>
<span class="source-line-no">118</span><span id="line-118"> addRegionNode(stateMap, TABLE_NAME_B, i);</span>
<span class="source-line-no">119</span><span id="line-119"> }</span>
<span class="source-line-no">120</span><span id="line-120"> waitExecutorService(NRUNS * 2);</span>
<span class="source-line-no">121</span><span id="line-121"></span>
<span class="source-line-no">122</span><span id="line-122"> // add two other tables A and C that will be placed before and after table B (sort order)</span>
<span class="source-line-no">123</span><span id="line-123"> for (int i = 0; i &lt; NSMALL_RUNS; ++i) {</span>
<span class="source-line-no">124</span><span id="line-124"> addRegionNode(stateMap, TABLE_NAME_A, i);</span>
<span class="source-line-no">125</span><span id="line-125"> addRegionNode(stateMap, TABLE_NAME_C, i);</span>
<span class="source-line-no">126</span><span id="line-126"> }</span>
<span class="source-line-no">127</span><span id="line-127"> waitExecutorService(NSMALL_RUNS * 2);</span>
<span class="source-line-no">128</span><span id="line-128"> // check for the list of regions of the 3 tables</span>
<span class="source-line-no">129</span><span id="line-129"> checkTableRegions(stateMap, TABLE_NAME_A, NSMALL_RUNS);</span>
<span class="source-line-no">130</span><span id="line-130"> checkTableRegions(stateMap, TABLE_NAME_B, NRUNS);</span>
<span class="source-line-no">131</span><span id="line-131"> checkTableRegions(stateMap, TABLE_NAME_C, NSMALL_RUNS);</span>
<span class="source-line-no">132</span><span id="line-132"> }</span>
<span class="source-line-no">133</span><span id="line-133"></span>
<span class="source-line-no">134</span><span id="line-134"> private void checkTableRegions(final RegionStates stateMap, final TableName tableName,</span>
<span class="source-line-no">135</span><span id="line-135"> final int nregions) {</span>
<span class="source-line-no">136</span><span id="line-136"> List&lt;RegionStateNode&gt; rns = stateMap.getTableRegionStateNodes(tableName);</span>
<span class="source-line-no">137</span><span id="line-137"> assertEquals(nregions, rns.size());</span>
<span class="source-line-no">138</span><span id="line-138"> for (int i = 1; i &lt; rns.size(); ++i) {</span>
<span class="source-line-no">139</span><span id="line-139"> long a = Bytes.toLong(rns.get(i - 1).getRegionInfo().getStartKey());</span>
<span class="source-line-no">140</span><span id="line-140"> long b = Bytes.toLong(rns.get(i + 0).getRegionInfo().getStartKey());</span>
<span class="source-line-no">141</span><span id="line-141"> assertEquals(b, a + 1);</span>
<span class="source-line-no">142</span><span id="line-142"> }</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"> private void addRegionNode(final RegionStates stateMap, final TableName tableName,</span>
<span class="source-line-no">146</span><span id="line-146"> final long regionId) {</span>
<span class="source-line-no">147</span><span id="line-147"> executorService.submit(new Callable&lt;Object&gt;() {</span>
<span class="source-line-no">148</span><span id="line-148"> @Override</span>
<span class="source-line-no">149</span><span id="line-149"> public Object call() {</span>
<span class="source-line-no">150</span><span id="line-150"> return stateMap.getOrCreateRegionStateNode(</span>
<span class="source-line-no">151</span><span id="line-151"> RegionInfoBuilder.newBuilder(tableName).setStartKey(Bytes.toBytes(regionId))</span>
<span class="source-line-no">152</span><span id="line-152"> .setEndKey(Bytes.toBytes(regionId + 1)).setSplit(false).setRegionId(0).build());</span>
<span class="source-line-no">153</span><span id="line-153"> }</span>
<span class="source-line-no">154</span><span id="line-154"> });</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"> private RegionInfo createRegionInfo(final TableName tableName, final long regionId) {</span>
<span class="source-line-no">158</span><span id="line-158"> return RegionInfoBuilder.newBuilder(tableName).setStartKey(Bytes.toBytes(regionId))</span>
<span class="source-line-no">159</span><span id="line-159"> .setEndKey(Bytes.toBytes(regionId + 1)).setSplit(false).setRegionId(0).build();</span>
<span class="source-line-no">160</span><span id="line-160"> }</span>
<span class="source-line-no">161</span><span id="line-161"></span>
<span class="source-line-no">162</span><span id="line-162"> @Test</span>
<span class="source-line-no">163</span><span id="line-163"> public void testPerf() throws Exception {</span>
<span class="source-line-no">164</span><span id="line-164"> final TableName TABLE_NAME = TableName.valueOf("testPerf");</span>
<span class="source-line-no">165</span><span id="line-165"> final int NRUNS = 1000000; // 1M</span>
<span class="source-line-no">166</span><span id="line-166"> final RegionStates stateMap = new RegionStates();</span>
<span class="source-line-no">167</span><span id="line-167"></span>
<span class="source-line-no">168</span><span id="line-168"> long st = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">169</span><span id="line-169"> for (int i = 0; i &lt; NRUNS; ++i) {</span>
<span class="source-line-no">170</span><span id="line-170"> final int regionId = i;</span>
<span class="source-line-no">171</span><span id="line-171"> executorService.submit(new Callable&lt;Object&gt;() {</span>
<span class="source-line-no">172</span><span id="line-172"> @Override</span>
<span class="source-line-no">173</span><span id="line-173"> public Object call() {</span>
<span class="source-line-no">174</span><span id="line-174"> RegionInfo hri = createRegionInfo(TABLE_NAME, regionId);</span>
<span class="source-line-no">175</span><span id="line-175"> return stateMap.getOrCreateRegionStateNode(hri);</span>
<span class="source-line-no">176</span><span id="line-176"> }</span>
<span class="source-line-no">177</span><span id="line-177"> });</span>
<span class="source-line-no">178</span><span id="line-178"> }</span>
<span class="source-line-no">179</span><span id="line-179"> waitExecutorService(NRUNS);</span>
<span class="source-line-no">180</span><span id="line-180"> long et = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">181</span><span id="line-181"> LOG.info(String.format("PERF STATEMAP INSERT: %s %s/sec", StringUtils.humanTimeDiff(et - st),</span>
<span class="source-line-no">182</span><span id="line-182"> StringUtils.humanSize(NRUNS / ((et - st) / 1000.0f))));</span>
<span class="source-line-no">183</span><span id="line-183"></span>
<span class="source-line-no">184</span><span id="line-184"> st = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">185</span><span id="line-185"> for (int i = 0; i &lt; NRUNS; ++i) {</span>
<span class="source-line-no">186</span><span id="line-186"> final int regionId = i;</span>
<span class="source-line-no">187</span><span id="line-187"> executorService.submit(new Callable&lt;Object&gt;() {</span>
<span class="source-line-no">188</span><span id="line-188"> @Override</span>
<span class="source-line-no">189</span><span id="line-189"> public Object call() {</span>
<span class="source-line-no">190</span><span id="line-190"> RegionInfo hri = createRegionInfo(TABLE_NAME, regionId);</span>
<span class="source-line-no">191</span><span id="line-191"> return stateMap.getRegionState(hri);</span>
<span class="source-line-no">192</span><span id="line-192"> }</span>
<span class="source-line-no">193</span><span id="line-193"> });</span>
<span class="source-line-no">194</span><span id="line-194"> }</span>
<span class="source-line-no">195</span><span id="line-195"></span>
<span class="source-line-no">196</span><span id="line-196"> waitExecutorService(NRUNS);</span>
<span class="source-line-no">197</span><span id="line-197"> et = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">198</span><span id="line-198"> LOG.info(String.format("PERF STATEMAP GET: %s %s/sec", StringUtils.humanTimeDiff(et - st),</span>
<span class="source-line-no">199</span><span id="line-199"> StringUtils.humanSize(NRUNS / ((et - st) / 1000.0f))));</span>
<span class="source-line-no">200</span><span id="line-200"> }</span>
<span class="source-line-no">201</span><span id="line-201"></span>
<span class="source-line-no">202</span><span id="line-202"> @Test</span>
<span class="source-line-no">203</span><span id="line-203"> public void testPerfSingleThread() {</span>
<span class="source-line-no">204</span><span id="line-204"> final TableName TABLE_NAME = TableName.valueOf("testPerf");</span>
<span class="source-line-no">205</span><span id="line-205"> final int NRUNS = 1 * 1000000; // 1M</span>
<span class="source-line-no">206</span><span id="line-206"></span>
<span class="source-line-no">207</span><span id="line-207"> final RegionStates stateMap = new RegionStates();</span>
<span class="source-line-no">208</span><span id="line-208"> long st = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">209</span><span id="line-209"> for (int i = 0; i &lt; NRUNS; ++i) {</span>
<span class="source-line-no">210</span><span id="line-210"> stateMap.createRegionStateNode(createRegionInfo(TABLE_NAME, i));</span>
<span class="source-line-no">211</span><span id="line-211"> }</span>
<span class="source-line-no">212</span><span id="line-212"> long et = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">213</span><span id="line-213"> LOG.info(String.format("PERF SingleThread: %s %s/sec", StringUtils.humanTimeDiff(et - st),</span>
<span class="source-line-no">214</span><span id="line-214"> StringUtils.humanSize(NRUNS / ((et - st) / 1000.0f))));</span>
<span class="source-line-no">215</span><span id="line-215"> }</span>
<span class="source-line-no">216</span><span id="line-216">}</span>
</pre>
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