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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master.assignment;<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><a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.concurrent.Callable;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.concurrent.ExecutorCompletionService;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.concurrent.Future;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.concurrent.TimeUnit;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.TableName;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.junit.After;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.junit.AfterClass;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.junit.Before;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.junit.BeforeClass;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.junit.ClassRule;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.junit.Test;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.junit.experimental.categories.Category;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.slf4j.Logger;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.slf4j.LoggerFactory;<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>@Category({MasterTests.class, MediumTests.class})<a name="line.49"></a>
<span class="sourceLineNo">050</span>public class TestRegionStates {<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span> @ClassRule<a name="line.52"></a>
<span class="sourceLineNo">053</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.53"></a>
<span class="sourceLineNo">054</span> HBaseClassTestRule.forClass(TestRegionStates.class);<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span> private static final Logger LOG = LoggerFactory.getLogger(TestRegionStates.class);<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> protected static final HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> private static ThreadPoolExecutor threadPool;<a name="line.60"></a>
<span class="sourceLineNo">061</span> private static ExecutorCompletionService executorService;<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span> @BeforeClass<a name="line.63"></a>
<span class="sourceLineNo">064</span> public static void setUp() throws Exception {<a name="line.64"></a>
<span class="sourceLineNo">065</span> threadPool = Threads.getBoundedCachedThreadPool(32, 60L, TimeUnit.SECONDS,<a name="line.65"></a>
<span class="sourceLineNo">066</span> new ThreadFactoryBuilder().setNameFormat("ProcedureDispatcher-pool-%d").setDaemon(true)<a name="line.66"></a>
<span class="sourceLineNo">067</span> .setUncaughtExceptionHandler((t, e) -&gt; LOG.warn("Failed thread " + t.getName(), e))<a name="line.67"></a>
<span class="sourceLineNo">068</span> .build());<a name="line.68"></a>
<span class="sourceLineNo">069</span> executorService = new ExecutorCompletionService(threadPool);<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> @AfterClass<a name="line.72"></a>
<span class="sourceLineNo">073</span> public static void tearDown() throws Exception {<a name="line.73"></a>
<span class="sourceLineNo">074</span> threadPool.shutdown();<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> @Before<a name="line.77"></a>
<span class="sourceLineNo">078</span> public void testSetup() {<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> @After<a name="line.81"></a>
<span class="sourceLineNo">082</span> public void testTearDown() throws Exception {<a name="line.82"></a>
<span class="sourceLineNo">083</span> while (true) {<a name="line.83"></a>
<span class="sourceLineNo">084</span> Future&lt;Object&gt; f = executorService.poll();<a name="line.84"></a>
<span class="sourceLineNo">085</span> if (f == null) break;<a name="line.85"></a>
<span class="sourceLineNo">086</span> f.get();<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span> }<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> private static void waitExecutorService(final int count) throws Exception {<a name="line.90"></a>
<span class="sourceLineNo">091</span> for (int i = 0; i &lt; count; ++i) {<a name="line.91"></a>
<span class="sourceLineNo">092</span> executorService.take().get();<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span> }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span> // ==========================================================================<a name="line.96"></a>
<span class="sourceLineNo">097</span> // Regions related<a name="line.97"></a>
<span class="sourceLineNo">098</span> // ==========================================================================<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span> @Test<a name="line.100"></a>
<span class="sourceLineNo">101</span> public void testRegionDoubleCreation() throws Exception {<a name="line.101"></a>
<span class="sourceLineNo">102</span> // NOTE: RegionInfo sort by table first, so we are relying on that<a name="line.102"></a>
<span class="sourceLineNo">103</span> final TableName TABLE_NAME_A = TableName.valueOf("testOrderedByTableA");<a name="line.103"></a>
<span class="sourceLineNo">104</span> final TableName TABLE_NAME_B = TableName.valueOf("testOrderedByTableB");<a name="line.104"></a>
<span class="sourceLineNo">105</span> final TableName TABLE_NAME_C = TableName.valueOf("testOrderedByTableC");<a name="line.105"></a>
<span class="sourceLineNo">106</span> final RegionStates stateMap = new RegionStates();<a name="line.106"></a>
<span class="sourceLineNo">107</span> final int NRUNS = 1000;<a name="line.107"></a>
<span class="sourceLineNo">108</span> final int NSMALL_RUNS = 3;<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span> // add some regions for table B<a name="line.110"></a>
<span class="sourceLineNo">111</span> for (int i = 0; i &lt; NRUNS; ++i) {<a name="line.111"></a>
<span class="sourceLineNo">112</span> addRegionNode(stateMap, TABLE_NAME_B, i);<a name="line.112"></a>
<span class="sourceLineNo">113</span> }<a name="line.113"></a>
<span class="sourceLineNo">114</span> // re-add the regions for table B<a name="line.114"></a>
<span class="sourceLineNo">115</span> for (int i = 0; i &lt; NRUNS; ++i) {<a name="line.115"></a>
<span class="sourceLineNo">116</span> addRegionNode(stateMap, TABLE_NAME_B, i);<a name="line.116"></a>
<span class="sourceLineNo">117</span> }<a name="line.117"></a>
<span class="sourceLineNo">118</span> waitExecutorService(NRUNS * 2);<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span> // add two other tables A and C that will be placed before and after table B (sort order)<a name="line.120"></a>
<span class="sourceLineNo">121</span> for (int i = 0; i &lt; NSMALL_RUNS; ++i) {<a name="line.121"></a>
<span class="sourceLineNo">122</span> addRegionNode(stateMap, TABLE_NAME_A, i);<a name="line.122"></a>
<span class="sourceLineNo">123</span> addRegionNode(stateMap, TABLE_NAME_C, i);<a name="line.123"></a>
<span class="sourceLineNo">124</span> }<a name="line.124"></a>
<span class="sourceLineNo">125</span> waitExecutorService(NSMALL_RUNS * 2);<a name="line.125"></a>
<span class="sourceLineNo">126</span> // check for the list of regions of the 3 tables<a name="line.126"></a>
<span class="sourceLineNo">127</span> checkTableRegions(stateMap, TABLE_NAME_A, NSMALL_RUNS);<a name="line.127"></a>
<span class="sourceLineNo">128</span> checkTableRegions(stateMap, TABLE_NAME_B, NRUNS);<a name="line.128"></a>
<span class="sourceLineNo">129</span> checkTableRegions(stateMap, TABLE_NAME_C, NSMALL_RUNS);<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> private void checkTableRegions(final RegionStates stateMap,<a name="line.132"></a>
<span class="sourceLineNo">133</span> final TableName tableName, final int nregions) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> List&lt;RegionInfo&gt; hris = stateMap.getRegionsOfTable(tableName, true);<a name="line.134"></a>
<span class="sourceLineNo">135</span> assertEquals(nregions, hris.size());<a name="line.135"></a>
<span class="sourceLineNo">136</span> for (int i = 1; i &lt; hris.size(); ++i) {<a name="line.136"></a>
<span class="sourceLineNo">137</span> long a = Bytes.toLong(hris.get(i - 1).getStartKey());<a name="line.137"></a>
<span class="sourceLineNo">138</span> long b = Bytes.toLong(hris.get(i + 0).getStartKey());<a name="line.138"></a>
<span class="sourceLineNo">139</span> assertEquals(b, a + 1);<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> private void addRegionNode(final RegionStates stateMap,<a name="line.143"></a>
<span class="sourceLineNo">144</span> final TableName tableName, final long regionId) {<a name="line.144"></a>
<span class="sourceLineNo">145</span> executorService.submit(new Callable&lt;Object&gt;() {<a name="line.145"></a>
<span class="sourceLineNo">146</span> @Override<a name="line.146"></a>
<span class="sourceLineNo">147</span> public Object call() {<a name="line.147"></a>
<span class="sourceLineNo">148</span> return stateMap.getOrCreateRegionStateNode(RegionInfoBuilder.newBuilder(tableName)<a name="line.148"></a>
<span class="sourceLineNo">149</span> .setStartKey(Bytes.toBytes(regionId))<a name="line.149"></a>
<span class="sourceLineNo">150</span> .setEndKey(Bytes.toBytes(regionId + 1))<a name="line.150"></a>
<span class="sourceLineNo">151</span> .setSplit(false)<a name="line.151"></a>
<span class="sourceLineNo">152</span> .setRegionId(0)<a name="line.152"></a>
<span class="sourceLineNo">153</span> .build());<a name="line.153"></a>
<span class="sourceLineNo">154</span> }<a name="line.154"></a>
<span class="sourceLineNo">155</span> });<a name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> private Object createRegionNode(final RegionStates stateMap,<a name="line.158"></a>
<span class="sourceLineNo">159</span> final TableName tableName, final long regionId) {<a name="line.159"></a>
<span class="sourceLineNo">160</span> return stateMap.getOrCreateRegionStateNode(createRegionInfo(tableName, regionId));<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> private RegionInfo createRegionInfo(final TableName tableName, final long regionId) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> return RegionInfoBuilder.newBuilder(tableName)<a name="line.164"></a>
<span class="sourceLineNo">165</span> .setStartKey(Bytes.toBytes(regionId))<a name="line.165"></a>
<span class="sourceLineNo">166</span> .setEndKey(Bytes.toBytes(regionId + 1))<a name="line.166"></a>
<span class="sourceLineNo">167</span> .setSplit(false)<a name="line.167"></a>
<span class="sourceLineNo">168</span> .setRegionId(0)<a name="line.168"></a>
<span class="sourceLineNo">169</span> .build();<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> @Test<a name="line.172"></a>
<span class="sourceLineNo">173</span> public void testPerf() throws Exception {<a name="line.173"></a>
<span class="sourceLineNo">174</span> final TableName TABLE_NAME = TableName.valueOf("testPerf");<a name="line.174"></a>
<span class="sourceLineNo">175</span> final int NRUNS = 1000000; // 1M<a name="line.175"></a>
<span class="sourceLineNo">176</span> final RegionStates stateMap = new RegionStates();<a name="line.176"></a>
<span class="sourceLineNo">177</span><a name="line.177"></a>
<span class="sourceLineNo">178</span> long st = System.currentTimeMillis();<a name="line.178"></a>
<span class="sourceLineNo">179</span> for (int i = 0; i &lt; NRUNS; ++i) {<a name="line.179"></a>
<span class="sourceLineNo">180</span> final int regionId = i;<a name="line.180"></a>
<span class="sourceLineNo">181</span> executorService.submit(new Callable&lt;Object&gt;() {<a name="line.181"></a>
<span class="sourceLineNo">182</span> @Override<a name="line.182"></a>
<span class="sourceLineNo">183</span> public Object call() {<a name="line.183"></a>
<span class="sourceLineNo">184</span> RegionInfo hri = createRegionInfo(TABLE_NAME, regionId);<a name="line.184"></a>
<span class="sourceLineNo">185</span> return stateMap.getOrCreateRegionStateNode(hri);<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span> });<a name="line.187"></a>
<span class="sourceLineNo">188</span> }<a name="line.188"></a>
<span class="sourceLineNo">189</span> waitExecutorService(NRUNS);<a name="line.189"></a>
<span class="sourceLineNo">190</span> long et = System.currentTimeMillis();<a name="line.190"></a>
<span class="sourceLineNo">191</span> LOG.info(String.format("PERF STATEMAP INSERT: %s %s/sec",<a name="line.191"></a>
<span class="sourceLineNo">192</span> StringUtils.humanTimeDiff(et - st),<a name="line.192"></a>
<span class="sourceLineNo">193</span> StringUtils.humanSize(NRUNS / ((et - st) / 1000.0f))));<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span> st = System.currentTimeMillis();<a name="line.195"></a>
<span class="sourceLineNo">196</span> for (int i = 0; i &lt; NRUNS; ++i) {<a name="line.196"></a>
<span class="sourceLineNo">197</span> final int regionId = i;<a name="line.197"></a>
<span class="sourceLineNo">198</span> executorService.submit(new Callable&lt;Object&gt;() {<a name="line.198"></a>
<span class="sourceLineNo">199</span> @Override<a name="line.199"></a>
<span class="sourceLineNo">200</span> public Object call() {<a name="line.200"></a>
<span class="sourceLineNo">201</span> RegionInfo hri = createRegionInfo(TABLE_NAME, regionId);<a name="line.201"></a>
<span class="sourceLineNo">202</span> return stateMap.getRegionState(hri);<a name="line.202"></a>
<span class="sourceLineNo">203</span> }<a name="line.203"></a>
<span class="sourceLineNo">204</span> });<a name="line.204"></a>
<span class="sourceLineNo">205</span> }<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span> waitExecutorService(NRUNS);<a name="line.207"></a>
<span class="sourceLineNo">208</span> et = System.currentTimeMillis();<a name="line.208"></a>
<span class="sourceLineNo">209</span> LOG.info(String.format("PERF STATEMAP GET: %s %s/sec",<a name="line.209"></a>
<span class="sourceLineNo">210</span> StringUtils.humanTimeDiff(et - st),<a name="line.210"></a>
<span class="sourceLineNo">211</span> StringUtils.humanSize(NRUNS / ((et - st) / 1000.0f))));<a name="line.211"></a>
<span class="sourceLineNo">212</span> }<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span> @Test<a name="line.214"></a>
<span class="sourceLineNo">215</span> public void testPerfSingleThread() {<a name="line.215"></a>
<span class="sourceLineNo">216</span> final TableName TABLE_NAME = TableName.valueOf("testPerf");<a name="line.216"></a>
<span class="sourceLineNo">217</span> final int NRUNS = 1 * 1000000; // 1M<a name="line.217"></a>
<span class="sourceLineNo">218</span><a name="line.218"></a>
<span class="sourceLineNo">219</span> final RegionStates stateMap = new RegionStates();<a name="line.219"></a>
<span class="sourceLineNo">220</span> long st = System.currentTimeMillis();<a name="line.220"></a>
<span class="sourceLineNo">221</span> for (int i = 0; i &lt; NRUNS; ++i) {<a name="line.221"></a>
<span class="sourceLineNo">222</span> stateMap.createRegionStateNode(createRegionInfo(TABLE_NAME, i));<a name="line.222"></a>
<span class="sourceLineNo">223</span> }<a name="line.223"></a>
<span class="sourceLineNo">224</span> long et = System.currentTimeMillis();<a name="line.224"></a>
<span class="sourceLineNo">225</span> LOG.info(String.format("PERF SingleThread: %s %s/sec",<a name="line.225"></a>
<span class="sourceLineNo">226</span> StringUtils.humanTimeDiff(et - st),<a name="line.226"></a>
<span class="sourceLineNo">227</span> StringUtils.humanSize(NRUNS / ((et - st) / 1000.0f))));<a name="line.227"></a>
<span class="sourceLineNo">228</span> }<a name="line.228"></a>
<span class="sourceLineNo">229</span>}<a name="line.229"></a>
</pre>
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