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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.regionserver;</span>
<span class="source-line-no">019</span><span id="line-19"></span>
<span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span>
<span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span>
<span class="source-line-no">022</span><span id="line-22"></span>
<span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span>
<span class="source-line-no">024</span><span id="line-24">import java.util.ArrayList;</span>
<span class="source-line-no">025</span><span id="line-25">import java.util.List;</span>
<span class="source-line-no">026</span><span id="line-26">import java.util.Random;</span>
<span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.ThreadLocalRandom;</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.Admin;</span>
<span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.CompactionState;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Put;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Table;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.master.HMaster;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.LargeTests;</span>
<span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.VerySlowRegionServerTests;</span>
<span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</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.BeforeClass;</span>
<span class="source-line-no">042</span><span id="line-42">import org.junit.ClassRule;</span>
<span class="source-line-no">043</span><span id="line-43">import org.junit.Rule;</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.junit.rules.TestName;</span>
<span class="source-line-no">047</span><span id="line-47"></span>
<span class="source-line-no">048</span><span id="line-48">/** Unit tests to test retrieving table/region compaction state */</span>
<span class="source-line-no">049</span><span id="line-49">@Category({ VerySlowRegionServerTests.class, LargeTests.class })</span>
<span class="source-line-no">050</span><span id="line-50">public class TestCompactionState {</span>
<span class="source-line-no">051</span><span id="line-51"></span>
<span class="source-line-no">052</span><span id="line-52"> @ClassRule</span>
<span class="source-line-no">053</span><span id="line-53"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">054</span><span id="line-54"> HBaseClassTestRule.forClass(TestCompactionState.class);</span>
<span class="source-line-no">055</span><span id="line-55"></span>
<span class="source-line-no">056</span><span id="line-56"> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span>
<span class="source-line-no">057</span><span id="line-57"></span>
<span class="source-line-no">058</span><span id="line-58"> @Rule</span>
<span class="source-line-no">059</span><span id="line-59"> public TestName name = new TestName();</span>
<span class="source-line-no">060</span><span id="line-60"></span>
<span class="source-line-no">061</span><span id="line-61"> @BeforeClass</span>
<span class="source-line-no">062</span><span id="line-62"> public static void setUpBeforeClass() throws Exception {</span>
<span class="source-line-no">063</span><span id="line-63"> TEST_UTIL.startMiniCluster();</span>
<span class="source-line-no">064</span><span id="line-64"> }</span>
<span class="source-line-no">065</span><span id="line-65"></span>
<span class="source-line-no">066</span><span id="line-66"> @AfterClass</span>
<span class="source-line-no">067</span><span id="line-67"> public static void tearDownAfterClass() throws Exception {</span>
<span class="source-line-no">068</span><span id="line-68"> TEST_UTIL.shutdownMiniCluster();</span>
<span class="source-line-no">069</span><span id="line-69"> }</span>
<span class="source-line-no">070</span><span id="line-70"></span>
<span class="source-line-no">071</span><span id="line-71"> enum StateSource {</span>
<span class="source-line-no">072</span><span id="line-72"> ADMIN,</span>
<span class="source-line-no">073</span><span id="line-73"> MASTER</span>
<span class="source-line-no">074</span><span id="line-74"> }</span>
<span class="source-line-no">075</span><span id="line-75"></span>
<span class="source-line-no">076</span><span id="line-76"> @Test</span>
<span class="source-line-no">077</span><span id="line-77"> public void testMajorCompactionStateFromAdmin() throws IOException, InterruptedException {</span>
<span class="source-line-no">078</span><span id="line-78"> compaction(name.getMethodName(), 8, CompactionState.MAJOR, false, StateSource.ADMIN);</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"> @Test</span>
<span class="source-line-no">082</span><span id="line-82"> public void testMinorCompactionStateFromAdmin() throws IOException, InterruptedException {</span>
<span class="source-line-no">083</span><span id="line-83"> compaction(name.getMethodName(), 15, CompactionState.MINOR, false, StateSource.ADMIN);</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 testMajorCompactionOnFamilyStateFromAdmin() throws IOException, InterruptedException {</span>
<span class="source-line-no">088</span><span id="line-88"> compaction(name.getMethodName(), 8, CompactionState.MAJOR, true, StateSource.ADMIN);</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"> @Test</span>
<span class="source-line-no">092</span><span id="line-92"> public void testMinorCompactionOnFamilyStateFromAdmin() throws IOException, InterruptedException {</span>
<span class="source-line-no">093</span><span id="line-93"> compaction(name.getMethodName(), 15, CompactionState.MINOR, true, StateSource.ADMIN);</span>
<span class="source-line-no">094</span><span id="line-94"> }</span>
<span class="source-line-no">095</span><span id="line-95"></span>
<span class="source-line-no">096</span><span id="line-96"> @Test</span>
<span class="source-line-no">097</span><span id="line-97"> public void testMajorCompactionStateFromMaster() throws IOException, InterruptedException {</span>
<span class="source-line-no">098</span><span id="line-98"> compaction(name.getMethodName(), 8, CompactionState.MAJOR, false, StateSource.MASTER);</span>
<span class="source-line-no">099</span><span id="line-99"> }</span>
<span class="source-line-no">100</span><span id="line-100"></span>
<span class="source-line-no">101</span><span id="line-101"> @Test</span>
<span class="source-line-no">102</span><span id="line-102"> public void testMinorCompactionStateFromMaster() throws IOException, InterruptedException {</span>
<span class="source-line-no">103</span><span id="line-103"> compaction(name.getMethodName(), 15, CompactionState.MINOR, false, StateSource.MASTER);</span>
<span class="source-line-no">104</span><span id="line-104"> }</span>
<span class="source-line-no">105</span><span id="line-105"></span>
<span class="source-line-no">106</span><span id="line-106"> @Test</span>
<span class="source-line-no">107</span><span id="line-107"> public void testMajorCompactionOnFamilyStateFromMaster()</span>
<span class="source-line-no">108</span><span id="line-108"> throws IOException, InterruptedException {</span>
<span class="source-line-no">109</span><span id="line-109"> compaction(name.getMethodName(), 8, CompactionState.MAJOR, true, StateSource.MASTER);</span>
<span class="source-line-no">110</span><span id="line-110"> }</span>
<span class="source-line-no">111</span><span id="line-111"></span>
<span class="source-line-no">112</span><span id="line-112"> @Test</span>
<span class="source-line-no">113</span><span id="line-113"> public void testMinorCompactionOnFamilyStateFromMaster()</span>
<span class="source-line-no">114</span><span id="line-114"> throws IOException, InterruptedException {</span>
<span class="source-line-no">115</span><span id="line-115"> compaction(name.getMethodName(), 15, CompactionState.MINOR, true, StateSource.MASTER);</span>
<span class="source-line-no">116</span><span id="line-116"> }</span>
<span class="source-line-no">117</span><span id="line-117"></span>
<span class="source-line-no">118</span><span id="line-118"> @Test</span>
<span class="source-line-no">119</span><span id="line-119"> public void testInvalidColumnFamily() throws IOException, InterruptedException {</span>
<span class="source-line-no">120</span><span id="line-120"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">121</span><span id="line-121"> byte[] family = Bytes.toBytes("family");</span>
<span class="source-line-no">122</span><span id="line-122"> byte[] fakecf = Bytes.toBytes("fakecf");</span>
<span class="source-line-no">123</span><span id="line-123"> boolean caughtMinorCompact = false;</span>
<span class="source-line-no">124</span><span id="line-124"> boolean caughtMajorCompact = false;</span>
<span class="source-line-no">125</span><span id="line-125"> Table ht = null;</span>
<span class="source-line-no">126</span><span id="line-126"> try {</span>
<span class="source-line-no">127</span><span id="line-127"> ht = TEST_UTIL.createTable(tableName, family);</span>
<span class="source-line-no">128</span><span id="line-128"> Admin admin = TEST_UTIL.getAdmin();</span>
<span class="source-line-no">129</span><span id="line-129"> try {</span>
<span class="source-line-no">130</span><span id="line-130"> admin.compact(tableName, fakecf);</span>
<span class="source-line-no">131</span><span id="line-131"> } catch (IOException ioe) {</span>
<span class="source-line-no">132</span><span id="line-132"> caughtMinorCompact = true;</span>
<span class="source-line-no">133</span><span id="line-133"> }</span>
<span class="source-line-no">134</span><span id="line-134"> try {</span>
<span class="source-line-no">135</span><span id="line-135"> admin.majorCompact(tableName, fakecf);</span>
<span class="source-line-no">136</span><span id="line-136"> } catch (IOException ioe) {</span>
<span class="source-line-no">137</span><span id="line-137"> caughtMajorCompact = true;</span>
<span class="source-line-no">138</span><span id="line-138"> }</span>
<span class="source-line-no">139</span><span id="line-139"> } finally {</span>
<span class="source-line-no">140</span><span id="line-140"> if (ht != null) {</span>
<span class="source-line-no">141</span><span id="line-141"> TEST_UTIL.deleteTable(tableName);</span>
<span class="source-line-no">142</span><span id="line-142"> }</span>
<span class="source-line-no">143</span><span id="line-143"> assertTrue(caughtMinorCompact);</span>
<span class="source-line-no">144</span><span id="line-144"> assertTrue(caughtMajorCompact);</span>
<span class="source-line-no">145</span><span id="line-145"> }</span>
<span class="source-line-no">146</span><span id="line-146"> }</span>
<span class="source-line-no">147</span><span id="line-147"></span>
<span class="source-line-no">148</span><span id="line-148"> /**</span>
<span class="source-line-no">149</span><span id="line-149"> * Load data to a table, flush it to disk, trigger compaction, confirm the compaction state is</span>
<span class="source-line-no">150</span><span id="line-150"> * right and wait till it is done.</span>
<span class="source-line-no">151</span><span id="line-151"> * @param singleFamily otherwise, run compaction on all cfs</span>
<span class="source-line-no">152</span><span id="line-152"> * @param stateSource get the state by Admin or Master</span>
<span class="source-line-no">153</span><span id="line-153"> */</span>
<span class="source-line-no">154</span><span id="line-154"> private void compaction(final String tableName, final int flushes,</span>
<span class="source-line-no">155</span><span id="line-155"> final CompactionState expectedState, boolean singleFamily, StateSource stateSource)</span>
<span class="source-line-no">156</span><span id="line-156"> throws IOException, InterruptedException {</span>
<span class="source-line-no">157</span><span id="line-157"> // Create a table with regions</span>
<span class="source-line-no">158</span><span id="line-158"> TableName table = TableName.valueOf(tableName);</span>
<span class="source-line-no">159</span><span id="line-159"> byte[] family = Bytes.toBytes("family");</span>
<span class="source-line-no">160</span><span id="line-160"> byte[][] families =</span>
<span class="source-line-no">161</span><span id="line-161"> { family, Bytes.add(family, Bytes.toBytes("2")), Bytes.add(family, Bytes.toBytes("3")) };</span>
<span class="source-line-no">162</span><span id="line-162"> Table ht = null;</span>
<span class="source-line-no">163</span><span id="line-163"> try {</span>
<span class="source-line-no">164</span><span id="line-164"> ht = TEST_UTIL.createTable(table, families);</span>
<span class="source-line-no">165</span><span id="line-165"> loadData(ht, families, 3000, flushes);</span>
<span class="source-line-no">166</span><span id="line-166"> HRegionServer rs = TEST_UTIL.getMiniHBaseCluster().getRegionServer(0);</span>
<span class="source-line-no">167</span><span id="line-167"> HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();</span>
<span class="source-line-no">168</span><span id="line-168"> List&lt;HRegion&gt; regions = rs.getRegions(table);</span>
<span class="source-line-no">169</span><span id="line-169"> int countBefore = countStoreFilesInFamilies(regions, families);</span>
<span class="source-line-no">170</span><span id="line-170"> int countBeforeSingleFamily = countStoreFilesInFamily(regions, family);</span>
<span class="source-line-no">171</span><span id="line-171"> assertTrue(countBefore &gt; 0); // there should be some data files</span>
<span class="source-line-no">172</span><span id="line-172"> Admin admin = TEST_UTIL.getAdmin();</span>
<span class="source-line-no">173</span><span id="line-173"> if (expectedState == CompactionState.MINOR) {</span>
<span class="source-line-no">174</span><span id="line-174"> if (singleFamily) {</span>
<span class="source-line-no">175</span><span id="line-175"> admin.compact(table, family);</span>
<span class="source-line-no">176</span><span id="line-176"> } else {</span>
<span class="source-line-no">177</span><span id="line-177"> admin.compact(table);</span>
<span class="source-line-no">178</span><span id="line-178"> }</span>
<span class="source-line-no">179</span><span id="line-179"> } else {</span>
<span class="source-line-no">180</span><span id="line-180"> if (singleFamily) {</span>
<span class="source-line-no">181</span><span id="line-181"> admin.majorCompact(table, family);</span>
<span class="source-line-no">182</span><span id="line-182"> } else {</span>
<span class="source-line-no">183</span><span id="line-183"> admin.majorCompact(table);</span>
<span class="source-line-no">184</span><span id="line-184"> }</span>
<span class="source-line-no">185</span><span id="line-185"> }</span>
<span class="source-line-no">186</span><span id="line-186"> long curt = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">187</span><span id="line-187"> long waitTime = 5000;</span>
<span class="source-line-no">188</span><span id="line-188"> long endt = curt + waitTime;</span>
<span class="source-line-no">189</span><span id="line-189"> CompactionState state = getCompactionState(stateSource, master, admin, table);</span>
<span class="source-line-no">190</span><span id="line-190"> while (state == CompactionState.NONE &amp;&amp; curt &lt; endt) {</span>
<span class="source-line-no">191</span><span id="line-191"> Thread.sleep(10);</span>
<span class="source-line-no">192</span><span id="line-192"> state = getCompactionState(stateSource, master, admin, table);</span>
<span class="source-line-no">193</span><span id="line-193"> curt = EnvironmentEdgeManager.currentTime();</span>
<span class="source-line-no">194</span><span id="line-194"> }</span>
<span class="source-line-no">195</span><span id="line-195"> // Now, should have the right compaction state,</span>
<span class="source-line-no">196</span><span id="line-196"> // otherwise, the compaction should have already been done</span>
<span class="source-line-no">197</span><span id="line-197"> if (expectedState != state) {</span>
<span class="source-line-no">198</span><span id="line-198"> for (Region region : regions) {</span>
<span class="source-line-no">199</span><span id="line-199"> state = CompactionState.valueOf(region.getCompactionState().toString());</span>
<span class="source-line-no">200</span><span id="line-200"> assertEquals(CompactionState.NONE, state);</span>
<span class="source-line-no">201</span><span id="line-201"> }</span>
<span class="source-line-no">202</span><span id="line-202"> } else {</span>
<span class="source-line-no">203</span><span id="line-203"> // Wait until the compaction is done</span>
<span class="source-line-no">204</span><span id="line-204"> state = getCompactionState(stateSource, master, admin, table);</span>
<span class="source-line-no">205</span><span id="line-205"> while (state != CompactionState.NONE &amp;&amp; curt &lt; endt) {</span>
<span class="source-line-no">206</span><span id="line-206"> Thread.sleep(10);</span>
<span class="source-line-no">207</span><span id="line-207"> state = getCompactionState(stateSource, master, admin, table);</span>
<span class="source-line-no">208</span><span id="line-208"> }</span>
<span class="source-line-no">209</span><span id="line-209"> // Now, compaction should be done.</span>
<span class="source-line-no">210</span><span id="line-210"> assertEquals(CompactionState.NONE, state);</span>
<span class="source-line-no">211</span><span id="line-211"> }</span>
<span class="source-line-no">212</span><span id="line-212"> int countAfter = countStoreFilesInFamilies(regions, families);</span>
<span class="source-line-no">213</span><span id="line-213"> int countAfterSingleFamily = countStoreFilesInFamily(regions, family);</span>
<span class="source-line-no">214</span><span id="line-214"> assertTrue(countAfter &lt; countBefore);</span>
<span class="source-line-no">215</span><span id="line-215"> if (!singleFamily) {</span>
<span class="source-line-no">216</span><span id="line-216"> if (expectedState == CompactionState.MAJOR) assertTrue(families.length == countAfter);</span>
<span class="source-line-no">217</span><span id="line-217"> else assertTrue(families.length &lt; countAfter);</span>
<span class="source-line-no">218</span><span id="line-218"> } else {</span>
<span class="source-line-no">219</span><span id="line-219"> int singleFamDiff = countBeforeSingleFamily - countAfterSingleFamily;</span>
<span class="source-line-no">220</span><span id="line-220"> // assert only change was to single column family</span>
<span class="source-line-no">221</span><span id="line-221"> assertTrue(singleFamDiff == (countBefore - countAfter));</span>
<span class="source-line-no">222</span><span id="line-222"> if (expectedState == CompactionState.MAJOR) {</span>
<span class="source-line-no">223</span><span id="line-223"> assertTrue(1 == countAfterSingleFamily);</span>
<span class="source-line-no">224</span><span id="line-224"> } else {</span>
<span class="source-line-no">225</span><span id="line-225"> assertTrue(1 &lt; countAfterSingleFamily);</span>
<span class="source-line-no">226</span><span id="line-226"> }</span>
<span class="source-line-no">227</span><span id="line-227"> }</span>
<span class="source-line-no">228</span><span id="line-228"> } finally {</span>
<span class="source-line-no">229</span><span id="line-229"> if (ht != null) {</span>
<span class="source-line-no">230</span><span id="line-230"> TEST_UTIL.deleteTable(table);</span>
<span class="source-line-no">231</span><span id="line-231"> }</span>
<span class="source-line-no">232</span><span id="line-232"> }</span>
<span class="source-line-no">233</span><span id="line-233"> }</span>
<span class="source-line-no">234</span><span id="line-234"></span>
<span class="source-line-no">235</span><span id="line-235"> private static CompactionState getCompactionState(StateSource stateSource, HMaster master,</span>
<span class="source-line-no">236</span><span id="line-236"> Admin admin, TableName table) throws IOException {</span>
<span class="source-line-no">237</span><span id="line-237"> CompactionState state = stateSource == StateSource.ADMIN</span>
<span class="source-line-no">238</span><span id="line-238"> ? admin.getCompactionState(table)</span>
<span class="source-line-no">239</span><span id="line-239"> : master.getCompactionState(table);</span>
<span class="source-line-no">240</span><span id="line-240"> return state;</span>
<span class="source-line-no">241</span><span id="line-241"> }</span>
<span class="source-line-no">242</span><span id="line-242"></span>
<span class="source-line-no">243</span><span id="line-243"> private static int countStoreFilesInFamily(List&lt;HRegion&gt; regions, final byte[] family) {</span>
<span class="source-line-no">244</span><span id="line-244"> return countStoreFilesInFamilies(regions, new byte[][] { family });</span>
<span class="source-line-no">245</span><span id="line-245"> }</span>
<span class="source-line-no">246</span><span id="line-246"></span>
<span class="source-line-no">247</span><span id="line-247"> private static int countStoreFilesInFamilies(List&lt;HRegion&gt; regions, final byte[][] families) {</span>
<span class="source-line-no">248</span><span id="line-248"> int count = 0;</span>
<span class="source-line-no">249</span><span id="line-249"> for (HRegion region : regions) {</span>
<span class="source-line-no">250</span><span id="line-250"> count += region.getStoreFileList(families).size();</span>
<span class="source-line-no">251</span><span id="line-251"> }</span>
<span class="source-line-no">252</span><span id="line-252"> return count;</span>
<span class="source-line-no">253</span><span id="line-253"> }</span>
<span class="source-line-no">254</span><span id="line-254"></span>
<span class="source-line-no">255</span><span id="line-255"> private static void loadData(final Table ht, final byte[][] families, final int rows,</span>
<span class="source-line-no">256</span><span id="line-256"> final int flushes) throws IOException {</span>
<span class="source-line-no">257</span><span id="line-257"> List&lt;Put&gt; puts = new ArrayList&lt;&gt;(rows);</span>
<span class="source-line-no">258</span><span id="line-258"> byte[] qualifier = Bytes.toBytes("val");</span>
<span class="source-line-no">259</span><span id="line-259"> Random rand = ThreadLocalRandom.current();</span>
<span class="source-line-no">260</span><span id="line-260"> for (int i = 0; i &lt; flushes; i++) {</span>
<span class="source-line-no">261</span><span id="line-261"> for (int k = 0; k &lt; rows; k++) {</span>
<span class="source-line-no">262</span><span id="line-262"> byte[] row = Bytes.toBytes(rand.nextLong());</span>
<span class="source-line-no">263</span><span id="line-263"> Put p = new Put(row);</span>
<span class="source-line-no">264</span><span id="line-264"> for (int j = 0; j &lt; families.length; ++j) {</span>
<span class="source-line-no">265</span><span id="line-265"> p.addColumn(families[j], qualifier, row);</span>
<span class="source-line-no">266</span><span id="line-266"> }</span>
<span class="source-line-no">267</span><span id="line-267"> puts.add(p);</span>
<span class="source-line-no">268</span><span id="line-268"> }</span>
<span class="source-line-no">269</span><span id="line-269"> ht.put(puts);</span>
<span class="source-line-no">270</span><span id="line-270"> TEST_UTIL.flush();</span>
<span class="source-line-no">271</span><span id="line-271"> puts.clear();</span>
<span class="source-line-no">272</span><span id="line-272"> }</span>
<span class="source-line-no">273</span><span id="line-273"> }</span>
<span class="source-line-no">274</span><span id="line-274">}</span>
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