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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;</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 java.lang.String.format;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertNotNull;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">024</span><span id="line-24"></span> |
| <span class="source-line-no">025</span><span id="line-25">import com.codahale.metrics.Histogram;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.ArrayDeque;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.ArrayList;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Arrays;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.List;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Queue;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.Set;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.Callable;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.chaos.actions.MoveRandomRegionOfTableAction;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.chaos.actions.RestartRandomRsExceptMetaAction;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.chaos.monkies.PolicyBasedChaosMonkey;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.chaos.policies.Policy;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.ipc.RpcClient;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.regionserver.DisabledRegionSplitPolicy;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.testclassification.IntegrationTests;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.util.YammerHistogramUtils;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.mapreduce.Counters;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.mapreduce.Job;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.util.ToolRunner;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.slf4j.Logger;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hbase.thirdparty.com.google.common.base.MoreObjects;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hbase.thirdparty.com.google.common.collect.Sets;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">/**</span> |
| <span class="source-line-no">056</span><span id="line-56"> * Test for comparing the performance impact of region replicas. Uses components of</span> |
| <span class="source-line-no">057</span><span id="line-57"> * {@link PerformanceEvaluation}. Does not run from {@code IntegrationTestsDriver} because</span> |
| <span class="source-line-no">058</span><span id="line-58"> * IntegrationTestBase is incompatible with the JUnit runner. Hence no @Test annotations either. See</span> |
| <span class="source-line-no">059</span><span id="line-59"> * {@code -help} for full list of options.</span> |
| <span class="source-line-no">060</span><span id="line-60"> */</span> |
| <span class="source-line-no">061</span><span id="line-61">@Category(IntegrationTests.class)</span> |
| <span class="source-line-no">062</span><span id="line-62">public class IntegrationTestRegionReplicaPerf extends IntegrationTestBase {</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> private static final Logger LOG = LoggerFactory.getLogger(IntegrationTestRegionReplicaPerf.class);</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> private static final String SLEEP_TIME_KEY = "sleeptime";</span> |
| <span class="source-line-no">067</span><span id="line-67"> // short default interval because tests don't run very long.</span> |
| <span class="source-line-no">068</span><span id="line-68"> private static final String SLEEP_TIME_DEFAULT = "" + (10 * 1000l);</span> |
| <span class="source-line-no">069</span><span id="line-69"> private static final String TABLE_NAME_KEY = "tableName";</span> |
| <span class="source-line-no">070</span><span id="line-70"> private static final String TABLE_NAME_DEFAULT = "IntegrationTestRegionReplicaPerf";</span> |
| <span class="source-line-no">071</span><span id="line-71"> private static final String REPLICA_COUNT_KEY = "replicas";</span> |
| <span class="source-line-no">072</span><span id="line-72"> private static final String REPLICA_COUNT_DEFAULT = "" + 3;</span> |
| <span class="source-line-no">073</span><span id="line-73"> private static final String PRIMARY_TIMEOUT_KEY = "timeout";</span> |
| <span class="source-line-no">074</span><span id="line-74"> private static final String PRIMARY_TIMEOUT_DEFAULT = "" + 10 * 1000; // 10 ms</span> |
| <span class="source-line-no">075</span><span id="line-75"> private static final String NUM_RS_KEY = "numRs";</span> |
| <span class="source-line-no">076</span><span id="line-76"> private static final String NUM_RS_DEFAULT = "" + 3;</span> |
| <span class="source-line-no">077</span><span id="line-77"> public static final String FAMILY_NAME = "info";</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> /** Extract a descriptive statistic from a {@link com.codahale.metrics.Histogram}. */</span> |
| <span class="source-line-no">080</span><span id="line-80"> private enum Stat {</span> |
| <span class="source-line-no">081</span><span id="line-81"> STDEV {</span> |
| <span class="source-line-no">082</span><span id="line-82"> @Override</span> |
| <span class="source-line-no">083</span><span id="line-83"> double apply(Histogram hist) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> return hist.getSnapshot().getStdDev();</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"> },</span> |
| <span class="source-line-no">087</span><span id="line-87"> FOUR_9S {</span> |
| <span class="source-line-no">088</span><span id="line-88"> @Override</span> |
| <span class="source-line-no">089</span><span id="line-89"> double apply(Histogram hist) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> return hist.getSnapshot().getValue(0.9999);</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"> };</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> abstract double apply(Histogram hist);</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"> private TableName tableName;</span> |
| <span class="source-line-no">098</span><span id="line-98"> private long sleepTime;</span> |
| <span class="source-line-no">099</span><span id="line-99"> private int replicaCount;</span> |
| <span class="source-line-no">100</span><span id="line-100"> private int primaryTimeout;</span> |
| <span class="source-line-no">101</span><span id="line-101"> private int clusterSize;</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> /**</span> |
| <span class="source-line-no">104</span><span id="line-104"> * Wraps the invocation of {@link PerformanceEvaluation} in a {@code Callable}.</span> |
| <span class="source-line-no">105</span><span id="line-105"> */</span> |
| <span class="source-line-no">106</span><span id="line-106"> static class PerfEvalCallable implements Callable<TimingResult> {</span> |
| <span class="source-line-no">107</span><span id="line-107"> private final Queue<String> argv = new ArrayDeque<>();</span> |
| <span class="source-line-no">108</span><span id="line-108"> private final Admin admin;</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> public PerfEvalCallable(Admin admin, String argv) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> // TODO: this API is awkward, should take Connection, not Admin</span> |
| <span class="source-line-no">112</span><span id="line-112"> this.admin = admin;</span> |
| <span class="source-line-no">113</span><span id="line-113"> this.argv.addAll(Arrays.asList(argv.split(" ")));</span> |
| <span class="source-line-no">114</span><span id="line-114"> LOG.debug("Created PerformanceEvaluationCallable with args: " + argv);</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> @Override</span> |
| <span class="source-line-no">118</span><span id="line-118"> public TimingResult call() throws Exception {</span> |
| <span class="source-line-no">119</span><span id="line-119"> PerformanceEvaluation.TestOptions opts = PerformanceEvaluation.parseOpts(argv);</span> |
| <span class="source-line-no">120</span><span id="line-120"> PerformanceEvaluation.checkTable(admin, opts);</span> |
| <span class="source-line-no">121</span><span id="line-121"> PerformanceEvaluation.RunResult results[] = null;</span> |
| <span class="source-line-no">122</span><span id="line-122"> long numRows = opts.totalRows;</span> |
| <span class="source-line-no">123</span><span id="line-123"> long elapsedTime = 0;</span> |
| <span class="source-line-no">124</span><span id="line-124"> if (opts.nomapred) {</span> |
| <span class="source-line-no">125</span><span id="line-125"> results = PerformanceEvaluation.doLocalClients(opts, admin.getConfiguration());</span> |
| <span class="source-line-no">126</span><span id="line-126"> for (PerformanceEvaluation.RunResult r : results) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> elapsedTime = Math.max(elapsedTime, r.duration);</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"> } else {</span> |
| <span class="source-line-no">130</span><span id="line-130"> Job job = PerformanceEvaluation.doMapReduce(opts, admin.getConfiguration());</span> |
| <span class="source-line-no">131</span><span id="line-131"> Counters counters = job.getCounters();</span> |
| <span class="source-line-no">132</span><span id="line-132"> numRows = counters.findCounter(PerformanceEvaluation.Counter.ROWS).getValue();</span> |
| <span class="source-line-no">133</span><span id="line-133"> elapsedTime = counters.findCounter(PerformanceEvaluation.Counter.ELAPSED_TIME).getValue();</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"> return new TimingResult(numRows, elapsedTime, results);</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"> }</span> |
| <span class="source-line-no">138</span><span id="line-138"></span> |
| <span class="source-line-no">139</span><span id="line-139"> /**</span> |
| <span class="source-line-no">140</span><span id="line-140"> * Record the results from a single {@link PerformanceEvaluation} job run.</span> |
| <span class="source-line-no">141</span><span id="line-141"> */</span> |
| <span class="source-line-no">142</span><span id="line-142"> static class TimingResult {</span> |
| <span class="source-line-no">143</span><span id="line-143"> public final long numRows;</span> |
| <span class="source-line-no">144</span><span id="line-144"> public final long elapsedTime;</span> |
| <span class="source-line-no">145</span><span id="line-145"> public final PerformanceEvaluation.RunResult results[];</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> public TimingResult(long numRows, long elapsedTime, PerformanceEvaluation.RunResult results[]) {</span> |
| <span class="source-line-no">148</span><span id="line-148"> this.numRows = numRows;</span> |
| <span class="source-line-no">149</span><span id="line-149"> this.elapsedTime = elapsedTime;</span> |
| <span class="source-line-no">150</span><span id="line-150"> this.results = results;</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> @Override</span> |
| <span class="source-line-no">154</span><span id="line-154"> public String toString() {</span> |
| <span class="source-line-no">155</span><span id="line-155"> return MoreObjects.toStringHelper(this).add("numRows", numRows)</span> |
| <span class="source-line-no">156</span><span id="line-156"> .add("elapsedTime", elapsedTime).toString();</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> @Override</span> |
| <span class="source-line-no">161</span><span id="line-161"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">162</span><span id="line-162"> super.setUp();</span> |
| <span class="source-line-no">163</span><span id="line-163"> Configuration conf = util.getConfiguration();</span> |
| <span class="source-line-no">164</span><span id="line-164"></span> |
| <span class="source-line-no">165</span><span id="line-165"> // sanity check cluster</span> |
| <span class="source-line-no">166</span><span id="line-166"> // TODO: this should reach out to master and verify online state instead</span> |
| <span class="source-line-no">167</span><span id="line-167"> assertEquals("Master must be configured with StochasticLoadBalancer",</span> |
| <span class="source-line-no">168</span><span id="line-168"> "org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer",</span> |
| <span class="source-line-no">169</span><span id="line-169"> conf.get("hbase.master.loadbalancer.class"));</span> |
| <span class="source-line-no">170</span><span id="line-170"> // TODO: this should reach out to master and verify online state instead</span> |
| <span class="source-line-no">171</span><span id="line-171"> assertTrue("hbase.regionserver.storefile.refresh.period must be greater than zero.",</span> |
| <span class="source-line-no">172</span><span id="line-172"> conf.getLong("hbase.regionserver.storefile.refresh.period", 0) > 0);</span> |
| <span class="source-line-no">173</span><span id="line-173"></span> |
| <span class="source-line-no">174</span><span id="line-174"> // enable client-side settings</span> |
| <span class="source-line-no">175</span><span id="line-175"> conf.setBoolean(RpcClient.SPECIFIC_WRITE_THREAD, true);</span> |
| <span class="source-line-no">176</span><span id="line-176"> // TODO: expose these settings to CLI override</span> |
| <span class="source-line-no">177</span><span id="line-177"> conf.setLong("hbase.client.primaryCallTimeout.get", primaryTimeout);</span> |
| <span class="source-line-no">178</span><span id="line-178"> conf.setLong("hbase.client.primaryCallTimeout.multiget", primaryTimeout);</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"></span> |
| <span class="source-line-no">181</span><span id="line-181"> @Override</span> |
| <span class="source-line-no">182</span><span id="line-182"> public void setUpCluster() throws Exception {</span> |
| <span class="source-line-no">183</span><span id="line-183"> util = getTestingUtil(getConf());</span> |
| <span class="source-line-no">184</span><span id="line-184"> util.initializeCluster(clusterSize);</span> |
| <span class="source-line-no">185</span><span id="line-185"> }</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> @Override</span> |
| <span class="source-line-no">188</span><span id="line-188"> public void setUpMonkey() throws Exception {</span> |
| <span class="source-line-no">189</span><span id="line-189"> Policy p = new PeriodicRandomActionPolicy(sleepTime,</span> |
| <span class="source-line-no">190</span><span id="line-190"> new RestartRandomRsExceptMetaAction(sleepTime), new MoveRandomRegionOfTableAction(tableName));</span> |
| <span class="source-line-no">191</span><span id="line-191"> this.monkey = new PolicyBasedChaosMonkey(util, p);</span> |
| <span class="source-line-no">192</span><span id="line-192"> // don't start monkey right away</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"> @Override</span> |
| <span class="source-line-no">196</span><span id="line-196"> protected void addOptions() {</span> |
| <span class="source-line-no">197</span><span id="line-197"> addOptWithArg(TABLE_NAME_KEY, "Alternate table name. Default: '" + TABLE_NAME_DEFAULT + "'");</span> |
| <span class="source-line-no">198</span><span id="line-198"> addOptWithArg(SLEEP_TIME_KEY,</span> |
| <span class="source-line-no">199</span><span id="line-199"> "How long the monkey sleeps between actions. Default: " + SLEEP_TIME_DEFAULT);</span> |
| <span class="source-line-no">200</span><span id="line-200"> addOptWithArg(REPLICA_COUNT_KEY,</span> |
| <span class="source-line-no">201</span><span id="line-201"> "Number of region replicas. Default: " + REPLICA_COUNT_DEFAULT);</span> |
| <span class="source-line-no">202</span><span id="line-202"> addOptWithArg(PRIMARY_TIMEOUT_KEY,</span> |
| <span class="source-line-no">203</span><span id="line-203"> "Overrides hbase.client.primaryCallTimeout. Default: " + PRIMARY_TIMEOUT_DEFAULT + " (10ms)");</span> |
| <span class="source-line-no">204</span><span id="line-204"> addOptWithArg(NUM_RS_KEY,</span> |
| <span class="source-line-no">205</span><span id="line-205"> "Specify the number of RegionServers to use. Default: " + NUM_RS_DEFAULT);</span> |
| <span class="source-line-no">206</span><span id="line-206"> }</span> |
| <span class="source-line-no">207</span><span id="line-207"></span> |
| <span class="source-line-no">208</span><span id="line-208"> @Override</span> |
| <span class="source-line-no">209</span><span id="line-209"> protected void processOptions(CommandLine cmd) {</span> |
| <span class="source-line-no">210</span><span id="line-210"> tableName = TableName.valueOf(cmd.getOptionValue(TABLE_NAME_KEY, TABLE_NAME_DEFAULT));</span> |
| <span class="source-line-no">211</span><span id="line-211"> sleepTime = Long.parseLong(cmd.getOptionValue(SLEEP_TIME_KEY, SLEEP_TIME_DEFAULT));</span> |
| <span class="source-line-no">212</span><span id="line-212"> replicaCount = Integer.parseInt(cmd.getOptionValue(REPLICA_COUNT_KEY, REPLICA_COUNT_DEFAULT));</span> |
| <span class="source-line-no">213</span><span id="line-213"> primaryTimeout =</span> |
| <span class="source-line-no">214</span><span id="line-214"> Integer.parseInt(cmd.getOptionValue(PRIMARY_TIMEOUT_KEY, PRIMARY_TIMEOUT_DEFAULT));</span> |
| <span class="source-line-no">215</span><span id="line-215"> clusterSize = Integer.parseInt(cmd.getOptionValue(NUM_RS_KEY, NUM_RS_DEFAULT));</span> |
| <span class="source-line-no">216</span><span id="line-216"> LOG.debug(MoreObjects.toStringHelper("Parsed Options").add(TABLE_NAME_KEY, tableName)</span> |
| <span class="source-line-no">217</span><span id="line-217"> .add(SLEEP_TIME_KEY, sleepTime).add(REPLICA_COUNT_KEY, replicaCount)</span> |
| <span class="source-line-no">218</span><span id="line-218"> .add(PRIMARY_TIMEOUT_KEY, primaryTimeout).add(NUM_RS_KEY, clusterSize).toString());</span> |
| <span class="source-line-no">219</span><span id="line-219"> }</span> |
| <span class="source-line-no">220</span><span id="line-220"></span> |
| <span class="source-line-no">221</span><span id="line-221"> @Override</span> |
| <span class="source-line-no">222</span><span id="line-222"> public int runTestFromCommandLine() throws Exception {</span> |
| <span class="source-line-no">223</span><span id="line-223"> test();</span> |
| <span class="source-line-no">224</span><span id="line-224"> return 0;</span> |
| <span class="source-line-no">225</span><span id="line-225"> }</span> |
| <span class="source-line-no">226</span><span id="line-226"></span> |
| <span class="source-line-no">227</span><span id="line-227"> @Override</span> |
| <span class="source-line-no">228</span><span id="line-228"> public TableName getTablename() {</span> |
| <span class="source-line-no">229</span><span id="line-229"> return tableName;</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"></span> |
| <span class="source-line-no">232</span><span id="line-232"> @Override</span> |
| <span class="source-line-no">233</span><span id="line-233"> protected Set<String> getColumnFamilies() {</span> |
| <span class="source-line-no">234</span><span id="line-234"> return Sets.newHashSet(FAMILY_NAME);</span> |
| <span class="source-line-no">235</span><span id="line-235"> }</span> |
| <span class="source-line-no">236</span><span id="line-236"></span> |
| <span class="source-line-no">237</span><span id="line-237"> /** Compute the mean of the given {@code stat} from a timing results. */</span> |
| <span class="source-line-no">238</span><span id="line-238"> private static double calcMean(String desc, Stat stat, List<TimingResult> results) {</span> |
| <span class="source-line-no">239</span><span id="line-239"> double sum = 0;</span> |
| <span class="source-line-no">240</span><span id="line-240"> int count = 0;</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> for (TimingResult tr : results) {</span> |
| <span class="source-line-no">243</span><span id="line-243"> for (PerformanceEvaluation.RunResult r : tr.results) {</span> |
| <span class="source-line-no">244</span><span id="line-244"> assertNotNull("One of the run results is missing detailed run data.", r.hist);</span> |
| <span class="source-line-no">245</span><span id="line-245"> sum += stat.apply(r.hist);</span> |
| <span class="source-line-no">246</span><span id="line-246"> count += 1;</span> |
| <span class="source-line-no">247</span><span id="line-247"> LOG.debug(desc + "{" + YammerHistogramUtils.getHistogramReport(r.hist) + "}");</span> |
| <span class="source-line-no">248</span><span id="line-248"> }</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"> return sum / count;</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> |
| <span class="source-line-no">253</span><span id="line-253"> public void test() throws Exception {</span> |
| <span class="source-line-no">254</span><span id="line-254"> int maxIters = 3;</span> |
| <span class="source-line-no">255</span><span id="line-255"> String replicas = "--replicas=" + replicaCount;</span> |
| <span class="source-line-no">256</span><span id="line-256"> // TODO: splits disabled until "phase 2" is complete.</span> |
| <span class="source-line-no">257</span><span id="line-257"> String splitPolicy = "--splitPolicy=" + DisabledRegionSplitPolicy.class.getName();</span> |
| <span class="source-line-no">258</span><span id="line-258"> String writeOpts =</span> |
| <span class="source-line-no">259</span><span id="line-259"> format("%s --nomapred --table=%s --presplit=16 sequentialWrite 4", splitPolicy, tableName);</span> |
| <span class="source-line-no">260</span><span id="line-260"> String readOpts =</span> |
| <span class="source-line-no">261</span><span id="line-261"> format("--nomapred --table=%s --latency --sampleRate=0.1 randomRead 4", tableName);</span> |
| <span class="source-line-no">262</span><span id="line-262"> String replicaReadOpts = format("%s %s", replicas, readOpts);</span> |
| <span class="source-line-no">263</span><span id="line-263"></span> |
| <span class="source-line-no">264</span><span id="line-264"> ArrayList<TimingResult> resultsWithoutReplicas = new ArrayList<>(maxIters);</span> |
| <span class="source-line-no">265</span><span id="line-265"> ArrayList<TimingResult> resultsWithReplicas = new ArrayList<>(maxIters);</span> |
| <span class="source-line-no">266</span><span id="line-266"></span> |
| <span class="source-line-no">267</span><span id="line-267"> // create/populate the table, replicas disabled</span> |
| <span class="source-line-no">268</span><span id="line-268"> LOG.debug("Populating table.");</span> |
| <span class="source-line-no">269</span><span id="line-269"> new PerfEvalCallable(util.getAdmin(), writeOpts).call();</span> |
| <span class="source-line-no">270</span><span id="line-270"></span> |
| <span class="source-line-no">271</span><span id="line-271"> // one last sanity check, then send in the clowns!</span> |
| <span class="source-line-no">272</span><span id="line-272"> assertEquals("Table must be created with DisabledRegionSplitPolicy. Broken test.",</span> |
| <span class="source-line-no">273</span><span id="line-273"> DisabledRegionSplitPolicy.class.getName(),</span> |
| <span class="source-line-no">274</span><span id="line-274"> util.getAdmin().getDescriptor(tableName).getRegionSplitPolicyClassName());</span> |
| <span class="source-line-no">275</span><span id="line-275"> startMonkey();</span> |
| <span class="source-line-no">276</span><span id="line-276"></span> |
| <span class="source-line-no">277</span><span id="line-277"> // collect a baseline without region replicas.</span> |
| <span class="source-line-no">278</span><span id="line-278"> for (int i = 0; i < maxIters; i++) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> LOG.debug("Launching non-replica job " + (i + 1) + "/" + maxIters);</span> |
| <span class="source-line-no">280</span><span id="line-280"> resultsWithoutReplicas.add(new PerfEvalCallable(util.getAdmin(), readOpts).call());</span> |
| <span class="source-line-no">281</span><span id="line-281"> // TODO: sleep to let cluster stabilize, though monkey continues. is it necessary?</span> |
| <span class="source-line-no">282</span><span id="line-282"> Thread.sleep(5000l);</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"></span> |
| <span class="source-line-no">285</span><span id="line-285"> // disable monkey, enable region replicas, enable monkey</span> |
| <span class="source-line-no">286</span><span id="line-286"> cleanUpMonkey("Altering table.");</span> |
| <span class="source-line-no">287</span><span id="line-287"> LOG.debug("Altering " + tableName + " replica count to " + replicaCount);</span> |
| <span class="source-line-no">288</span><span id="line-288"> IntegrationTestingUtility.setReplicas(util.getAdmin(), tableName, replicaCount);</span> |
| <span class="source-line-no">289</span><span id="line-289"> setUpMonkey();</span> |
| <span class="source-line-no">290</span><span id="line-290"> startMonkey();</span> |
| <span class="source-line-no">291</span><span id="line-291"></span> |
| <span class="source-line-no">292</span><span id="line-292"> // run test with region replicas.</span> |
| <span class="source-line-no">293</span><span id="line-293"> for (int i = 0; i < maxIters; i++) {</span> |
| <span class="source-line-no">294</span><span id="line-294"> LOG.debug("Launching replica job " + (i + 1) + "/" + maxIters);</span> |
| <span class="source-line-no">295</span><span id="line-295"> resultsWithReplicas.add(new PerfEvalCallable(util.getAdmin(), replicaReadOpts).call());</span> |
| <span class="source-line-no">296</span><span id="line-296"> // TODO: sleep to let cluster stabilize, though monkey continues. is it necessary?</span> |
| <span class="source-line-no">297</span><span id="line-297"> Thread.sleep(5000l);</span> |
| <span class="source-line-no">298</span><span id="line-298"> }</span> |
| <span class="source-line-no">299</span><span id="line-299"></span> |
| <span class="source-line-no">300</span><span id="line-300"> // compare the average of the stdev and 99.99pct across runs to determine if region replicas</span> |
| <span class="source-line-no">301</span><span id="line-301"> // are having an overall improvement on response variance experienced by clients.</span> |
| <span class="source-line-no">302</span><span id="line-302"> double withoutReplicasStdevMean =</span> |
| <span class="source-line-no">303</span><span id="line-303"> calcMean("withoutReplicas", Stat.STDEV, resultsWithoutReplicas);</span> |
| <span class="source-line-no">304</span><span id="line-304"> double withoutReplicas9999Mean =</span> |
| <span class="source-line-no">305</span><span id="line-305"> calcMean("withoutReplicas", Stat.FOUR_9S, resultsWithoutReplicas);</span> |
| <span class="source-line-no">306</span><span id="line-306"> double withReplicasStdevMean = calcMean("withReplicas", Stat.STDEV, resultsWithReplicas);</span> |
| <span class="source-line-no">307</span><span id="line-307"> double withReplicas9999Mean = calcMean("withReplicas", Stat.FOUR_9S, resultsWithReplicas);</span> |
| <span class="source-line-no">308</span><span id="line-308"></span> |
| <span class="source-line-no">309</span><span id="line-309"> LOG.info(MoreObjects.toStringHelper(this).add("withoutReplicas", resultsWithoutReplicas)</span> |
| <span class="source-line-no">310</span><span id="line-310"> .add("withReplicas", resultsWithReplicas)</span> |
| <span class="source-line-no">311</span><span id="line-311"> .add("withoutReplicasStdevMean", withoutReplicasStdevMean)</span> |
| <span class="source-line-no">312</span><span id="line-312"> .add("withoutReplicas99.99Mean", withoutReplicas9999Mean)</span> |
| <span class="source-line-no">313</span><span id="line-313"> .add("withReplicasStdevMean", withReplicasStdevMean)</span> |
| <span class="source-line-no">314</span><span id="line-314"> .add("withReplicas99.99Mean", withReplicas9999Mean).toString());</span> |
| <span class="source-line-no">315</span><span id="line-315"></span> |
| <span class="source-line-no">316</span><span id="line-316"> assertTrue(</span> |
| <span class="source-line-no">317</span><span id="line-317"> "Running with region replicas under chaos should have less request variance than without. "</span> |
| <span class="source-line-no">318</span><span id="line-318"> + "withReplicas.stdev.mean: " + withReplicasStdevMean + "ms "</span> |
| <span class="source-line-no">319</span><span id="line-319"> + "withoutReplicas.stdev.mean: " + withoutReplicasStdevMean + "ms.",</span> |
| <span class="source-line-no">320</span><span id="line-320"> withReplicasStdevMean <= withoutReplicasStdevMean);</span> |
| <span class="source-line-no">321</span><span id="line-321"> assertTrue(</span> |
| <span class="source-line-no">322</span><span id="line-322"> "Running with region replicas under chaos should improve 99.99pct latency. "</span> |
| <span class="source-line-no">323</span><span id="line-323"> + "withReplicas.99.99.mean: " + withReplicas9999Mean + "ms "</span> |
| <span class="source-line-no">324</span><span id="line-324"> + "withoutReplicas.99.99.mean: " + withoutReplicas9999Mean + "ms.",</span> |
| <span class="source-line-no">325</span><span id="line-325"> withReplicas9999Mean <= withoutReplicas9999Mean);</span> |
| <span class="source-line-no">326</span><span id="line-326"> }</span> |
| <span class="source-line-no">327</span><span id="line-327"></span> |
| <span class="source-line-no">328</span><span id="line-328"> public static void main(String[] args) throws Exception {</span> |
| <span class="source-line-no">329</span><span id="line-329"> Configuration conf = HBaseConfiguration.create();</span> |
| <span class="source-line-no">330</span><span id="line-330"> IntegrationTestingUtility.setUseDistributedCluster(conf);</span> |
| <span class="source-line-no">331</span><span id="line-331"> int status = ToolRunner.run(conf, new IntegrationTestRegionReplicaPerf(), args);</span> |
| <span class="source-line-no">332</span><span id="line-332"> System.exit(status);</span> |
| <span class="source-line-no">333</span><span id="line-333"> }</span> |
| <span class="source-line-no">334</span><span id="line-334">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
