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From mi...@apache.org
Subject [21/52] [partial] hbase git commit: Published website at 40c7b09ac86bdbf560321fa71867112aea92a324
Date Wed, 11 Nov 2015 02:24:27 GMT
http://git-wip-us.apache.org/repos/asf/hbase/blob/1619ae4c/testdevapidocs/src-html/org/apache/hadoop/hbase/IntegrationTestRegionReplicaPerf.Stat.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/IntegrationTestRegionReplicaPerf.Stat.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/IntegrationTestRegionReplicaPerf.Stat.html
index 679bcf7..2ef94b9 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/IntegrationTestRegionReplicaPerf.Stat.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/IntegrationTestRegionReplicaPerf.Stat.html
@@ -27,326 +27,328 @@
 <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a>
 <span class="sourceLineNo">020</span><a name="line.20"></a>
 <span class="sourceLineNo">021</span>import com.google.common.base.Objects;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import com.yammer.metrics.core.Histogram;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import org.apache.commons.cli.CommandLine;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.commons.logging.Log;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.commons.logging.LogFactory;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.conf.Configuration;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.chaos.actions.MoveRandomRegionOfTableAction;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.chaos.actions.RestartRandomRsExceptMetaAction;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.chaos.monkies.PolicyBasedChaosMonkey;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.chaos.policies.Policy;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.ipc.RpcClient;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.regionserver.DisabledRegionSplitPolicy;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.testclassification.IntegrationTests;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.YammerHistogramUtils;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.mapreduce.Counters;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.mapreduce.Job;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.util.ToolRunner;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.junit.experimental.categories.Category;<a name="line.40"></a>
-<span class="sourceLineNo">041</span><a name="line.41"></a>
-<span class="sourceLineNo">042</span>import java.util.*;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import java.util.concurrent.Callable;<a name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span>import static java.lang.String.format;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import static org.junit.Assert.assertEquals;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import static org.junit.Assert.assertNotNull;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import static org.junit.Assert.assertTrue;<a name="line.48"></a>
-<span class="sourceLineNo">049</span><a name="line.49"></a>
-<span class="sourceLineNo">050</span>/**<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * Test for comparing the performance impact of region replicas. Uses<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * components of {@link PerformanceEvaluation}. Does not run from<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * {@code IntegrationTestsDriver} because IntegrationTestBase is incompatible<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * with the JUnit runner. Hence no @Test annotations either. See {@code -help}<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * for full list of options.<a name="line.55"></a>
-<span class="sourceLineNo">056</span> */<a name="line.56"></a>
-<span class="sourceLineNo">057</span>@Category(IntegrationTests.class)<a name="line.57"></a>
-<span class="sourceLineNo">058</span>public class IntegrationTestRegionReplicaPerf extends IntegrationTestBase {<a name="line.58"></a>
-<span class="sourceLineNo">059</span><a name="line.59"></a>
-<span class="sourceLineNo">060</span>  private static final Log LOG = LogFactory.getLog(IntegrationTestRegionReplicaPerf.class);<a name="line.60"></a>
+<span class="sourceLineNo">022</span>import com.google.common.collect.Sets;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import com.yammer.metrics.core.Histogram;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.commons.cli.CommandLine;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.commons.logging.Log;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.commons.logging.LogFactory;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.conf.Configuration;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.chaos.actions.MoveRandomRegionOfTableAction;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.chaos.actions.RestartRandomRsExceptMetaAction;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.chaos.monkies.PolicyBasedChaosMonkey;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.chaos.policies.Policy;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ipc.RpcClient;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.regionserver.DisabledRegionSplitPolicy;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.testclassification.IntegrationTests;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.YammerHistogramUtils;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.mapreduce.Counters;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.mapreduce.Job;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.util.ToolRunner;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.junit.experimental.categories.Category;<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span>import java.util.*;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import java.util.concurrent.Callable;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>import static java.lang.String.format;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import static org.junit.Assert.assertEquals;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import static org.junit.Assert.assertNotNull;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import static org.junit.Assert.assertTrue;<a name="line.50"></a>
+<span class="sourceLineNo">051</span><a name="line.51"></a>
+<span class="sourceLineNo">052</span>/**<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * Test for comparing the performance impact of region replicas. Uses<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * components of {@link PerformanceEvaluation}. Does not run from<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * {@code IntegrationTestsDriver} because IntegrationTestBase is incompatible<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * with the JUnit runner. Hence no @Test annotations either. See {@code -help}<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * for full list of options.<a name="line.57"></a>
+<span class="sourceLineNo">058</span> */<a name="line.58"></a>
+<span class="sourceLineNo">059</span>@Category(IntegrationTests.class)<a name="line.59"></a>
+<span class="sourceLineNo">060</span>public class IntegrationTestRegionReplicaPerf extends IntegrationTestBase {<a name="line.60"></a>
 <span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span>  private static final String SLEEP_TIME_KEY = "sleeptime";<a name="line.62"></a>
-<span class="sourceLineNo">063</span>  // short default interval because tests don't run very long.<a name="line.63"></a>
-<span class="sourceLineNo">064</span>  private static final String SLEEP_TIME_DEFAULT = "" + (10 * 1000l);<a name="line.64"></a>
-<span class="sourceLineNo">065</span>  private static final String TABLE_NAME_KEY = "tableName";<a name="line.65"></a>
-<span class="sourceLineNo">066</span>  private static final String TABLE_NAME_DEFAULT = "IntegrationTestRegionReplicaPerf";<a name="line.66"></a>
-<span class="sourceLineNo">067</span>  private static final String REPLICA_COUNT_KEY = "replicas";<a name="line.67"></a>
-<span class="sourceLineNo">068</span>  private static final String REPLICA_COUNT_DEFAULT = "" + 3;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>  private static final String PRIMARY_TIMEOUT_KEY = "timeout";<a name="line.69"></a>
-<span class="sourceLineNo">070</span>  private static final String PRIMARY_TIMEOUT_DEFAULT = "" + 10 * 1000; // 10 ms<a name="line.70"></a>
-<span class="sourceLineNo">071</span>  private static final String NUM_RS_KEY = "numRs";<a name="line.71"></a>
-<span class="sourceLineNo">072</span>  private static final String NUM_RS_DEFAULT = "" + 3;<a name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span>  /** Extract a descriptive statistic from a {@link com.yammer.metrics.core.Histogram}. */<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  private enum Stat {<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    STDEV {<a name="line.76"></a>
-<span class="sourceLineNo">077</span>      @Override<a name="line.77"></a>
-<span class="sourceLineNo">078</span>      double apply(Histogram hist) {<a name="line.78"></a>
-<span class="sourceLineNo">079</span>        return hist.stdDev();<a name="line.79"></a>
-<span class="sourceLineNo">080</span>      }<a name="line.80"></a>
-<span class="sourceLineNo">081</span>    },<a name="line.81"></a>
-<span class="sourceLineNo">082</span>    FOUR_9S {<a name="line.82"></a>
-<span class="sourceLineNo">083</span>      @Override<a name="line.83"></a>
-<span class="sourceLineNo">084</span>      double apply(Histogram hist) {<a name="line.84"></a>
-<span class="sourceLineNo">085</span>        return hist.getSnapshot().getValue(0.9999);<a name="line.85"></a>
-<span class="sourceLineNo">086</span>      }<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>    abstract double apply(Histogram hist);<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  }<a name="line.90"></a>
-<span class="sourceLineNo">091</span><a name="line.91"></a>
-<span class="sourceLineNo">092</span>  private TableName tableName;<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  private long sleepTime;<a name="line.93"></a>
-<span class="sourceLineNo">094</span>  private int replicaCount;<a name="line.94"></a>
-<span class="sourceLineNo">095</span>  private int primaryTimeout;<a name="line.95"></a>
-<span class="sourceLineNo">096</span>  private int clusterSize;<a name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span>  /**<a name="line.98"></a>
-<span class="sourceLineNo">099</span>   * Wraps the invocation of {@link PerformanceEvaluation} in a {@code Callable}.<a name="line.99"></a>
-<span class="sourceLineNo">100</span>   */<a name="line.100"></a>
-<span class="sourceLineNo">101</span>  static class PerfEvalCallable implements Callable&lt;TimingResult&gt; {<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    private final Queue&lt;String&gt; argv = new LinkedList&lt;String&gt;();<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    private final Admin admin;<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span>    public PerfEvalCallable(Admin admin, String argv) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span>      // TODO: this API is awkward, should take HConnection, not HBaseAdmin<a name="line.106"></a>
-<span class="sourceLineNo">107</span>      this.admin = admin;<a name="line.107"></a>
-<span class="sourceLineNo">108</span>      this.argv.addAll(Arrays.asList(argv.split(" ")));<a name="line.108"></a>
-<span class="sourceLineNo">109</span>      LOG.debug("Created PerformanceEvaluationCallable with args: " + argv);<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    }<a name="line.110"></a>
-<span class="sourceLineNo">111</span><a name="line.111"></a>
-<span class="sourceLineNo">112</span>    @Override<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    public TimingResult call() throws Exception {<a name="line.113"></a>
-<span class="sourceLineNo">114</span>      PerformanceEvaluation.TestOptions opts = PerformanceEvaluation.parseOpts(argv);<a name="line.114"></a>
-<span class="sourceLineNo">115</span>      PerformanceEvaluation.checkTable(admin, opts);<a name="line.115"></a>
-<span class="sourceLineNo">116</span>      PerformanceEvaluation.RunResult results[] = null;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>      long numRows = opts.totalRows;<a name="line.117"></a>
-<span class="sourceLineNo">118</span>      long elapsedTime = 0;<a name="line.118"></a>
-<span class="sourceLineNo">119</span>      if (opts.nomapred) {<a name="line.119"></a>
-<span class="sourceLineNo">120</span>        results = PerformanceEvaluation.doLocalClients(opts, admin.getConfiguration());<a name="line.120"></a>
-<span class="sourceLineNo">121</span>        for (PerformanceEvaluation.RunResult r : results) {<a name="line.121"></a>
-<span class="sourceLineNo">122</span>          elapsedTime = Math.max(elapsedTime, r.duration);<a name="line.122"></a>
-<span class="sourceLineNo">123</span>        }<a name="line.123"></a>
-<span class="sourceLineNo">124</span>      } else {<a name="line.124"></a>
-<span class="sourceLineNo">125</span>        Job job = PerformanceEvaluation.doMapReduce(opts, admin.getConfiguration());<a name="line.125"></a>
-<span class="sourceLineNo">126</span>        Counters counters = job.getCounters();<a name="line.126"></a>
-<span class="sourceLineNo">127</span>        numRows = counters.findCounter(PerformanceEvaluation.Counter.ROWS).getValue();<a name="line.127"></a>
-<span class="sourceLineNo">128</span>        elapsedTime = counters.findCounter(PerformanceEvaluation.Counter.ELAPSED_TIME).getValue();<a name="line.128"></a>
-<span class="sourceLineNo">129</span>      }<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      return new TimingResult(numRows, elapsedTime, results);<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    }<a name="line.131"></a>
-<span class="sourceLineNo">132</span>  }<a name="line.132"></a>
-<span class="sourceLineNo">133</span><a name="line.133"></a>
-<span class="sourceLineNo">134</span>  /**<a name="line.134"></a>
-<span class="sourceLineNo">135</span>   * Record the results from a single {@link PerformanceEvaluation} job run.<a name="line.135"></a>
-<span class="sourceLineNo">136</span>   */<a name="line.136"></a>
-<span class="sourceLineNo">137</span>  static class TimingResult {<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    public final long numRows;<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    public final long elapsedTime;<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    public final PerformanceEvaluation.RunResult results[];<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span>    public TimingResult(long numRows, long elapsedTime, PerformanceEvaluation.RunResult results[]) {<a name="line.142"></a>
-<span class="sourceLineNo">143</span>      this.numRows = numRows;<a name="line.143"></a>
-<span class="sourceLineNo">144</span>      this.elapsedTime = elapsedTime;<a name="line.144"></a>
-<span class="sourceLineNo">145</span>      this.results = results;<a name="line.145"></a>
-<span class="sourceLineNo">146</span>    }<a name="line.146"></a>
-<span class="sourceLineNo">147</span><a name="line.147"></a>
-<span class="sourceLineNo">148</span>    @Override<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    public String toString() {<a name="line.149"></a>
-<span class="sourceLineNo">150</span>      return Objects.toStringHelper(this)<a name="line.150"></a>
-<span class="sourceLineNo">151</span>        .add("numRows", numRows)<a name="line.151"></a>
-<span class="sourceLineNo">152</span>        .add("elapsedTime", elapsedTime)<a name="line.152"></a>
-<span class="sourceLineNo">153</span>        .toString();<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>  @Override<a name="line.157"></a>
-<span class="sourceLineNo">158</span>  public void setUp() throws Exception {<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    super.setUp();<a name="line.159"></a>
-<span class="sourceLineNo">160</span>    Configuration conf = util.getConfiguration();<a name="line.160"></a>
-<span class="sourceLineNo">161</span><a name="line.161"></a>
-<span class="sourceLineNo">162</span>    // sanity check cluster<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    // TODO: this should reach out to master and verify online state instead<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    assertEquals("Master must be configured with StochasticLoadBalancer",<a name="line.164"></a>
-<span class="sourceLineNo">165</span>      "org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer",<a name="line.165"></a>
-<span class="sourceLineNo">166</span>      conf.get("hbase.master.loadbalancer.class"));<a name="line.166"></a>
-<span class="sourceLineNo">167</span>    // TODO: this should reach out to master and verify online state instead<a name="line.167"></a>
-<span class="sourceLineNo">168</span>    assertTrue("hbase.regionserver.storefile.refresh.period must be greater than zero.",<a name="line.168"></a>
-<span class="sourceLineNo">169</span>      conf.getLong("hbase.regionserver.storefile.refresh.period", 0) &gt; 0);<a name="line.169"></a>
-<span class="sourceLineNo">170</span><a name="line.170"></a>
-<span class="sourceLineNo">171</span>    // enable client-side settings<a name="line.171"></a>
-<span class="sourceLineNo">172</span>    conf.setBoolean(RpcClient.SPECIFIC_WRITE_THREAD, true);<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    // TODO: expose these settings to CLI override<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    conf.setLong("hbase.client.primaryCallTimeout.get", primaryTimeout);<a name="line.174"></a>
-<span class="sourceLineNo">175</span>    conf.setLong("hbase.client.primaryCallTimeout.multiget", primaryTimeout);<a name="line.175"></a>
-<span class="sourceLineNo">176</span>  }<a name="line.176"></a>
-<span class="sourceLineNo">177</span><a name="line.177"></a>
-<span class="sourceLineNo">178</span>  @Override<a name="line.178"></a>
-<span class="sourceLineNo">179</span>  public void setUpCluster() throws Exception {<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    util = getTestingUtil(getConf());<a name="line.180"></a>
-<span class="sourceLineNo">181</span>    util.initializeCluster(clusterSize);<a name="line.181"></a>
-<span class="sourceLineNo">182</span>  }<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span>  @Override<a name="line.184"></a>
-<span class="sourceLineNo">185</span>  public void setUpMonkey() throws Exception {<a name="line.185"></a>
-<span class="sourceLineNo">186</span>    Policy p = new PeriodicRandomActionPolicy(sleepTime,<a name="line.186"></a>
-<span class="sourceLineNo">187</span>      new RestartRandomRsExceptMetaAction(sleepTime),<a name="line.187"></a>
-<span class="sourceLineNo">188</span>      new MoveRandomRegionOfTableAction(tableName));<a name="line.188"></a>
-<span class="sourceLineNo">189</span>    this.monkey = new PolicyBasedChaosMonkey(util, p);<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    // don't start monkey right away<a name="line.190"></a>
-<span class="sourceLineNo">191</span>  }<a name="line.191"></a>
-<span class="sourceLineNo">192</span><a name="line.192"></a>
-<span class="sourceLineNo">193</span>  @Override<a name="line.193"></a>
-<span class="sourceLineNo">194</span>  protected void addOptions() {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>    addOptWithArg(TABLE_NAME_KEY, "Alternate table name. Default: '"<a name="line.195"></a>
-<span class="sourceLineNo">196</span>      + TABLE_NAME_DEFAULT + "'");<a name="line.196"></a>
-<span class="sourceLineNo">197</span>    addOptWithArg(SLEEP_TIME_KEY, "How long the monkey sleeps between actions. Default: "<a name="line.197"></a>
-<span class="sourceLineNo">198</span>      + SLEEP_TIME_DEFAULT);<a name="line.198"></a>
-<span class="sourceLineNo">199</span>    addOptWithArg(REPLICA_COUNT_KEY, "Number of region replicas. Default: "<a name="line.199"></a>
-<span class="sourceLineNo">200</span>      + REPLICA_COUNT_DEFAULT);<a name="line.200"></a>
-<span class="sourceLineNo">201</span>    addOptWithArg(PRIMARY_TIMEOUT_KEY, "Overrides hbase.client.primaryCallTimeout. Default: "<a name="line.201"></a>
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+<span class="sourceLineNo">151</span>    public String toString() {<a name="line.151"></a>
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+<span class="sourceLineNo">153</span>        .add("numRows", numRows)<a name="line.153"></a>
+<span class="sourceLineNo">154</span>        .add("elapsedTime", elapsedTime)<a name="line.154"></a>
+<span class="sourceLineNo">155</span>        .toString();<a name="line.155"></a>
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+<span class="sourceLineNo">158</span><a name="line.158"></a>
+<span class="sourceLineNo">159</span>  @Override<a name="line.159"></a>
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+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span>    // sanity check cluster<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    // TODO: this should reach out to master and verify online state instead<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    assertEquals("Master must be configured with StochasticLoadBalancer",<a name="line.166"></a>
+<span class="sourceLineNo">167</span>      "org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer",<a name="line.167"></a>
+<span class="sourceLineNo">168</span>      conf.get("hbase.master.loadbalancer.class"));<a name="line.168"></a>
+<span class="sourceLineNo">169</span>    // TODO: this should reach out to master and verify online state instead<a name="line.169"></a>
+<span class="sourceLineNo">170</span>    assertTrue("hbase.regionserver.storefile.refresh.period must be greater than zero.",<a name="line.170"></a>
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+<span class="sourceLineNo">172</span><a name="line.172"></a>
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+<span class="sourceLineNo">179</span><a name="line.179"></a>
+<span class="sourceLineNo">180</span>  @Override<a name="line.180"></a>
+<span class="sourceLineNo">181</span>  public void setUpCluster() throws Exception {<a name="line.181"></a>
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+<span class="sourceLineNo">183</span>    util.initializeCluster(clusterSize);<a name="line.183"></a>
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+<span class="sourceLineNo">185</span><a name="line.185"></a>
+<span class="sourceLineNo">186</span>  @Override<a name="line.186"></a>
+<span class="sourceLineNo">187</span>  public void setUpMonkey() throws Exception {<a name="line.187"></a>
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+<span class="sourceLineNo">189</span>      new RestartRandomRsExceptMetaAction(sleepTime),<a name="line.189"></a>
+<span class="sourceLineNo">190</span>      new MoveRandomRegionOfTableAction(tableName));<a name="line.190"></a>
+<span class="sourceLineNo">191</span>    this.monkey = new PolicyBasedChaosMonkey(util, p);<a name="line.191"></a>
+<span class="sourceLineNo">192</span>    // don't start monkey right away<a name="line.192"></a>
+<span class="sourceLineNo">193</span>  }<a name="line.193"></a>
+<span class="sourceLineNo">194</span><a name="line.194"></a>
+<span class="sourceLineNo">195</span>  @Override<a name="line.195"></a>
+<span class="sourceLineNo">196</span>  protected void addOptions() {<a name="line.196"></a>
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+<span class="sourceLineNo">198</span>      + TABLE_NAME_DEFAULT + "'");<a name="line.198"></a>
+<span class="sourceLineNo">199</span>    addOptWithArg(SLEEP_TIME_KEY, "How long the monkey sleeps between actions. Default: "<a name="line.199"></a>
+<span class="sourceLineNo">200</span>      + SLEEP_TIME_DEFAULT);<a name="line.200"></a>
+<span class="sourceLineNo">201</span>    addOptWithArg(REPLICA_COUNT_KEY, "Number of region replicas. Default: "<a name="line.201"></a>
+<span class="sourceLineNo">202</span>      + REPLICA_COUNT_DEFAULT);<a name="line.202"></a>
+<span class="sourceLineNo">203</span>    addOptWithArg(PRIMARY_TIMEOUT_KEY, "Overrides hbase.client.primaryCallTimeout. Default: "<a name="line.203"></a>
+<span class="sourceLineNo">204</span>      + PRIMARY_TIMEOUT_DEFAULT + " (10ms)");<a name="line.204"></a>
+<span class="sourceLineNo">205</span>    addOptWithArg(NUM_RS_KEY, "Specify the number of RegionServers to use. Default: "<a name="line.205"></a>
+<span class="sourceLineNo">206</span>        + NUM_RS_DEFAULT);<a name="line.206"></a>
+<span class="sourceLineNo">207</span>  }<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span>  @Override<a name="line.209"></a>
+<span class="sourceLineNo">210</span>  protected void processOptions(CommandLine cmd) {<a name="line.210"></a>
+<span class="sourceLineNo">211</span>    tableName = TableName.valueOf(cmd.getOptionValue(TABLE_NAME_KEY, TABLE_NAME_DEFAULT));<a name="line.211"></a>
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+<span class="sourceLineNo">214</span>    primaryTimeout =<a name="line.214"></a>
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+<span class="sourceLineNo">216</span>    clusterSize = Integer.parseInt(cmd.getOptionValue(NUM_RS_KEY, NUM_RS_DEFAULT));<a name="line.216"></a>
+<span class="sourceLineNo">217</span>    LOG.debug(Objects.toStringHelper("Parsed Options")<a name="line.217"></a>
+<span class="sourceLineNo">218</span>      .add(TABLE_NAME_KEY, tableName)<a name="line.218"></a>
+<span class="sourceLineNo">219</span>      .add(SLEEP_TIME_KEY, sleepTime)<a name="line.219"></a>
+<span class="sourceLineNo">220</span>      .add(REPLICA_COUNT_KEY, replicaCount)<a name="line.220"></a>
+<span class="sourceLineNo">221</span>      .add(PRIMARY_TIMEOUT_KEY, primaryTimeout)<a name="line.221"></a>
+<span class="sourceLineNo">222</span>      .add(NUM_RS_KEY, clusterSize)<a name="line.222"></a>
+<span class="sourceLineNo">223</span>      .toString());<a name="line.223"></a>
+<span class="sourceLineNo">224</span>  }<a name="line.224"></a>
+<span class="sourceLineNo">225</span><a name="line.225"></a>
+<span class="sourceLineNo">226</span>  @Override<a name="line.226"></a>
+<span class="sourceLineNo">227</span>  public int runTestFromCommandLine() throws Exception {<a name="line.227"></a>
+<span class="sourceLineNo">228</span>    test();<a name="line.228"></a>
+<span class="sourceLineNo">229</span>    return 0;<a name="line.229"></a>
+<span class="sourceLineNo">230</span>  }<a name="line.230"></a>
+<span class="sourceLineNo">231</span><a name="line.231"></a>
+<span class="sourceLineNo">232</span>  @Override<a name="line.232"></a>
+<span class="sourceLineNo">233</span>  public TableName getTablename() {<a name="line.233"></a>
+<span class="sourceLineNo">234</span>    return tableName;<a name="line.234"></a>
+<span class="sourceLineNo">235</span>  }<a name="line.235"></a>
+<span class="sourceLineNo">236</span><a name="line.236"></a>
+<span class="sourceLineNo">237</span>  @Override<a name="line.237"></a>
+<span class="sourceLineNo">238</span>  protected Set&lt;String&gt; getColumnFamilies() {<a name="line.238"></a>
+<span class="sourceLineNo">239</span>    return Sets.newHashSet(Bytes.toString(PerformanceEvaluation.FAMILY_NAME));<a name="line.239"></a>
+<span class="sourceLineNo">240</span>  }<a name="line.240"></a>
+<span class="sourceLineNo">241</span><a name="line.241"></a>
+<span class="sourceLineNo">242</span>  /** Compute the mean of the given {@code stat} from a timing results. */<a name="line.242"></a>
+<span class="sourceLineNo">243</span>  private static double calcMean(String desc, Stat stat, List&lt;TimingResult&gt; results) {<a name="line.243"></a>
+<span class="sourceLineNo">244</span>    double sum = 0;<a name="line.244"></a>
+<span class="sourceLineNo">245</span>    int count = 0;<a name="line.245"></a>
+<span class="sourceLineNo">246</span><a name="line.246"></a>
+<span class="sourceLineNo">247</span>    for (TimingResult tr : results) {<a name="line.247"></a>
+<span class="sourceLineNo">248</span>      for (PerformanceEvaluation.RunResult r : tr.results) {<a name="line.248"></a>
+<span class="sourceLineNo">249</span>        assertNotNull("One of the run results is missing detailed run data.", r.hist);<a name="line.249"></a>
+<span class="sourceLineNo">250</span>        sum += stat.apply(r.hist);<a name="line.250"></a>
+<span class="sourceLineNo">251</span>        count += 1;<a name="line.251"></a>
+<span class="sourceLineNo">252</span>        LOG.debug(desc + "{" + YammerHistogramUtils.getHistogramReport(r.hist) + "}");<a name="line.252"></a>
+<span class="sourceLineNo">253</span>      }<a name="line.253"></a>
+<span class="sourceLineNo">254</span>    }<a name="line.254"></a>
+<span class="sourceLineNo">255</span>    return sum / count;<a name="line.255"></a>
+<span class="sourceLineNo">256</span>  }<a name="line.256"></a>
+<span class="sourceLineNo">257</span><a name="line.257"></a>
+<span class="sourceLineNo">258</span>  public void test() throws Exception {<a name="line.258"></a>
+<span class="sourceLineNo">259</span>    int maxIters = 3;<a name="line.259"></a>
+<span class="sourceLineNo">260</span>    String replicas = "--replicas=" + replicaCount;<a name="line.260"></a>
+<span class="sourceLineNo">261</span>    // TODO: splits disabled until "phase 2" is complete.<a name="line.261"></a>
+<span class="sourceLineNo">262</span>    String splitPolicy = "--splitPolicy=" + DisabledRegionSplitPolicy.class.getName();<a name="line.262"></a>
+<span class="sourceLineNo">263</span>    String writeOpts = format("%s --nomapred --table=%s --presplit=16 sequentialWrite 4",<a name="line.263"></a>
+<span class="sourceLineNo">264</span>      splitPolicy, tableName);<a name="line.264"></a>
+<span class="sourceLineNo">265</span>    String readOpts =<a name="line.265"></a>
+<span class="sourceLineNo">266</span>      format("--nomapred --table=%s --latency --sampleRate=0.1 randomRead 4", tableName);<a name="line.266"></a>
+<span class="sourceLineNo">267</span>    String replicaReadOpts = format("%s %s", replicas, readOpts);<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span>    ArrayList&lt;TimingResult&gt; resultsWithoutReplicas = new ArrayList&lt;TimingResult&gt;(maxIters);<a name="line.269"></a>
+<span class="sourceLineNo">270</span>    ArrayList&lt;TimingResult&gt; resultsWithReplicas = new ArrayList&lt;TimingResult&gt;(maxIters);<a name="line.270"></a>
+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span>    // create/populate the table, replicas disabled<a name="line.272"></a>
+<span class="sourceLineNo">273</span>    LOG.debug("Populating table.");<a name="line.273"></a>
+<span class="sourceLineNo">274</span>    new PerfEvalCallable(util.getHBaseAdmin(), writeOpts).call();<a name="line.274"></a>
+<span class="sourceLineNo">275</span><a name="line.275"></a>
+<span class="sourceLineNo">276</span>    // one last sanity check, then send in the clowns!<a name="line.276"></a>
+<span class="sourceLineNo">277</span>    assertEquals("Table must be created with DisabledRegionSplitPolicy. Broken test.",<a name="line.277"></a>
+<span class="sourceLineNo">278</span>        DisabledRegionSplitPolicy.class.getName(),<a name="line.278"></a>
+<span class="sourceLineNo">279</span>        util.getHBaseAdmin().getTableDescriptor(tableName).getRegionSplitPolicyClassName());<a name="line.279"></a>
+<span class="sourceLineNo">280</span>    startMonkey();<a name="line.280"></a>
+<span class="sourceLineNo">281</span><a name="line.281"></a>
+<span class="sourceLineNo">282</span>    // collect a baseline without region replicas.<a name="line.282"></a>
+<span class="sourceLineNo">283</span>    for (int i = 0; i &lt; maxIters; i++) {<a name="line.283"></a>
+<span class="sourceLineNo">284</span>      LOG.debug("Launching non-replica job " + (i + 1) + "/" + maxIters);<a name="line.284"></a>
+<span class="sourceLineNo">285</span>      resultsWithoutReplicas.add(new PerfEvalCallable(util.getHBaseAdmin(), readOpts).call());<a name="line.285"></a>
+<span class="sourceLineNo">286</span>      // TODO: sleep to let cluster stabilize, though monkey continues. is it necessary?<a name="line.286"></a>
+<span class="sourceLineNo">287</span>      Thread.sleep(5000l);<a name="line.287"></a>
+<span class="sourceLineNo">288</span>    }<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span>    // disable monkey, enable region replicas, enable monkey<a name="line.290"></a>
+<span class="sourceLineNo">291</span>    cleanUpMonkey("Altering table.");<a name="line.291"></a>
+<span class="sourceLineNo">292</span>    LOG.debug("Altering " + tableName + " replica count to " + replicaCount);<a name="line.292"></a>
+<span class="sourceLineNo">293</span>    IntegrationTestingUtility.setReplicas(util.getHBaseAdmin(), tableName, replicaCount);<a name="line.293"></a>
+<span class="sourceLineNo">294</span>    setUpMonkey();<a name="line.294"></a>
+<span class="sourceLineNo">295</span>    startMonkey();<a name="line.295"></a>
+<span class="sourceLineNo">296</span><a name="line.296"></a>
+<span class="sourceLineNo">297</span>    // run test with region replicas.<a name="line.297"></a>
+<span class="sourceLineNo">298</span>    for (int i = 0; i &lt; maxIters; i++) {<a name="line.298"></a>
+<span class="sourceLineNo">299</span>      LOG.debug("Launching replica job " + (i + 1) + "/" + maxIters);<a name="line.299"></a>
+<span class="sourceLineNo">300</span>      resultsWithReplicas.add(new PerfEvalCallable(util.getHBaseAdmin(), replicaReadOpts).call());<a name="line.300"></a>
+<span class="sourceLineNo">301</span>      // TODO: sleep to let cluster stabilize, though monkey continues. is it necessary?<a name="line.301"></a>
+<span class="sourceLineNo">302</span>      Thread.sleep(5000l);<a name="line.302"></a>
+<span class="sourceLineNo">303</span>    }<a name="line.303"></a>
+<span class="sourceLineNo">304</span><a name="line.304"></a>
+<span class="sourceLineNo">305</span>    // compare the average of the stdev and 99.99pct across runs to determine if region replicas<a name="line.305"></a>
+<span class="sourceLineNo">306</span>    // are having an overall improvement on response variance experienced by clients.<a name="line.306"></a>
+<span class="sourceLineNo">307</span>    double withoutReplicasStdevMean =<a name="line.307"></a>
+<span class="sourceLineNo">308</span>        calcMean("withoutReplicas", Stat.STDEV, resultsWithoutReplicas);<a name="line.308"></a>
+<span class="sourceLineNo">309</span>    double withoutReplicas9999Mean =<a name="line.309"></a>
+<span class="sourceLineNo">310</span>        calcMean("withoutReplicas", Stat.FOUR_9S, resultsWithoutReplicas);<a name="line.310"></a>
+<span class="sourceLineNo">311</span>    double withReplicasStdevMean =<a name="line.311"></a>
+<span class="sourceLineNo">312</span>        calcMean("withReplicas", Stat.STDEV, resultsWithReplicas);<a name="line.312"></a>
+<span class="sourceLineNo">313</span>    double withReplicas9999Mean =<a name="line.313"></a>
+<span class="sourceLineNo">314</span>        calcMean("withReplicas", Stat.FOUR_9S, resultsWithReplicas);<a name="line.314"></a>
+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span>    LOG.info(Objects.toStringHelper(this)<a name="line.316"></a>
+<span class="sourceLineNo">317</span>      .add("withoutReplicas", resultsWithoutReplicas)<a name="line.317"></a>
+<span class="sourceLineNo">318</span>      .add("withReplicas", resultsWithReplicas)<a name="line.318"></a>
+<span class="sourceLineNo">319</span>      .add("withoutReplicasStdevMean", withoutReplicasStdevMean)<a name="line.319"></a>
+<span class="sourceLineNo">320</span>      .add("withoutReplicas99.99Mean", withoutReplicas9999Mean)<a name="line.320"></a>
+<span class="sourceLineNo">321</span>      .add("withReplicasStdevMean", withReplicasStdevMean)<a name="line.321"></a>
+<span class="sourceLineNo">322</span>      .add("withReplicas99.99Mean", withReplicas9999Mean)<a name="line.322"></a>
+<span class="sourceLineNo">323</span>      .toString());<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span>    assertTrue(<a name="line.325"></a>
+<span class="sourceLineNo">326</span>      "Running with region replicas under chaos should have less request variance than without. "<a name="line.326"></a>
+<span class="sourceLineNo">327</span>      + "withReplicas.stdev.mean: " + withReplicasStdevMean + "ms "<a name="line.327"></a>
+<span class="sourceLineNo">328</span>      + "withoutReplicas.stdev.mean: " + withoutReplicasStdevMean + "ms.",<a name="line.328"></a>
+<span class="sourceLineNo">329</span>      withReplicasStdevMean &lt;= withoutReplicasStdevMean);<a name="line.329"></a>
+<span class="sourceLineNo">330</span>    assertTrue(<a name="line.330"></a>
+<span class="sourceLineNo">331</span>        "Running with region replicas under chaos should improve 99.99pct latency. "<a name="line.331"></a>
+<span class="sourceLineNo">332</span>            + "withReplicas.99.99.mean: " + withReplicas9999Mean + "ms "<a name="line.332"></a>
+<span class="sourceLineNo">333</span>            + "withoutReplicas.99.99.mean: " + withoutReplicas9999Mean + "ms.",<a name="line.333"></a>
+<span class="sourceLineNo">334</span>        withReplicas9999Mean &lt;= withoutReplicas9999Mean);<a name="line.334"></a>
+<span class="sourceLineNo">335</span>  }<a name="line.335"></a>
+<span class="sourceLineNo">336</span><a name="line.336"></a>
+<span class="sourceLineNo">337</span>  public static void main(String[] args) throws Exception {<a name="line.337"></a>
+<span class="sourceLineNo">338</span>    Configuration conf = HBaseConfiguration.create();<a name="line.338"></a>
+<span class="sourceLineNo">339</span>    IntegrationTestingUtility.setUseDistributedCluster(conf);<a name="line.339"></a>
+<span class="sourceLineNo">340</span>    int status = ToolRunner.run(conf, new IntegrationTestRegionReplicaPerf(), args);<a name="line.340"></a>
+<span class="sourceLineNo">341</span>    System.exit(status);<a name="line.341"></a>
+<span class="sourceLineNo">342</span>  }<a name="line.342"></a>
+<span class="sourceLineNo">343</span>}<a name="line.343"></a>
 
 
 


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