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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/02/01 15:14:06 UTC

[08/16] hbase-site git commit: Published site at .

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/devapidocs/src-html/org/apache/hadoop/hbase/util/compaction/MajorCompactor.Compact.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * See the License for the specific language governing permissions and<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * limitations under the License.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> */<a name="line.15"></a>
+<span class="sourceLineNo">016</span><a name="line.16"></a>
+<span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.util.compaction;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import java.io.IOException;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.util.Arrays;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.Optional;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Set;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.concurrent.ExecutorService;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.concurrent.Executors;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.concurrent.Future;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.concurrent.TimeUnit;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.cli.CommandLine;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.cli.CommandLineParser;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.commons.cli.DefaultParser;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.commons.cli.HelpFormatter;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.commons.cli.Option;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.commons.cli.Options;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.commons.cli.ParseException;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HConstants;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.NotServingRegionException;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.ServerName;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableName;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.CompactionState;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hbase.thirdparty.com.google.common.base.Joiner;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.com.google.common.base.Splitter;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a name="line.59"></a>
+<span class="sourceLineNo">060</span>public class MajorCompactor {<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>  private static final Logger LOG = LoggerFactory.getLogger(MajorCompactor.class);<a name="line.62"></a>
+<span class="sourceLineNo">063</span>  private static final Set&lt;MajorCompactionRequest&gt; ERRORS = ConcurrentHashMap.newKeySet();<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span>  private final ClusterCompactionQueues clusterCompactionQueues;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>  private final long timestamp;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>  private final Set&lt;String&gt; storesToCompact;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  private final ExecutorService executor;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>  private final long sleepForMs;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>  private final Connection connection;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  private final TableName tableName;<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span>  public MajorCompactor(Configuration conf, TableName tableName, Set&lt;String&gt; storesToCompact,<a name="line.73"></a>
+<span class="sourceLineNo">074</span>      int concurrency, long timestamp, long sleepForMs) throws IOException {<a name="line.74"></a>
+<span class="sourceLineNo">075</span>    this.connection = ConnectionFactory.createConnection(conf);<a name="line.75"></a>
+<span class="sourceLineNo">076</span>    this.tableName = tableName;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    this.timestamp = timestamp;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    this.storesToCompact = storesToCompact;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    this.executor = Executors.newFixedThreadPool(concurrency);<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    this.clusterCompactionQueues = new ClusterCompactionQueues(concurrency);<a name="line.80"></a>
+<span class="sourceLineNo">081</span>    this.sleepForMs = sleepForMs;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>  }<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>  public void compactAllRegions() throws Exception {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>    List&lt;Future&lt;?&gt;&gt; futures = Lists.newArrayList();<a name="line.85"></a>
+<span class="sourceLineNo">086</span>    while (clusterCompactionQueues.hasWorkItems() || !futuresComplete(futures)) {<a name="line.86"></a>
+<span class="sourceLineNo">087</span>      while (clusterCompactionQueues.atCapacity()) {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>        LOG.debug("Waiting for servers to complete Compactions");<a name="line.88"></a>
+<span class="sourceLineNo">089</span>        Thread.sleep(sleepForMs);<a name="line.89"></a>
+<span class="sourceLineNo">090</span>      }<a name="line.90"></a>
+<span class="sourceLineNo">091</span>      Optional&lt;ServerName&gt; serverToProcess =<a name="line.91"></a>
+<span class="sourceLineNo">092</span>          clusterCompactionQueues.getLargestQueueFromServersNotCompacting();<a name="line.92"></a>
+<span class="sourceLineNo">093</span>      if (serverToProcess.isPresent() &amp;&amp; clusterCompactionQueues.hasWorkItems()) {<a name="line.93"></a>
+<span class="sourceLineNo">094</span>        ServerName serverName = serverToProcess.get();<a name="line.94"></a>
+<span class="sourceLineNo">095</span>        // check to see if the region has moved... if so we have to enqueue it again with<a name="line.95"></a>
+<span class="sourceLineNo">096</span>        // the proper serverName<a name="line.96"></a>
+<span class="sourceLineNo">097</span>        MajorCompactionRequest request = clusterCompactionQueues.reserveForCompaction(serverName);<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>        ServerName currentServer = connection.getRegionLocator(tableName)<a name="line.99"></a>
+<span class="sourceLineNo">100</span>            .getRegionLocation(request.getRegion().getStartKey()).getServerName();<a name="line.100"></a>
+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span>        if (!currentServer.equals(serverName)) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span>          // add it back to the queue with the correct server it should be picked up in the future.<a name="line.103"></a>
+<span class="sourceLineNo">104</span>          LOG.info("Server changed for region: " + request.getRegion().getEncodedName() + " from: "<a name="line.104"></a>
+<span class="sourceLineNo">105</span>              + serverName + " to: " + currentServer + " re-queuing request");<a name="line.105"></a>
+<span class="sourceLineNo">106</span>          clusterCompactionQueues.addToCompactionQueue(currentServer, request);<a name="line.106"></a>
+<span class="sourceLineNo">107</span>          clusterCompactionQueues.releaseCompaction(serverName);<a name="line.107"></a>
+<span class="sourceLineNo">108</span>        } else {<a name="line.108"></a>
+<span class="sourceLineNo">109</span>          LOG.info("Firing off compaction request for server: " + serverName + ", " + request<a name="line.109"></a>
+<span class="sourceLineNo">110</span>              + " total queue size left: " + clusterCompactionQueues<a name="line.110"></a>
+<span class="sourceLineNo">111</span>              .getCompactionRequestsLeftToFinish());<a name="line.111"></a>
+<span class="sourceLineNo">112</span>          futures.add(executor.submit(new Compact(serverName, request)));<a name="line.112"></a>
+<span class="sourceLineNo">113</span>        }<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      } else {<a name="line.114"></a>
+<span class="sourceLineNo">115</span>        // haven't assigned anything so we sleep.<a name="line.115"></a>
+<span class="sourceLineNo">116</span>        Thread.sleep(sleepForMs);<a name="line.116"></a>
+<span class="sourceLineNo">117</span>      }<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    }<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    LOG.info("All compactions have completed");<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  }<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span>  private boolean futuresComplete(List&lt;Future&lt;?&gt;&gt; futures) {<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    futures.removeIf(Future::isDone);<a name="line.123"></a>
+<span class="sourceLineNo">124</span>    return futures.isEmpty();<a name="line.124"></a>
+<span class="sourceLineNo">125</span>  }<a name="line.125"></a>
+<span class="sourceLineNo">126</span><a name="line.126"></a>
+<span class="sourceLineNo">127</span>  public void shutdown() throws Exception {<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    executor.shutdown();<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    executor.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    if (!ERRORS.isEmpty()) {<a name="line.130"></a>
+<span class="sourceLineNo">131</span>      StringBuilder builder =<a name="line.131"></a>
+<span class="sourceLineNo">132</span>          new StringBuilder().append("Major compaction failed, there were: ").append(ERRORS.size())<a name="line.132"></a>
+<span class="sourceLineNo">133</span>              .append(" regions / stores that failed compacting\n")<a name="line.133"></a>
+<span class="sourceLineNo">134</span>              .append("Failed compaction requests\n").append("--------------------------\n")<a name="line.134"></a>
+<span class="sourceLineNo">135</span>              .append(Joiner.on("\n").join(ERRORS));<a name="line.135"></a>
+<span class="sourceLineNo">136</span>      LOG.error(builder.toString());<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    }<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    if (connection != null) {<a name="line.138"></a>
+<span class="sourceLineNo">139</span>      connection.close();<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    }<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    LOG.info("All regions major compacted successfully");<a name="line.141"></a>
+<span class="sourceLineNo">142</span>  }<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span>  @VisibleForTesting void initializeWorkQueues() throws IOException {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    if (storesToCompact.isEmpty()) {<a name="line.145"></a>
+<span class="sourceLineNo">146</span>      connection.getTable(tableName).getDescriptor().getColumnFamilyNames()<a name="line.146"></a>
+<span class="sourceLineNo">147</span>          .forEach(a -&gt; storesToCompact.add(Bytes.toString(a)));<a name="line.147"></a>
+<span class="sourceLineNo">148</span>      LOG.info("No family specified, will execute for all families");<a name="line.148"></a>
+<span class="sourceLineNo">149</span>    }<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    LOG.info(<a name="line.150"></a>
+<span class="sourceLineNo">151</span>        "Initializing compaction queues for table:  " + tableName + " with cf: " + storesToCompact);<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    List&lt;HRegionLocation&gt; regionLocations =<a name="line.152"></a>
+<span class="sourceLineNo">153</span>        connection.getRegionLocator(tableName).getAllRegionLocations();<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    for (HRegionLocation location : regionLocations) {<a name="line.154"></a>
+<span class="sourceLineNo">155</span>      Optional&lt;MajorCompactionRequest&gt; request = MajorCompactionRequest<a name="line.155"></a>
+<span class="sourceLineNo">156</span>          .newRequest(connection.getConfiguration(), location.getRegion(), storesToCompact,<a name="line.156"></a>
+<span class="sourceLineNo">157</span>              timestamp);<a name="line.157"></a>
+<span class="sourceLineNo">158</span>      request.ifPresent(majorCompactionRequest -&gt; clusterCompactionQueues<a name="line.158"></a>
+<span class="sourceLineNo">159</span>          .addToCompactionQueue(location.getServerName(), majorCompactionRequest));<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    }<a name="line.160"></a>
+<span class="sourceLineNo">161</span>  }<a name="line.161"></a>
+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span>  class Compact implements Runnable {<a name="line.163"></a>
+<span class="sourceLineNo">164</span><a name="line.164"></a>
+<span class="sourceLineNo">165</span>    private final ServerName serverName;<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    private final MajorCompactionRequest request;<a name="line.166"></a>
+<span class="sourceLineNo">167</span><a name="line.167"></a>
+<span class="sourceLineNo">168</span>    Compact(ServerName serverName, MajorCompactionRequest request) {<a name="line.168"></a>
+<span class="sourceLineNo">169</span>      this.serverName = serverName;<a name="line.169"></a>
+<span class="sourceLineNo">170</span>      this.request = request;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>    }<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span>    @Override public void run() {<a name="line.173"></a>
+<span class="sourceLineNo">174</span>      try {<a name="line.174"></a>
+<span class="sourceLineNo">175</span>        compactAndWait(request);<a name="line.175"></a>
+<span class="sourceLineNo">176</span>      } catch (NotServingRegionException e) {<a name="line.176"></a>
+<span class="sourceLineNo">177</span>        // this region has split or merged<a name="line.177"></a>
+<span class="sourceLineNo">178</span>        LOG.warn("Region is invalid, requesting updated regions", e);<a name="line.178"></a>
+<span class="sourceLineNo">179</span>        // lets updated the cluster compaction queues with these newly created regions.<a name="line.179"></a>
+<span class="sourceLineNo">180</span>        addNewRegions();<a name="line.180"></a>
+<span class="sourceLineNo">181</span>      } catch (Exception e) {<a name="line.181"></a>
+<span class="sourceLineNo">182</span>        LOG.warn("Error compacting:", e);<a name="line.182"></a>
+<span class="sourceLineNo">183</span>      } finally {<a name="line.183"></a>
+<span class="sourceLineNo">184</span>        clusterCompactionQueues.releaseCompaction(serverName);<a name="line.184"></a>
+<span class="sourceLineNo">185</span>      }<a name="line.185"></a>
+<span class="sourceLineNo">186</span>    }<a name="line.186"></a>
+<span class="sourceLineNo">187</span><a name="line.187"></a>
+<span class="sourceLineNo">188</span>    void compactAndWait(MajorCompactionRequest request) throws Exception {<a name="line.188"></a>
+<span class="sourceLineNo">189</span>      Admin admin = connection.getAdmin();<a name="line.189"></a>
+<span class="sourceLineNo">190</span>      try {<a name="line.190"></a>
+<span class="sourceLineNo">191</span>        // only make the request if the region is not already major compacting<a name="line.191"></a>
+<span class="sourceLineNo">192</span>        if (!isCompacting(request)) {<a name="line.192"></a>
+<span class="sourceLineNo">193</span>          Set&lt;String&gt; stores = request.getStoresRequiringCompaction(storesToCompact);<a name="line.193"></a>
+<span class="sourceLineNo">194</span>          if (!stores.isEmpty()) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span>            request.setStores(stores);<a name="line.195"></a>
+<span class="sourceLineNo">196</span>            for (String store : request.getStores()) {<a name="line.196"></a>
+<span class="sourceLineNo">197</span>              admin.majorCompactRegion(request.getRegion().getEncodedNameAsBytes(),<a name="line.197"></a>
+<span class="sourceLineNo">198</span>                  Bytes.toBytes(store));<a name="line.198"></a>
+<span class="sourceLineNo">199</span>            }<a name="line.199"></a>
+<span class="sourceLineNo">200</span>          }<a name="line.200"></a>
+<span class="sourceLineNo">201</span>        }<a name="line.201"></a>
+<span class="sourceLineNo">202</span>        while (isCompacting(request)) {<a name="line.202"></a>
+<span class="sourceLineNo">203</span>          Thread.sleep(sleepForMs);<a name="line.203"></a>
+<span class="sourceLineNo">204</span>          LOG.debug("Waiting for compaction to complete for region: " + request.getRegion()<a name="line.204"></a>
+<span class="sourceLineNo">205</span>              .getEncodedName());<a name="line.205"></a>
+<span class="sourceLineNo">206</span>        }<a name="line.206"></a>
+<span class="sourceLineNo">207</span>      } finally {<a name="line.207"></a>
+<span class="sourceLineNo">208</span>        // Make sure to wait for the CompactedFileDischarger chore to do its work<a name="line.208"></a>
+<span class="sourceLineNo">209</span>        int waitForArchive = connection.getConfiguration()<a name="line.209"></a>
+<span class="sourceLineNo">210</span>            .getInt("hbase.hfile.compaction.discharger.interval", 2 * 60 * 1000);<a name="line.210"></a>
+<span class="sourceLineNo">211</span>        Thread.sleep(waitForArchive);<a name="line.211"></a>
+<span class="sourceLineNo">212</span>        // check if compaction completed successfully, otherwise put that request back in the<a name="line.212"></a>
+<span class="sourceLineNo">213</span>        // proper queue<a name="line.213"></a>
+<span class="sourceLineNo">214</span>        Set&lt;String&gt; storesRequiringCompaction =<a name="line.214"></a>
+<span class="sourceLineNo">215</span>            request.getStoresRequiringCompaction(storesToCompact);<a name="line.215"></a>
+<span class="sourceLineNo">216</span>        if (!storesRequiringCompaction.isEmpty()) {<a name="line.216"></a>
+<span class="sourceLineNo">217</span>          // this happens, when a region server is marked as dead, flushes a store file and<a name="line.217"></a>
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+<span class="sourceLineNo">225</span>                + "being aware of all store files.  Will not reattempt compacting, " + request);<a name="line.225"></a>
+<span class="sourceLineNo">226</span>            ERRORS.add(request);<a name="line.226"></a>
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+<span class="sourceLineNo">229</span>            clusterCompactionQueues.addToCompactionQueue(serverName, request);<a name="line.229"></a>
+<span class="sourceLineNo">230</span>            LOG.info("Compaction failed for the following stores: " + storesRequiringCompaction<a name="line.230"></a>
+<span class="sourceLineNo">231</span>                + " region: " + request.getRegion().getEncodedName());<a name="line.231"></a>
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+<span class="sourceLineNo">233</span>        } else {<a name="line.233"></a>
+<span class="sourceLineNo">234</span>          LOG.info("Compaction complete for region: " + request.getRegion().getEncodedName()<a name="line.234"></a>
+<span class="sourceLineNo">235</span>              + " -&gt; cf(s): " + request.getStores());<a name="line.235"></a>
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+<span class="sourceLineNo">240</span><a name="line.240"></a>
+<span class="sourceLineNo">241</span>  private boolean isCompacting(MajorCompactionRequest request) throws Exception {<a name="line.241"></a>
+<span class="sourceLineNo">242</span>    CompactionState compactionState = connection.getAdmin()<a name="line.242"></a>
+<span class="sourceLineNo">243</span>        .getCompactionStateForRegion(request.getRegion().getEncodedNameAsBytes());<a name="line.243"></a>
+<span class="sourceLineNo">244</span>    return compactionState.equals(CompactionState.MAJOR) || compactionState<a name="line.244"></a>
+<span class="sourceLineNo">245</span>        .equals(CompactionState.MAJOR_AND_MINOR);<a name="line.245"></a>
+<span class="sourceLineNo">246</span>  }<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span>  private void addNewRegions() {<a name="line.248"></a>
+<span class="sourceLineNo">249</span>    try {<a name="line.249"></a>
+<span class="sourceLineNo">250</span>      List&lt;HRegionLocation&gt; locations =<a name="line.250"></a>
+<span class="sourceLineNo">251</span>          connection.getRegionLocator(tableName).getAllRegionLocations();<a name="line.251"></a>
+<span class="sourceLineNo">252</span>      for (HRegionLocation location : locations) {<a name="line.252"></a>
+<span class="sourceLineNo">253</span>        if (location.getRegion().getRegionId() &gt; timestamp) {<a name="line.253"></a>
+<span class="sourceLineNo">254</span>          Optional&lt;MajorCompactionRequest&gt; compactionRequest = MajorCompactionRequest<a name="line.254"></a>
+<span class="sourceLineNo">255</span>              .newRequest(connection.getConfiguration(), location.getRegion(), storesToCompact,<a name="line.255"></a>
+<span class="sourceLineNo">256</span>                  timestamp);<a name="line.256"></a>
+<span class="sourceLineNo">257</span>          compactionRequest.ifPresent(request -&gt; clusterCompactionQueues<a name="line.257"></a>
+<span class="sourceLineNo">258</span>              .addToCompactionQueue(location.getServerName(), request));<a name="line.258"></a>
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+<span class="sourceLineNo">260</span>      }<a name="line.260"></a>
+<span class="sourceLineNo">261</span>    } catch (IOException e) {<a name="line.261"></a>
+<span class="sourceLineNo">262</span>      throw new RuntimeException(e);<a name="line.262"></a>
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+<span class="sourceLineNo">264</span>  }<a name="line.264"></a>
+<span class="sourceLineNo">265</span><a name="line.265"></a>
+<span class="sourceLineNo">266</span>  public static void main(String[] args) throws Exception {<a name="line.266"></a>
+<span class="sourceLineNo">267</span>    Options options = new Options();<a name="line.267"></a>
+<span class="sourceLineNo">268</span>    options.addOption(<a name="line.268"></a>
+<span class="sourceLineNo">269</span>        Option.builder("table")<a name="line.269"></a>
+<span class="sourceLineNo">270</span>            .required()<a name="line.270"></a>
+<span class="sourceLineNo">271</span>            .desc("table name")<a name="line.271"></a>
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+<span class="sourceLineNo">273</span>            .build()<a name="line.273"></a>
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+<span class="sourceLineNo">275</span>    options.addOption(<a name="line.275"></a>
+<span class="sourceLineNo">276</span>        Option.builder("cf")<a name="line.276"></a>
+<span class="sourceLineNo">277</span>            .optionalArg(true)<a name="line.277"></a>
+<span class="sourceLineNo">278</span>            .desc("column families: comma separated eg: a,b,c")<a name="line.278"></a>
+<span class="sourceLineNo">279</span>            .hasArg()<a name="line.279"></a>
+<span class="sourceLineNo">280</span>            .build()<a name="line.280"></a>
+<span class="sourceLineNo">281</span>    );<a name="line.281"></a>
+<span class="sourceLineNo">282</span>    options.addOption(<a name="line.282"></a>
+<span class="sourceLineNo">283</span>        Option.builder("servers")<a name="line.283"></a>
+<span class="sourceLineNo">284</span>            .required()<a name="line.284"></a>
+<span class="sourceLineNo">285</span>            .desc("Concurrent servers compacting")<a name="line.285"></a>
+<span class="sourceLineNo">286</span>            .hasArg()<a name="line.286"></a>
+<span class="sourceLineNo">287</span>            .build()<a name="line.287"></a>
+<span class="sourceLineNo">288</span>    );<a name="line.288"></a>
+<span class="sourceLineNo">289</span>    options.addOption(<a name="line.289"></a>
+<span class="sourceLineNo">290</span>        Option.builder("minModTime").<a name="line.290"></a>
+<span class="sourceLineNo">291</span>            desc("Compact if store files have modification time &lt; minModTime")<a name="line.291"></a>
+<span class="sourceLineNo">292</span>            .hasArg()<a name="line.292"></a>
+<span class="sourceLineNo">293</span>            .build()<a name="line.293"></a>
+<span class="sourceLineNo">294</span>    );<a name="line.294"></a>
+<span class="sourceLineNo">295</span>    options.addOption(<a name="line.295"></a>
+<span class="sourceLineNo">296</span>        Option.builder("zk")<a name="line.296"></a>
+<span class="sourceLineNo">297</span>            .optionalArg(true)<a name="line.297"></a>
+<span class="sourceLineNo">298</span>            .desc("zk quorum")<a name="line.298"></a>
+<span class="sourceLineNo">299</span>            .hasArg()<a name="line.299"></a>
+<span class="sourceLineNo">300</span>            .build()<a name="line.300"></a>
+<span class="sourceLineNo">301</span>    );<a name="line.301"></a>
+<span class="sourceLineNo">302</span>    options.addOption(<a name="line.302"></a>
+<span class="sourceLineNo">303</span>        Option.builder("rootDir")<a name="line.303"></a>
+<span class="sourceLineNo">304</span>            .optionalArg(true)<a name="line.304"></a>
+<span class="sourceLineNo">305</span>            .desc("hbase.rootDir")<a name="line.305"></a>
+<span class="sourceLineNo">306</span>            .hasArg()<a name="line.306"></a>
+<span class="sourceLineNo">307</span>            .build()<a name="line.307"></a>
+<span class="sourceLineNo">308</span>    );<a name="line.308"></a>
+<span class="sourceLineNo">309</span>    options.addOption(<a name="line.309"></a>
+<span class="sourceLineNo">310</span>        Option.builder("sleep")<a name="line.310"></a>
+<span class="sourceLineNo">311</span>            .desc("Time to sleepForMs (ms) for checking compaction status per region and available "<a name="line.311"></a>
+<span class="sourceLineNo">312</span>                + "work queues: default 30s")<a name="line.312"></a>
+<span class="sourceLineNo">313</span>            .hasArg()<a name="line.313"></a>
+<span class="sourceLineNo">314</span>            .build()<a name="line.314"></a>
+<span class="sourceLineNo">315</span>    );<a name="line.315"></a>
+<span class="sourceLineNo">316</span>    options.addOption(<a name="line.316"></a>
+<span class="sourceLineNo">317</span>        Option.builder("retries")<a name="line.317"></a>
+<span class="sourceLineNo">318</span>        .desc("Max # of retries for a compaction request," + " defaults to 3")<a name="line.318"></a>
+<span class="sourceLineNo">319</span>            .hasArg()<a name="line.319"></a>
+<span class="sourceLineNo">320</span>            .build()<a name="line.320"></a>
+<span class="sourceLineNo">321</span>    );<a name="line.321"></a>
+<span class="sourceLineNo">322</span>    options.addOption(<a name="line.322"></a>
+<span class="sourceLineNo">323</span>        Option.builder("dryRun")<a name="line.323"></a>
+<span class="sourceLineNo">324</span>            .desc("Dry run, will just output a list of regions that require compaction based on "<a name="line.324"></a>
+<span class="sourceLineNo">325</span>            + "parameters passed")<a name="line.325"></a>
+<span class="sourceLineNo">326</span>            .hasArg(false)<a name="line.326"></a>
+<span class="sourceLineNo">327</span>            .build()<a name="line.327"></a>
+<span class="sourceLineNo">328</span>    );<a name="line.328"></a>
+<span class="sourceLineNo">329</span><a name="line.329"></a>
+<span class="sourceLineNo">330</span>    final CommandLineParser cmdLineParser = new DefaultParser();<a name="line.330"></a>
+<span class="sourceLineNo">331</span>    CommandLine commandLine = null;<a name="line.331"></a>
+<span class="sourceLineNo">332</span>    try {<a name="line.332"></a>
+<span class="sourceLineNo">333</span>      commandLine = cmdLineParser.parse(options, args);<a name="line.333"></a>
+<span class="sourceLineNo">334</span>    } catch (ParseException parseException) {<a name="line.334"></a>
+<span class="sourceLineNo">335</span>      System.out.println(<a name="line.335"></a>
+<span class="sourceLineNo">336</span>          "ERROR: Unable to parse command-line arguments " + Arrays.toString(args) + " due to: "<a name="line.336"></a>
+<span class="sourceLineNo">337</span>              + parseException);<a name="line.337"></a>
+<span class="sourceLineNo">338</span>      printUsage(options);<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span>    }<a name="line.340"></a>
+<span class="sourceLineNo">341</span>    String tableName = commandLine.getOptionValue("table");<a name="line.341"></a>
+<span class="sourceLineNo">342</span>    String cf = commandLine.getOptionValue("cf", null);<a name="line.342"></a>
+<span class="sourceLineNo">343</span>    Set&lt;String&gt; families = Sets.newHashSet();<a name="line.343"></a>
+<span class="sourceLineNo">344</span>    if (cf != null) {<a name="line.344"></a>
+<span class="sourceLineNo">345</span>      Iterables.addAll(families, Splitter.on(",").split(cf));<a name="line.345"></a>
+<span class="sourceLineNo">346</span>    }<a name="line.346"></a>
+<span class="sourceLineNo">347</span><a name="line.347"></a>
+<span class="sourceLineNo">348</span><a name="line.348"></a>
+<span class="sourceLineNo">349</span>    Configuration configuration = HBaseConfiguration.create();<a name="line.349"></a>
+<span class="sourceLineNo">350</span>    int concurrency = Integer.parseInt(commandLine.getOptionValue("servers"));<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    long minModTime = Long.parseLong(<a name="line.351"></a>
+<span class="sourceLineNo">352</span>        commandLine.getOptionValue("minModTime", String.valueOf(System.currentTimeMillis())));<a name="line.352"></a>
+<span class="sourceLineNo">353</span>    String quorum =<a name="line.353"></a>
+<span class="sourceLineNo">354</span>        commandLine.getOptionValue("zk", configuration.get(HConstants.ZOOKEEPER_QUORUM));<a name="line.354"></a>
+<span class="sourceLineNo">355</span>    String rootDir = commandLine.getOptionValue("rootDir", configuration.get(HConstants.HBASE_DIR));<a name="line.355"></a>
+<span class="sourceLineNo">356</span>    long sleep = Long.valueOf(commandLine.getOptionValue("sleep", Long.toString(30000)));<a name="line.356"></a>
+<span class="sourceLineNo">357</span><a name="line.357"></a>
+<span class="sourceLineNo">358</span>    configuration.set(HConstants.HBASE_DIR, rootDir);<a name="line.358"></a>
+<span class="sourceLineNo">359</span>    configuration.set(HConstants.ZOOKEEPER_QUORUM, quorum);<a name="line.359"></a>
+<span class="sourceLineNo">360</span><a name="line.360"></a>
+<span class="sourceLineNo">361</span>    MajorCompactor compactor =<a name="line.361"></a>
+<span class="sourceLineNo">362</span>        new MajorCompactor(configuration, TableName.valueOf(tableName), families, concurrency,<a name="line.362"></a>
+<span class="sourceLineNo">363</span>            minModTime, sleep);<a name="line.363"></a>
+<span class="sourceLineNo">364</span><a name="line.364"></a>
+<span class="sourceLineNo">365</span>    compactor.initializeWorkQueues();<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    if (!commandLine.hasOption("dryRun")) {<a name="line.366"></a>
+<span class="sourceLineNo">367</span>      compactor.compactAllRegions();<a name="line.367"></a>
+<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
+<span class="sourceLineNo">369</span>    compactor.shutdown();<a name="line.369"></a>
+<span class="sourceLineNo">370</span>  }<a name="line.370"></a>
+<span class="sourceLineNo">371</span><a name="line.371"></a>
+<span class="sourceLineNo">372</span>  private static void printUsage(final Options options) {<a name="line.372"></a>
+<span class="sourceLineNo">373</span>    String header = "\nUsage instructions\n\n";<a name="line.373"></a>
+<span class="sourceLineNo">374</span>    String footer = "\n";<a name="line.374"></a>
+<span class="sourceLineNo">375</span>    HelpFormatter formatter = new HelpFormatter();<a name="line.375"></a>
+<span class="sourceLineNo">376</span>    formatter.printHelp(MajorCompactor.class.getSimpleName(), header, options, footer, true);<a name="line.376"></a>
+<span class="sourceLineNo">377</span>  }<a name="line.377"></a>
+<span class="sourceLineNo">378</span><a name="line.378"></a>
+<span class="sourceLineNo">379</span>}<a name="line.379"></a>
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+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/devapidocs/src-html/org/apache/hadoop/hbase/util/compaction/MajorCompactor.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * See the License for the specific language governing permissions and<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * limitations under the License.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> */<a name="line.15"></a>
+<span class="sourceLineNo">016</span><a name="line.16"></a>
+<span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.util.compaction;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import java.io.IOException;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.util.Arrays;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.Optional;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Set;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.concurrent.ExecutorService;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.concurrent.Executors;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.concurrent.Future;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.concurrent.TimeUnit;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.cli.CommandLine;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.cli.CommandLineParser;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.commons.cli.DefaultParser;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.commons.cli.HelpFormatter;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.commons.cli.Option;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.commons.cli.Options;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.commons.cli.ParseException;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HConstants;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.NotServingRegionException;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.ServerName;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableName;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.CompactionState;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hbase.thirdparty.com.google.common.base.Joiner;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.com.google.common.base.Splitter;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a name="line.59"></a>
+<span class="sourceLineNo">060</span>public class MajorCompactor {<a name="line.60"></a>
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+<span class="sourceLineNo">062</span>  private static final Logger LOG = LoggerFactory.getLogger(MajorCompactor.class);<a name="line.62"></a>
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+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span>  private final ClusterCompactionQueues clusterCompactionQueues;<a name="line.65"></a>
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+<span class="sourceLineNo">068</span>  private final ExecutorService executor;<a name="line.68"></a>
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+<span class="sourceLineNo">070</span>  private final Connection connection;<a name="line.70"></a>
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+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>  public void compactAllRegions() throws Exception {<a name="line.84"></a>
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+<span class="sourceLineNo">110</span>              + " total queue size left: " + clusterCompactionQueues<a name="line.110"></a>
+<span class="sourceLineNo">111</span>              .getCompactionRequestsLeftToFinish());<a name="line.111"></a>
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+<span class="sourceLineNo">119</span>    LOG.info("All compactions have completed");<a name="line.119"></a>
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+<span class="sourceLineNo">121</span><a name="line.121"></a>
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+<span class="sourceLineNo">127</span>  public void shutdown() throws Exception {<a name="line.127"></a>
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+<span class="sourceLineNo">133</span>              .append(" regions / stores that failed compacting\n")<a name="line.133"></a>
+<span class="sourceLineNo">134</span>              .append("Failed compaction requests\n").append("--------------------------\n")<a name="line.134"></a>
+<span class="sourceLineNo">135</span>              .append(Joiner.on("\n").join(ERRORS));<a name="line.135"></a>
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+<span class="sourceLineNo">147</span>          .forEach(a -&gt; storesToCompact.add(Bytes.toString(a)));<a name="line.147"></a>
+<span class="sourceLineNo">148</span>      LOG.info("No family specified, will execute for all families");<a name="line.148"></a>
+<span class="sourceLineNo">149</span>    }<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    LOG.info(<a name="line.150"></a>
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+<span class="sourceLineNo">156</span>          .newRequest(connection.getConfiguration(), location.getRegion(), storesToCompact,<a name="line.156"></a>
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+<span class="sourceLineNo">288</span>    );<a name="line.288"></a>
+<span class="sourceLineNo">289</span>    options.addOption(<a name="line.289"></a>
+<span class="sourceLineNo">290</span>        Option.builder("minModTime").<a name="line.290"></a>
+<span class="sourceLineNo">291</span>            desc("Compact if store files have modification time &lt; minModTime")<a name="line.291"></a>
+<span class="sourceLineNo">292</span>            .hasArg()<a name="line.292"></a>
+<span class="sourceLineNo">293</span>            .build()<a name="line.293"></a>
+<span class="sourceLineNo">294</span>    );<a name="line.294"></a>
+<span class="sourceLineNo">295</span>    options.addOption(<a name="line.295"></a>
+<span class="sourceLineNo">296</span>        Option.builder("zk")<a name="line.296"></a>
+<span class="sourceLineNo">297</span>            .optionalArg(true)<a name="line.297"></a>
+<span class="sourceLineNo">298</span>            .desc("zk quorum")<a name="line.298"></a>
+<span class="sourceLineNo">299</span>            .hasArg()<a name="line.299"></a>
+<span class="sourceLineNo">300</span>            .build()<a name="line.300"></a>
+<span class="sourceLineNo">301</span>    );<a name="line.301"></a>
+<span class="sourceLineNo">302</span>    options.addOption(<a name="line.302"></a>
+<span class="sourceLineNo">303</span>        Option.builder("rootDir")<a name="line.303"></a>
+<span class="sourceLineNo">304</span>            .optionalArg(true)<a name="line.304"></a>
+<span class="sourceLineNo">305</span>            .desc("hbase.rootDir")<a name="line.305"></a>
+<span class="sourceLineNo">306</span>            .hasArg()<a name="line.306"></a>
+<span class="sourceLineNo">307</span>            .build()<a name="line.307"></a>
+<span class="sourceLineNo">308</span>    );<a name="line.308"></a>
+<span class="sourceLineNo">309</span>    options.addOption(<a name="line.309"></a>
+<span class="sourceLineNo">310</span>        Option.builder("sleep")<a name="line.310"></a>
+<span class="sourceLineNo">311</span>            .desc("Time to sleepForMs (ms) for checking compaction status per region and available "<a name="line.311"></a>
+<span class="sourceLineNo">312</span>                + "work queues: default 30s")<a name="line.312"></a>
+<span class="sourceLineNo">313</span>            .hasArg()<a name="line.313"></a>
+<span class="sourceLineNo">314</span>            .build()<a name="line.314"></a>
+<span class="sourceLineNo">315</span>    );<a name="line.315"></a>
+<span class="sourceLineNo">316</span>    options.addOption(<a name="line.316"></a>
+<span class="sourceLineNo">317</span>        Option.builder("retries")<a name="line.317"></a>
+<span class="sourceLineNo">318</span>        .desc("Max # of retries for a compaction request," + " defaults to 3")<a name="line.318"></a>
+<span class="sourceLineNo">319</span>            .hasArg()<a name="line.319"></a>
+<span class="sourceLineNo">320</span>            .build()<a name="line.320"></a>
+<span class="sourceLineNo">321</span>    );<a name="line.321"></a>
+<span class="sourceLineNo">322</span>    options.addOption(<a name="line.322"></a>
+<span class="sourceLineNo">323</span>        Option.builder("dryRun")<a name="line.323"></a>
+<span class="sourceLineNo">324</span>            .desc("Dry run, will just output a list of regions that require compaction based on "<a name="line.324"></a>
+<span class="sourceLineNo">325</span>            + "parameters passed")<a name="line.325"></a>
+<span class="sourceLineNo">326</span>            .hasArg(false)<a name="line.326"></a>
+<span class="sourceLineNo">327</span>            .build()<a name="line.327"></a>
+<span class="sourceLineNo">328</span>    );<a name="line.328"></a>
+<span class="sourceLineNo">329</span><a name="line.329"></a>
+<span class="sourceLineNo">330</span>    final CommandLineParser cmdLineParser = new DefaultParser();<a name="line.330"></a>
+<span class="sourceLineNo">331</span>    CommandLine commandLine = null;<a name="line.331"></a>
+<span class="sourceLineNo">332</span>    try {<a name="line.332"></a>
+<span class="sourceLineNo">333</span>      commandLine = cmdLineParser.parse(options, args);<a name="line.333"></a>
+<span class="sourceLineNo">334</span>    } catch (ParseException parseException) {<a name="line.334"></a>
+<span class="sourceLineNo">335</span>      System.out.println(<a name="line.335"></a>
+<span class="sourceLineNo">336</span>          "ERROR: Unable to parse command-line arguments " + Arrays.toString(args) + " due to: "<a name="line.336"></a>
+<span class="sourceLineNo">337</span>              + parseException);<a name="line.337"></a>
+<span class="sourceLineNo">338</span>      printUsage(options);<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span>    }<a name="line.340"></a>
+<span class="sourceLineNo">341</span>    String tableName = commandLine.getOptionValue("table");<a name="line.341"></a>
+<span class="sourceLineNo">342</span>    String cf = commandLine.getOptionValue("cf", null);<a name="line.342"></a>
+<span class="sourceLineNo">343</span>    Set&lt;String&gt; families = Sets.newHashSet();<a name="line.343"></a>
+<span class="sourceLineNo">344</span>    if (cf != null) {<a name="line.344"></a>
+<span class="sourceLineNo">345</span>      Iterables.addAll(families, Splitter.on(",").split(cf));<a name="line.345"></a>
+<span class="sourceLineNo">346</span>    }<a name="line.346"></a>
+<span class="sourceLineNo">347</span><a name="line.347"></a>
+<span class="sourceLineNo">348</span><a name="line.348"></a>
+<span class="sourceLineNo">349</span>    Configuration configuration = HBaseConfiguration.create();<a name="line.349"></a>
+<span class="sourceLineNo">350</span>    int concurrency = Integer.parseInt(commandLine.getOptionValue("servers"));<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    long minModTime = Long.parseLong(<a name="line.351"></a>
+<span class="sourceLineNo">352</span>        commandLine.getOptionValue("minModTime", String.valueOf(System.currentTimeMillis())));<a name="line.352"></a>
+<span class="sourceLineNo">353</span>    String quorum =<a name="line.353"></a>
+<span class="sourceLineNo">354</span>        commandLine.getOptionValue("zk", configuration.get(HConstants.ZOOKEEPER_QUORUM));<a name="line.354"></a>
+<span class="sourceLineNo">355</span>    String rootDir = commandLine.getOptionValue("rootDir", configuration.get(HConstants.HBASE_DIR));<a name="line.355"></a>
+<span class="sourceLineNo">356</span>    long sleep = Long.valueOf(commandLine.getOptionValue("sleep", Long.toString(30000)));<a name="line.356"></a>
+<span class="sourceLineNo">357</span><a name="line.357"></a>
+<span class="sourceLineNo">358</span>    configuration.set(HConstants.HBASE_DIR, rootDir);<a name="line.358"></a>
+<span class="sourceLineNo">359</span>    configuration.set(HConstants.ZOOKEEPER_QUORUM, quorum);<a name="line.359"></a>
+<span class="sourceLineNo">360</span><a name="line.360"></a>
+<span class="sourceLineNo">361</span>    MajorCompactor compactor =<a name="line.361"></a>
+<span class="sourceLineNo">362</span>        new MajorCompactor(configuration, TableName.valueOf(tableName), families, concurrency,<a name="line.362"></a>
+<span class="sourceLineNo">363</span>            minModTime, sleep);<a name="line.363"></a>
+<span class="sourceLineNo">364</span><a name="line.364"></a>
+<span class="sourceLineNo">365</span>    compactor.initializeWorkQueues();<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    if (!commandLine.hasOption("dryRun")) {<a name="line.366"></a>
+<span class="sourceLineNo">367</span>      compactor.compactAllRegions();<a name="line.367"></a>
+<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
+<span class="sourceLineNo">369</span>    compactor.shutdown();<a name="line.369"></a>
+<span class="sourceLineNo">370</span>  }<a name="line.370"></a>
+<span class="sourceLineNo">371</span><a name="line.371"></a>
+<span class="sourceLineNo">372</span>  private static void printUsage(final Options options) {<a name="line.372"></a>
+<span class="sourceLineNo">373</span>    String header = "\nUsage instructions\n\n";<a name="line.373"></a>
+<span class="sourceLineNo">374</span>    String footer = "\n";<a name="line.374"></a>
+<span class="sourceLineNo">375</span>    HelpFormatter formatter = new HelpFormatter();<a name="line.375"></a>
+<span class="sourceLineNo">376</span>    formatter.printHelp(MajorCompactor.class.getSimpleName(), header, options, footer, true);<a name="line.376"></a>
+<span class="sourceLineNo">377</span>  }<a name="line.377"></a>
+<span class="sourceLineNo">378</span><a name="line.378"></a>
+<span class="sourceLineNo">379</span>}<a name="line.379"></a>
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
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+
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+
+
+
+
+
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+
+
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+
+
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+
+
+
+
+
+
+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/export_control.html
----------------------------------------------------------------------
diff --git a/export_control.html b/export_control.html
index 694b096..0bf8526 100644
--- a/export_control.html
+++ b/export_control.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; 
       Export Control
@@ -336,7 +336,7 @@ for more details.</p>
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/hbase-annotations/checkstyle.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/checkstyle.html b/hbase-annotations/checkstyle.html
index 9e2b516..1a1aa48 100644
--- a/hbase-annotations/checkstyle.html
+++ b/hbase-annotations/checkstyle.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase - Annotations &#x2013; Checkstyle Results</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -150,7 +150,7 @@
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/hbase-annotations/dependencies.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/dependencies.html b/hbase-annotations/dependencies.html
index 9e3ac82..6d5809e 100644
--- a/hbase-annotations/dependencies.html
+++ b/hbase-annotations/dependencies.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase - Annotations &#x2013; Project Dependencies</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -272,7 +272,7 @@
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/hbase-annotations/dependency-convergence.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/dependency-convergence.html b/hbase-annotations/dependency-convergence.html
index 86b5265..0c63118 100644
--- a/hbase-annotations/dependency-convergence.html
+++ b/hbase-annotations/dependency-convergence.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase - Annotations &#x2013; Reactor Dependency Convergence</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -865,7 +865,7 @@
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/hbase-annotations/dependency-info.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/dependency-info.html b/hbase-annotations/dependency-info.html
index 7c9f8e6..5f3f901 100644
--- a/hbase-annotations/dependency-info.html
+++ b/hbase-annotations/dependency-info.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase - Annotations &#x2013; Dependency Information</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -147,7 +147,7 @@
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/hbase-annotations/dependency-management.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/dependency-management.html b/hbase-annotations/dependency-management.html
index 25be49f..91e9cec 100644
--- a/hbase-annotations/dependency-management.html
+++ b/hbase-annotations/dependency-management.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase - Annotations &#x2013; Project Dependency Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -810,7 +810,7 @@
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/hbase-annotations/index.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/index.html b/hbase-annotations/index.html
index c96952e..b167a18 100644
--- a/hbase-annotations/index.html
+++ b/hbase-annotations/index.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase - Annotations &#x2013; About</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -119,7 +119,7 @@
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0de27b7/hbase-annotations/integration.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/integration.html b/hbase-annotations/integration.html
index 9f68be9..004ced6 100644
--- a/hbase-annotations/integration.html
+++ b/hbase-annotations/integration.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180131" />
+    <meta name="Date-Revision-yyyymmdd" content="20180201" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase - Annotations &#x2013; CI Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -126,7 +126,7 @@
                         <a href="https://www.apache.org/">The Apache Software Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 2018-01-31</li>
+                  <li id="publishDate" class="pull-right">Last Published: 2018-02-01</li>
             </p>
                 </div>