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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.regionserver;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.regionserver.Store.NO_PRIORITY;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.regionserver.Store.PRIORITY_USER;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.PrintWriter;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.io.StringWriter;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Comparator;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Iterator;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Optional;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Set;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.concurrent.BlockingQueue;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.Executors;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.concurrent.RejectedExecutionException;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.concurrent.ThreadPoolExecutor;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">036</span><span id="line-36">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">037</span><span id="line-37">import java.util.function.IntSupplier;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.conf.ConfigurationManager;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.conf.PropagatingConfigurationObserver;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.quotas.RegionServerSpaceQuotaManager;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequester;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.regionserver.throttle.CompactionThroughputControllerFactory;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.security.Superusers;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.security.User;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.util.StealJobQueue;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.ipc.RemoteException;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.util.StringUtils;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.slf4j.Logger;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62">/**</span> |
| <span class="source-line-no">063</span><span id="line-63"> * Compact region on request and then run split if appropriate</span> |
| <span class="source-line-no">064</span><span id="line-64"> */</span> |
| <span class="source-line-no">065</span><span id="line-65">@InterfaceAudience.Private</span> |
| <span class="source-line-no">066</span><span id="line-66">public class CompactSplit implements CompactionRequester, PropagatingConfigurationObserver {</span> |
| <span class="source-line-no">067</span><span id="line-67"> private static final Logger LOG = LoggerFactory.getLogger(CompactSplit.class);</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> // Configuration key for the large compaction threads.</span> |
| <span class="source-line-no">070</span><span id="line-70"> public final static String LARGE_COMPACTION_THREADS =</span> |
| <span class="source-line-no">071</span><span id="line-71"> "hbase.regionserver.thread.compaction.large";</span> |
| <span class="source-line-no">072</span><span id="line-72"> public final static int LARGE_COMPACTION_THREADS_DEFAULT = 1;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> // Configuration key for the small compaction threads.</span> |
| <span class="source-line-no">075</span><span id="line-75"> public final static String SMALL_COMPACTION_THREADS =</span> |
| <span class="source-line-no">076</span><span id="line-76"> "hbase.regionserver.thread.compaction.small";</span> |
| <span class="source-line-no">077</span><span id="line-77"> public final static int SMALL_COMPACTION_THREADS_DEFAULT = 1;</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> // Configuration key for split threads</span> |
| <span class="source-line-no">080</span><span id="line-80"> public final static String SPLIT_THREADS = "hbase.regionserver.thread.split";</span> |
| <span class="source-line-no">081</span><span id="line-81"> public final static int SPLIT_THREADS_DEFAULT = 1;</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> public static final String REGION_SERVER_REGION_SPLIT_LIMIT =</span> |
| <span class="source-line-no">084</span><span id="line-84"> "hbase.regionserver.regionSplitLimit";</span> |
| <span class="source-line-no">085</span><span id="line-85"> public static final int DEFAULT_REGION_SERVER_REGION_SPLIT_LIMIT = 1000;</span> |
| <span class="source-line-no">086</span><span id="line-86"> public static final String HBASE_REGION_SERVER_ENABLE_COMPACTION =</span> |
| <span class="source-line-no">087</span><span id="line-87"> "hbase.regionserver.compaction.enabled";</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> private final HRegionServer server;</span> |
| <span class="source-line-no">090</span><span id="line-90"> private final Configuration conf;</span> |
| <span class="source-line-no">091</span><span id="line-91"> private volatile ThreadPoolExecutor longCompactions;</span> |
| <span class="source-line-no">092</span><span id="line-92"> private volatile ThreadPoolExecutor shortCompactions;</span> |
| <span class="source-line-no">093</span><span id="line-93"> private volatile ThreadPoolExecutor splits;</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> private volatile ThroughputController compactionThroughputController;</span> |
| <span class="source-line-no">096</span><span id="line-96"> private volatile Set<String> underCompactionStores = ConcurrentHashMap.newKeySet();</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> private volatile boolean compactionsEnabled;</span> |
| <span class="source-line-no">099</span><span id="line-99"> /**</span> |
| <span class="source-line-no">100</span><span id="line-100"> * Splitting should not take place if the total number of regions exceed this. This is not a hard</span> |
| <span class="source-line-no">101</span><span id="line-101"> * limit to the number of regions but it is a guideline to stop splitting after number of online</span> |
| <span class="source-line-no">102</span><span id="line-102"> * regions is greater than this.</span> |
| <span class="source-line-no">103</span><span id="line-103"> */</span> |
| <span class="source-line-no">104</span><span id="line-104"> private int regionSplitLimit;</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> CompactSplit(HRegionServer server) {</span> |
| <span class="source-line-no">107</span><span id="line-107"> this.server = server;</span> |
| <span class="source-line-no">108</span><span id="line-108"> this.conf = server.getConfiguration();</span> |
| <span class="source-line-no">109</span><span id="line-109"> this.compactionsEnabled = this.conf.getBoolean(HBASE_REGION_SERVER_ENABLE_COMPACTION, true);</span> |
| <span class="source-line-no">110</span><span id="line-110"> createCompactionExecutors();</span> |
| <span class="source-line-no">111</span><span id="line-111"> createSplitExcecutors();</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> // compaction throughput controller</span> |
| <span class="source-line-no">114</span><span id="line-114"> this.compactionThroughputController =</span> |
| <span class="source-line-no">115</span><span id="line-115"> CompactionThroughputControllerFactory.create(server, conf);</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> // only for test</span> |
| <span class="source-line-no">119</span><span id="line-119"> public CompactSplit(Configuration conf) {</span> |
| <span class="source-line-no">120</span><span id="line-120"> this.server = null;</span> |
| <span class="source-line-no">121</span><span id="line-121"> this.conf = conf;</span> |
| <span class="source-line-no">122</span><span id="line-122"> this.compactionsEnabled = this.conf.getBoolean(HBASE_REGION_SERVER_ENABLE_COMPACTION, true);</span> |
| <span class="source-line-no">123</span><span id="line-123"> createCompactionExecutors();</span> |
| <span class="source-line-no">124</span><span id="line-124"> createSplitExcecutors();</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"></span> |
| <span class="source-line-no">127</span><span id="line-127"> private void createSplitExcecutors() {</span> |
| <span class="source-line-no">128</span><span id="line-128"> final String n = Thread.currentThread().getName();</span> |
| <span class="source-line-no">129</span><span id="line-129"> int splitThreads = conf.getInt(SPLIT_THREADS, SPLIT_THREADS_DEFAULT);</span> |
| <span class="source-line-no">130</span><span id="line-130"> this.splits = (ThreadPoolExecutor) Executors.newFixedThreadPool(splitThreads,</span> |
| <span class="source-line-no">131</span><span id="line-131"> new ThreadFactoryBuilder().setNameFormat(n + "-splits-%d").setDaemon(true).build());</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133"></span> |
| <span class="source-line-no">134</span><span id="line-134"> private void createCompactionExecutors() {</span> |
| <span class="source-line-no">135</span><span id="line-135"> this.regionSplitLimit =</span> |
| <span class="source-line-no">136</span><span id="line-136"> conf.getInt(REGION_SERVER_REGION_SPLIT_LIMIT, DEFAULT_REGION_SERVER_REGION_SPLIT_LIMIT);</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> int largeThreads =</span> |
| <span class="source-line-no">139</span><span id="line-139"> Math.max(1, conf.getInt(LARGE_COMPACTION_THREADS, LARGE_COMPACTION_THREADS_DEFAULT));</span> |
| <span class="source-line-no">140</span><span id="line-140"> int smallThreads = conf.getInt(SMALL_COMPACTION_THREADS, SMALL_COMPACTION_THREADS_DEFAULT);</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> // if we have throttle threads, make sure the user also specified size</span> |
| <span class="source-line-no">143</span><span id="line-143"> Preconditions.checkArgument(largeThreads > 0 && smallThreads > 0);</span> |
| <span class="source-line-no">144</span><span id="line-144"></span> |
| <span class="source-line-no">145</span><span id="line-145"> final String n = Thread.currentThread().getName();</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> StealJobQueue<Runnable> stealJobQueue = new StealJobQueue<Runnable>(COMPARATOR);</span> |
| <span class="source-line-no">148</span><span id="line-148"> // Since the StealJobQueue inner uses the PriorityBlockingQueue,</span> |
| <span class="source-line-no">149</span><span id="line-149"> // which is an unbounded blocking queue, we remove the RejectedExecutionHandler for</span> |
| <span class="source-line-no">150</span><span id="line-150"> // the long and short compaction thread pool executors since HBASE-27332.</span> |
| <span class="source-line-no">151</span><span id="line-151"> // If anyone who what to change the StealJobQueue to a bounded queue,</span> |
| <span class="source-line-no">152</span><span id="line-152"> // please add the rejection handler back.</span> |
| <span class="source-line-no">153</span><span id="line-153"> this.longCompactions = new ThreadPoolExecutor(largeThreads, largeThreads, 60, TimeUnit.SECONDS,</span> |
| <span class="source-line-no">154</span><span id="line-154"> stealJobQueue,</span> |
| <span class="source-line-no">155</span><span id="line-155"> new ThreadFactoryBuilder().setNameFormat(n + "-longCompactions-%d").setDaemon(true).build());</span> |
| <span class="source-line-no">156</span><span id="line-156"> this.longCompactions.prestartAllCoreThreads();</span> |
| <span class="source-line-no">157</span><span id="line-157"> this.shortCompactions = new ThreadPoolExecutor(smallThreads, smallThreads, 60, TimeUnit.SECONDS,</span> |
| <span class="source-line-no">158</span><span id="line-158"> stealJobQueue.getStealFromQueue(),</span> |
| <span class="source-line-no">159</span><span id="line-159"> new ThreadFactoryBuilder().setNameFormat(n + "-shortCompactions-%d").setDaemon(true).build());</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"></span> |
| <span class="source-line-no">162</span><span id="line-162"> @Override</span> |
| <span class="source-line-no">163</span><span id="line-163"> public String toString() {</span> |
| <span class="source-line-no">164</span><span id="line-164"> return "compactionQueue=(longCompactions=" + longCompactions.getQueue().size()</span> |
| <span class="source-line-no">165</span><span id="line-165"> + ":shortCompactions=" + shortCompactions.getQueue().size() + ")" + ", splitQueue="</span> |
| <span class="source-line-no">166</span><span id="line-166"> + splits.getQueue().size();</span> |
| <span class="source-line-no">167</span><span id="line-167"> }</span> |
| <span class="source-line-no">168</span><span id="line-168"></span> |
| <span class="source-line-no">169</span><span id="line-169"> public String dumpQueue() {</span> |
| <span class="source-line-no">170</span><span id="line-170"> StringBuilder queueLists = new StringBuilder();</span> |
| <span class="source-line-no">171</span><span id="line-171"> queueLists.append("Compaction/Split Queue dump:\n");</span> |
| <span class="source-line-no">172</span><span id="line-172"> queueLists.append(" LargeCompation Queue:\n");</span> |
| <span class="source-line-no">173</span><span id="line-173"> BlockingQueue<Runnable> lq = longCompactions.getQueue();</span> |
| <span class="source-line-no">174</span><span id="line-174"> Iterator<Runnable> it = lq.iterator();</span> |
| <span class="source-line-no">175</span><span id="line-175"> while (it.hasNext()) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> queueLists.append(" " + it.next().toString());</span> |
| <span class="source-line-no">177</span><span id="line-177"> queueLists.append("\n");</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"></span> |
| <span class="source-line-no">180</span><span id="line-180"> if (shortCompactions != null) {</span> |
| <span class="source-line-no">181</span><span id="line-181"> queueLists.append("\n");</span> |
| <span class="source-line-no">182</span><span id="line-182"> queueLists.append(" SmallCompation Queue:\n");</span> |
| <span class="source-line-no">183</span><span id="line-183"> lq = shortCompactions.getQueue();</span> |
| <span class="source-line-no">184</span><span id="line-184"> it = lq.iterator();</span> |
| <span class="source-line-no">185</span><span id="line-185"> while (it.hasNext()) {</span> |
| <span class="source-line-no">186</span><span id="line-186"> queueLists.append(" " + it.next().toString());</span> |
| <span class="source-line-no">187</span><span id="line-187"> queueLists.append("\n");</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> queueLists.append("\n");</span> |
| <span class="source-line-no">192</span><span id="line-192"> queueLists.append(" Split Queue:\n");</span> |
| <span class="source-line-no">193</span><span id="line-193"> lq = splits.getQueue();</span> |
| <span class="source-line-no">194</span><span id="line-194"> it = lq.iterator();</span> |
| <span class="source-line-no">195</span><span id="line-195"> while (it.hasNext()) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> queueLists.append(" " + it.next().toString());</span> |
| <span class="source-line-no">197</span><span id="line-197"> queueLists.append("\n");</span> |
| <span class="source-line-no">198</span><span id="line-198"> }</span> |
| <span class="source-line-no">199</span><span id="line-199"></span> |
| <span class="source-line-no">200</span><span id="line-200"> return queueLists.toString();</span> |
| <span class="source-line-no">201</span><span id="line-201"> }</span> |
| <span class="source-line-no">202</span><span id="line-202"></span> |
| <span class="source-line-no">203</span><span id="line-203"> public synchronized boolean requestSplit(final Region r) {</span> |
| <span class="source-line-no">204</span><span id="line-204"> // Don't split regions that are blocking is the default behavior.</span> |
| <span class="source-line-no">205</span><span id="line-205"> // But in some circumstances, split here is needed to prevent the region size from</span> |
| <span class="source-line-no">206</span><span id="line-206"> // continuously growing, as well as the number of store files, see HBASE-26242.</span> |
| <span class="source-line-no">207</span><span id="line-207"> HRegion hr = (HRegion) r;</span> |
| <span class="source-line-no">208</span><span id="line-208"> try {</span> |
| <span class="source-line-no">209</span><span id="line-209"> if (shouldSplitRegion(r.getRegionInfo()) && hr.getCompactPriority() >= PRIORITY_USER) {</span> |
| <span class="source-line-no">210</span><span id="line-210"> byte[] midKey = hr.checkSplit().orElse(null);</span> |
| <span class="source-line-no">211</span><span id="line-211"> if (midKey != null) {</span> |
| <span class="source-line-no">212</span><span id="line-212"> requestSplit(r, midKey);</span> |
| <span class="source-line-no">213</span><span id="line-213"> return true;</span> |
| <span class="source-line-no">214</span><span id="line-214"> }</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"> } catch (IndexOutOfBoundsException e) {</span> |
| <span class="source-line-no">217</span><span id="line-217"> // We get this sometimes. Not sure why. Catch and return false; no split request.</span> |
| <span class="source-line-no">218</span><span id="line-218"> LOG.warn("Catching out-of-bounds; region={}, policy={}",</span> |
| <span class="source-line-no">219</span><span id="line-219"> hr == null ? null : hr.getRegionInfo(), hr == null ? "null" : hr.getCompactPriority(), e);</span> |
| <span class="source-line-no">220</span><span id="line-220"> }</span> |
| <span class="source-line-no">221</span><span id="line-221"> return false;</span> |
| <span class="source-line-no">222</span><span id="line-222"> }</span> |
| <span class="source-line-no">223</span><span id="line-223"></span> |
| <span class="source-line-no">224</span><span id="line-224"> private synchronized void requestSplit(final Region r, byte[] midKey) {</span> |
| <span class="source-line-no">225</span><span id="line-225"> requestSplit(r, midKey, null);</span> |
| <span class="source-line-no">226</span><span id="line-226"> }</span> |
| <span class="source-line-no">227</span><span id="line-227"></span> |
| <span class="source-line-no">228</span><span id="line-228"> /*</span> |
| <span class="source-line-no">229</span><span id="line-229"> * The User parameter allows the split thread to assume the correct user identity</span> |
| <span class="source-line-no">230</span><span id="line-230"> */</span> |
| <span class="source-line-no">231</span><span id="line-231"> private synchronized void requestSplit(final Region r, byte[] midKey, User user) {</span> |
| <span class="source-line-no">232</span><span id="line-232"> if (midKey == null) {</span> |
| <span class="source-line-no">233</span><span id="line-233"> LOG.debug("Region " + r.getRegionInfo().getRegionNameAsString()</span> |
| <span class="source-line-no">234</span><span id="line-234"> + " not splittable because midkey=null");</span> |
| <span class="source-line-no">235</span><span id="line-235"> return;</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"> try {</span> |
| <span class="source-line-no">238</span><span id="line-238"> this.splits.execute(new SplitRequest(r, midKey, this.server, user));</span> |
| <span class="source-line-no">239</span><span id="line-239"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">240</span><span id="line-240"> LOG.debug("Splitting " + r + ", " + this);</span> |
| <span class="source-line-no">241</span><span id="line-241"> }</span> |
| <span class="source-line-no">242</span><span id="line-242"> } catch (RejectedExecutionException ree) {</span> |
| <span class="source-line-no">243</span><span id="line-243"> LOG.info("Could not execute split for " + r, ree);</span> |
| <span class="source-line-no">244</span><span id="line-244"> }</span> |
| <span class="source-line-no">245</span><span id="line-245"> }</span> |
| <span class="source-line-no">246</span><span id="line-246"></span> |
| <span class="source-line-no">247</span><span id="line-247"> private void interrupt() {</span> |
| <span class="source-line-no">248</span><span id="line-248"> longCompactions.shutdownNow();</span> |
| <span class="source-line-no">249</span><span id="line-249"> shortCompactions.shutdownNow();</span> |
| <span class="source-line-no">250</span><span id="line-250"> }</span> |
| <span class="source-line-no">251</span><span id="line-251"></span> |
| <span class="source-line-no">252</span><span id="line-252"> private void reInitializeCompactionsExecutors() {</span> |
| <span class="source-line-no">253</span><span id="line-253"> createCompactionExecutors();</span> |
| <span class="source-line-no">254</span><span id="line-254"> }</span> |
| <span class="source-line-no">255</span><span id="line-255"></span> |
| <span class="source-line-no">256</span><span id="line-256"> // set protected for test</span> |
| <span class="source-line-no">257</span><span id="line-257"> protected interface CompactionCompleteTracker {</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> default void completed(Store store) {</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"></span> |
| <span class="source-line-no">263</span><span id="line-263"> private static final CompactionCompleteTracker DUMMY_COMPLETE_TRACKER =</span> |
| <span class="source-line-no">264</span><span id="line-264"> new CompactionCompleteTracker() {</span> |
| <span class="source-line-no">265</span><span id="line-265"> };</span> |
| <span class="source-line-no">266</span><span id="line-266"></span> |
| <span class="source-line-no">267</span><span id="line-267"> private static final class AggregatingCompleteTracker implements CompactionCompleteTracker {</span> |
| <span class="source-line-no">268</span><span id="line-268"></span> |
| <span class="source-line-no">269</span><span id="line-269"> private final CompactionLifeCycleTracker tracker;</span> |
| <span class="source-line-no">270</span><span id="line-270"></span> |
| <span class="source-line-no">271</span><span id="line-271"> private final AtomicInteger remaining;</span> |
| <span class="source-line-no">272</span><span id="line-272"></span> |
| <span class="source-line-no">273</span><span id="line-273"> public AggregatingCompleteTracker(CompactionLifeCycleTracker tracker, int numberOfStores) {</span> |
| <span class="source-line-no">274</span><span id="line-274"> this.tracker = tracker;</span> |
| <span class="source-line-no">275</span><span id="line-275"> this.remaining = new AtomicInteger(numberOfStores);</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"></span> |
| <span class="source-line-no">278</span><span id="line-278"> @Override</span> |
| <span class="source-line-no">279</span><span id="line-279"> public void completed(Store store) {</span> |
| <span class="source-line-no">280</span><span id="line-280"> if (remaining.decrementAndGet() == 0) {</span> |
| <span class="source-line-no">281</span><span id="line-281"> tracker.completed();</span> |
| <span class="source-line-no">282</span><span id="line-282"> }</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"> }</span> |
| <span class="source-line-no">285</span><span id="line-285"></span> |
| <span class="source-line-no">286</span><span id="line-286"> private CompactionCompleteTracker getCompleteTracker(CompactionLifeCycleTracker tracker,</span> |
| <span class="source-line-no">287</span><span id="line-287"> IntSupplier numberOfStores) {</span> |
| <span class="source-line-no">288</span><span id="line-288"> if (tracker == CompactionLifeCycleTracker.DUMMY) {</span> |
| <span class="source-line-no">289</span><span id="line-289"> // a simple optimization to avoid creating unnecessary objects as usually we do not care about</span> |
| <span class="source-line-no">290</span><span id="line-290"> // the life cycle of a compaction.</span> |
| <span class="source-line-no">291</span><span id="line-291"> return DUMMY_COMPLETE_TRACKER;</span> |
| <span class="source-line-no">292</span><span id="line-292"> } else {</span> |
| <span class="source-line-no">293</span><span id="line-293"> return new AggregatingCompleteTracker(tracker, numberOfStores.getAsInt());</span> |
| <span class="source-line-no">294</span><span id="line-294"> }</span> |
| <span class="source-line-no">295</span><span id="line-295"> }</span> |
| <span class="source-line-no">296</span><span id="line-296"></span> |
| <span class="source-line-no">297</span><span id="line-297"> @Override</span> |
| <span class="source-line-no">298</span><span id="line-298"> public synchronized void requestCompaction(HRegion region, String why, int priority,</span> |
| <span class="source-line-no">299</span><span id="line-299"> CompactionLifeCycleTracker tracker, User user) throws IOException {</span> |
| <span class="source-line-no">300</span><span id="line-300"> requestCompactionInternal(region, why, priority, true, tracker,</span> |
| <span class="source-line-no">301</span><span id="line-301"> getCompleteTracker(tracker, () -> region.getTableDescriptor().getColumnFamilyCount()), user);</span> |
| <span class="source-line-no">302</span><span id="line-302"> }</span> |
| <span class="source-line-no">303</span><span id="line-303"></span> |
| <span class="source-line-no">304</span><span id="line-304"> @Override</span> |
| <span class="source-line-no">305</span><span id="line-305"> public synchronized void requestCompaction(HRegion region, HStore store, String why, int priority,</span> |
| <span class="source-line-no">306</span><span id="line-306"> CompactionLifeCycleTracker tracker, User user) throws IOException {</span> |
| <span class="source-line-no">307</span><span id="line-307"> requestCompactionInternal(region, store, why, priority, true, tracker,</span> |
| <span class="source-line-no">308</span><span id="line-308"> getCompleteTracker(tracker, () -> 1), user);</span> |
| <span class="source-line-no">309</span><span id="line-309"> }</span> |
| <span class="source-line-no">310</span><span id="line-310"></span> |
| <span class="source-line-no">311</span><span id="line-311"> @Override</span> |
| <span class="source-line-no">312</span><span id="line-312"> public void switchCompaction(boolean onOrOff) {</span> |
| <span class="source-line-no">313</span><span id="line-313"> if (onOrOff) {</span> |
| <span class="source-line-no">314</span><span id="line-314"> // re-create executor pool if compactions are disabled.</span> |
| <span class="source-line-no">315</span><span id="line-315"> if (!isCompactionsEnabled()) {</span> |
| <span class="source-line-no">316</span><span id="line-316"> LOG.info("Re-Initializing compactions because user switched on compactions");</span> |
| <span class="source-line-no">317</span><span id="line-317"> reInitializeCompactionsExecutors();</span> |
| <span class="source-line-no">318</span><span id="line-318"> }</span> |
| <span class="source-line-no">319</span><span id="line-319"> setCompactionsEnabled(onOrOff);</span> |
| <span class="source-line-no">320</span><span id="line-320"> return;</span> |
| <span class="source-line-no">321</span><span id="line-321"> }</span> |
| <span class="source-line-no">322</span><span id="line-322"></span> |
| <span class="source-line-no">323</span><span id="line-323"> setCompactionsEnabled(onOrOff);</span> |
| <span class="source-line-no">324</span><span id="line-324"> LOG.info("Interrupting running compactions because user switched off compactions");</span> |
| <span class="source-line-no">325</span><span id="line-325"> interrupt();</span> |
| <span class="source-line-no">326</span><span id="line-326"> }</span> |
| <span class="source-line-no">327</span><span id="line-327"></span> |
| <span class="source-line-no">328</span><span id="line-328"> private void requestCompactionInternal(HRegion region, String why, int priority,</span> |
| <span class="source-line-no">329</span><span id="line-329"> boolean selectNow, CompactionLifeCycleTracker tracker,</span> |
| <span class="source-line-no">330</span><span id="line-330"> CompactionCompleteTracker completeTracker, User user) throws IOException {</span> |
| <span class="source-line-no">331</span><span id="line-331"> // request compaction on all stores</span> |
| <span class="source-line-no">332</span><span id="line-332"> for (HStore store : region.stores.values()) {</span> |
| <span class="source-line-no">333</span><span id="line-333"> requestCompactionInternal(region, store, why, priority, selectNow, tracker, completeTracker,</span> |
| <span class="source-line-no">334</span><span id="line-334"> user);</span> |
| <span class="source-line-no">335</span><span id="line-335"> }</span> |
| <span class="source-line-no">336</span><span id="line-336"> }</span> |
| <span class="source-line-no">337</span><span id="line-337"></span> |
| <span class="source-line-no">338</span><span id="line-338"> // set protected for test</span> |
| <span class="source-line-no">339</span><span id="line-339"> protected void requestCompactionInternal(HRegion region, HStore store, String why, int priority,</span> |
| <span class="source-line-no">340</span><span id="line-340"> boolean selectNow, CompactionLifeCycleTracker tracker,</span> |
| <span class="source-line-no">341</span><span id="line-341"> CompactionCompleteTracker completeTracker, User user) throws IOException {</span> |
| <span class="source-line-no">342</span><span id="line-342"> if (!this.isCompactionsEnabled()) {</span> |
| <span class="source-line-no">343</span><span id="line-343"> LOG.info("Ignoring compaction request for " + region + ",because compaction is disabled.");</span> |
| <span class="source-line-no">344</span><span id="line-344"> return;</span> |
| <span class="source-line-no">345</span><span id="line-345"> }</span> |
| <span class="source-line-no">346</span><span id="line-346"></span> |
| <span class="source-line-no">347</span><span id="line-347"> if (</span> |
| <span class="source-line-no">348</span><span id="line-348"> this.server.isStopped() || (region.getTableDescriptor() != null</span> |
| <span class="source-line-no">349</span><span id="line-349"> && !region.getTableDescriptor().isCompactionEnabled())</span> |
| <span class="source-line-no">350</span><span id="line-350"> ) {</span> |
| <span class="source-line-no">351</span><span id="line-351"> return;</span> |
| <span class="source-line-no">352</span><span id="line-352"> }</span> |
| <span class="source-line-no">353</span><span id="line-353"> RegionServerSpaceQuotaManager spaceQuotaManager =</span> |
| <span class="source-line-no">354</span><span id="line-354"> this.server.getRegionServerSpaceQuotaManager();</span> |
| <span class="source-line-no">355</span><span id="line-355"></span> |
| <span class="source-line-no">356</span><span id="line-356"> if (</span> |
| <span class="source-line-no">357</span><span id="line-357"> user != null && !Superusers.isSuperUser(user) && spaceQuotaManager != null</span> |
| <span class="source-line-no">358</span><span id="line-358"> && spaceQuotaManager.areCompactionsDisabled(region.getTableDescriptor().getTableName())</span> |
| <span class="source-line-no">359</span><span id="line-359"> ) {</span> |
| <span class="source-line-no">360</span><span id="line-360"> // Enter here only when:</span> |
| <span class="source-line-no">361</span><span id="line-361"> // It's a user generated req, the user is super user, quotas enabled, compactions disabled.</span> |
| <span class="source-line-no">362</span><span id="line-362"> String reason = "Ignoring compaction request for " + region</span> |
| <span class="source-line-no">363</span><span id="line-363"> + " as an active space quota violation " + " policy disallows compactions.";</span> |
| <span class="source-line-no">364</span><span id="line-364"> tracker.notExecuted(store, reason);</span> |
| <span class="source-line-no">365</span><span id="line-365"> completeTracker.completed(store);</span> |
| <span class="source-line-no">366</span><span id="line-366"> LOG.debug(reason);</span> |
| <span class="source-line-no">367</span><span id="line-367"> return;</span> |
| <span class="source-line-no">368</span><span id="line-368"> }</span> |
| <span class="source-line-no">369</span><span id="line-369"></span> |
| <span class="source-line-no">370</span><span id="line-370"> CompactionContext compaction;</span> |
| <span class="source-line-no">371</span><span id="line-371"> if (selectNow) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> Optional<CompactionContext> c =</span> |
| <span class="source-line-no">373</span><span id="line-373"> selectCompaction(region, store, priority, tracker, completeTracker, user);</span> |
| <span class="source-line-no">374</span><span id="line-374"> if (!c.isPresent()) {</span> |
| <span class="source-line-no">375</span><span id="line-375"> // message logged inside</span> |
| <span class="source-line-no">376</span><span id="line-376"> return;</span> |
| <span class="source-line-no">377</span><span id="line-377"> }</span> |
| <span class="source-line-no">378</span><span id="line-378"> compaction = c.get();</span> |
| <span class="source-line-no">379</span><span id="line-379"> } else {</span> |
| <span class="source-line-no">380</span><span id="line-380"> compaction = null;</span> |
| <span class="source-line-no">381</span><span id="line-381"> }</span> |
| <span class="source-line-no">382</span><span id="line-382"></span> |
| <span class="source-line-no">383</span><span id="line-383"> ThreadPoolExecutor pool;</span> |
| <span class="source-line-no">384</span><span id="line-384"> if (selectNow) {</span> |
| <span class="source-line-no">385</span><span id="line-385"> // compaction.get is safe as we will just return if selectNow is true but no compaction is</span> |
| <span class="source-line-no">386</span><span id="line-386"> // selected</span> |
| <span class="source-line-no">387</span><span id="line-387"> pool = store.throttleCompaction(compaction.getRequest().getSize())</span> |
| <span class="source-line-no">388</span><span id="line-388"> ? longCompactions</span> |
| <span class="source-line-no">389</span><span id="line-389"> : shortCompactions;</span> |
| <span class="source-line-no">390</span><span id="line-390"> } else {</span> |
| <span class="source-line-no">391</span><span id="line-391"> // We assume that most compactions are small. So, put system compactions into small</span> |
| <span class="source-line-no">392</span><span id="line-392"> // pool; we will do selection there, and move to large pool if necessary.</span> |
| <span class="source-line-no">393</span><span id="line-393"> pool = shortCompactions;</span> |
| <span class="source-line-no">394</span><span id="line-394"> }</span> |
| <span class="source-line-no">395</span><span id="line-395"></span> |
| <span class="source-line-no">396</span><span id="line-396"> // A simple implementation for under compaction marks.</span> |
| <span class="source-line-no">397</span><span id="line-397"> // Since this method is always called in the synchronized methods, we do not need to use the</span> |
| <span class="source-line-no">398</span><span id="line-398"> // boolean result to make sure that exactly the one that added here will be removed</span> |
| <span class="source-line-no">399</span><span id="line-399"> // in the next steps.</span> |
| <span class="source-line-no">400</span><span id="line-400"> underCompactionStores.add(getStoreNameForUnderCompaction(store));</span> |
| <span class="source-line-no">401</span><span id="line-401"> pool.execute(</span> |
| <span class="source-line-no">402</span><span id="line-402"> new CompactionRunner(store, region, compaction, tracker, completeTracker, pool, user));</span> |
| <span class="source-line-no">403</span><span id="line-403"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">404</span><span id="line-404"> LOG.debug(</span> |
| <span class="source-line-no">405</span><span id="line-405"> "Add compact mark for store {}, priority={}, current under compaction "</span> |
| <span class="source-line-no">406</span><span id="line-406"> + "store size is {}",</span> |
| <span class="source-line-no">407</span><span id="line-407"> getStoreNameForUnderCompaction(store), priority, underCompactionStores.size());</span> |
| <span class="source-line-no">408</span><span id="line-408"> }</span> |
| <span class="source-line-no">409</span><span id="line-409"> region.incrementCompactionsQueuedCount();</span> |
| <span class="source-line-no">410</span><span id="line-410"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">411</span><span id="line-411"> String type = (pool == shortCompactions) ? "Small " : "Large ";</span> |
| <span class="source-line-no">412</span><span id="line-412"> LOG.debug(type + "Compaction requested: " + (selectNow ? compaction.toString() : "system")</span> |
| <span class="source-line-no">413</span><span id="line-413"> + (why != null && !why.isEmpty() ? "; Because: " + why : "") + "; " + this);</span> |
| <span class="source-line-no">414</span><span id="line-414"> }</span> |
| <span class="source-line-no">415</span><span id="line-415"> }</span> |
| <span class="source-line-no">416</span><span id="line-416"></span> |
| <span class="source-line-no">417</span><span id="line-417"> public synchronized void requestSystemCompaction(HRegion region, String why) throws IOException {</span> |
| <span class="source-line-no">418</span><span id="line-418"> requestCompactionInternal(region, why, NO_PRIORITY, false, CompactionLifeCycleTracker.DUMMY,</span> |
| <span class="source-line-no">419</span><span id="line-419"> DUMMY_COMPLETE_TRACKER, null);</span> |
| <span class="source-line-no">420</span><span id="line-420"> }</span> |
| <span class="source-line-no">421</span><span id="line-421"></span> |
| <span class="source-line-no">422</span><span id="line-422"> public void requestSystemCompaction(HRegion region, HStore store, String why) throws IOException {</span> |
| <span class="source-line-no">423</span><span id="line-423"> requestSystemCompaction(region, store, why, false);</span> |
| <span class="source-line-no">424</span><span id="line-424"> }</span> |
| <span class="source-line-no">425</span><span id="line-425"></span> |
| <span class="source-line-no">426</span><span id="line-426"> public synchronized void requestSystemCompaction(HRegion region, HStore store, String why,</span> |
| <span class="source-line-no">427</span><span id="line-427"> boolean giveUpIfRequestedOrCompacting) throws IOException {</span> |
| <span class="source-line-no">428</span><span id="line-428"> if (giveUpIfRequestedOrCompacting && isUnderCompaction(store)) {</span> |
| <span class="source-line-no">429</span><span id="line-429"> LOG.debug("Region {} store {} is under compaction now, skip to request compaction", region,</span> |
| <span class="source-line-no">430</span><span id="line-430"> store.getColumnFamilyName());</span> |
| <span class="source-line-no">431</span><span id="line-431"> return;</span> |
| <span class="source-line-no">432</span><span id="line-432"> }</span> |
| <span class="source-line-no">433</span><span id="line-433"> requestCompactionInternal(region, store, why, NO_PRIORITY, false,</span> |
| <span class="source-line-no">434</span><span id="line-434"> CompactionLifeCycleTracker.DUMMY, DUMMY_COMPLETE_TRACKER, null);</span> |
| <span class="source-line-no">435</span><span id="line-435"> }</span> |
| <span class="source-line-no">436</span><span id="line-436"></span> |
| <span class="source-line-no">437</span><span id="line-437"> private Optional<CompactionContext> selectCompaction(HRegion region, HStore store, int priority,</span> |
| <span class="source-line-no">438</span><span id="line-438"> CompactionLifeCycleTracker tracker, CompactionCompleteTracker completeTracker, User user)</span> |
| <span class="source-line-no">439</span><span id="line-439"> throws IOException {</span> |
| <span class="source-line-no">440</span><span id="line-440"> // don't even select for compaction if disableCompactions is set to true</span> |
| <span class="source-line-no">441</span><span id="line-441"> if (!isCompactionsEnabled()) {</span> |
| <span class="source-line-no">442</span><span id="line-442"> LOG.info(String.format("User has disabled compactions"));</span> |
| <span class="source-line-no">443</span><span id="line-443"> return Optional.empty();</span> |
| <span class="source-line-no">444</span><span id="line-444"> }</span> |
| <span class="source-line-no">445</span><span id="line-445"> Optional<CompactionContext> compaction = store.requestCompaction(priority, tracker, user);</span> |
| <span class="source-line-no">446</span><span id="line-446"> if (!compaction.isPresent() && region.getRegionInfo() != null) {</span> |
| <span class="source-line-no">447</span><span id="line-447"> String reason = "Not compacting " + region.getRegionInfo().getRegionNameAsString()</span> |
| <span class="source-line-no">448</span><span id="line-448"> + " because compaction request was cancelled";</span> |
| <span class="source-line-no">449</span><span id="line-449"> tracker.notExecuted(store, reason);</span> |
| <span class="source-line-no">450</span><span id="line-450"> completeTracker.completed(store);</span> |
| <span class="source-line-no">451</span><span id="line-451"> LOG.debug(reason);</span> |
| <span class="source-line-no">452</span><span id="line-452"> }</span> |
| <span class="source-line-no">453</span><span id="line-453"> return compaction;</span> |
| <span class="source-line-no">454</span><span id="line-454"> }</span> |
| <span class="source-line-no">455</span><span id="line-455"></span> |
| <span class="source-line-no">456</span><span id="line-456"> /**</span> |
| <span class="source-line-no">457</span><span id="line-457"> * Only interrupt once it's done with a run through the work loop.</span> |
| <span class="source-line-no">458</span><span id="line-458"> */</span> |
| <span class="source-line-no">459</span><span id="line-459"> void interruptIfNecessary() {</span> |
| <span class="source-line-no">460</span><span id="line-460"> splits.shutdown();</span> |
| <span class="source-line-no">461</span><span id="line-461"> longCompactions.shutdown();</span> |
| <span class="source-line-no">462</span><span id="line-462"> shortCompactions.shutdown();</span> |
| <span class="source-line-no">463</span><span id="line-463"> }</span> |
| <span class="source-line-no">464</span><span id="line-464"></span> |
| <span class="source-line-no">465</span><span id="line-465"> private void waitFor(ThreadPoolExecutor t, String name) {</span> |
| <span class="source-line-no">466</span><span id="line-466"> boolean done = false;</span> |
| <span class="source-line-no">467</span><span id="line-467"> while (!done) {</span> |
| <span class="source-line-no">468</span><span id="line-468"> try {</span> |
| <span class="source-line-no">469</span><span id="line-469"> done = t.awaitTermination(60, TimeUnit.SECONDS);</span> |
| <span class="source-line-no">470</span><span id="line-470"> LOG.info("Waiting for " + name + " to finish...");</span> |
| <span class="source-line-no">471</span><span id="line-471"> if (!done) {</span> |
| <span class="source-line-no">472</span><span id="line-472"> t.shutdownNow();</span> |
| <span class="source-line-no">473</span><span id="line-473"> }</span> |
| <span class="source-line-no">474</span><span id="line-474"> } catch (InterruptedException ie) {</span> |
| <span class="source-line-no">475</span><span id="line-475"> LOG.warn("Interrupted waiting for " + name + " to finish...");</span> |
| <span class="source-line-no">476</span><span id="line-476"> t.shutdownNow();</span> |
| <span class="source-line-no">477</span><span id="line-477"> }</span> |
| <span class="source-line-no">478</span><span id="line-478"> }</span> |
| <span class="source-line-no">479</span><span id="line-479"> }</span> |
| <span class="source-line-no">480</span><span id="line-480"></span> |
| <span class="source-line-no">481</span><span id="line-481"> void join() {</span> |
| <span class="source-line-no">482</span><span id="line-482"> waitFor(splits, "Split Thread");</span> |
| <span class="source-line-no">483</span><span id="line-483"> waitFor(longCompactions, "Large Compaction Thread");</span> |
| <span class="source-line-no">484</span><span id="line-484"> waitFor(shortCompactions, "Small Compaction Thread");</span> |
| <span class="source-line-no">485</span><span id="line-485"> }</span> |
| <span class="source-line-no">486</span><span id="line-486"></span> |
| <span class="source-line-no">487</span><span id="line-487"> /**</span> |
| <span class="source-line-no">488</span><span id="line-488"> * Returns the current size of the queue containing regions that are processed.</span> |
| <span class="source-line-no">489</span><span id="line-489"> * @return The current size of the regions queue.</span> |
| <span class="source-line-no">490</span><span id="line-490"> */</span> |
| <span class="source-line-no">491</span><span id="line-491"> public int getCompactionQueueSize() {</span> |
| <span class="source-line-no">492</span><span id="line-492"> return longCompactions.getQueue().size() + shortCompactions.getQueue().size();</span> |
| <span class="source-line-no">493</span><span id="line-493"> }</span> |
| <span class="source-line-no">494</span><span id="line-494"></span> |
| <span class="source-line-no">495</span><span id="line-495"> public int getLargeCompactionQueueSize() {</span> |
| <span class="source-line-no">496</span><span id="line-496"> return longCompactions.getQueue().size();</span> |
| <span class="source-line-no">497</span><span id="line-497"> }</span> |
| <span class="source-line-no">498</span><span id="line-498"></span> |
| <span class="source-line-no">499</span><span id="line-499"> public int getSmallCompactionQueueSize() {</span> |
| <span class="source-line-no">500</span><span id="line-500"> return shortCompactions.getQueue().size();</span> |
| <span class="source-line-no">501</span><span id="line-501"> }</span> |
| <span class="source-line-no">502</span><span id="line-502"></span> |
| <span class="source-line-no">503</span><span id="line-503"> public int getSplitQueueSize() {</span> |
| <span class="source-line-no">504</span><span id="line-504"> return splits.getQueue().size();</span> |
| <span class="source-line-no">505</span><span id="line-505"> }</span> |
| <span class="source-line-no">506</span><span id="line-506"></span> |
| <span class="source-line-no">507</span><span id="line-507"> private boolean shouldSplitRegion(RegionInfo ri) {</span> |
| <span class="source-line-no">508</span><span id="line-508"> if (server.getNumberOfOnlineRegions() > 0.9 * regionSplitLimit) {</span> |
| <span class="source-line-no">509</span><span id="line-509"> LOG.warn("Total number of regions is approaching the upper limit " + regionSplitLimit + ". "</span> |
| <span class="source-line-no">510</span><span id="line-510"> + "Please consider taking a look at http://hbase.apache.org/book.html#ops.regionmgt");</span> |
| <span class="source-line-no">511</span><span id="line-511"> }</span> |
| <span class="source-line-no">512</span><span id="line-512"> return (regionSplitLimit > server.getNumberOfOnlineRegions()</span> |
| <span class="source-line-no">513</span><span id="line-513"> // Do not attempt to split secondary region replicas, as this is not allowed and our request</span> |
| <span class="source-line-no">514</span><span id="line-514"> // to do so will be rejected</span> |
| <span class="source-line-no">515</span><span id="line-515"> && ri.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID);</span> |
| <span class="source-line-no">516</span><span id="line-516"> }</span> |
| <span class="source-line-no">517</span><span id="line-517"></span> |
| <span class="source-line-no">518</span><span id="line-518"> /** Returns the regionSplitLimit */</span> |
| <span class="source-line-no">519</span><span id="line-519"> public int getRegionSplitLimit() {</span> |
| <span class="source-line-no">520</span><span id="line-520"> return this.regionSplitLimit;</span> |
| <span class="source-line-no">521</span><span id="line-521"> }</span> |
| <span class="source-line-no">522</span><span id="line-522"></span> |
| <span class="source-line-no">523</span><span id="line-523"> /**</span> |
| <span class="source-line-no">524</span><span id="line-524"> * Check if this store is under compaction</span> |
| <span class="source-line-no">525</span><span id="line-525"> */</span> |
| <span class="source-line-no">526</span><span id="line-526"> public boolean isUnderCompaction(final HStore s) {</span> |
| <span class="source-line-no">527</span><span id="line-527"> return underCompactionStores.contains(getStoreNameForUnderCompaction(s));</span> |
| <span class="source-line-no">528</span><span id="line-528"> }</span> |
| <span class="source-line-no">529</span><span id="line-529"></span> |
| <span class="source-line-no">530</span><span id="line-530"> private static final Comparator<Runnable> COMPARATOR = new Comparator<Runnable>() {</span> |
| <span class="source-line-no">531</span><span id="line-531"></span> |
| <span class="source-line-no">532</span><span id="line-532"> private int compare(CompactionRequestImpl r1, CompactionRequestImpl r2) {</span> |
| <span class="source-line-no">533</span><span id="line-533"> if (r1 == r2) {</span> |
| <span class="source-line-no">534</span><span id="line-534"> return 0; // they are the same request</span> |
| <span class="source-line-no">535</span><span id="line-535"> }</span> |
| <span class="source-line-no">536</span><span id="line-536"> // less first</span> |
| <span class="source-line-no">537</span><span id="line-537"> int cmp = Integer.compare(r1.getPriority(), r2.getPriority());</span> |
| <span class="source-line-no">538</span><span id="line-538"> if (cmp != 0) {</span> |
| <span class="source-line-no">539</span><span id="line-539"> return cmp;</span> |
| <span class="source-line-no">540</span><span id="line-540"> }</span> |
| <span class="source-line-no">541</span><span id="line-541"> cmp = Long.compare(r1.getSelectionTime(), r2.getSelectionTime());</span> |
| <span class="source-line-no">542</span><span id="line-542"> if (cmp != 0) {</span> |
| <span class="source-line-no">543</span><span id="line-543"> return cmp;</span> |
| <span class="source-line-no">544</span><span id="line-544"> }</span> |
| <span class="source-line-no">545</span><span id="line-545"></span> |
| <span class="source-line-no">546</span><span id="line-546"> // break the tie based on hash code</span> |
| <span class="source-line-no">547</span><span id="line-547"> return System.identityHashCode(r1) - System.identityHashCode(r2);</span> |
| <span class="source-line-no">548</span><span id="line-548"> }</span> |
| <span class="source-line-no">549</span><span id="line-549"></span> |
| <span class="source-line-no">550</span><span id="line-550"> @Override</span> |
| <span class="source-line-no">551</span><span id="line-551"> public int compare(Runnable r1, Runnable r2) {</span> |
| <span class="source-line-no">552</span><span id="line-552"> // CompactionRunner first</span> |
| <span class="source-line-no">553</span><span id="line-553"> if (r1 instanceof CompactionRunner) {</span> |
| <span class="source-line-no">554</span><span id="line-554"> if (!(r2 instanceof CompactionRunner)) {</span> |
| <span class="source-line-no">555</span><span id="line-555"> return -1;</span> |
| <span class="source-line-no">556</span><span id="line-556"> }</span> |
| <span class="source-line-no">557</span><span id="line-557"> } else {</span> |
| <span class="source-line-no">558</span><span id="line-558"> if (r2 instanceof CompactionRunner) {</span> |
| <span class="source-line-no">559</span><span id="line-559"> return 1;</span> |
| <span class="source-line-no">560</span><span id="line-560"> } else {</span> |
| <span class="source-line-no">561</span><span id="line-561"> // break the tie based on hash code</span> |
| <span class="source-line-no">562</span><span id="line-562"> return System.identityHashCode(r1) - System.identityHashCode(r2);</span> |
| <span class="source-line-no">563</span><span id="line-563"> }</span> |
| <span class="source-line-no">564</span><span id="line-564"> }</span> |
| <span class="source-line-no">565</span><span id="line-565"> CompactionRunner o1 = (CompactionRunner) r1;</span> |
| <span class="source-line-no">566</span><span id="line-566"> CompactionRunner o2 = (CompactionRunner) r2;</span> |
| <span class="source-line-no">567</span><span id="line-567"> // less first</span> |
| <span class="source-line-no">568</span><span id="line-568"> int cmp = Integer.compare(o1.queuedPriority, o2.queuedPriority);</span> |
| <span class="source-line-no">569</span><span id="line-569"> if (cmp != 0) {</span> |
| <span class="source-line-no">570</span><span id="line-570"> return cmp;</span> |
| <span class="source-line-no">571</span><span id="line-571"> }</span> |
| <span class="source-line-no">572</span><span id="line-572"> CompactionContext c1 = o1.compaction;</span> |
| <span class="source-line-no">573</span><span id="line-573"> CompactionContext c2 = o2.compaction;</span> |
| <span class="source-line-no">574</span><span id="line-574"> if (c1 != null) {</span> |
| <span class="source-line-no">575</span><span id="line-575"> return c2 != null ? compare(c1.getRequest(), c2.getRequest()) : -1;</span> |
| <span class="source-line-no">576</span><span id="line-576"> } else {</span> |
| <span class="source-line-no">577</span><span id="line-577"> return c2 != null ? 1 : 0;</span> |
| <span class="source-line-no">578</span><span id="line-578"> }</span> |
| <span class="source-line-no">579</span><span id="line-579"> }</span> |
| <span class="source-line-no">580</span><span id="line-580"> };</span> |
| <span class="source-line-no">581</span><span id="line-581"></span> |
| <span class="source-line-no">582</span><span id="line-582"> private final class CompactionRunner implements Runnable {</span> |
| <span class="source-line-no">583</span><span id="line-583"> private final HStore store;</span> |
| <span class="source-line-no">584</span><span id="line-584"> private final HRegion region;</span> |
| <span class="source-line-no">585</span><span id="line-585"> private final CompactionContext compaction;</span> |
| <span class="source-line-no">586</span><span id="line-586"> private final CompactionLifeCycleTracker tracker;</span> |
| <span class="source-line-no">587</span><span id="line-587"> private final CompactionCompleteTracker completeTracker;</span> |
| <span class="source-line-no">588</span><span id="line-588"> private int queuedPriority;</span> |
| <span class="source-line-no">589</span><span id="line-589"> private ThreadPoolExecutor parent;</span> |
| <span class="source-line-no">590</span><span id="line-590"> private User user;</span> |
| <span class="source-line-no">591</span><span id="line-591"> private long time;</span> |
| <span class="source-line-no">592</span><span id="line-592"></span> |
| <span class="source-line-no">593</span><span id="line-593"> public CompactionRunner(HStore store, HRegion region, CompactionContext compaction,</span> |
| <span class="source-line-no">594</span><span id="line-594"> CompactionLifeCycleTracker tracker, CompactionCompleteTracker completeTracker,</span> |
| <span class="source-line-no">595</span><span id="line-595"> ThreadPoolExecutor parent, User user) {</span> |
| <span class="source-line-no">596</span><span id="line-596"> this.store = store;</span> |
| <span class="source-line-no">597</span><span id="line-597"> this.region = region;</span> |
| <span class="source-line-no">598</span><span id="line-598"> this.compaction = compaction;</span> |
| <span class="source-line-no">599</span><span id="line-599"> this.tracker = tracker;</span> |
| <span class="source-line-no">600</span><span id="line-600"> this.completeTracker = completeTracker;</span> |
| <span class="source-line-no">601</span><span id="line-601"> this.queuedPriority =</span> |
| <span class="source-line-no">602</span><span id="line-602"> compaction != null ? compaction.getRequest().getPriority() : store.getCompactPriority();</span> |
| <span class="source-line-no">603</span><span id="line-603"> this.parent = parent;</span> |
| <span class="source-line-no">604</span><span id="line-604"> this.user = user;</span> |
| <span class="source-line-no">605</span><span id="line-605"> this.time = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">606</span><span id="line-606"> }</span> |
| <span class="source-line-no">607</span><span id="line-607"></span> |
| <span class="source-line-no">608</span><span id="line-608"> @Override</span> |
| <span class="source-line-no">609</span><span id="line-609"> public String toString() {</span> |
| <span class="source-line-no">610</span><span id="line-610"> if (compaction != null) {</span> |
| <span class="source-line-no">611</span><span id="line-611"> return "Request=" + compaction.getRequest();</span> |
| <span class="source-line-no">612</span><span id="line-612"> } else {</span> |
| <span class="source-line-no">613</span><span id="line-613"> return "region=" + region.toString() + ", storeName=" + store.toString() + ", priority="</span> |
| <span class="source-line-no">614</span><span id="line-614"> + queuedPriority + ", startTime=" + time;</span> |
| <span class="source-line-no">615</span><span id="line-615"> }</span> |
| <span class="source-line-no">616</span><span id="line-616"> }</span> |
| <span class="source-line-no">617</span><span id="line-617"></span> |
| <span class="source-line-no">618</span><span id="line-618"> private void doCompaction(User user) {</span> |
| <span class="source-line-no">619</span><span id="line-619"> CompactionContext c;</span> |
| <span class="source-line-no">620</span><span id="line-620"> // Common case - system compaction without a file selection. Select now.</span> |
| <span class="source-line-no">621</span><span id="line-621"> if (compaction == null) {</span> |
| <span class="source-line-no">622</span><span id="line-622"> int oldPriority = this.queuedPriority;</span> |
| <span class="source-line-no">623</span><span id="line-623"> this.queuedPriority = this.store.getCompactPriority();</span> |
| <span class="source-line-no">624</span><span id="line-624"> if (this.queuedPriority > oldPriority) {</span> |
| <span class="source-line-no">625</span><span id="line-625"> // Store priority decreased while we were in queue (due to some other compaction?),</span> |
| <span class="source-line-no">626</span><span id="line-626"> // requeue with new priority to avoid blocking potential higher priorities.</span> |
| <span class="source-line-no">627</span><span id="line-627"> this.parent.execute(this);</span> |
| <span class="source-line-no">628</span><span id="line-628"> return;</span> |
| <span class="source-line-no">629</span><span id="line-629"> }</span> |
| <span class="source-line-no">630</span><span id="line-630"> Optional<CompactionContext> selected;</span> |
| <span class="source-line-no">631</span><span id="line-631"> try {</span> |
| <span class="source-line-no">632</span><span id="line-632"> selected = selectCompaction(this.region, this.store, queuedPriority, tracker,</span> |
| <span class="source-line-no">633</span><span id="line-633"> completeTracker, user);</span> |
| <span class="source-line-no">634</span><span id="line-634"> } catch (IOException ex) {</span> |
| <span class="source-line-no">635</span><span id="line-635"> LOG.error("Compaction selection failed " + this, ex);</span> |
| <span class="source-line-no">636</span><span id="line-636"> server.checkFileSystem();</span> |
| <span class="source-line-no">637</span><span id="line-637"> region.decrementCompactionsQueuedCount();</span> |
| <span class="source-line-no">638</span><span id="line-638"> return;</span> |
| <span class="source-line-no">639</span><span id="line-639"> }</span> |
| <span class="source-line-no">640</span><span id="line-640"> if (!selected.isPresent()) {</span> |
| <span class="source-line-no">641</span><span id="line-641"> region.decrementCompactionsQueuedCount();</span> |
| <span class="source-line-no">642</span><span id="line-642"> return; // nothing to do</span> |
| <span class="source-line-no">643</span><span id="line-643"> }</span> |
| <span class="source-line-no">644</span><span id="line-644"> c = selected.get();</span> |
| <span class="source-line-no">645</span><span id="line-645"> assert c.hasSelection();</span> |
| <span class="source-line-no">646</span><span id="line-646"> // Now see if we are in correct pool for the size; if not, go to the correct one.</span> |
| <span class="source-line-no">647</span><span id="line-647"> // We might end up waiting for a while, so cancel the selection.</span> |
| <span class="source-line-no">648</span><span id="line-648"></span> |
| <span class="source-line-no">649</span><span id="line-649"> ThreadPoolExecutor pool =</span> |
| <span class="source-line-no">650</span><span id="line-650"> store.throttleCompaction(c.getRequest().getSize()) ? longCompactions : shortCompactions;</span> |
| <span class="source-line-no">651</span><span id="line-651"></span> |
| <span class="source-line-no">652</span><span id="line-652"> // Long compaction pool can process small job</span> |
| <span class="source-line-no">653</span><span id="line-653"> // Short compaction pool should not process large job</span> |
| <span class="source-line-no">654</span><span id="line-654"> if (this.parent == shortCompactions && pool == longCompactions) {</span> |
| <span class="source-line-no">655</span><span id="line-655"> this.store.cancelRequestedCompaction(c);</span> |
| <span class="source-line-no">656</span><span id="line-656"> this.parent = pool;</span> |
| <span class="source-line-no">657</span><span id="line-657"> this.parent.execute(this);</span> |
| <span class="source-line-no">658</span><span id="line-658"> return;</span> |
| <span class="source-line-no">659</span><span id="line-659"> }</span> |
| <span class="source-line-no">660</span><span id="line-660"> } else {</span> |
| <span class="source-line-no">661</span><span id="line-661"> c = compaction;</span> |
| <span class="source-line-no">662</span><span id="line-662"> }</span> |
| <span class="source-line-no">663</span><span id="line-663"> // Finally we can compact something.</span> |
| <span class="source-line-no">664</span><span id="line-664"> assert c != null;</span> |
| <span class="source-line-no">665</span><span id="line-665"></span> |
| <span class="source-line-no">666</span><span id="line-666"> tracker.beforeExecution(store);</span> |
| <span class="source-line-no">667</span><span id="line-667"> try {</span> |
| <span class="source-line-no">668</span><span id="line-668"> // Note: please don't put single-compaction logic here;</span> |
| <span class="source-line-no">669</span><span id="line-669"> // put it into region/store/etc. This is CST logic.</span> |
| <span class="source-line-no">670</span><span id="line-670"> long start = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">671</span><span id="line-671"> boolean completed = region.compact(c, store, compactionThroughputController, user);</span> |
| <span class="source-line-no">672</span><span id="line-672"> long now = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">673</span><span id="line-673"> LOG.info(((completed) ? "Completed" : "Aborted") + " compaction " + this + "; duration="</span> |
| <span class="source-line-no">674</span><span id="line-674"> + StringUtils.formatTimeDiff(now, start));</span> |
| <span class="source-line-no">675</span><span id="line-675"> if (completed) {</span> |
| <span class="source-line-no">676</span><span id="line-676"> // degenerate case: blocked regions require recursive enqueues</span> |
| <span class="source-line-no">677</span><span id="line-677"> if (</span> |
| <span class="source-line-no">678</span><span id="line-678"> region.getCompactPriority() < Store.PRIORITY_USER && store.getCompactPriority() <= 0</span> |
| <span class="source-line-no">679</span><span id="line-679"> ) {</span> |
| <span class="source-line-no">680</span><span id="line-680"> requestSystemCompaction(region, store, "Recursive enqueue");</span> |
| <span class="source-line-no">681</span><span id="line-681"> } else {</span> |
| <span class="source-line-no">682</span><span id="line-682"> // see if the compaction has caused us to exceed max region size</span> |
| <span class="source-line-no">683</span><span id="line-683"> if (!requestSplit(region) && store.getCompactPriority() <= 0) {</span> |
| <span class="source-line-no">684</span><span id="line-684"> requestSystemCompaction(region, store, "Recursive enqueue");</span> |
| <span class="source-line-no">685</span><span id="line-685"> }</span> |
| <span class="source-line-no">686</span><span id="line-686"> }</span> |
| <span class="source-line-no">687</span><span id="line-687"> }</span> |
| <span class="source-line-no">688</span><span id="line-688"> } catch (IOException ex) {</span> |
| <span class="source-line-no">689</span><span id="line-689"> IOException remoteEx =</span> |
| <span class="source-line-no">690</span><span id="line-690"> ex instanceof RemoteException ? ((RemoteException) ex).unwrapRemoteException() : ex;</span> |
| <span class="source-line-no">691</span><span id="line-691"> LOG.error("Compaction failed " + this, remoteEx);</span> |
| <span class="source-line-no">692</span><span id="line-692"> if (remoteEx != ex) {</span> |
| <span class="source-line-no">693</span><span id="line-693"> LOG.info("Compaction failed at original callstack: " + formatStackTrace(ex));</span> |
| <span class="source-line-no">694</span><span id="line-694"> }</span> |
| <span class="source-line-no">695</span><span id="line-695"> region.reportCompactionRequestFailure();</span> |
| <span class="source-line-no">696</span><span id="line-696"> server.checkFileSystem();</span> |
| <span class="source-line-no">697</span><span id="line-697"> } catch (Exception ex) {</span> |
| <span class="source-line-no">698</span><span id="line-698"> LOG.error("Compaction failed " + this, ex);</span> |
| <span class="source-line-no">699</span><span id="line-699"> region.reportCompactionRequestFailure();</span> |
| <span class="source-line-no">700</span><span id="line-700"> server.checkFileSystem();</span> |
| <span class="source-line-no">701</span><span id="line-701"> } finally {</span> |
| <span class="source-line-no">702</span><span id="line-702"> tracker.afterExecution(store);</span> |
| <span class="source-line-no">703</span><span id="line-703"> completeTracker.completed(store);</span> |
| <span class="source-line-no">704</span><span id="line-704"> region.decrementCompactionsQueuedCount();</span> |
| <span class="source-line-no">705</span><span id="line-705"> LOG.debug("Status {}", CompactSplit.this);</span> |
| <span class="source-line-no">706</span><span id="line-706"> }</span> |
| <span class="source-line-no">707</span><span id="line-707"> }</span> |
| <span class="source-line-no">708</span><span id="line-708"></span> |
| <span class="source-line-no">709</span><span id="line-709"> @Override</span> |
| <span class="source-line-no">710</span><span id="line-710"> public void run() {</span> |
| <span class="source-line-no">711</span><span id="line-711"> try {</span> |
| <span class="source-line-no">712</span><span id="line-712"> Preconditions.checkNotNull(server);</span> |
| <span class="source-line-no">713</span><span id="line-713"> if (</span> |
| <span class="source-line-no">714</span><span id="line-714"> server.isStopped() || (region.getTableDescriptor() != null</span> |
| <span class="source-line-no">715</span><span id="line-715"> && !region.getTableDescriptor().isCompactionEnabled())</span> |
| <span class="source-line-no">716</span><span id="line-716"> ) {</span> |
| <span class="source-line-no">717</span><span id="line-717"> region.decrementCompactionsQueuedCount();</span> |
| <span class="source-line-no">718</span><span id="line-718"> return;</span> |
| <span class="source-line-no">719</span><span id="line-719"> }</span> |
| <span class="source-line-no">720</span><span id="line-720"> doCompaction(user);</span> |
| <span class="source-line-no">721</span><span id="line-721"> } finally {</span> |
| <span class="source-line-no">722</span><span id="line-722"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">723</span><span id="line-723"> LOG.debug("Remove under compaction mark for store: {}",</span> |
| <span class="source-line-no">724</span><span id="line-724"> store.getHRegion().getRegionInfo().getEncodedName() + ":"</span> |
| <span class="source-line-no">725</span><span id="line-725"> + store.getColumnFamilyName());</span> |
| <span class="source-line-no">726</span><span id="line-726"> }</span> |
| <span class="source-line-no">727</span><span id="line-727"> underCompactionStores.remove(getStoreNameForUnderCompaction(store));</span> |
| <span class="source-line-no">728</span><span id="line-728"> }</span> |
| <span class="source-line-no">729</span><span id="line-729"> }</span> |
| <span class="source-line-no">730</span><span id="line-730"></span> |
| <span class="source-line-no">731</span><span id="line-731"> private String formatStackTrace(Exception ex) {</span> |
| <span class="source-line-no">732</span><span id="line-732"> StringWriter sw = new StringWriter();</span> |
| <span class="source-line-no">733</span><span id="line-733"> PrintWriter pw = new PrintWriter(sw);</span> |
| <span class="source-line-no">734</span><span id="line-734"> ex.printStackTrace(pw);</span> |
| <span class="source-line-no">735</span><span id="line-735"> pw.flush();</span> |
| <span class="source-line-no">736</span><span id="line-736"> return sw.toString();</span> |
| <span class="source-line-no">737</span><span id="line-737"> }</span> |
| <span class="source-line-no">738</span><span id="line-738"> }</span> |
| <span class="source-line-no">739</span><span id="line-739"></span> |
| <span class="source-line-no">740</span><span id="line-740"> /**</span> |
| <span class="source-line-no">741</span><span id="line-741"> * {@inheritDoc}</span> |
| <span class="source-line-no">742</span><span id="line-742"> */</span> |
| <span class="source-line-no">743</span><span id="line-743"> @Override</span> |
| <span class="source-line-no">744</span><span id="line-744"> public void onConfigurationChange(Configuration newConf) {</span> |
| <span class="source-line-no">745</span><span id="line-745"> // Check if number of large / small compaction threads has changed, and then</span> |
| <span class="source-line-no">746</span><span id="line-746"> // adjust the core pool size of the thread pools, by using the</span> |
| <span class="source-line-no">747</span><span id="line-747"> // setCorePoolSize() method. According to the javadocs, it is safe to</span> |
| <span class="source-line-no">748</span><span id="line-748"> // change the core pool size on-the-fly. We need to reset the maximum</span> |
| <span class="source-line-no">749</span><span id="line-749"> // pool size, as well.</span> |
| <span class="source-line-no">750</span><span id="line-750"> int largeThreads =</span> |
| <span class="source-line-no">751</span><span id="line-751"> Math.max(1, newConf.getInt(LARGE_COMPACTION_THREADS, LARGE_COMPACTION_THREADS_DEFAULT));</span> |
| <span class="source-line-no">752</span><span id="line-752"> if (this.longCompactions.getCorePoolSize() != largeThreads) {</span> |
| <span class="source-line-no">753</span><span id="line-753"> LOG.info("Changing the value of " + LARGE_COMPACTION_THREADS + " from "</span> |
| <span class="source-line-no">754</span><span id="line-754"> + this.longCompactions.getCorePoolSize() + " to " + largeThreads);</span> |
| <span class="source-line-no">755</span><span id="line-755"> if (this.longCompactions.getCorePoolSize() < largeThreads) {</span> |
| <span class="source-line-no">756</span><span id="line-756"> this.longCompactions.setMaximumPoolSize(largeThreads);</span> |
| <span class="source-line-no">757</span><span id="line-757"> this.longCompactions.setCorePoolSize(largeThreads);</span> |
| <span class="source-line-no">758</span><span id="line-758"> } else {</span> |
| <span class="source-line-no">759</span><span id="line-759"> this.longCompactions.setCorePoolSize(largeThreads);</span> |
| <span class="source-line-no">760</span><span id="line-760"> this.longCompactions.setMaximumPoolSize(largeThreads);</span> |
| <span class="source-line-no">761</span><span id="line-761"> }</span> |
| <span class="source-line-no">762</span><span id="line-762"> }</span> |
| <span class="source-line-no">763</span><span id="line-763"></span> |
| <span class="source-line-no">764</span><span id="line-764"> int smallThreads = newConf.getInt(SMALL_COMPACTION_THREADS, SMALL_COMPACTION_THREADS_DEFAULT);</span> |
| <span class="source-line-no">765</span><span id="line-765"> if (this.shortCompactions.getCorePoolSize() != smallThreads) {</span> |
| <span class="source-line-no">766</span><span id="line-766"> LOG.info("Changing the value of " + SMALL_COMPACTION_THREADS + " from "</span> |
| <span class="source-line-no">767</span><span id="line-767"> + this.shortCompactions.getCorePoolSize() + " to " + smallThreads);</span> |
| <span class="source-line-no">768</span><span id="line-768"> if (this.shortCompactions.getCorePoolSize() < smallThreads) {</span> |
| <span class="source-line-no">769</span><span id="line-769"> this.shortCompactions.setMaximumPoolSize(smallThreads);</span> |
| <span class="source-line-no">770</span><span id="line-770"> this.shortCompactions.setCorePoolSize(smallThreads);</span> |
| <span class="source-line-no">771</span><span id="line-771"> } else {</span> |
| <span class="source-line-no">772</span><span id="line-772"> this.shortCompactions.setCorePoolSize(smallThreads);</span> |
| <span class="source-line-no">773</span><span id="line-773"> this.shortCompactions.setMaximumPoolSize(smallThreads);</span> |
| <span class="source-line-no">774</span><span id="line-774"> }</span> |
| <span class="source-line-no">775</span><span id="line-775"> }</span> |
| <span class="source-line-no">776</span><span id="line-776"></span> |
| <span class="source-line-no">777</span><span id="line-777"> int splitThreads = newConf.getInt(SPLIT_THREADS, SPLIT_THREADS_DEFAULT);</span> |
| <span class="source-line-no">778</span><span id="line-778"> if (this.splits.getCorePoolSize() != splitThreads) {</span> |
| <span class="source-line-no">779</span><span id="line-779"> LOG.info("Changing the value of " + SPLIT_THREADS + " from " + this.splits.getCorePoolSize()</span> |
| <span class="source-line-no">780</span><span id="line-780"> + " to " + splitThreads);</span> |
| <span class="source-line-no">781</span><span id="line-781"> if (this.splits.getCorePoolSize() < splitThreads) {</span> |
| <span class="source-line-no">782</span><span id="line-782"> this.splits.setMaximumPoolSize(splitThreads);</span> |
| <span class="source-line-no">783</span><span id="line-783"> this.splits.setCorePoolSize(splitThreads);</span> |
| <span class="source-line-no">784</span><span id="line-784"> } else {</span> |
| <span class="source-line-no">785</span><span id="line-785"> this.splits.setCorePoolSize(splitThreads);</span> |
| <span class="source-line-no">786</span><span id="line-786"> this.splits.setMaximumPoolSize(splitThreads);</span> |
| <span class="source-line-no">787</span><span id="line-787"> }</span> |
| <span class="source-line-no">788</span><span id="line-788"> }</span> |
| <span class="source-line-no">789</span><span id="line-789"></span> |
| <span class="source-line-no">790</span><span id="line-790"> ThroughputController old = this.compactionThroughputController;</span> |
| <span class="source-line-no">791</span><span id="line-791"> if (old != null) {</span> |
| <span class="source-line-no">792</span><span id="line-792"> old.stop("configuration change");</span> |
| <span class="source-line-no">793</span><span id="line-793"> }</span> |
| <span class="source-line-no">794</span><span id="line-794"> this.compactionThroughputController =</span> |
| <span class="source-line-no">795</span><span id="line-795"> CompactionThroughputControllerFactory.create(server, newConf);</span> |
| <span class="source-line-no">796</span><span id="line-796"></span> |
| <span class="source-line-no">797</span><span id="line-797"> // We change this atomically here instead of reloading the config in order that upstream</span> |
| <span class="source-line-no">798</span><span id="line-798"> // would be the only one with the flexibility to reload the config.</span> |
| <span class="source-line-no">799</span><span id="line-799"> this.conf.reloadConfiguration();</span> |
| <span class="source-line-no">800</span><span id="line-800"> }</span> |
| <span class="source-line-no">801</span><span id="line-801"></span> |
| <span class="source-line-no">802</span><span id="line-802"> protected int getSmallCompactionThreadNum() {</span> |
| <span class="source-line-no">803</span><span id="line-803"> return this.shortCompactions.getCorePoolSize();</span> |
| <span class="source-line-no">804</span><span id="line-804"> }</span> |
| <span class="source-line-no">805</span><span id="line-805"></span> |
| <span class="source-line-no">806</span><span id="line-806"> protected int getLargeCompactionThreadNum() {</span> |
| <span class="source-line-no">807</span><span id="line-807"> return this.longCompactions.getCorePoolSize();</span> |
| <span class="source-line-no">808</span><span id="line-808"> }</span> |
| <span class="source-line-no">809</span><span id="line-809"></span> |
| <span class="source-line-no">810</span><span id="line-810"> protected int getSplitThreadNum() {</span> |
| <span class="source-line-no">811</span><span id="line-811"> return this.splits.getCorePoolSize();</span> |
| <span class="source-line-no">812</span><span id="line-812"> }</span> |
| <span class="source-line-no">813</span><span id="line-813"></span> |
| <span class="source-line-no">814</span><span id="line-814"> /** Exposed for unit testing */</span> |
| <span class="source-line-no">815</span><span id="line-815"> long getSubmittedSplitsCount() {</span> |
| <span class="source-line-no">816</span><span id="line-816"> return this.splits.getTaskCount();</span> |
| <span class="source-line-no">817</span><span id="line-817"> }</span> |
| <span class="source-line-no">818</span><span id="line-818"></span> |
| <span class="source-line-no">819</span><span id="line-819"> /**</span> |
| <span class="source-line-no">820</span><span id="line-820"> * {@inheritDoc}</span> |
| <span class="source-line-no">821</span><span id="line-821"> */</span> |
| <span class="source-line-no">822</span><span id="line-822"> @Override</span> |
| <span class="source-line-no">823</span><span id="line-823"> public void registerChildren(ConfigurationManager manager) {</span> |
| <span class="source-line-no">824</span><span id="line-824"> // No children to register.</span> |
| <span class="source-line-no">825</span><span id="line-825"> }</span> |
| <span class="source-line-no">826</span><span id="line-826"></span> |
| <span class="source-line-no">827</span><span id="line-827"> /**</span> |
| <span class="source-line-no">828</span><span id="line-828"> * {@inheritDoc}</span> |
| <span class="source-line-no">829</span><span id="line-829"> */</span> |
| <span class="source-line-no">830</span><span id="line-830"> @Override</span> |
| <span class="source-line-no">831</span><span id="line-831"> public void deregisterChildren(ConfigurationManager manager) {</span> |
| <span class="source-line-no">832</span><span id="line-832"> // No children to register</span> |
| <span class="source-line-no">833</span><span id="line-833"> }</span> |
| <span class="source-line-no">834</span><span id="line-834"></span> |
| <span class="source-line-no">835</span><span id="line-835"> public ThroughputController getCompactionThroughputController() {</span> |
| <span class="source-line-no">836</span><span id="line-836"> return compactionThroughputController;</span> |
| <span class="source-line-no">837</span><span id="line-837"> }</span> |
| <span class="source-line-no">838</span><span id="line-838"></span> |
| <span class="source-line-no">839</span><span id="line-839"> /**</span> |
| <span class="source-line-no">840</span><span id="line-840"> * Shutdown the long compaction thread pool. Should only be used in unit test to prevent long</span> |
| <span class="source-line-no">841</span><span id="line-841"> * compaction thread pool from stealing job from short compaction queue</span> |
| <span class="source-line-no">842</span><span id="line-842"> */</span> |
| <span class="source-line-no">843</span><span id="line-843"> void shutdownLongCompactions() {</span> |
| <span class="source-line-no">844</span><span id="line-844"> this.longCompactions.shutdown();</span> |
| <span class="source-line-no">845</span><span id="line-845"> }</span> |
| <span class="source-line-no">846</span><span id="line-846"></span> |
| <span class="source-line-no">847</span><span id="line-847"> public void clearLongCompactionsQueue() {</span> |
| <span class="source-line-no">848</span><span id="line-848"> longCompactions.getQueue().clear();</span> |
| <span class="source-line-no">849</span><span id="line-849"> }</span> |
| <span class="source-line-no">850</span><span id="line-850"></span> |
| <span class="source-line-no">851</span><span id="line-851"> public void clearShortCompactionsQueue() {</span> |
| <span class="source-line-no">852</span><span id="line-852"> shortCompactions.getQueue().clear();</span> |
| <span class="source-line-no">853</span><span id="line-853"> }</span> |
| <span class="source-line-no">854</span><span id="line-854"></span> |
| <span class="source-line-no">855</span><span id="line-855"> public boolean isCompactionsEnabled() {</span> |
| <span class="source-line-no">856</span><span id="line-856"> return compactionsEnabled;</span> |
| <span class="source-line-no">857</span><span id="line-857"> }</span> |
| <span class="source-line-no">858</span><span id="line-858"></span> |
| <span class="source-line-no">859</span><span id="line-859"> public void setCompactionsEnabled(boolean compactionsEnabled) {</span> |
| <span class="source-line-no">860</span><span id="line-860"> this.compactionsEnabled = compactionsEnabled;</span> |
| <span class="source-line-no">861</span><span id="line-861"> this.conf.setBoolean(HBASE_REGION_SERVER_ENABLE_COMPACTION, compactionsEnabled);</span> |
| <span class="source-line-no">862</span><span id="line-862"> }</span> |
| <span class="source-line-no">863</span><span id="line-863"></span> |
| <span class="source-line-no">864</span><span id="line-864"> /** Returns the longCompactions thread pool executor */</span> |
| <span class="source-line-no">865</span><span id="line-865"> ThreadPoolExecutor getLongCompactions() {</span> |
| <span class="source-line-no">866</span><span id="line-866"> return longCompactions;</span> |
| <span class="source-line-no">867</span><span id="line-867"> }</span> |
| <span class="source-line-no">868</span><span id="line-868"></span> |
| <span class="source-line-no">869</span><span id="line-869"> /** Returns the shortCompactions thread pool executor */</span> |
| <span class="source-line-no">870</span><span id="line-870"> ThreadPoolExecutor getShortCompactions() {</span> |
| <span class="source-line-no">871</span><span id="line-871"> return shortCompactions;</span> |
| <span class="source-line-no">872</span><span id="line-872"> }</span> |
| <span class="source-line-no">873</span><span id="line-873"></span> |
| <span class="source-line-no">874</span><span id="line-874"> private String getStoreNameForUnderCompaction(HStore store) {</span> |
| <span class="source-line-no">875</span><span id="line-875"> return String.format("%s:%s",</span> |
| <span class="source-line-no">876</span><span id="line-876"> store.getHRegion() != null ? store.getHRegion().getRegionInfo().getEncodedName() : "",</span> |
| <span class="source-line-no">877</span><span id="line-877"> store.getColumnFamilyName());</span> |
| <span class="source-line-no">878</span><span id="line-878"> }</span> |
| <span class="source-line-no">879</span><span id="line-879"></span> |
| <span class="source-line-no">880</span><span id="line-880">}</span> |
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