| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase.ipc, class: MasterFifoRpcScheduler"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <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.ipc;</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 java.util.HashMap;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.concurrent.ArrayBlockingQueue;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.concurrent.ThreadPoolExecutor;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.slf4j.Logger;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">031</span><span id="line-31"></span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;</span> |
| <span class="source-line-no">033</span><span id="line-33"></span> |
| <span class="source-line-no">034</span><span id="line-34">/**</span> |
| <span class="source-line-no">035</span><span id="line-35"> * A special {@code }RpcScheduler} only used for master. This scheduler separates RegionServerReport</span> |
| <span class="source-line-no">036</span><span id="line-36"> * requests to independent handlers to avoid these requests block other requests. To use this</span> |
| <span class="source-line-no">037</span><span id="line-37"> * scheduler, please set "hbase.master.rpc.scheduler.factory.class" to</span> |
| <span class="source-line-no">038</span><span id="line-38"> * "org.apache.hadoop.hbase.ipc.MasterFifoRpcScheduler".</span> |
| <span class="source-line-no">039</span><span id="line-39"> */</span> |
| <span class="source-line-no">040</span><span id="line-40">@InterfaceAudience.Private</span> |
| <span class="source-line-no">041</span><span id="line-41">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">042</span><span id="line-42">public class MasterFifoRpcScheduler extends FifoRpcScheduler {</span> |
| <span class="source-line-no">043</span><span id="line-43"> private static final Logger LOG = LoggerFactory.getLogger(MasterFifoRpcScheduler.class);</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> /**</span> |
| <span class="source-line-no">046</span><span id="line-46"> * Set RSReport requests handlers count when masters use MasterFifoRpcScheduler. The default value</span> |
| <span class="source-line-no">047</span><span id="line-47"> * is half of "hbase.regionserver.handler.count" value, but at least 1. The other handlers count</span> |
| <span class="source-line-no">048</span><span id="line-48"> * is "hbase.regionserver.handler.count" value minus RSReport handlers count, but at least 1 too.</span> |
| <span class="source-line-no">049</span><span id="line-49"> */</span> |
| <span class="source-line-no">050</span><span id="line-50"> public static final String MASTER_SERVER_REPORT_HANDLER_COUNT =</span> |
| <span class="source-line-no">051</span><span id="line-51"> "hbase.master.server.report.handler.count";</span> |
| <span class="source-line-no">052</span><span id="line-52"> private static final String REGION_SERVER_REPORT = "RegionServerReport";</span> |
| <span class="source-line-no">053</span><span id="line-53"> private final int rsReportHandlerCount;</span> |
| <span class="source-line-no">054</span><span id="line-54"> private final int rsRsreportMaxQueueLength;</span> |
| <span class="source-line-no">055</span><span id="line-55"> private final AtomicInteger rsReportQueueSize = new AtomicInteger(0);</span> |
| <span class="source-line-no">056</span><span id="line-56"> private ThreadPoolExecutor rsReportExecutor;</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> public MasterFifoRpcScheduler(Configuration conf, int callHandlerCount,</span> |
| <span class="source-line-no">059</span><span id="line-59"> int rsReportHandlerCount) {</span> |
| <span class="source-line-no">060</span><span id="line-60"> super(conf, callHandlerCount);</span> |
| <span class="source-line-no">061</span><span id="line-61"> this.rsReportHandlerCount = rsReportHandlerCount;</span> |
| <span class="source-line-no">062</span><span id="line-62"> this.rsRsreportMaxQueueLength = conf.getInt(RpcScheduler.IPC_SERVER_MAX_CALLQUEUE_LENGTH,</span> |
| <span class="source-line-no">063</span><span id="line-63"> rsReportHandlerCount * RpcServer.DEFAULT_MAX_CALLQUEUE_LENGTH_PER_HANDLER);</span> |
| <span class="source-line-no">064</span><span id="line-64"> }</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @Override</span> |
| <span class="source-line-no">067</span><span id="line-67"> public void start() {</span> |
| <span class="source-line-no">068</span><span id="line-68"> LOG.info(</span> |
| <span class="source-line-no">069</span><span id="line-69"> "Using {} as call queue; handlerCount={}; maxQueueLength={}; rsReportHandlerCount={}; "</span> |
| <span class="source-line-no">070</span><span id="line-70"> + "rsReportMaxQueueLength={}",</span> |
| <span class="source-line-no">071</span><span id="line-71"> this.getClass().getSimpleName(), handlerCount, maxQueueLength, rsReportHandlerCount,</span> |
| <span class="source-line-no">072</span><span id="line-72"> rsRsreportMaxQueueLength);</span> |
| <span class="source-line-no">073</span><span id="line-73"> this.executor = new ThreadPoolExecutor(handlerCount, handlerCount, 60, TimeUnit.SECONDS,</span> |
| <span class="source-line-no">074</span><span id="line-74"> new ArrayBlockingQueue<>(maxQueueLength),</span> |
| <span class="source-line-no">075</span><span id="line-75"> new ThreadFactoryBuilder().setNameFormat("MasterFifoRpcScheduler.call.handler-pool-%d")</span> |
| <span class="source-line-no">076</span><span id="line-76"> .setDaemon(true).setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build(),</span> |
| <span class="source-line-no">077</span><span id="line-77"> new ThreadPoolExecutor.CallerRunsPolicy());</span> |
| <span class="source-line-no">078</span><span id="line-78"> this.rsReportExecutor = new ThreadPoolExecutor(rsReportHandlerCount, rsReportHandlerCount, 60,</span> |
| <span class="source-line-no">079</span><span id="line-79"> TimeUnit.SECONDS, new ArrayBlockingQueue<>(rsRsreportMaxQueueLength),</span> |
| <span class="source-line-no">080</span><span id="line-80"> new ThreadFactoryBuilder().setNameFormat("MasterFifoRpcScheduler.RSReport.handler-pool-%d")</span> |
| <span class="source-line-no">081</span><span id="line-81"> .setDaemon(true).setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build(),</span> |
| <span class="source-line-no">082</span><span id="line-82"> new ThreadPoolExecutor.CallerRunsPolicy());</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> @Override</span> |
| <span class="source-line-no">086</span><span id="line-86"> public void stop() {</span> |
| <span class="source-line-no">087</span><span id="line-87"> this.executor.shutdown();</span> |
| <span class="source-line-no">088</span><span id="line-88"> this.rsReportExecutor.shutdown();</span> |
| <span class="source-line-no">089</span><span id="line-89"> }</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> @Override</span> |
| <span class="source-line-no">092</span><span id="line-92"> public boolean dispatch(final CallRunner task) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> String method = getCallMethod(task);</span> |
| <span class="source-line-no">094</span><span id="line-94"> if (rsReportExecutor != null && method != null && method.equals(REGION_SERVER_REPORT)) {</span> |
| <span class="source-line-no">095</span><span id="line-95"> return executeRpcCall(rsReportExecutor, rsReportQueueSize, task);</span> |
| <span class="source-line-no">096</span><span id="line-96"> } else {</span> |
| <span class="source-line-no">097</span><span id="line-97"> return executeRpcCall(executor, queueSize, task);</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> @Override</span> |
| <span class="source-line-no">102</span><span id="line-102"> public int getGeneralQueueLength() {</span> |
| <span class="source-line-no">103</span><span id="line-103"> return executor.getQueue().size() + rsReportExecutor.getQueue().size();</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> @Override</span> |
| <span class="source-line-no">107</span><span id="line-107"> public int getActiveRpcHandlerCount() {</span> |
| <span class="source-line-no">108</span><span id="line-108"> return executor.getActiveCount() + rsReportExecutor.getActiveCount();</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> @Override</span> |
| <span class="source-line-no">112</span><span id="line-112"> public CallQueueInfo getCallQueueInfo() {</span> |
| <span class="source-line-no">113</span><span id="line-113"> String queueName = "Master Fifo Queue";</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> HashMap<String, Long> methodCount = new HashMap<>();</span> |
| <span class="source-line-no">116</span><span id="line-116"> HashMap<String, Long> methodSize = new HashMap<>();</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> CallQueueInfo callQueueInfo = new CallQueueInfo();</span> |
| <span class="source-line-no">119</span><span id="line-119"> callQueueInfo.setCallMethodCount(queueName, methodCount);</span> |
| <span class="source-line-no">120</span><span id="line-120"> callQueueInfo.setCallMethodSize(queueName, methodSize);</span> |
| <span class="source-line-no">121</span><span id="line-121"></span> |
| <span class="source-line-no">122</span><span id="line-122"> updateMethodCountAndSizeByQueue(executor.getQueue(), methodCount, methodSize);</span> |
| <span class="source-line-no">123</span><span id="line-123"> updateMethodCountAndSizeByQueue(rsReportExecutor.getQueue(), methodCount, methodSize);</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> return callQueueInfo;</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
