| <!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.util, class: NettyEventLoopGroupConfig"> |
| <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.util;</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.concurrent.ThreadFactory;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.ipc.NettyRpcClientConfigHelper;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.wal.NettyAsyncFSWALConfigHelper;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">025</span><span id="line-25"></span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hbase.thirdparty.io.netty.channel.Channel;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hbase.thirdparty.io.netty.channel.ServerChannel;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollEventLoopGroup;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollServerSocketChannel;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollSocketChannel;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoopGroup;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hbase.thirdparty.io.netty.channel.socket.nio.NioServerSocketChannel;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hbase.thirdparty.io.netty.channel.socket.nio.NioSocketChannel;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultThreadFactory;</span> |
| <span class="source-line-no">036</span><span id="line-36"></span> |
| <span class="source-line-no">037</span><span id="line-37">/**</span> |
| <span class="source-line-no">038</span><span id="line-38"> * Event loop group related config.</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">public class NettyEventLoopGroupConfig {</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43"> public static final String NETTY_WORKER_COUNT_KEY = "hbase.netty.worker.count";</span> |
| <span class="source-line-no">044</span><span id="line-44"> public static final int DEFAULT_NETTY_WORKER_COUNT = 0;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46"> public static final String NETTY_NATIVETRANSPORT_KEY = "hbase.netty.nativetransport";</span> |
| <span class="source-line-no">047</span><span id="line-47"> public static final boolean DEFAULT_NETTY_NATIVETRANSPORT = true;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49"> private final EventLoopGroup group;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> private final Class<? extends ServerChannel> serverChannelClass;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> private final Class<? extends Channel> clientChannelClass;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> private static boolean useEpoll(Configuration conf) {</span> |
| <span class="source-line-no">056</span><span id="line-56"> // Config to enable native transport.</span> |
| <span class="source-line-no">057</span><span id="line-57"> final boolean epollEnabled =</span> |
| <span class="source-line-no">058</span><span id="line-58"> conf.getBoolean(NETTY_NATIVETRANSPORT_KEY, DEFAULT_NETTY_NATIVETRANSPORT);</span> |
| <span class="source-line-no">059</span><span id="line-59"> // Use the faster native epoll transport mechanism on linux if enabled and the</span> |
| <span class="source-line-no">060</span><span id="line-60"> // hardware architecture is either amd64 or aarch64. Netty is known to have native</span> |
| <span class="source-line-no">061</span><span id="line-61"> // epoll support for these combinations.</span> |
| <span class="source-line-no">062</span><span id="line-62"> return epollEnabled && JVM.isLinux() && (JVM.isAmd64() || JVM.isAarch64());</span> |
| <span class="source-line-no">063</span><span id="line-63"> }</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> public NettyEventLoopGroupConfig(Configuration conf, String threadPoolName) {</span> |
| <span class="source-line-no">066</span><span id="line-66"> final boolean useEpoll = useEpoll(conf);</span> |
| <span class="source-line-no">067</span><span id="line-67"> final int workerCount = conf.getInt(NETTY_WORKER_COUNT_KEY,</span> |
| <span class="source-line-no">068</span><span id="line-68"> // For backwards compatibility we also need to consider</span> |
| <span class="source-line-no">069</span><span id="line-69"> // "hbase.netty.eventloop.rpcserver.thread.count"</span> |
| <span class="source-line-no">070</span><span id="line-70"> // if it is defined in site configuration instead.</span> |
| <span class="source-line-no">071</span><span id="line-71"> conf.getInt("hbase.netty.eventloop.rpcserver.thread.count", DEFAULT_NETTY_WORKER_COUNT));</span> |
| <span class="source-line-no">072</span><span id="line-72"> ThreadFactory eventLoopThreadFactory =</span> |
| <span class="source-line-no">073</span><span id="line-73"> new DefaultThreadFactory(threadPoolName, true, Thread.MAX_PRIORITY);</span> |
| <span class="source-line-no">074</span><span id="line-74"> if (useEpoll) {</span> |
| <span class="source-line-no">075</span><span id="line-75"> group = new EpollEventLoopGroup(workerCount, eventLoopThreadFactory);</span> |
| <span class="source-line-no">076</span><span id="line-76"> serverChannelClass = EpollServerSocketChannel.class;</span> |
| <span class="source-line-no">077</span><span id="line-77"> clientChannelClass = EpollSocketChannel.class;</span> |
| <span class="source-line-no">078</span><span id="line-78"> } else {</span> |
| <span class="source-line-no">079</span><span id="line-79"> group = new NioEventLoopGroup(workerCount, eventLoopThreadFactory);</span> |
| <span class="source-line-no">080</span><span id="line-80"> serverChannelClass = NioServerSocketChannel.class;</span> |
| <span class="source-line-no">081</span><span id="line-81"> clientChannelClass = NioSocketChannel.class;</span> |
| <span class="source-line-no">082</span><span id="line-82"> }</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"> public EventLoopGroup group() {</span> |
| <span class="source-line-no">086</span><span id="line-86"> return group;</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> public Class<? extends ServerChannel> serverChannelClass() {</span> |
| <span class="source-line-no">090</span><span id="line-90"> return serverChannelClass;</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> public Class<? extends Channel> clientChannelClass() {</span> |
| <span class="source-line-no">094</span><span id="line-94"> return clientChannelClass;</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> public static NettyEventLoopGroupConfig setup(Configuration conf, String threadPoolName) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> // Initialize netty event loop group at start as we may use it for rpc server, rpc client & WAL.</span> |
| <span class="source-line-no">099</span><span id="line-99"> NettyEventLoopGroupConfig nelgc = new NettyEventLoopGroupConfig(conf, threadPoolName);</span> |
| <span class="source-line-no">100</span><span id="line-100"> NettyRpcClientConfigHelper.setEventLoopConfig(conf, nelgc.group(), nelgc.clientChannelClass());</span> |
| <span class="source-line-no">101</span><span id="line-101"> NettyAsyncFSWALConfigHelper.setEventLoopConfig(conf, nelgc.group(), nelgc.clientChannelClass());</span> |
| <span class="source-line-no">102</span><span id="line-102"> return nelgc;</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
