hbase-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From git-site-r...@apache.org
Subject [01/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Sat, 13 May 2017 14:58:43 GMT
Repository: hbase-site
Updated Branches:
  refs/heads/asf-site 80faeee01 -> 8e0a51670


http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8e0a5167/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/LoadBalancerPerformanceEvaluation.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/LoadBalancerPerformanceEvaluation.html
b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/LoadBalancerPerformanceEvaluation.html
new file mode 100644
index 0000000..b040a50
--- /dev/null
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/LoadBalancerPerformanceEvaluation.html
@@ -0,0 +1,252 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation
(ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements.
 See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional
information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF
licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version
2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file
except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a copy
of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     http://www.apache.org/licenses/LICENSE-2.0<a
name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed
on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language
governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.master.balancer;<a
name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import com.google.common.base.Preconditions;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span>import com.google.common.base.Stopwatch;<a
name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.commons.cli.CommandLine;<a
name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.commons.cli.Option;<a
name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.commons.logging.Log;<a
name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.commons.logging.LogFactory;<a
name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseCommonTestingUtility;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a
name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a
name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HRegionInfo;<a
name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.ServerName;<a
name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.TableName;<a
name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a
name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.master.LoadBalancer;<a
name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.AbstractHBaseTool;<a
name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.Bytes;<a
name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.io.IOException;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.ArrayList;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import java.util.Collections;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import java.util.HashMap;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import java.util.List;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import java.util.Map;<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Tool to test performance of different
{@link org.apache.hadoop.hbase.master.LoadBalancer}<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * implementations.<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * Example command:<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * $ bin/hbase org.apache.hadoop.hbase.master.balancer.LoadBalancerPerformanceEvaluation<a
name="line.49"></a>
+<span class="sourceLineNo">050</span> *   -regions 1000 -servers 100<a name="line.50"></a>
+<span class="sourceLineNo">051</span> *   -load_balancer org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer<a
name="line.51"></a>
+<span class="sourceLineNo">052</span> */<a name="line.52"></a>
+<span class="sourceLineNo">053</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a
name="line.53"></a>
+<span class="sourceLineNo">054</span>public class LoadBalancerPerformanceEvaluation
extends AbstractHBaseTool {<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  private static final Log LOG =<a name="line.55"></a>
+<span class="sourceLineNo">056</span>      LogFactory.getLog(LoadBalancerPerformanceEvaluation.class.getName());<a
name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>  protected static final HBaseCommonTestingUtility
UTIL = new HBaseCommonTestingUtility();<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>  private static final int DEFAULT_NUM_REGIONS
= 1000000;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>  private static Option NUM_REGIONS_OPT
= new Option("regions", true,<a name="line.61"></a>
+<span class="sourceLineNo">062</span>      "Number of regions to consider by
load balancer. Default: " + DEFAULT_NUM_REGIONS);<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  private static final int DEFAULT_NUM_SERVERS
= 1000;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>  private static Option NUM_SERVERS_OPT
= new Option("servers", true,<a name="line.65"></a>
+<span class="sourceLineNo">066</span>      "Number of servers to consider by
load balancer. Default: " + DEFAULT_NUM_SERVERS);<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span>  private static final String DEFAULT_LOAD_BALANCER
=<a name="line.68"></a>
+<span class="sourceLineNo">069</span>      "org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer";<a
name="line.69"></a>
+<span class="sourceLineNo">070</span>  private static Option LOAD_BALANCER_OPT
= new Option("load_balancer", true,<a name="line.70"></a>
+<span class="sourceLineNo">071</span>      "Type of Load Balancer to use. Default:
" + DEFAULT_LOAD_BALANCER);<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span>  private int numRegions;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  private int numServers;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>  private String loadBalancerType;<a
name="line.75"></a>
+<span class="sourceLineNo">076</span>  private Class&lt;?&gt; loadBalancerClazz;<a
name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>  private LoadBalancer loadBalancer;<a
name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span>  // data<a name="line.80"></a>
+<span class="sourceLineNo">081</span>  private List&lt;ServerName&gt;
servers;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>  private List&lt;HRegionInfo&gt;
regions;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>  private Map&lt;HRegionInfo, ServerName&gt;
regionServerMap;<a name="line.83"></a>
+<span class="sourceLineNo">084</span>  private Map&lt;ServerName, List&lt;HRegionInfo&gt;&gt;
serverRegionMap;<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span>  // Non-default configurations.<a name="line.86"></a>
+<span class="sourceLineNo">087</span>  private void setupConf() {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    conf.setClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS,
loadBalancerClazz, LoadBalancer.class);<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    loadBalancer = LoadBalancerFactory.getLoadBalancer(conf);<a
name="line.89"></a>
+<span class="sourceLineNo">090</span>  }<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span>  private void generateRegionsAndServers()
{<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    // regions<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    regions = new ArrayList&lt;&gt;(numRegions);<a
name="line.94"></a>
+<span class="sourceLineNo">095</span>    regionServerMap = new HashMap&lt;&gt;(numRegions);<a
name="line.95"></a>
+<span class="sourceLineNo">096</span>    for (int i = 0; i &lt; numRegions;
++i) {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>      byte[] start = new byte[16];<a
name="line.97"></a>
+<span class="sourceLineNo">098</span>      byte[] end = new byte[16];<a name="line.98"></a>
+<span class="sourceLineNo">099</span><a name="line.99"></a>
+<span class="sourceLineNo">100</span>      Bytes.putInt(start, 0, i);<a name="line.100"></a>
+<span class="sourceLineNo">101</span>      Bytes.putInt(end, 0, i + 1);<a
name="line.101"></a>
+<span class="sourceLineNo">102</span>      TableName tableName = TableName.valueOf("LoadBalancerPerfTable");<a
name="line.102"></a>
+<span class="sourceLineNo">103</span>      HRegionInfo hri = new HRegionInfo(tableName,
start, end, false, i);<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      regions.add(hri);<a name="line.104"></a>
+<span class="sourceLineNo">105</span>      regionServerMap.put(hri, null);<a
name="line.105"></a>
+<span class="sourceLineNo">106</span>    }<a name="line.106"></a>
+<span class="sourceLineNo">107</span><a name="line.107"></a>
+<span class="sourceLineNo">108</span>    // servers<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    servers = new ArrayList&lt;&gt;(numServers);<a
name="line.109"></a>
+<span class="sourceLineNo">110</span>    serverRegionMap = new HashMap&lt;&gt;(numServers);<a
name="line.110"></a>
+<span class="sourceLineNo">111</span>    for (int i = 0; i &lt; numServers;
++i) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span>      ServerName sn = ServerName.valueOf("srv"
+ i, HConstants.DEFAULT_REGIONSERVER_PORT, i);<a name="line.112"></a>
+<span class="sourceLineNo">113</span>      servers.add(sn);<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      serverRegionMap.put(sn, i == 0 ? regions
: Collections.emptyList());<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    }<a name="line.115"></a>
+<span class="sourceLineNo">116</span>  }<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span>  @Override<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  protected void addOptions() {<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    addOption(NUM_REGIONS_OPT);<a name="line.120"></a>
+<span class="sourceLineNo">121</span>    addOption(NUM_SERVERS_OPT);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    addOption(LOAD_BALANCER_OPT);<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>  @Override<a name="line.125"></a>
+<span class="sourceLineNo">126</span>  protected void processOptions(CommandLine
cmd) {<a name="line.126"></a>
+<span class="sourceLineNo">127</span>    numRegions = getOptionAsInt(cmd, NUM_REGIONS_OPT.getOpt(),
DEFAULT_NUM_REGIONS);<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    Preconditions.checkArgument(numRegions
&gt; 0, "Invalid number of regions!");<a name="line.128"></a>
+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span>    numServers = getOptionAsInt(cmd, NUM_SERVERS_OPT.getOpt(),
DEFAULT_NUM_SERVERS);<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    Preconditions.checkArgument(numServers
&gt; 0, "Invalid number of servers!");<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span>    loadBalancerType = cmd.getOptionValue(LOAD_BALANCER_OPT.getOpt(),
DEFAULT_LOAD_BALANCER);<a name="line.133"></a>
+<span class="sourceLineNo">134</span>    Preconditions.checkArgument(!loadBalancerType.isEmpty(),
"Invalid load balancer type!");<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span>    try {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>      loadBalancerClazz = Class.forName(loadBalancerType);<a
name="line.137"></a>
+<span class="sourceLineNo">138</span>    } catch (ClassNotFoundException e) {<a
name="line.138"></a>
+<span class="sourceLineNo">139</span>      System.err.println("Class '" + loadBalancerType
+ "' not found!");<a name="line.139"></a>
+<span class="sourceLineNo">140</span>      System.exit(1);<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    }<a name="line.141"></a>
+<span class="sourceLineNo">142</span><a name="line.142"></a>
+<span class="sourceLineNo">143</span>    setupConf();<a name="line.143"></a>
+<span class="sourceLineNo">144</span>  }<a name="line.144"></a>
+<span class="sourceLineNo">145</span><a name="line.145"></a>
+<span class="sourceLineNo">146</span>  private String formatResults(final String
methodName, final long timeMillis) {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    return String.format("Time for %-25s:
%dms%n", methodName, timeMillis);<a name="line.147"></a>
+<span class="sourceLineNo">148</span>  }<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>  @Override<a name="line.150"></a>
+<span class="sourceLineNo">151</span>  protected int doWork() throws Exception
{<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    generateRegionsAndServers();<a name="line.152"></a>
+<span class="sourceLineNo">153</span><a name="line.153"></a>
+<span class="sourceLineNo">154</span>    String methodName = "roundRobinAssignment";<a
name="line.154"></a>
+<span class="sourceLineNo">155</span>    LOG.info("Calling " + methodName);<a
name="line.155"></a>
+<span class="sourceLineNo">156</span>    Stopwatch watch = new Stopwatch().start();<a
name="line.156"></a>
+<span class="sourceLineNo">157</span>    loadBalancer.roundRobinAssignment(regions,
servers);<a name="line.157"></a>
+<span class="sourceLineNo">158</span>    System.out.print(formatResults(methodName,
watch.elapsedMillis()));<a name="line.158"></a>
+<span class="sourceLineNo">159</span><a name="line.159"></a>
+<span class="sourceLineNo">160</span>    methodName = "retainAssignment";<a
name="line.160"></a>
+<span class="sourceLineNo">161</span>    LOG.info("Calling " + methodName);<a
name="line.161"></a>
+<span class="sourceLineNo">162</span>    watch.reset().start();<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    loadBalancer.retainAssignment(regionServerMap,
servers);<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    System.out.print(formatResults(methodName,
watch.elapsedMillis()));<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span>    methodName = "balanceCluster";<a
name="line.166"></a>
+<span class="sourceLineNo">167</span>    LOG.info("Calling " + methodName);<a
name="line.167"></a>
+<span class="sourceLineNo">168</span>    watch.reset().start();<a name="line.168"></a>
+<span class="sourceLineNo">169</span>    loadBalancer.balanceCluster(serverRegionMap);<a
name="line.169"></a>
+<span class="sourceLineNo">170</span>    System.out.print(formatResults(methodName,
watch.elapsedMillis()));<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span>    return EXIT_SUCCESS;<a name="line.172"></a>
+<span class="sourceLineNo">173</span>  }<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span>  public static void main(String[] args)
throws IOException {<a name="line.175"></a>
+<span class="sourceLineNo">176</span>    LoadBalancerPerformanceEvaluation tool
= new LoadBalancerPerformanceEvaluation();<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    tool.setConf(UTIL.getConfiguration());<a
name="line.177"></a>
+<span class="sourceLineNo">178</span>    tool.run(args);<a name="line.178"></a>
+<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
+<span class="sourceLineNo">180</span>}<a name="line.180"></a>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+</pre>
+</div>
+</body>
+</html>


Mime
View raw message