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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;</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.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.fs.FSDataInputStream;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.ResultScanner;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.TableSnapshotScanner;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.metrics.ScanMetrics;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.io.ImmutableBytesWritable;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.mapreduce.TableMapper;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.AbstractHBaseTool;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.io.NullWritable;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.mapreduce.Counters;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.mapreduce.Job;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.util.StringUtils;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.util.ToolRunner;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hbase.thirdparty.com.google.common.base.Stopwatch;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50">/**</span> |
| <span class="source-line-no">051</span><span id="line-51"> * A simple performance evaluation tool for single client and MR scans and snapshot scans.</span> |
| <span class="source-line-no">052</span><span id="line-52"> */</span> |
| <span class="source-line-no">053</span><span id="line-53">@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)</span> |
| <span class="source-line-no">054</span><span id="line-54">public class ScanPerformanceEvaluation extends AbstractHBaseTool {</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static final String HBASE_COUNTER_GROUP_NAME = "HBaseCounters";</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> private String type;</span> |
| <span class="source-line-no">059</span><span id="line-59"> private String file;</span> |
| <span class="source-line-no">060</span><span id="line-60"> private String tablename;</span> |
| <span class="source-line-no">061</span><span id="line-61"> private String snapshotName;</span> |
| <span class="source-line-no">062</span><span id="line-62"> private String restoreDir;</span> |
| <span class="source-line-no">063</span><span id="line-63"> private String caching;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> @Override</span> |
| <span class="source-line-no">066</span><span id="line-66"> public void setConf(Configuration conf) {</span> |
| <span class="source-line-no">067</span><span id="line-67"> super.setConf(conf);</span> |
| <span class="source-line-no">068</span><span id="line-68"> Path rootDir;</span> |
| <span class="source-line-no">069</span><span id="line-69"> try {</span> |
| <span class="source-line-no">070</span><span id="line-70"> rootDir = CommonFSUtils.getRootDir(conf);</span> |
| <span class="source-line-no">071</span><span id="line-71"> rootDir.getFileSystem(conf);</span> |
| <span class="source-line-no">072</span><span id="line-72"> } catch (IOException ex) {</span> |
| <span class="source-line-no">073</span><span id="line-73"> throw new RuntimeException(ex);</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> @Override</span> |
| <span class="source-line-no">078</span><span id="line-78"> protected void addOptions() {</span> |
| <span class="source-line-no">079</span><span id="line-79"> this.addRequiredOptWithArg("t", "type",</span> |
| <span class="source-line-no">080</span><span id="line-80"> "the type of the test. One of the following: streaming|scan|snapshotscan|scanmapreduce|snapshotscanmapreduce");</span> |
| <span class="source-line-no">081</span><span id="line-81"> this.addOptWithArg("f", "file", "the filename to read from");</span> |
| <span class="source-line-no">082</span><span id="line-82"> this.addOptWithArg("tn", "table", "the tablename to read from");</span> |
| <span class="source-line-no">083</span><span id="line-83"> this.addOptWithArg("sn", "snapshot", "the snapshot name to read from");</span> |
| <span class="source-line-no">084</span><span id="line-84"> this.addOptWithArg("rs", "restoredir", "the directory to restore the snapshot");</span> |
| <span class="source-line-no">085</span><span id="line-85"> this.addOptWithArg("ch", "caching", "scanner caching value");</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> @Override</span> |
| <span class="source-line-no">089</span><span id="line-89"> protected void processOptions(CommandLine cmd) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> type = cmd.getOptionValue("type");</span> |
| <span class="source-line-no">091</span><span id="line-91"> file = cmd.getOptionValue("file");</span> |
| <span class="source-line-no">092</span><span id="line-92"> tablename = cmd.getOptionValue("table");</span> |
| <span class="source-line-no">093</span><span id="line-93"> snapshotName = cmd.getOptionValue("snapshot");</span> |
| <span class="source-line-no">094</span><span id="line-94"> restoreDir = cmd.getOptionValue("restoredir");</span> |
| <span class="source-line-no">095</span><span id="line-95"> caching = cmd.getOptionValue("caching");</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> protected void testHdfsStreaming(Path filename) throws IOException {</span> |
| <span class="source-line-no">099</span><span id="line-99"> byte[] buf = new byte[1024];</span> |
| <span class="source-line-no">100</span><span id="line-100"> FileSystem fs = filename.getFileSystem(getConf());</span> |
| <span class="source-line-no">101</span><span id="line-101"></span> |
| <span class="source-line-no">102</span><span id="line-102"> // read the file from start to finish</span> |
| <span class="source-line-no">103</span><span id="line-103"> Stopwatch fileOpenTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">104</span><span id="line-104"> Stopwatch streamTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> fileOpenTimer.start();</span> |
| <span class="source-line-no">107</span><span id="line-107"> FSDataInputStream in = fs.open(filename);</span> |
| <span class="source-line-no">108</span><span id="line-108"> fileOpenTimer.stop();</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> long totalBytes = 0;</span> |
| <span class="source-line-no">111</span><span id="line-111"> streamTimer.start();</span> |
| <span class="source-line-no">112</span><span id="line-112"> while (true) {</span> |
| <span class="source-line-no">113</span><span id="line-113"> int read = in.read(buf);</span> |
| <span class="source-line-no">114</span><span id="line-114"> if (read < 0) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> break;</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> totalBytes += read;</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"> streamTimer.stop();</span> |
| <span class="source-line-no">120</span><span id="line-120"></span> |
| <span class="source-line-no">121</span><span id="line-121"> double throughput = (double) totalBytes / streamTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">122</span><span id="line-122"></span> |
| <span class="source-line-no">123</span><span id="line-123"> System.out.println("HDFS streaming: ");</span> |
| <span class="source-line-no">124</span><span id="line-124"> System.out</span> |
| <span class="source-line-no">125</span><span id="line-125"> .println("total time to open: " + fileOpenTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">126</span><span id="line-126"> System.out.println("total time to read: " + streamTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">127</span><span id="line-127"> System.out.println(</span> |
| <span class="source-line-no">128</span><span id="line-128"> "total bytes: " + totalBytes + " bytes (" + StringUtils.humanReadableInt(totalBytes) + ")");</span> |
| <span class="source-line-no">129</span><span id="line-129"> System.out.println("throghput : " + StringUtils.humanReadableInt((long) throughput) + "B/s");</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> private Scan getScan() {</span> |
| <span class="source-line-no">133</span><span id="line-133"> Scan scan = new Scan(); // default scan settings</span> |
| <span class="source-line-no">134</span><span id="line-134"> scan.setCacheBlocks(false);</span> |
| <span class="source-line-no">135</span><span id="line-135"> scan.readVersions(1);</span> |
| <span class="source-line-no">136</span><span id="line-136"> scan.setScanMetricsEnabled(true);</span> |
| <span class="source-line-no">137</span><span id="line-137"> if (caching != null) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> scan.setCaching(Integer.parseInt(caching));</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> return scan;</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"></span> |
| <span class="source-line-no">144</span><span id="line-144"> public void testScan() throws IOException {</span> |
| <span class="source-line-no">145</span><span id="line-145"> Stopwatch tableOpenTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">146</span><span id="line-146"> Stopwatch scanOpenTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">147</span><span id="line-147"> Stopwatch scanTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> tableOpenTimer.start();</span> |
| <span class="source-line-no">150</span><span id="line-150"> Connection connection = ConnectionFactory.createConnection(getConf());</span> |
| <span class="source-line-no">151</span><span id="line-151"> Table table = connection.getTable(TableName.valueOf(tablename));</span> |
| <span class="source-line-no">152</span><span id="line-152"> tableOpenTimer.stop();</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> Scan scan = getScan();</span> |
| <span class="source-line-no">155</span><span id="line-155"> scanOpenTimer.start();</span> |
| <span class="source-line-no">156</span><span id="line-156"> ResultScanner scanner = table.getScanner(scan);</span> |
| <span class="source-line-no">157</span><span id="line-157"> scanOpenTimer.stop();</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> long numRows = 0;</span> |
| <span class="source-line-no">160</span><span id="line-160"> long numCells = 0;</span> |
| <span class="source-line-no">161</span><span id="line-161"> scanTimer.start();</span> |
| <span class="source-line-no">162</span><span id="line-162"> while (true) {</span> |
| <span class="source-line-no">163</span><span id="line-163"> Result result = scanner.next();</span> |
| <span class="source-line-no">164</span><span id="line-164"> if (result == null) {</span> |
| <span class="source-line-no">165</span><span id="line-165"> break;</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"> numRows++;</span> |
| <span class="source-line-no">168</span><span id="line-168"></span> |
| <span class="source-line-no">169</span><span id="line-169"> numCells += result.rawCells().length;</span> |
| <span class="source-line-no">170</span><span id="line-170"> }</span> |
| <span class="source-line-no">171</span><span id="line-171"> scanTimer.stop();</span> |
| <span class="source-line-no">172</span><span id="line-172"> scanner.close();</span> |
| <span class="source-line-no">173</span><span id="line-173"> table.close();</span> |
| <span class="source-line-no">174</span><span id="line-174"> connection.close();</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> ScanMetrics metrics = scanner.getScanMetrics();</span> |
| <span class="source-line-no">177</span><span id="line-177"> long totalBytes = metrics.countOfBytesInResults.get();</span> |
| <span class="source-line-no">178</span><span id="line-178"> double throughput = (double) totalBytes / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">179</span><span id="line-179"> double throughputRows = (double) numRows / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">180</span><span id="line-180"> double throughputCells = (double) numCells / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">181</span><span id="line-181"></span> |
| <span class="source-line-no">182</span><span id="line-182"> System.out.println("HBase scan: ");</span> |
| <span class="source-line-no">183</span><span id="line-183"> System.out.println(</span> |
| <span class="source-line-no">184</span><span id="line-184"> "total time to open table: " + tableOpenTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">185</span><span id="line-185"> System.out.println(</span> |
| <span class="source-line-no">186</span><span id="line-186"> "total time to open scanner: " + scanOpenTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">187</span><span id="line-187"> System.out.println("total time to scan: " + scanTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">188</span><span id="line-188"></span> |
| <span class="source-line-no">189</span><span id="line-189"> System.out.println("Scan metrics:\n" + metrics.getMetricsMap());</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> System.out.println(</span> |
| <span class="source-line-no">192</span><span id="line-192"> "total bytes: " + totalBytes + " bytes (" + StringUtils.humanReadableInt(totalBytes) + ")");</span> |
| <span class="source-line-no">193</span><span id="line-193"> System.out.println("throughput : " + StringUtils.humanReadableInt((long) throughput) + "B/s");</span> |
| <span class="source-line-no">194</span><span id="line-194"> System.out.println("total rows : " + numRows);</span> |
| <span class="source-line-no">195</span><span id="line-195"> System.out</span> |
| <span class="source-line-no">196</span><span id="line-196"> .println("throughput : " + StringUtils.humanReadableInt((long) throughputRows) + " rows/s");</span> |
| <span class="source-line-no">197</span><span id="line-197"> System.out.println("total cells : " + numCells);</span> |
| <span class="source-line-no">198</span><span id="line-198"> System.out.println(</span> |
| <span class="source-line-no">199</span><span id="line-199"> "throughput : " + StringUtils.humanReadableInt((long) throughputCells) + " cells/s");</span> |
| <span class="source-line-no">200</span><span id="line-200"> }</span> |
| <span class="source-line-no">201</span><span id="line-201"></span> |
| <span class="source-line-no">202</span><span id="line-202"> public void testSnapshotScan() throws IOException {</span> |
| <span class="source-line-no">203</span><span id="line-203"> Stopwatch snapshotRestoreTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">204</span><span id="line-204"> Stopwatch scanOpenTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">205</span><span id="line-205"> Stopwatch scanTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">206</span><span id="line-206"></span> |
| <span class="source-line-no">207</span><span id="line-207"> Path restoreDir = new Path(this.restoreDir);</span> |
| <span class="source-line-no">208</span><span id="line-208"></span> |
| <span class="source-line-no">209</span><span id="line-209"> snapshotRestoreTimer.start();</span> |
| <span class="source-line-no">210</span><span id="line-210"> restoreDir.getFileSystem(conf).delete(restoreDir, true);</span> |
| <span class="source-line-no">211</span><span id="line-211"> snapshotRestoreTimer.stop();</span> |
| <span class="source-line-no">212</span><span id="line-212"></span> |
| <span class="source-line-no">213</span><span id="line-213"> Scan scan = getScan();</span> |
| <span class="source-line-no">214</span><span id="line-214"> scanOpenTimer.start();</span> |
| <span class="source-line-no">215</span><span id="line-215"> TableSnapshotScanner scanner = new TableSnapshotScanner(conf, restoreDir, snapshotName, scan);</span> |
| <span class="source-line-no">216</span><span id="line-216"> scanOpenTimer.stop();</span> |
| <span class="source-line-no">217</span><span id="line-217"></span> |
| <span class="source-line-no">218</span><span id="line-218"> long numRows = 0;</span> |
| <span class="source-line-no">219</span><span id="line-219"> long numCells = 0;</span> |
| <span class="source-line-no">220</span><span id="line-220"> scanTimer.start();</span> |
| <span class="source-line-no">221</span><span id="line-221"> while (true) {</span> |
| <span class="source-line-no">222</span><span id="line-222"> Result result = scanner.next();</span> |
| <span class="source-line-no">223</span><span id="line-223"> if (result == null) {</span> |
| <span class="source-line-no">224</span><span id="line-224"> break;</span> |
| <span class="source-line-no">225</span><span id="line-225"> }</span> |
| <span class="source-line-no">226</span><span id="line-226"> numRows++;</span> |
| <span class="source-line-no">227</span><span id="line-227"></span> |
| <span class="source-line-no">228</span><span id="line-228"> numCells += result.rawCells().length;</span> |
| <span class="source-line-no">229</span><span id="line-229"> }</span> |
| <span class="source-line-no">230</span><span id="line-230"> scanTimer.stop();</span> |
| <span class="source-line-no">231</span><span id="line-231"> scanner.close();</span> |
| <span class="source-line-no">232</span><span id="line-232"></span> |
| <span class="source-line-no">233</span><span id="line-233"> ScanMetrics metrics = scanner.getScanMetrics();</span> |
| <span class="source-line-no">234</span><span id="line-234"> long totalBytes = metrics.countOfBytesInResults.get();</span> |
| <span class="source-line-no">235</span><span id="line-235"> double throughput = (double) totalBytes / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">236</span><span id="line-236"> double throughputRows = (double) numRows / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">237</span><span id="line-237"> double throughputCells = (double) numCells / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">238</span><span id="line-238"></span> |
| <span class="source-line-no">239</span><span id="line-239"> System.out.println("HBase scan snapshot: ");</span> |
| <span class="source-line-no">240</span><span id="line-240"> System.out.println("total time to restore snapshot: "</span> |
| <span class="source-line-no">241</span><span id="line-241"> + snapshotRestoreTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">242</span><span id="line-242"> System.out.println(</span> |
| <span class="source-line-no">243</span><span id="line-243"> "total time to open scanner: " + scanOpenTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">244</span><span id="line-244"> System.out.println("total time to scan: " + scanTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">245</span><span id="line-245"></span> |
| <span class="source-line-no">246</span><span id="line-246"> System.out.println("Scan metrics:\n" + metrics.getMetricsMap());</span> |
| <span class="source-line-no">247</span><span id="line-247"></span> |
| <span class="source-line-no">248</span><span id="line-248"> System.out.println(</span> |
| <span class="source-line-no">249</span><span id="line-249"> "total bytes: " + totalBytes + " bytes (" + StringUtils.humanReadableInt(totalBytes) + ")");</span> |
| <span class="source-line-no">250</span><span id="line-250"> System.out.println("throughput : " + StringUtils.humanReadableInt((long) throughput) + "B/s");</span> |
| <span class="source-line-no">251</span><span id="line-251"> System.out.println("total rows : " + numRows);</span> |
| <span class="source-line-no">252</span><span id="line-252"> System.out</span> |
| <span class="source-line-no">253</span><span id="line-253"> .println("throughput : " + StringUtils.humanReadableInt((long) throughputRows) + " rows/s");</span> |
| <span class="source-line-no">254</span><span id="line-254"> System.out.println("total cells : " + numCells);</span> |
| <span class="source-line-no">255</span><span id="line-255"> System.out.println(</span> |
| <span class="source-line-no">256</span><span id="line-256"> "throughput : " + StringUtils.humanReadableInt((long) throughputCells) + " cells/s");</span> |
| <span class="source-line-no">257</span><span id="line-257"></span> |
| <span class="source-line-no">258</span><span id="line-258"> }</span> |
| <span class="source-line-no">259</span><span id="line-259"></span> |
| <span class="source-line-no">260</span><span id="line-260"> public static enum ScanCounter {</span> |
| <span class="source-line-no">261</span><span id="line-261"> NUM_ROWS,</span> |
| <span class="source-line-no">262</span><span id="line-262"> NUM_CELLS,</span> |
| <span class="source-line-no">263</span><span id="line-263"> }</span> |
| <span class="source-line-no">264</span><span id="line-264"></span> |
| <span class="source-line-no">265</span><span id="line-265"> public static class MyMapper<KEYOUT, VALUEOUT> extends TableMapper<KEYOUT, VALUEOUT> {</span> |
| <span class="source-line-no">266</span><span id="line-266"> @Override</span> |
| <span class="source-line-no">267</span><span id="line-267"> protected void map(ImmutableBytesWritable key, Result value, Context context)</span> |
| <span class="source-line-no">268</span><span id="line-268"> throws IOException, InterruptedException {</span> |
| <span class="source-line-no">269</span><span id="line-269"> context.getCounter(ScanCounter.NUM_ROWS).increment(1);</span> |
| <span class="source-line-no">270</span><span id="line-270"> context.getCounter(ScanCounter.NUM_CELLS).increment(value.rawCells().length);</span> |
| <span class="source-line-no">271</span><span id="line-271"> }</span> |
| <span class="source-line-no">272</span><span id="line-272"> }</span> |
| <span class="source-line-no">273</span><span id="line-273"></span> |
| <span class="source-line-no">274</span><span id="line-274"> public void testScanMapReduce() throws IOException, InterruptedException, ClassNotFoundException {</span> |
| <span class="source-line-no">275</span><span id="line-275"> Stopwatch scanOpenTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">276</span><span id="line-276"> Stopwatch scanTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">277</span><span id="line-277"></span> |
| <span class="source-line-no">278</span><span id="line-278"> Scan scan = getScan();</span> |
| <span class="source-line-no">279</span><span id="line-279"></span> |
| <span class="source-line-no">280</span><span id="line-280"> String jobName = "testScanMapReduce";</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> Job job = new Job(conf);</span> |
| <span class="source-line-no">283</span><span id="line-283"> job.setJobName(jobName);</span> |
| <span class="source-line-no">284</span><span id="line-284"></span> |
| <span class="source-line-no">285</span><span id="line-285"> job.setJarByClass(getClass());</span> |
| <span class="source-line-no">286</span><span id="line-286"></span> |
| <span class="source-line-no">287</span><span id="line-287"> TableMapReduceUtil.initTableMapperJob(this.tablename, scan, MyMapper.class, NullWritable.class,</span> |
| <span class="source-line-no">288</span><span id="line-288"> NullWritable.class, job);</span> |
| <span class="source-line-no">289</span><span id="line-289"></span> |
| <span class="source-line-no">290</span><span id="line-290"> job.setNumReduceTasks(0);</span> |
| <span class="source-line-no">291</span><span id="line-291"> job.setOutputKeyClass(NullWritable.class);</span> |
| <span class="source-line-no">292</span><span id="line-292"> job.setOutputValueClass(NullWritable.class);</span> |
| <span class="source-line-no">293</span><span id="line-293"> job.setOutputFormatClass(NullOutputFormat.class);</span> |
| <span class="source-line-no">294</span><span id="line-294"></span> |
| <span class="source-line-no">295</span><span id="line-295"> scanTimer.start();</span> |
| <span class="source-line-no">296</span><span id="line-296"> job.waitForCompletion(true);</span> |
| <span class="source-line-no">297</span><span id="line-297"> scanTimer.stop();</span> |
| <span class="source-line-no">298</span><span id="line-298"></span> |
| <span class="source-line-no">299</span><span id="line-299"> Counters counters = job.getCounters();</span> |
| <span class="source-line-no">300</span><span id="line-300"> long numRows = counters.findCounter(ScanCounter.NUM_ROWS).getValue();</span> |
| <span class="source-line-no">301</span><span id="line-301"> long numCells = counters.findCounter(ScanCounter.NUM_CELLS).getValue();</span> |
| <span class="source-line-no">302</span><span id="line-302"></span> |
| <span class="source-line-no">303</span><span id="line-303"> long totalBytes = counters.findCounter(HBASE_COUNTER_GROUP_NAME, "BYTES_IN_RESULTS").getValue();</span> |
| <span class="source-line-no">304</span><span id="line-304"> double throughput = (double) totalBytes / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">305</span><span id="line-305"> double throughputRows = (double) numRows / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">306</span><span id="line-306"> double throughputCells = (double) numCells / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">307</span><span id="line-307"></span> |
| <span class="source-line-no">308</span><span id="line-308"> System.out.println("HBase scan mapreduce: ");</span> |
| <span class="source-line-no">309</span><span id="line-309"> System.out.println(</span> |
| <span class="source-line-no">310</span><span id="line-310"> "total time to open scanner: " + scanOpenTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">311</span><span id="line-311"> System.out.println("total time to scan: " + scanTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">312</span><span id="line-312"></span> |
| <span class="source-line-no">313</span><span id="line-313"> System.out.println(</span> |
| <span class="source-line-no">314</span><span id="line-314"> "total bytes: " + totalBytes + " bytes (" + StringUtils.humanReadableInt(totalBytes) + ")");</span> |
| <span class="source-line-no">315</span><span id="line-315"> System.out.println("throughput : " + StringUtils.humanReadableInt((long) throughput) + "B/s");</span> |
| <span class="source-line-no">316</span><span id="line-316"> System.out.println("total rows : " + numRows);</span> |
| <span class="source-line-no">317</span><span id="line-317"> System.out</span> |
| <span class="source-line-no">318</span><span id="line-318"> .println("throughput : " + StringUtils.humanReadableInt((long) throughputRows) + " rows/s");</span> |
| <span class="source-line-no">319</span><span id="line-319"> System.out.println("total cells : " + numCells);</span> |
| <span class="source-line-no">320</span><span id="line-320"> System.out.println(</span> |
| <span class="source-line-no">321</span><span id="line-321"> "throughput : " + StringUtils.humanReadableInt((long) throughputCells) + " cells/s");</span> |
| <span class="source-line-no">322</span><span id="line-322"> }</span> |
| <span class="source-line-no">323</span><span id="line-323"></span> |
| <span class="source-line-no">324</span><span id="line-324"> public void testSnapshotScanMapReduce()</span> |
| <span class="source-line-no">325</span><span id="line-325"> throws IOException, InterruptedException, ClassNotFoundException {</span> |
| <span class="source-line-no">326</span><span id="line-326"> Stopwatch scanOpenTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">327</span><span id="line-327"> Stopwatch scanTimer = Stopwatch.createUnstarted();</span> |
| <span class="source-line-no">328</span><span id="line-328"></span> |
| <span class="source-line-no">329</span><span id="line-329"> Scan scan = getScan();</span> |
| <span class="source-line-no">330</span><span id="line-330"></span> |
| <span class="source-line-no">331</span><span id="line-331"> String jobName = "testSnapshotScanMapReduce";</span> |
| <span class="source-line-no">332</span><span id="line-332"></span> |
| <span class="source-line-no">333</span><span id="line-333"> Job job = new Job(conf);</span> |
| <span class="source-line-no">334</span><span id="line-334"> job.setJobName(jobName);</span> |
| <span class="source-line-no">335</span><span id="line-335"></span> |
| <span class="source-line-no">336</span><span id="line-336"> job.setJarByClass(getClass());</span> |
| <span class="source-line-no">337</span><span id="line-337"></span> |
| <span class="source-line-no">338</span><span id="line-338"> TableMapReduceUtil.initTableSnapshotMapperJob(this.snapshotName, scan, MyMapper.class,</span> |
| <span class="source-line-no">339</span><span id="line-339"> NullWritable.class, NullWritable.class, job, true, new Path(restoreDir));</span> |
| <span class="source-line-no">340</span><span id="line-340"></span> |
| <span class="source-line-no">341</span><span id="line-341"> job.setNumReduceTasks(0);</span> |
| <span class="source-line-no">342</span><span id="line-342"> job.setOutputKeyClass(NullWritable.class);</span> |
| <span class="source-line-no">343</span><span id="line-343"> job.setOutputValueClass(NullWritable.class);</span> |
| <span class="source-line-no">344</span><span id="line-344"> job.setOutputFormatClass(NullOutputFormat.class);</span> |
| <span class="source-line-no">345</span><span id="line-345"></span> |
| <span class="source-line-no">346</span><span id="line-346"> scanTimer.start();</span> |
| <span class="source-line-no">347</span><span id="line-347"> job.waitForCompletion(true);</span> |
| <span class="source-line-no">348</span><span id="line-348"> scanTimer.stop();</span> |
| <span class="source-line-no">349</span><span id="line-349"></span> |
| <span class="source-line-no">350</span><span id="line-350"> Counters counters = job.getCounters();</span> |
| <span class="source-line-no">351</span><span id="line-351"> long numRows = counters.findCounter(ScanCounter.NUM_ROWS).getValue();</span> |
| <span class="source-line-no">352</span><span id="line-352"> long numCells = counters.findCounter(ScanCounter.NUM_CELLS).getValue();</span> |
| <span class="source-line-no">353</span><span id="line-353"></span> |
| <span class="source-line-no">354</span><span id="line-354"> long totalBytes = counters.findCounter(HBASE_COUNTER_GROUP_NAME, "BYTES_IN_RESULTS").getValue();</span> |
| <span class="source-line-no">355</span><span id="line-355"> double throughput = (double) totalBytes / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">356</span><span id="line-356"> double throughputRows = (double) numRows / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">357</span><span id="line-357"> double throughputCells = (double) numCells / scanTimer.elapsed(TimeUnit.SECONDS);</span> |
| <span class="source-line-no">358</span><span id="line-358"></span> |
| <span class="source-line-no">359</span><span id="line-359"> System.out.println("HBase scan mapreduce: ");</span> |
| <span class="source-line-no">360</span><span id="line-360"> System.out.println(</span> |
| <span class="source-line-no">361</span><span id="line-361"> "total time to open scanner: " + scanOpenTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">362</span><span id="line-362"> System.out.println("total time to scan: " + scanTimer.elapsed(TimeUnit.MILLISECONDS) + " ms");</span> |
| <span class="source-line-no">363</span><span id="line-363"></span> |
| <span class="source-line-no">364</span><span id="line-364"> System.out.println(</span> |
| <span class="source-line-no">365</span><span id="line-365"> "total bytes: " + totalBytes + " bytes (" + StringUtils.humanReadableInt(totalBytes) + ")");</span> |
| <span class="source-line-no">366</span><span id="line-366"> System.out.println("throughput : " + StringUtils.humanReadableInt((long) throughput) + "B/s");</span> |
| <span class="source-line-no">367</span><span id="line-367"> System.out.println("total rows : " + numRows);</span> |
| <span class="source-line-no">368</span><span id="line-368"> System.out</span> |
| <span class="source-line-no">369</span><span id="line-369"> .println("throughput : " + StringUtils.humanReadableInt((long) throughputRows) + " rows/s");</span> |
| <span class="source-line-no">370</span><span id="line-370"> System.out.println("total cells : " + numCells);</span> |
| <span class="source-line-no">371</span><span id="line-371"> System.out.println(</span> |
| <span class="source-line-no">372</span><span id="line-372"> "throughput : " + StringUtils.humanReadableInt((long) throughputCells) + " cells/s");</span> |
| <span class="source-line-no">373</span><span id="line-373"> }</span> |
| <span class="source-line-no">374</span><span id="line-374"></span> |
| <span class="source-line-no">375</span><span id="line-375"> @Override</span> |
| <span class="source-line-no">376</span><span id="line-376"> protected int doWork() throws Exception {</span> |
| <span class="source-line-no">377</span><span id="line-377"> if (type.equals("streaming")) {</span> |
| <span class="source-line-no">378</span><span id="line-378"> testHdfsStreaming(new Path(file));</span> |
| <span class="source-line-no">379</span><span id="line-379"> } else if (type.equals("scan")) {</span> |
| <span class="source-line-no">380</span><span id="line-380"> testScan();</span> |
| <span class="source-line-no">381</span><span id="line-381"> } else if (type.equals("snapshotscan")) {</span> |
| <span class="source-line-no">382</span><span id="line-382"> testSnapshotScan();</span> |
| <span class="source-line-no">383</span><span id="line-383"> } else if (type.equals("scanmapreduce")) {</span> |
| <span class="source-line-no">384</span><span id="line-384"> testScanMapReduce();</span> |
| <span class="source-line-no">385</span><span id="line-385"> } else if (type.equals("snapshotscanmapreduce")) {</span> |
| <span class="source-line-no">386</span><span id="line-386"> testSnapshotScanMapReduce();</span> |
| <span class="source-line-no">387</span><span id="line-387"> }</span> |
| <span class="source-line-no">388</span><span id="line-388"> return 0;</span> |
| <span class="source-line-no">389</span><span id="line-389"> }</span> |
| <span class="source-line-no">390</span><span id="line-390"></span> |
| <span class="source-line-no">391</span><span id="line-391"> public static void main(String[] args) throws Exception {</span> |
| <span class="source-line-no">392</span><span id="line-392"> int ret = ToolRunner.run(HBaseConfiguration.create(), new ScanPerformanceEvaluation(), args);</span> |
| <span class="source-line-no">393</span><span id="line-393"> System.exit(ret);</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> |
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