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From git-site-r...@apache.org
Subject [01/38] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Wed, 28 Jun 2017 15:01:05 GMT
Repository: hbase-site
Updated Branches:
  refs/heads/asf-site 428691c0e -> 2848f4319


http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2848f431/testdevapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TestMultiTableHFileOutputFormat.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TestMultiTableHFileOutputFormat.html
b/testdevapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TestMultiTableHFileOutputFormat.html
deleted file mode 100644
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--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/mapreduce/TestMultiTableHFileOutputFormat.html
+++ /dev/null
@@ -1,454 +0,0 @@
-<!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>package org.apache.hadoop.hbase.mapreduce;<a
name="line.18"></a>
-<span class="sourceLineNo">019</span><a name="line.19"></a>
-<span class="sourceLineNo">020</span>import static org.junit.Assert.assertTrue;<a
name="line.20"></a>
-<span class="sourceLineNo">021</span><a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.util.Arrays;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.Collections;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.Random;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.TreeSet;<a name="line.28"></a>
-<span class="sourceLineNo">029</span><a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.commons.logging.Log;<a
name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.commons.logging.LogFactory;<a
name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.conf.Configuration;<a
name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.FileStatus;<a
name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.fs.FileSystem;<a
name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.Cell;<a
name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CellComparator;<a
name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a
name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a
name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a
name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HTableDescriptor;<a
name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.KeyValue;<a
name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.PerformanceEvaluation;<a
name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.TableName;<a
name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.ImmutableBytesWritable;<a
name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.compress.Compression;<a
name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a
name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.io.hfile.CacheConfig;<a
name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a
name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a
name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Bytes;<a
name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.io.NullWritable;<a
name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.mapred.FileOutputCommitter;<a
name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.mapreduce.Job;<a
name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.mapreduce.Mapper;<a
name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.mapreduce.Reducer;<a
name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a
name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.junit.Test;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.junit.experimental.categories.Category;<a
name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Test for{@link MultiTableHFileOutputFormat}.
Sets up and runs a mapreduce job that output directories and<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * writes hfiles.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> */<a name="line.64"></a>
-<span class="sourceLineNo">065</span>@Category(MediumTests.class)<a name="line.65"></a>
-<span class="sourceLineNo">066</span>public class TestMultiTableHFileOutputFormat
{<a name="line.66"></a>
-<span class="sourceLineNo">067</span>  private static final Log LOG = LogFactory.getLog(TestMultiTableHFileOutputFormat.class);<a
name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>  private HBaseTestingUtility util = new
HBaseTestingUtility();<a name="line.69"></a>
-<span class="sourceLineNo">070</span><a name="line.70"></a>
-<span class="sourceLineNo">071</span>  private static int ROWSPERSPLIT = 10;<a
name="line.71"></a>
-<span class="sourceLineNo">072</span><a name="line.72"></a>
-<span class="sourceLineNo">073</span>  private static final int KEYLEN_DEFAULT
= 10;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  private static final String KEYLEN_CONF
= "randomkv.key.length";<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span>  private static final int VALLEN_DEFAULT
= 10;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>  private static final String VALLEN_CONF
= "randomkv.val.length";<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span>  private static final byte[][] TABLES =<a
name="line.79"></a>
-<span class="sourceLineNo">080</span>      { Bytes.add(Bytes.toBytes(PerformanceEvaluation.TABLE_NAME),
Bytes.toBytes("-1")),<a name="line.80"></a>
-<span class="sourceLineNo">081</span>          Bytes.add(Bytes.toBytes(PerformanceEvaluation.TABLE_NAME),
Bytes.toBytes("-2")) };<a name="line.81"></a>
-<span class="sourceLineNo">082</span><a name="line.82"></a>
-<span class="sourceLineNo">083</span>  private static final byte[][] FAMILIES
=<a name="line.83"></a>
-<span class="sourceLineNo">084</span>      { Bytes.add(PerformanceEvaluation.FAMILY_NAME,
Bytes.toBytes("-A")),<a name="line.84"></a>
-<span class="sourceLineNo">085</span>          Bytes.add(PerformanceEvaluation.FAMILY_NAME,
Bytes.toBytes("-B")) };<a name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span>  private static final byte[] QUALIFIER
= Bytes.toBytes("data");<a name="line.87"></a>
-<span class="sourceLineNo">088</span><a name="line.88"></a>
-<span class="sourceLineNo">089</span>  /**<a name="line.89"></a>
-<span class="sourceLineNo">090</span>   * Run small MR job. this MR job will
write HFile into<a name="line.90"></a>
-<span class="sourceLineNo">091</span>   * testWritingDataIntoHFiles/tableNames/columnFamilies/<a
name="line.91"></a>
-<span class="sourceLineNo">092</span>   */<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  @Test<a name="line.93"></a>
-<span class="sourceLineNo">094</span>  public void testWritingDataIntoHFiles()
throws Exception {<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    Configuration conf = util.getConfiguration();<a
name="line.95"></a>
-<span class="sourceLineNo">096</span>    util.startMiniCluster();<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    Path testDir = util.getDataTestDirOnTestFS("testWritingDataIntoHFiles");<a
name="line.97"></a>
-<span class="sourceLineNo">098</span>    FileSystem fs = testDir.getFileSystem(conf);<a
name="line.98"></a>
-<span class="sourceLineNo">099</span>    LOG.info("testWritingDataIntoHFiles
dir writing to dir: " + testDir);<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span>    // Set down this value or we OOME in
eclipse.<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    conf.setInt("mapreduce.task.io.sort.mb",
20);<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    // Write a few files by setting max
file size.<a name="line.103"></a>
-<span class="sourceLineNo">104</span>    conf.setLong(HConstants.HREGION_MAX_FILESIZE,
64 * 1024);<a name="line.104"></a>
-<span class="sourceLineNo">105</span><a name="line.105"></a>
-<span class="sourceLineNo">106</span>    try {<a name="line.106"></a>
-<span class="sourceLineNo">107</span>      Job job = Job.getInstance(conf, "testWritingDataIntoHFiles");<a
name="line.107"></a>
-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span>      FileOutputFormat.setOutputPath(job,
testDir);<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span>      job.setInputFormatClass(NMapInputFormat.class);<a
name="line.111"></a>
-<span class="sourceLineNo">112</span>      job.setMapperClass(Random_TableKV_GeneratingMapper.class);<a
name="line.112"></a>
-<span class="sourceLineNo">113</span>      job.setMapOutputKeyClass(ImmutableBytesWritable.class);<a
name="line.113"></a>
-<span class="sourceLineNo">114</span>      job.setMapOutputValueClass(KeyValue.class);<a
name="line.114"></a>
-<span class="sourceLineNo">115</span>      job.setReducerClass(Table_KeyValueSortReducer.class);<a
name="line.115"></a>
-<span class="sourceLineNo">116</span>      job.setOutputFormatClass(MultiTableHFileOutputFormat.class);<a
name="line.116"></a>
-<span class="sourceLineNo">117</span>      job.getConfiguration().setStrings("io.serializations",
conf.get("io.serializations"),<a name="line.117"></a>
-<span class="sourceLineNo">118</span>          MutationSerialization.class.getName(),
ResultSerialization.class.getName(),<a name="line.118"></a>
-<span class="sourceLineNo">119</span>          KeyValueSerialization.class.getName());<a
name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span>      TableMapReduceUtil.addDependencyJars(job);<a
name="line.121"></a>
-<span class="sourceLineNo">122</span>      TableMapReduceUtil.initCredentials(job);<a
name="line.122"></a>
-<span class="sourceLineNo">123</span>      LOG.info("\nStarting test testWritingDataIntoHFiles\n");<a
name="line.123"></a>
-<span class="sourceLineNo">124</span>      assertTrue(job.waitForCompletion(true));<a
name="line.124"></a>
-<span class="sourceLineNo">125</span>      LOG.info("\nWaiting on checking MapReduce
output\n");<a name="line.125"></a>
-<span class="sourceLineNo">126</span>      assertTrue(checkMROutput(fs, testDir,
0));<a name="line.126"></a>
-<span class="sourceLineNo">127</span>    } finally {<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      testDir.getFileSystem(conf).delete(testDir,
true);<a name="line.128"></a>
-<span class="sourceLineNo">129</span>      util.shutdownMiniCluster();<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    }<a name="line.130"></a>
-<span class="sourceLineNo">131</span>  }<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>  /**<a name="line.133"></a>
-<span class="sourceLineNo">134</span>   * check whether create directory and
hfiles as format designed in MultiHFilePartitioner<a name="line.134"></a>
-<span class="sourceLineNo">135</span>   * and also check whether the output file
has same related configuration as created table<a name="line.135"></a>
-<span class="sourceLineNo">136</span>   */<a name="line.136"></a>
-<span class="sourceLineNo">137</span>  @Test<a name="line.137"></a>
-<span class="sourceLineNo">138</span>  public void testMultiHFilePartitioner()
throws Exception {<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    Configuration conf = util.getConfiguration();<a
name="line.139"></a>
-<span class="sourceLineNo">140</span>    util.startMiniCluster();<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    Path testDir = util.getDataTestDirOnTestFS("testMultiHFilePartitioner");<a
name="line.141"></a>
-<span class="sourceLineNo">142</span>    FileSystem fs = testDir.getFileSystem(conf);<a
name="line.142"></a>
-<span class="sourceLineNo">143</span>    LOG.info("testMultiHFilePartitioner
dir writing to : " + testDir);<a name="line.143"></a>
-<span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span>    // Set down this value or we OOME in
eclipse.<a name="line.145"></a>
-<span class="sourceLineNo">146</span>    conf.setInt("mapreduce.task.io.sort.mb",
20);<a name="line.146"></a>
-<span class="sourceLineNo">147</span>    // Write a few files by setting max
file size.<a name="line.147"></a>
-<span class="sourceLineNo">148</span>    conf.setLong(HConstants.HREGION_MAX_FILESIZE,
64 * 1024);<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span>    // Create several tables for testing<a
name="line.150"></a>
-<span class="sourceLineNo">151</span>    List&lt;TableName&gt; tables
= new ArrayList&lt;TableName&gt;();<a name="line.151"></a>
-<span class="sourceLineNo">152</span><a name="line.152"></a>
-<span class="sourceLineNo">153</span>    // to store splitKeys for TABLE[0] for
testing;<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    byte[][] testKeys = new byte[0][0];<a
name="line.154"></a>
-<span class="sourceLineNo">155</span>    for (int i = 0; i &lt; TABLES.length;
i++) {<a name="line.155"></a>
-<span class="sourceLineNo">156</span>      TableName tableName = TableName.valueOf(TABLES[i]);<a
name="line.156"></a>
-<span class="sourceLineNo">157</span>      byte[][] splitKeys = generateRandomSplitKeys(3);<a
name="line.157"></a>
-<span class="sourceLineNo">158</span>      if (i == 0) {<a name="line.158"></a>
-<span class="sourceLineNo">159</span>        testKeys = splitKeys;<a name="line.159"></a>
-<span class="sourceLineNo">160</span>      }<a name="line.160"></a>
-<span class="sourceLineNo">161</span>      HTableDescriptor tableDescriptor =
new HTableDescriptor(tableName);<a name="line.161"></a>
-<span class="sourceLineNo">162</span>      for (int j = 0; j &lt; FAMILIES.length;
j++) {<a name="line.162"></a>
-<span class="sourceLineNo">163</span>        HColumnDescriptor familyDescriptor
= new HColumnDescriptor(FAMILIES[j]);<a name="line.163"></a>
-<span class="sourceLineNo">164</span>        //only set Tables[0] configuration,
and specify compression type and DataBlockEncode<a name="line.164"></a>
-<span class="sourceLineNo">165</span>        if (i == 0) {<a name="line.165"></a>
-<span class="sourceLineNo">166</span>          familyDescriptor.setCompressionType(Compression.Algorithm.GZ);<a
name="line.166"></a>
-<span class="sourceLineNo">167</span>          familyDescriptor.setDataBlockEncoding(DataBlockEncoding.FAST_DIFF);<a
name="line.167"></a>
-<span class="sourceLineNo">168</span>        }<a name="line.168"></a>
-<span class="sourceLineNo">169</span>        tableDescriptor.addFamily(familyDescriptor);<a
name="line.169"></a>
-<span class="sourceLineNo">170</span>      }<a name="line.170"></a>
-<span class="sourceLineNo">171</span>      util.createTable(tableDescriptor,
splitKeys, conf);<a name="line.171"></a>
-<span class="sourceLineNo">172</span>      tables.add(tableName);<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    }<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    // set up for MapReduce job<a name="line.174"></a>
-<span class="sourceLineNo">175</span>    try {<a name="line.175"></a>
-<span class="sourceLineNo">176</span>      Job job = Job.getInstance(conf, "testMultiHFilePartitioner");<a
name="line.176"></a>
-<span class="sourceLineNo">177</span>      FileOutputFormat.setOutputPath(job,
testDir);<a name="line.177"></a>
-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span>      job.setInputFormatClass(NMapInputFormat.class);<a
name="line.179"></a>
-<span class="sourceLineNo">180</span>      job.setMapperClass(Random_TableKV_GeneratingMapper.class);<a
name="line.180"></a>
-<span class="sourceLineNo">181</span>      job.setMapOutputKeyClass(ImmutableBytesWritable.class);<a
name="line.181"></a>
-<span class="sourceLineNo">182</span>      job.setMapOutputValueClass(KeyValue.class);<a
name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span>      MultiTableHFileOutputFormat.configureIncrementalLoad(job,
tables);<a name="line.184"></a>
-<span class="sourceLineNo">185</span><a name="line.185"></a>
-<span class="sourceLineNo">186</span>      LOG.info("Starting test testWritingDataIntoHFiles");<a
name="line.186"></a>
-<span class="sourceLineNo">187</span>      assertTrue(job.waitForCompletion(true));<a
name="line.187"></a>
-<span class="sourceLineNo">188</span>      LOG.info("Waiting on checking MapReduce
output");<a name="line.188"></a>
-<span class="sourceLineNo">189</span>      assertTrue(checkMROutput(fs, testDir,
0));<a name="line.189"></a>
-<span class="sourceLineNo">190</span>      assertTrue(checkFileConfAndSplitKeys(conf,
fs, testDir, testKeys));<a name="line.190"></a>
-<span class="sourceLineNo">191</span>    } finally {<a name="line.191"></a>
-<span class="sourceLineNo">192</span>      for (int i = 0; i &lt; TABLES.length;
i++) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span>        TableName tName = TableName.valueOf(TABLES[i]);<a
name="line.193"></a>
-<span class="sourceLineNo">194</span>        util.deleteTable(tName);<a name="line.194"></a>
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-<span class="sourceLineNo">196</span>      fs.delete(testDir, true);<a name="line.196"></a>
-<span class="sourceLineNo">197</span>      fs.close();<a name="line.197"></a>
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-<span class="sourceLineNo">200</span>  }<a name="line.200"></a>
-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span>  /**<a name="line.202"></a>
-<span class="sourceLineNo">203</span>   * check the output hfile has same configuration
as created test table<a name="line.203"></a>
-<span class="sourceLineNo">204</span>   * and also check whether hfiles get split
correctly<a name="line.204"></a>
-<span class="sourceLineNo">205</span>   * only check TABLES[0]<a name="line.205"></a>
-<span class="sourceLineNo">206</span>   */<a name="line.206"></a>
-<span class="sourceLineNo">207</span>  private boolean checkFileConfAndSplitKeys(Configuration
conf, FileSystem fs, Path testDir, byte[][] splitKeys) throws IOException {<a name="line.207"></a>
-<span class="sourceLineNo">208</span>    FileStatus[] fStats = fs.listStatus(testDir);<a
name="line.208"></a>
-<span class="sourceLineNo">209</span>    for (FileStatus stats : fStats) {<a
name="line.209"></a>
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String(TABLES[0]))) {<a name="line.210"></a>
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name="line.211"></a>
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name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
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= new ArrayList&lt;byte[]&gt;();<a name="line.215"></a>
-<span class="sourceLineNo">216</span>          List&lt;byte[]&gt; lastKeys
= new ArrayList&lt;byte[]&gt;();<a name="line.216"></a>
-<span class="sourceLineNo">217</span>          for (FileStatus hfstat : hfStats)
{<a name="line.217"></a>
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hfstat)) {<a name="line.218"></a>
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-<span class="sourceLineNo">220</span>                  HFile.createReader(fs,
hfstat.getPath(), new CacheConfig(conf), true, conf);<a name="line.220"></a>
-<span class="sourceLineNo">221</span>              if (!hfr.getDataBlockEncoding().equals(DataBlockEncoding.FAST_DIFF)
|| !hfr<a name="line.221"></a>
-<span class="sourceLineNo">222</span>                  .getCompressionAlgorithm().equals(Compression.Algorithm.GZ))
return false;<a name="line.222"></a>
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name="line.223"></a>
-<span class="sourceLineNo">224</span>              lastKeys.add(hfr.getLastRowKey());<a
name="line.224"></a>
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firsttKeys, lastKeys) == false) {<a name="line.227"></a>
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-<span class="sourceLineNo">237</span>   * Check whether the Hfile has been split
by region boundaries<a name="line.237"></a>
-<span class="sourceLineNo">238</span>   * @param splitKeys split keys for that
table<a name="line.238"></a>
-<span class="sourceLineNo">239</span>   * @param firstKeys first rowKey for hfiles<a
name="line.239"></a>
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name="line.240"></a>
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splitKeys, List&lt;byte[]&gt; firstKeys, List&lt;byte[]&gt; lastKeys) {<a
name="line.242"></a>
-<span class="sourceLineNo">243</span>    Collections.sort(firstKeys, Bytes.BYTES_RAWCOMPARATOR);<a
name="line.243"></a>
-<span class="sourceLineNo">244</span>    Collections.sort(lastKeys, Bytes.BYTES_RAWCOMPARATOR);<a
name="line.244"></a>
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name="line.245"></a>
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&amp;&amp; Bytes.compareTo(key, splitKeys[is]) &gt;= 0) is++;<a name="line.249"></a>
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name="line.250"></a>
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splitKeys[is - 1]) &lt; 0) return false;<a name="line.254"></a>
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tableName-&gt;ColumnFamilyName-&gt;HFile this method to check the<a name="line.267"></a>
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A recursion method, the testDir had better be small size<a name="line.268"></a>
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fs, Path testDir, int level) throws IOException {<a name="line.270"></a>
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-<span class="sourceLineNo">275</span>    if (fStats == null || fStats.length
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-<span class="sourceLineNo">280</span>    for (FileStatus stats : fStats) {<a
name="line.280"></a>
-<span class="sourceLineNo">281</span>      // skip the _SUCCESS file created
by MapReduce<a name="line.281"></a>
-<span class="sourceLineNo">282</span>      if (level == 0 &amp;&amp;
stats.getPath().getName().endsWith(FileOutputCommitter.SUCCEEDED_FILE_NAME))<a name="line.282"></a>
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-<span class="sourceLineNo">284</span>      if (level &lt; 2 &amp;&amp;
!stats.isDirectory()) {<a name="line.284"></a>
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-<span class="sourceLineNo">286</span>        return false;<a name="line.286"></a>
-<span class="sourceLineNo">287</span>      }<a name="line.287"></a>
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level + 1);<a name="line.288"></a>
-<span class="sourceLineNo">289</span>      if (flag == false) return false;<a
name="line.289"></a>
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-<span class="sourceLineNo">293</span><a name="line.293"></a>
-<span class="sourceLineNo">294</span><a name="line.294"></a>
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numKeys) {<a name="line.295"></a>
-<span class="sourceLineNo">296</span>    Random random = new Random();<a name="line.296"></a>
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name="line.297"></a>
-<span class="sourceLineNo">298</span>    for (int i = 0; i &lt; numKeys;
i++) {<a name="line.298"></a>
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KEYLEN_DEFAULT);<a name="line.299"></a>
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-<span class="sourceLineNo">301</span>    return ret;<a name="line.301"></a>
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-<span class="sourceLineNo">303</span><a name="line.303"></a>
-<span class="sourceLineNo">304</span><a name="line.304"></a>
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-<span class="sourceLineNo">306</span>   * Simple mapper that makes &lt;TableName,
KeyValue&gt; output. With no input data<a name="line.306"></a>
-<span class="sourceLineNo">307</span>   */<a name="line.307"></a>
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name="line.308"></a>
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NullWritable, ImmutableBytesWritable, Cell&gt; {<a name="line.309"></a>
-<span class="sourceLineNo">310</span><a name="line.310"></a>
-<span class="sourceLineNo">311</span>    private int keyLength;<a name="line.311"></a>
-<span class="sourceLineNo">312</span>    private int valLength;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span>    @Override<a name="line.314"></a>
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throws IOException, InterruptedException {<a name="line.315"></a>
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-<span class="sourceLineNo">317</span><a name="line.317"></a>
-<span class="sourceLineNo">318</span>      Configuration conf = context.getConfiguration();<a
name="line.318"></a>
-<span class="sourceLineNo">319</span>      keyLength = conf.getInt(KEYLEN_CONF,
KEYLEN_DEFAULT);<a name="line.319"></a>
-<span class="sourceLineNo">320</span>      valLength = conf.getInt(VALLEN_CONF,
VALLEN_DEFAULT);<a name="line.320"></a>
-<span class="sourceLineNo">321</span>    }<a name="line.321"></a>
-<span class="sourceLineNo">322</span><a name="line.322"></a>
-<span class="sourceLineNo">323</span>    @Override<a name="line.323"></a>
-<span class="sourceLineNo">324</span>    protected void map(NullWritable n1,
NullWritable n2,<a name="line.324"></a>
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ImmutableBytesWritable, Cell&gt;.Context context)<a name="line.325"></a>
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{<a name="line.326"></a>
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-<span class="sourceLineNo">328</span>      byte keyBytes[] = new byte[keyLength];<a
name="line.328"></a>
-<span class="sourceLineNo">329</span>      byte valBytes[] = new byte[valLength];<a
name="line.329"></a>
-<span class="sourceLineNo">330</span><a name="line.330"></a>
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tables = new ArrayList&lt;&gt;();<a name="line.331"></a>
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i++) {<a name="line.332"></a>
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name="line.333"></a>
-<span class="sourceLineNo">334</span>      }<a name="line.334"></a>
-<span class="sourceLineNo">335</span><a name="line.335"></a>
-<span class="sourceLineNo">336</span>      int taskId = context.getTaskAttemptID().getTaskID().getId();<a
name="line.336"></a>
-<span class="sourceLineNo">337</span>      assert taskId &lt; Byte.MAX_VALUE
: "Unit tests dont support &gt; 127 tasks!";<a name="line.337"></a>
-<span class="sourceLineNo">338</span>      Random random = new Random();<a
name="line.338"></a>
-<span class="sourceLineNo">339</span><a name="line.339"></a>
-<span class="sourceLineNo">340</span>      for (int i = 0; i &lt; ROWSPERSPLIT;
i++) {<a name="line.340"></a>
-<span class="sourceLineNo">341</span>        random.nextBytes(keyBytes);<a
name="line.341"></a>
-<span class="sourceLineNo">342</span>        // Ensure that unique tasks generate
unique keys<a name="line.342"></a>
-<span class="sourceLineNo">343</span>        keyBytes[keyLength - 1] = (byte)
(taskId &amp; 0xFF);<a name="line.343"></a>
-<span class="sourceLineNo">344</span>        random.nextBytes(valBytes);<a
name="line.344"></a>
-<span class="sourceLineNo">345</span><a name="line.345"></a>
-<span class="sourceLineNo">346</span>        for (ImmutableBytesWritable table
: tables) {<a name="line.346"></a>
-<span class="sourceLineNo">347</span>          for (byte[] family : FAMILIES)
{<a name="line.347"></a>
-<span class="sourceLineNo">348</span>            Cell kv = new KeyValue(keyBytes,
family, QUALIFIER, valBytes);<a name="line.348"></a>
-<span class="sourceLineNo">349</span>            context.write(table, kv);<a
name="line.349"></a>
-<span class="sourceLineNo">350</span>          }<a name="line.350"></a>
-<span class="sourceLineNo">351</span>        }<a name="line.351"></a>
-<span class="sourceLineNo">352</span>      }<a name="line.352"></a>
-<span class="sourceLineNo">353</span>    }<a name="line.353"></a>
-<span class="sourceLineNo">354</span>  }<a name="line.354"></a>
-<span class="sourceLineNo">355</span><a name="line.355"></a>
-<span class="sourceLineNo">356</span>  /**<a name="line.356"></a>
-<span class="sourceLineNo">357</span>   * Simple Reducer that have input &lt;TableName,
KeyValue&gt;, with KeyValues have no order. and output<a name="line.357"></a>
-<span class="sourceLineNo">358</span>   * &lt;TableName, KeyValue&gt;,
with KeyValues are ordered<a name="line.358"></a>
-<span class="sourceLineNo">359</span>   */<a name="line.359"></a>
-<span class="sourceLineNo">360</span><a name="line.360"></a>
-<span class="sourceLineNo">361</span>  static class Table_KeyValueSortReducer<a
name="line.361"></a>
-<span class="sourceLineNo">362</span>      extends Reducer&lt;ImmutableBytesWritable,
KeyValue, ImmutableBytesWritable, KeyValue&gt; {<a name="line.362"></a>
-<span class="sourceLineNo">363</span>    protected void reduce(ImmutableBytesWritable
table, java.lang.Iterable&lt;KeyValue&gt; kvs,<a name="line.363"></a>
-<span class="sourceLineNo">364</span>        org.apache.hadoop.mapreduce.Reducer&lt;ImmutableBytesWritable,
KeyValue, ImmutableBytesWritable, KeyValue&gt;.Context context)<a name="line.364"></a>
-<span class="sourceLineNo">365</span>        throws java.io.IOException, InterruptedException
{<a name="line.365"></a>
-<span class="sourceLineNo">366</span>      TreeSet&lt;KeyValue&gt; map
= new TreeSet&lt;&gt;(CellComparator.COMPARATOR);<a name="line.366"></a>
-<span class="sourceLineNo">367</span>      for (KeyValue kv : kvs) {<a name="line.367"></a>
-<span class="sourceLineNo">368</span>        try {<a name="line.368"></a>
-<span class="sourceLineNo">369</span>          map.add(kv.clone());<a name="line.369"></a>
-<span class="sourceLineNo">370</span>        } catch (CloneNotSupportedException
e) {<a name="line.370"></a>
-<span class="sourceLineNo">371</span>          throw new java.io.IOException(e);<a
name="line.371"></a>
-<span class="sourceLineNo">372</span>        }<a name="line.372"></a>
-<span class="sourceLineNo">373</span>      }<a name="line.373"></a>
-<span class="sourceLineNo">374</span>      context.setStatus("Read " + map.getClass());<a
name="line.374"></a>
-<span class="sourceLineNo">375</span>      int index = 0;<a name="line.375"></a>
-<span class="sourceLineNo">376</span>      for (KeyValue kv : map) {<a name="line.376"></a>
-<span class="sourceLineNo">377</span>        context.write(table, kv);<a name="line.377"></a>
-<span class="sourceLineNo">378</span>        if (++index % 100 == 0) context.setStatus("Wrote
" + index);<a name="line.378"></a>
-<span class="sourceLineNo">379</span>      }<a name="line.379"></a>
-<span class="sourceLineNo">380</span>    }<a name="line.380"></a>
-<span class="sourceLineNo">381</span>  }<a name="line.381"></a>
-<span class="sourceLineNo">382</span>}<a name="line.382"></a>
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-</body>
-</html>


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