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From git-site-r...@apache.org
Subject [01/51] [partial] hbase-site git commit: Published site at .
Date Sun, 03 Sep 2017 15:13:23 GMT
Repository: hbase-site
Updated Branches:
  refs/heads/asf-site b3cf1f855 -> 3b2201244


http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3b220124/devapidocs/src-html/org/apache/hadoop/hbase/tool/LoadIncrementalHFiles.LoadQueueItem.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/tool/LoadIncrementalHFiles.LoadQueueItem.html b/devapidocs/src-html/org/apache/hadoop/hbase/tool/LoadIncrementalHFiles.LoadQueueItem.html
new file mode 100644
index 0000000..79a160d
--- /dev/null
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/tool/LoadIncrementalHFiles.LoadQueueItem.html
@@ -0,0 +1,1323 @@
+<!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.tool;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import static java.lang.String.format;<a name="line.20"></a>
+<span class="sourceLineNo">021</span><a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.io.FileNotFoundException;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.io.InterruptedIOException;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.nio.ByteBuffer;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.ArrayDeque;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.ArrayList;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.Arrays;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.Collection;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Collections;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.Deque;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.HashMap;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.HashSet;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.List;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.Map;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.Map.Entry;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import java.util.Set;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.util.SortedMap;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.TreeMap;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import java.util.UUID;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import java.util.concurrent.Callable;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import java.util.concurrent.ExecutionException;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import java.util.concurrent.ExecutorService;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import java.util.concurrent.Future;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import java.util.concurrent.TimeUnit;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import java.util.stream.Collectors;<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.commons.lang.mutable.MutableInt;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.commons.logging.Log;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.commons.logging.LogFactory;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.conf.Configuration;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.conf.Configured;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.fs.FileStatus;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.fs.FileSystem;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.fs.Path;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.fs.permission.FsPermission;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.HConstants;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.TableName;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.client.ClientServiceCallable;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.client.RpcRetryingCallerFactory;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.client.SecureBulkLoadClient;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.client.Table;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.io.HFileLink;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.io.HalfStoreFileReader;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.io.Reference;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.io.hfile.CacheConfig;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.io.hfile.HFileContext;<a name="line.83"></a>
+<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;<a name="line.84"></a>
+<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.io.hfile.HFileDataBlockEncoder;<a name="line.85"></a>
+<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.io.hfile.HFileScanner;<a name="line.86"></a>
+<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.87"></a>
+<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.regionserver.BloomType;<a name="line.88"></a>
+<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.regionserver.HStore;<a name="line.89"></a>
+<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.regionserver.StoreFileInfo;<a name="line.90"></a>
+<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.regionserver.StoreFileWriter;<a name="line.91"></a>
+<span class="sourceLineNo">092</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.92"></a>
+<span class="sourceLineNo">093</span>import org.apache.hadoop.hbase.security.token.FsDelegationToken;<a name="line.93"></a>
+<span class="sourceLineNo">094</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.94"></a>
+<span class="sourceLineNo">095</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.HashMultimap;<a name="line.95"></a>
+<span class="sourceLineNo">096</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Multimap;<a name="line.96"></a>
+<span class="sourceLineNo">097</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Multimaps;<a name="line.97"></a>
+<span class="sourceLineNo">098</span>import org.apache.hadoop.hbase.shaded.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.98"></a>
+<span class="sourceLineNo">099</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.99"></a>
+<span class="sourceLineNo">100</span>import org.apache.hadoop.hbase.util.FSHDFSUtils;<a name="line.100"></a>
+<span class="sourceLineNo">101</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.101"></a>
+<span class="sourceLineNo">102</span>import org.apache.hadoop.util.Tool;<a name="line.102"></a>
+<span class="sourceLineNo">103</span>import org.apache.hadoop.util.ToolRunner;<a name="line.103"></a>
+<span class="sourceLineNo">104</span><a name="line.104"></a>
+<span class="sourceLineNo">105</span>/**<a name="line.105"></a>
+<span class="sourceLineNo">106</span> * Tool to load the output of HFileOutputFormat into an existing table.<a name="line.106"></a>
+<span class="sourceLineNo">107</span> */<a name="line.107"></a>
+<span class="sourceLineNo">108</span>@InterfaceAudience.Public<a name="line.108"></a>
+<span class="sourceLineNo">109</span>public class LoadIncrementalHFiles extends Configured implements Tool {<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span>  private static final Log LOG = LogFactory.getLog(LoadIncrementalHFiles.class);<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>  public static final String NAME = "completebulkload";<a name="line.113"></a>
+<span class="sourceLineNo">114</span>  static final String RETRY_ON_IO_EXCEPTION = "hbase.bulkload.retries.retryOnIOException";<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  public static final String MAX_FILES_PER_REGION_PER_FAMILY =<a name="line.115"></a>
+<span class="sourceLineNo">116</span>      "hbase.mapreduce.bulkload.max.hfiles.perRegion.perFamily";<a name="line.116"></a>
+<span class="sourceLineNo">117</span>  private static final String ASSIGN_SEQ_IDS = "hbase.mapreduce.bulkload.assign.sequenceNumbers";<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  public final static String CREATE_TABLE_CONF_KEY = "create.table";<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  public final static String IGNORE_UNMATCHED_CF_CONF_KEY = "ignore.unmatched.families";<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  public final static String ALWAYS_COPY_FILES = "always.copy.files";<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span>  // We use a '.' prefix which is ignored when walking directory trees<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  // above. It is invalid family name.<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  static final String TMP_DIR = ".tmp";<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span>  private final int maxFilesPerRegionPerFamily;<a name="line.126"></a>
+<span class="sourceLineNo">127</span>  private final boolean assignSeqIds;<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span>  // Source delegation token<a name="line.129"></a>
+<span class="sourceLineNo">130</span>  private final FsDelegationToken fsDelegationToken;<a name="line.130"></a>
+<span class="sourceLineNo">131</span>  private final UserProvider userProvider;<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  private final int nrThreads;<a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private final RpcControllerFactory rpcControllerFactory;<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  private String bulkToken;<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span>  /**<a name="line.137"></a>
+<span class="sourceLineNo">138</span>   * Represents an HFile waiting to be loaded. An queue is used in this class in order to support<a name="line.138"></a>
+<span class="sourceLineNo">139</span>   * the case where a region has split during the process of the load. When this happens, the HFile<a name="line.139"></a>
+<span class="sourceLineNo">140</span>   * is split into two physical parts across the new region boundary, and each part is added back<a name="line.140"></a>
+<span class="sourceLineNo">141</span>   * into the queue. The import process finishes when the queue is empty.<a name="line.141"></a>
+<span class="sourceLineNo">142</span>   */<a name="line.142"></a>
+<span class="sourceLineNo">143</span>  @InterfaceAudience.Public<a name="line.143"></a>
+<span class="sourceLineNo">144</span>  public static class LoadQueueItem {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    private final byte[] family;<a name="line.145"></a>
+<span class="sourceLineNo">146</span>    private final Path hfilePath;<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span>    public LoadQueueItem(byte[] family, Path hfilePath) {<a name="line.148"></a>
+<span class="sourceLineNo">149</span>      this.family = family;<a name="line.149"></a>
+<span class="sourceLineNo">150</span>      this.hfilePath = hfilePath;<a name="line.150"></a>
+<span class="sourceLineNo">151</span>    }<a name="line.151"></a>
+<span class="sourceLineNo">152</span><a name="line.152"></a>
+<span class="sourceLineNo">153</span>    @Override<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    public String toString() {<a name="line.154"></a>
+<span class="sourceLineNo">155</span>      return "family:" + Bytes.toString(family) + " path:" + hfilePath.toString();<a name="line.155"></a>
+<span class="sourceLineNo">156</span>    }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span>    public byte[] getFamily() {<a name="line.158"></a>
+<span class="sourceLineNo">159</span>      return family;<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>    public Path getFilePath() {<a name="line.162"></a>
+<span class="sourceLineNo">163</span>      return hfilePath;<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    }<a name="line.164"></a>
+<span class="sourceLineNo">165</span>  }<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span>  public LoadIncrementalHFiles(Configuration conf) {<a name="line.167"></a>
+<span class="sourceLineNo">168</span>    // make a copy, just to be sure we're not overriding someone else's config<a name="line.168"></a>
+<span class="sourceLineNo">169</span>    super(HBaseConfiguration.create(conf));<a name="line.169"></a>
+<span class="sourceLineNo">170</span>    conf = getConf();<a name="line.170"></a>
+<span class="sourceLineNo">171</span>    // disable blockcache for tool invocation, see HBASE-10500<a name="line.171"></a>
+<span class="sourceLineNo">172</span>    conf.setFloat(HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, 0);<a name="line.172"></a>
+<span class="sourceLineNo">173</span>    userProvider = UserProvider.instantiate(conf);<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    fsDelegationToken = new FsDelegationToken(userProvider, "renewer");<a name="line.174"></a>
+<span class="sourceLineNo">175</span>    assignSeqIds = conf.getBoolean(ASSIGN_SEQ_IDS, true);<a name="line.175"></a>
+<span class="sourceLineNo">176</span>    maxFilesPerRegionPerFamily = conf.getInt(MAX_FILES_PER_REGION_PER_FAMILY, 32);<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    nrThreads = conf.getInt("hbase.loadincremental.threads.max",<a name="line.177"></a>
+<span class="sourceLineNo">178</span>      Runtime.getRuntime().availableProcessors());<a name="line.178"></a>
+<span class="sourceLineNo">179</span>    rpcControllerFactory = new RpcControllerFactory(conf);<a name="line.179"></a>
+<span class="sourceLineNo">180</span>  }<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>  private void usage() {<a name="line.182"></a>
+<span class="sourceLineNo">183</span>    System.err.println("usage: " + NAME + " /path/to/hfileoutputformat-output tablename" + "\n -D" +<a name="line.183"></a>
+<span class="sourceLineNo">184</span>        CREATE_TABLE_CONF_KEY + "=no - can be used to avoid creation of table by this tool\n" +<a name="line.184"></a>
+<span class="sourceLineNo">185</span>        "  Note: if you set this to 'no', then the target table must already exist in HBase\n -D" +<a name="line.185"></a>
+<span class="sourceLineNo">186</span>        IGNORE_UNMATCHED_CF_CONF_KEY + "=yes - can be used to ignore unmatched column families\n" +<a name="line.186"></a>
+<span class="sourceLineNo">187</span>        "\n");<a name="line.187"></a>
+<span class="sourceLineNo">188</span>  }<a name="line.188"></a>
+<span class="sourceLineNo">189</span><a name="line.189"></a>
+<span class="sourceLineNo">190</span>  /**<a name="line.190"></a>
+<span class="sourceLineNo">191</span>   * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.191"></a>
+<span class="sourceLineNo">192</span>   * passed directory and validates whether the prepared queue has all the valid table column<a name="line.192"></a>
+<span class="sourceLineNo">193</span>   * families in it.<a name="line.193"></a>
+<span class="sourceLineNo">194</span>   * @param hfilesDir directory containing list of hfiles to be loaded into the table<a name="line.194"></a>
+<span class="sourceLineNo">195</span>   * @param table table to which hfiles should be loaded<a name="line.195"></a>
+<span class="sourceLineNo">196</span>   * @param queue queue which needs to be loaded into the table<a name="line.196"></a>
+<span class="sourceLineNo">197</span>   * @param validateHFile if true hfiles will be validated for its format<a name="line.197"></a>
+<span class="sourceLineNo">198</span>   * @throws IOException If any I/O or network error occurred<a name="line.198"></a>
+<span class="sourceLineNo">199</span>   */<a name="line.199"></a>
+<span class="sourceLineNo">200</span>  public void prepareHFileQueue(Path hfilesDir, Table table, Deque&lt;LoadQueueItem&gt; queue,<a name="line.200"></a>
+<span class="sourceLineNo">201</span>      boolean validateHFile) throws IOException {<a name="line.201"></a>
+<span class="sourceLineNo">202</span>    prepareHFileQueue(hfilesDir, table, queue, validateHFile, false);<a name="line.202"></a>
+<span class="sourceLineNo">203</span>  }<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span>  /**<a name="line.205"></a>
+<span class="sourceLineNo">206</span>   * Prepare a collection of {@link LoadQueueItem} from list of source hfiles contained in the<a name="line.206"></a>
+<span class="sourceLineNo">207</span>   * passed directory and validates whether the prepared queue has all the valid table column<a name="line.207"></a>
+<span class="sourceLineNo">208</span>   * families in it.<a name="line.208"></a>
+<span class="sourceLineNo">209</span>   * @param hfilesDir directory containing list of hfiles to be loaded into the table<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   * @param table table to which hfiles should be loaded<a name="line.210"></a>
+<span class="sourceLineNo">211</span>   * @param queue queue which needs to be loaded into the table<a name="line.211"></a>
+<span class="sourceLineNo">212</span>   * @param validateHFile if true hfiles will be validated for its format<a name="line.212"></a>
+<span class="sourceLineNo">213</span>   * @param silence true to ignore unmatched column families<a name="line.213"></a>
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+<span class="sourceLineNo">652</span>    byte[] family = item.getFamily();<a name="line.652"></a>
+<span class="sourceLineNo">653</span>    Path tmpDir = hfilePath.getParent();<a name="line.653"></a>
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+<span class="sourceLineNo">656</span>    }<a name="line.656"></a>
+<span class="sourceLineNo">657</span><a name="line.657"></a>
+<span class="sourceLineNo">658</span>    LOG.info("HFile at " + hfilePath + " no longer fits inside a single " + "region. Splitting...");<a name="line.658"></a>
+<span class="sourceLineNo">659</span><a name="line.659"></a>
+<span class="sourceLineNo">660</span>    String uniqueName = getUniqueName();<a name="line.660"></a>
+<span class="sourceLineNo">661</span>    ColumnFamilyDescriptor familyDesc = table.getDescriptor().getColumnFamily(family);<a name="line.661"></a>
+<span class="sourceLineNo">662</span><a name="line.662"></a>
+<span class="sourceLineNo">663</span>    Path botOut = new Path(tmpDir, uniqueName + ".bottom");<a name="line.663"></a>
+<span class="sourceLineNo">664</span>    Path topOut = new Path(tmpDir, uniqueName + ".top");<a name="line.664"></a>
+<span class="sourceLineNo">665</span>    splitStoreFile(getConf(), hfilePath, familyDesc, splitKey, botOut, topOut);<a name="line.665"></a>
+<span class="sourceLineNo">666</span><a name="line.666"></a>
+<span class="sourceLineNo">667</span>    FileSystem fs = tmpDir.getFileSystem(getConf());<a name="line.667"></a>
+<span class="sourceLineNo">668</span>    fs.setPermission(tmpDir, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.668"></a>
+<span class="sourceLineNo">669</span>    fs.setPermission(botOut, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.669"></a>
+<span class="sourceLineNo">670</span>    fs.setPermission(topOut, FsPermission.valueOf("-rwxrwxrwx"));<a name="line.670"></a>
+<span class="sourceLineNo">671</span><a name="line.671"></a>
+<span class="sourceLineNo">672</span>    // Add these back at the *front* of the queue, so there's a lower<a name="line.672"></a>
+<span class="sourceLineNo">673</span>    // chance that the region will just split again before we get there.<a name="line.673"></a>
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+<span class="sourceLineNo">676</span>    lqis.add(new LoadQueueItem(family, topOut));<a name="line.676"></a>
+<span class="sourceLineNo">677</span><a name="line.677"></a>
+<span class="sourceLineNo">678</span>    // If the current item is already the result of previous splits,<a name="line.678"></a>
+<span class="sourceLineNo">679</span>    // we don't need it anymore. Clean up to save space.<a name="line.679"></a>
+<span class="sourceLineNo">680</span>    // It is not part of the original input files.<a name="line.680"></a>
+<span class="sourceLineNo">681</span>    try {<a name="line.681"></a>
+<span class="sourceLineNo">682</span>      if (tmpDir.getName().equals(TMP_DIR)) {<a name="line.682"></a>
+<span class="sourceLineNo">683</span>        fs.delete(hfilePath, false);<a name="line.683"></a>
+<span class="sourceLineNo">684</span>      }<a name="line.684"></a>
+<span class="sourceLineNo">685</span>    } catch (IOException e) {<a name="line.685"></a>
+<span class="sourceLineNo">686</span>      LOG.warn("Unable to delete temporary split file " + hfilePath);<a name="line.686"></a>
+<span class="sourceLineNo">687</span>    }<a name="line.687"></a>
+<span class="sourceLineNo">688</span>    LOG.info("Successfully split into new HFiles " + botOut + " and " + topOut);<a name="line.688"></a>
+<span class="sourceLineNo">689</span>    return lqis;<a name="line.689"></a>
+<span class="sourceLineNo">690</span>  }<a name="line.690"></a>
+<span class="sourceLineNo">691</span><a name="line.691"></a>
+<span class="sourceLineNo">692</span>  /**<a name="line.692"></a>
+<span class="sourceLineNo">693</span>   * Attempt to assign the given load queue item into its target region group. If the hfile boundary<a name="line.693"></a>
+<span class="sourceLineNo">694</span>   * no longer fits into a region, physically splits the hfile such that the new bottom half will<a name="line.694"></a>
+<span class="sourceLineNo">695</span>   * fit and returns the list of LQI's corresponding to the resultant hfiles.<a name="line.695"></a>
+<span class="sourceLineNo">696</span>   * &lt;p&gt;<a name="line.696"></a>
+<span class="sourceLineNo">697</span>   * protected for testing<a name="line.697"></a>
+<span class="sourceLineNo">698</span>   * @throws IOException if an IO failure is encountered<a name="line.698"></a>
+<span class="sourceLineNo">699</span>   */<a name="line.699"></a>
+<span class="sourceLineNo">700</span>  @VisibleForTesting<a name="line.700"></a>
+<span class="sourceLineNo">701</span>  protected Pair&lt;List&lt;LoadQueueItem&gt;, String&gt; groupOrSplit(<a name="line.701"></a>
+<span class="sourceLineNo">702</span>      Multimap&lt;ByteBuffer, LoadQueueItem&gt; regionGroups, final LoadQueueItem item, final Table table,<a name="line.702"></a>
+<span class="sourceLineNo">703</span>      final Pair&lt;byte[][], byte[][]&gt; startEndKeys) throws IOException {<a name="line.703"></a>
+<span class="sourceLineNo">704</span>    Path hfilePath = item.getFilePath();<a name="line.704"></a>
+<span class="sourceLineNo">705</span>    byte[] first, last;<a name="line.705"></a>
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+<span class="sourceLineNo">707</span>      new CacheConfig(getConf()), true, getConf())) {<a name="line.707"></a>
+<span class="sourceLineNo">708</span>      hfr.loadFileInfo();<a name="line.708"></a>
+<span class="sourceLineNo">709</span>      first = hfr.getFirstRowKey();<a name="line.709"></a>
+<span class="sourceLineNo">710</span>      last = hfr.getLastRowKey();<a name="line.710"></a>
+<span class="sourceLineNo">711</span>    } catch (FileNotFoundException fnfe) {<a name="line.711"></a>
+<span class="sourceLineNo">712</span>      LOG.debug("encountered", fnfe);<a name="line.712"></a>
+<span class="sourceLineNo">713</span>      return new Pair&lt;&gt;(null, hfilePath.getName());<a name="line.713"></a>
+<span class="sourceLineNo">714</span>    }<a name="line.714"></a>
+<span class="sourceLineNo">715</span><a name="line.715"></a>
+<span class="sourceLineNo">716</span>    LOG.info("Trying to load hfile=" + hfilePath + " first=" + Bytes.toStringBinary(first) +<a name="line.716"></a>
+<span class="sourceLineNo">717</span>        " last=" + Bytes.toStringBinary(last));<a name="line.717"></a>
+<span class="sourceLineNo">718</span>    if (first == null || last == null) {<a name="line.718"></a>
+<span class="sourceLineNo">719</span>      assert first == null &amp;&amp; last == null;<a name="line.719"></a>
+<span class="sourceLineNo">720</span>      // TODO what if this is due to a bad HFile?<a name="line.720"></a>
+<span class="sourceLineNo">721</span>      LOG.info("hfile " + hfilePath + " has no entries, skipping");<a name="line.721"></a>
+<span class="sourceLineNo">722</span>      return null;<a name="line.722"></a>
+<span class="sourceLineNo">723</span>    }<a name="line.723"></a>
+<span class="sourceLineNo">724</span>    if (Bytes.compareTo(first, last) &gt; 0) {<a name="line.724"></a>
+<span class="sourceLineNo">725</span>      throw new IllegalArgumentException(<a name="line.725"></a>
+<span class="sourceLineNo">726</span>          "Invalid range: " + Bytes.toStringBinary(first) + " &gt; " + Bytes.toStringBinary(last));<a name="line.726"></a>
+<span class="sourceLineNo">727</span>    }<a name="line.727"></a>
+<span class="sourceLineNo">728</span>    int idx = Arrays.binarySearch(startEndKeys.getFirst(), first, Bytes.BYTES_COMPARATOR);<a name="line.728"></a>
+<span class="sourceLineNo">729</span>    if (idx &lt; 0) {<a name="line.729"></a>
+<span class="sourceLineNo">730</span>      // not on boundary, returns -(insertion index). Calculate region it<a name="line.730"></a>
+<span class="sourceLineNo">731</span>      // would be in.<a name="line.731"></a>
+<span class="sourceLineNo">732</span>      idx = -(idx + 1) - 1;<a name="line.732"></a>
+<span class="sourceLineNo">733</span>    }<a name="line.733"></a>
+<span class="sourceLineNo">734</span>    int indexForCallable = idx;<a name="line.734"></a>
+<span class="sourceLineNo">735</span><a name="line.735"></a>
+<span class="sourceLineNo">736</span>    /**<a name="line.736"></a>
+<span class="sourceLineNo">737</span>     * we can consider there is a region hole in following conditions. 1) if idx &lt; 0,then first<a name="line.737"></a>
+<span class="sourceLineNo">738</span>     * region info is lost. 2) if the endkey of a region is not equal to the startkey of the next<a name="line.738"></a>
+<span class="sourceLineNo">739</span>     * region. 3) if the endkey of the last region is not empty.<a name="line.739"></a>
+<span class="sourceLineNo">740</span>     */<a name="line.740"></a>
+<span class="sourceLineNo">741</span>    if (indexForCallable &lt; 0) {<a name="line.741"></a>
+<span class="sourceLineNo">742</span>      throw new IOException("The first region info for table " + table.getName() +<a name="line.742"></a>
+<span class="sourceLineNo">743</span>          " can't be found in hbase:meta.Please use hbck tool to fix it first.");<a name="line.743"></a>
+<span class="sourceLineNo">744</span>    } else if ((indexForCallable == startEndKeys.getFirst().length - 1) &amp;&amp;<a name="line.744"></a>
+<span class="sourceLineNo">745</span>        !Bytes.equals(startEndKeys.getSecond()[indexForCallable], HConstants.EMPTY_BYTE_ARRAY)) {<a name="line.745"></a>
+<span class="sourceLineNo">746</span>      throw new IOException("The last region info for table " + table.getName() +<a name="line.746"></a>
+<span class="sourceLineNo">747</span>          " can't be found in hbase:meta.Please use hbck tool to fix it first.");<a name="line.747"></a>
+<span class="sourceLineNo">748</span>    } else if (indexForCallable + 1 &lt; startEndKeys.getFirst().length &amp;&amp;<a name="line.748"></a>
+<span class="sourceLineNo">749</span>        !(Bytes.compareTo(startEndKeys.getSecond()[indexForCallable],<a name="line.749"></a>
+<span class="sourceLineNo">750</span>          startEndKeys.getFirst()[indexForCallable + 1]) == 0)) {<a name="line.750"></a>
+<span class="sourceLineNo">751</span>      throw new IOException("The endkey of one region for table " + table.getName() +<a name="line.751"></a>
+<span class="sourceLineNo">752</span>          " is not equal to the startkey of the next region in hbase:meta." +<a name="line.752"></a>
+<span class="sourceLineNo">753</span>          "Please use hbck tool to fix it first.");<a name="line.753"></a>
+<span class="sourceLineNo">754</span>    }<a name="line.754"></a>
+<span class="sourceLineNo">755</span><a name="line.755"></a>
+<span class="sourceLineNo">756</span>    boolean lastKeyInRange = Bytes.compareTo(last, startEndKeys.getSecond()[idx]) &lt; 0 ||<a name="line.756"></a>
+<span class="sourceLineNo">757</span>        Bytes.equals(startEndKeys.getSecond()[idx], HConstants.EMPTY_BYTE_ARRAY);<a name="line.757"></a>
+<span class="sourceLineNo">758</span>    if (!lastKeyInRange) {<a name="line.758"></a>
+<span class="sourceLineNo">759</span>      List&lt;LoadQueueItem&gt; lqis = splitStoreFile(item, table,<a name="line.759"></a>
+<span class="sourceLineNo">760</span>        startEndKeys.getFirst()[indexForCallable], startEndKeys.getSecond()[indexForCallable]);<a name="line.760"></a>
+<span class="sourceLineNo">761</span>      return new Pair&lt;&gt;(lqis, null);<a name="line.761"></a>
+<span class="sourceLineNo">762</span>    }<a name="line.762"></a>
+<span class="sourceLineNo">763</span><a name="line.763"></a>
+<span class="sourceLineNo">764</span>    // group regions.<a name="line.764"></a>
+<span class="sourceLineNo">765</span>    regionGroups.put(ByteBuffer.wrap(startEndKeys.getFirst()[idx]), item);<a name="line.765"></a>
+<span class="sourceLineNo">766</span>    return null;<a name="line.766"></a>
+<span class="sourceLineNo">767</span>  }<a name="line.767"></a>
+<span class="sourceLineNo">768</span><a name="line.768"></a>
+<span class="sourceLineNo">769</span>  /**<a name="line.769"></a>
+<span class="sourceLineNo">770</span>   * Attempts to do an atomic load of many hfiles into a region. If it fails, it returns a list of<a name="line.770"></a>
+<span class="sourceLineNo">771</span>   * hfiles that need to be retried. If it is successful it will return an empty list.<a name="line.771"></a>
+<span class="sourceLineNo">772</span>   * &lt;p&gt;<a name="line.772"></a>
+<span class="sourceLineNo">773</span>   * NOTE: To maintain row atomicity guarantees, region server callable should succeed atomically<a name="line.773"></a>
+<span class="sourceLineNo">774</span>   * and fails atomically.<a name="line.774"></a>
+<span class="sourceLineNo">775</span>   * &lt;p&gt;<a name="line.775"></a>
+<span class="sourceLineNo">776</span>   * Protected for testing.<a name="line.776"></a>
+<span class="sourceLineNo">777</span>   * @return empty list if success, list of items to retry on recoverable failure<a name="line.777"></a>
+<span class="sourceLineNo">778</span>   */<a name="line.778"></a>
+<span class="sourceLineNo">779</span>  @VisibleForTesting<a name="line.779"></a>
+<span class="sourceLineNo">780</span>  protected List&lt;LoadQueueItem&gt; tryAtomicRegionLoad(ClientServiceCallable&lt;byte[]&gt; serviceCallable,<a name="line.780"></a>
+<span class="sourceLineNo">781</span>      final TableName tableName, final byte[] first, final Collection&lt;LoadQueueItem&gt; lqis)<a name="line.781"></a>
+<span class="sourceLineNo">782</span>      throws IOException {<a name="line.782"></a>
+<span class="sourceLineNo">783</span>    try {<a name="line.783"></a>
+<span class="sourceLineNo">784</span>      List&lt;LoadQueueItem&gt; toRetry = new ArrayList&lt;&gt;();<a name="line.784"></a>
+<span class="sourceLineNo">785</span>      Configuration conf = getConf();<a name="line.785"></a>
+<span class="sourceLineNo">786</span>      byte[] region = RpcRetryingCallerFactory.instantiate(conf, null).&lt;byte[]&gt; newCaller()<a name="line.786"></a>
+<span class="sourceLineNo">787</span>          .callWithRetries(serviceCallable, Integer.MAX_VALUE);<a name="line.787"></a>
+<span class="sourceLineNo">788</span>      if (region == null) {<a name="line.788"></a>
+<span class="sourceLineNo">789</span>        LOG.warn("Attempt to bulk load region containing " + Bytes.toStringBinary(first) +<a name="line.789"></a>
+<span class="sourceLineNo">790</span>            " into table " + tableName + " with files " + lqis +<a name="line.790"></a>
+<span class="sourceLineNo">791</span>            " failed.  This is recoverable and they will be retried.");<a name="line.791"></a>
+<span class="sourceLineNo">792</span>        toRetry.addAll(lqis); // return lqi's to retry<a name="line.792"></a>
+<span class="sourceLineNo">793</span>      }<a name="line.793"></a>
+<span class="sourceLineNo">794</span>      // success<a name="line.794"></a>
+<span class="sourceLineNo">795</span>      return toRetry;<a name="line.795"></a>
+<span class="sourceLineNo">796</span>    } catch (IOException e) {<a name="line.796"></a>
+<span class="sourceLineNo">797</span>      LOG.error("Encountered unrecoverable error from region server, additional details: " +<a name="line.797"></a>
+<span class="sourceLineNo">798</span>          serviceCallable.getExceptionMessageAdditionalDetail(),<a name="line.798"></a>
+<span class="sourceLineNo">799</span>        e);<a name="line.799"></a>
+<span class="sourceLineNo">800</span>      throw e;<a name="line.800"></a>
+<span class="sourceLineNo">801</span>    }<a name="line.801"></a>
+<span class="sourceLineNo">802</span>  }<a name="line.802"></a>
+<span class="sourceLineNo">803</span><a name="line.803"></a>
+<span class="sourceLineNo">804</span>  /**<a name="line.804"></a>
+<span class="sourceLineNo">805</span>   * If the table is created for the first time, then "completebulkload" reads the files twice. More<a name="line.805"></a>
+<span class="sourceLineNo">806</span>   * modifications necessary if we want to avoid doing it.<a name="line.806"></a>
+<span class="sourceLineNo">807</span>   */<a name="line.807"></a>
+<span class="sourceLineNo">808</span>  private void createTable(TableName tableName, String dirPath, Admin admin) throws IOException {<a name="line.808"></a>
+<span class="sourceLineNo">809</span>    final Path hfofDir = new Path(dirPath);<a name="line.809"></a>
+<span class="sourceLineNo">810</span>    final FileSystem fs = hfofDir.getFileSystem(getConf());<a name="line.810"></a>
+<span class="sourceLineNo">811</span><a name="line.811"></a>
+<span class="sourceLineNo">812</span>    // Add column families<a name="line.812"></a>
+<span class="sourceLineNo">813</span>    // Build a set of keys<a name="line.813"></a>
+<span class="sourceLineNo">814</span>    List&lt;ColumnFamilyDescriptorBuilder&gt; familyBuilders = new ArrayList&lt;&gt;();<a name="line.814"></a>
+<span class="sourceLineNo">815</span>    SortedMap&lt;byte[], Integer&gt; map = new TreeMap&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.815"></a>
+<span class="sourceLineNo">816</span>    visitBulkHFiles(fs, hfofDir, new BulkHFileVisitor&lt;ColumnFamilyDescriptorBuilder&gt;() {<a name="line.816"></a>
+<span class="sourceLineNo">817</span>      @Override<a name="line.817"></a>
+<span class="sourceLineNo">818</span>      public ColumnFamilyDescriptorBuilder bulkFamily(byte[] familyName) {<a name="line.818"></a>
+<span class="sourceLineNo">819</span>        ColumnFamilyDescriptorBuilder builder =<a name="line.819"></a>
+<span class="sourceLineNo">820</span>            ColumnFamilyDescriptorBuilder.newBuilder(familyName);<a name="line.820"></a>
+<span class="sourceLineNo">821</span>        familyBuilders.add(builder);<a name="line.821"></a>
+<span class="sourceLineNo">822</span>        return builder;<a name="line.822"></a>
+<span class="sourceLineNo">823</span>      }<a name="line.823"></a>
+<span class="sourceLineNo">824</span><a name="line.824"></a>
+<span class="sourceLineNo">825</span>      @Override<a name="line.825"></a>
+<span class="sourceLineNo">826</span>      public void bulkHFile(ColumnFamilyDescriptorBuilder builder, FileStatus hfileStatus)<a name="line.826"></a>
+<span class="sourceLineNo">827</span>          throws IOException {<a name="line.827"></a>
+<span class="sourceLineNo">828</span>        Path hfile = hfileStatus.getPath();<a name="line.828"></a>
+<span class="sourceLineNo">829</span>        try (HFile.Reader reader =<a name="line.829"></a>
+<span class

<TRUNCATED>

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