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Posted to commits@hbase.apache.org by bu...@apache.org on 2016/07/18 11:23:29 UTC

[40/52] [partial] hbase-site git commit: Published site at 9bc7ecfb9dec6bfe14a12b6d3bfd11392d7752b8.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/5f066b2e/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html
index 3d4d3d3..37af0c3 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html
@@ -75,734 +75,765 @@
 <span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.regionserver.StoreFile;<a name="line.67"></a>
 <span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.regionserver.StoreFileWriter;<a name="line.68"></a>
 <span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.apache.hadoop.io.NullWritable;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import org.apache.hadoop.io.SequenceFile;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import org.apache.hadoop.io.Text;<a name="line.72"></a>
-<span class="sourceLineNo">073</span>import org.apache.hadoop.mapreduce.Job;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>import org.apache.hadoop.mapreduce.OutputFormat;<a name="line.74"></a>
-<span class="sourceLineNo">075</span>import org.apache.hadoop.mapreduce.RecordWriter;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>import org.apache.hadoop.mapreduce.TaskAttemptContext;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter;<a name="line.77"></a>
-<span class="sourceLineNo">078</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a name="line.78"></a>
-<span class="sourceLineNo">079</span>import org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span>import com.google.common.annotations.VisibleForTesting;<a name="line.81"></a>
-<span class="sourceLineNo">082</span><a name="line.82"></a>
-<span class="sourceLineNo">083</span>/**<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * Writes HFiles. Passed Cells must arrive in order.<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * Writes current time as the sequence id for the file. Sets the major compacted<a name="line.85"></a>
-<span class="sourceLineNo">086</span> * attribute on created @{link {@link HFile}s. Calling write(null,null) will forcibly roll<a name="line.86"></a>
-<span class="sourceLineNo">087</span> * all HFiles being written.<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * &lt;p&gt;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> * Using this class as part of a MapReduce job is best done<a name="line.89"></a>
-<span class="sourceLineNo">090</span> * using {@link #configureIncrementalLoad(Job, HTableDescriptor, RegionLocator, Class)}.<a name="line.90"></a>
-<span class="sourceLineNo">091</span> */<a name="line.91"></a>
-<span class="sourceLineNo">092</span>@InterfaceAudience.Public<a name="line.92"></a>
-<span class="sourceLineNo">093</span>@InterfaceStability.Evolving<a name="line.93"></a>
-<span class="sourceLineNo">094</span>public class HFileOutputFormat2<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    extends FileOutputFormat&lt;ImmutableBytesWritable, Cell&gt; {<a name="line.95"></a>
-<span class="sourceLineNo">096</span>  private static final Log LOG = LogFactory.getLog(HFileOutputFormat2.class);<a name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span>  // The following constants are private since these are used by<a name="line.98"></a>
-<span class="sourceLineNo">099</span>  // HFileOutputFormat2 to internally transfer data between job setup and<a name="line.99"></a>
-<span class="sourceLineNo">100</span>  // reducer run using conf.<a name="line.100"></a>
-<span class="sourceLineNo">101</span>  // These should not be changed by the client.<a name="line.101"></a>
-<span class="sourceLineNo">102</span>  private static final String COMPRESSION_FAMILIES_CONF_KEY =<a name="line.102"></a>
-<span class="sourceLineNo">103</span>      "hbase.hfileoutputformat.families.compression";<a name="line.103"></a>
-<span class="sourceLineNo">104</span>  private static final String BLOOM_TYPE_FAMILIES_CONF_KEY =<a name="line.104"></a>
-<span class="sourceLineNo">105</span>      "hbase.hfileoutputformat.families.bloomtype";<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  private static final String BLOCK_SIZE_FAMILIES_CONF_KEY =<a name="line.106"></a>
-<span class="sourceLineNo">107</span>      "hbase.mapreduce.hfileoutputformat.blocksize";<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  private static final String DATABLOCK_ENCODING_FAMILIES_CONF_KEY =<a name="line.108"></a>
-<span class="sourceLineNo">109</span>      "hbase.mapreduce.hfileoutputformat.families.datablock.encoding";<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span>  // This constant is public since the client can modify this when setting<a name="line.111"></a>
-<span class="sourceLineNo">112</span>  // up their conf object and thus refer to this symbol.<a name="line.112"></a>
-<span class="sourceLineNo">113</span>  // It is present for backwards compatibility reasons. Use it only to<a name="line.113"></a>
-<span class="sourceLineNo">114</span>  // override the auto-detection of datablock encoding.<a name="line.114"></a>
-<span class="sourceLineNo">115</span>  public static final String DATABLOCK_ENCODING_OVERRIDE_CONF_KEY =<a name="line.115"></a>
-<span class="sourceLineNo">116</span>      "hbase.mapreduce.hfileoutputformat.datablock.encoding";<a name="line.116"></a>
-<span class="sourceLineNo">117</span><a name="line.117"></a>
-<span class="sourceLineNo">118</span>  /**<a name="line.118"></a>
-<span class="sourceLineNo">119</span>   * Keep locality while generating HFiles for bulkload. See HBASE-12596<a name="line.119"></a>
-<span class="sourceLineNo">120</span>   */<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  public static final String LOCALITY_SENSITIVE_CONF_KEY =<a name="line.121"></a>
-<span class="sourceLineNo">122</span>      "hbase.bulkload.locality.sensitive.enabled";<a name="line.122"></a>
-<span class="sourceLineNo">123</span>  private static final boolean DEFAULT_LOCALITY_SENSITIVE = true;<a name="line.123"></a>
-<span class="sourceLineNo">124</span>  private static final String OUTPUT_TABLE_NAME_CONF_KEY =<a name="line.124"></a>
-<span class="sourceLineNo">125</span>      "hbase.mapreduce.hfileoutputformat.table.name";<a name="line.125"></a>
-<span class="sourceLineNo">126</span><a name="line.126"></a>
-<span class="sourceLineNo">127</span>  @Override<a name="line.127"></a>
-<span class="sourceLineNo">128</span>  public RecordWriter&lt;ImmutableBytesWritable, Cell&gt; getRecordWriter(<a name="line.128"></a>
-<span class="sourceLineNo">129</span>      final TaskAttemptContext context) throws IOException, InterruptedException {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    return createRecordWriter(context);<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>  static &lt;V extends Cell&gt; RecordWriter&lt;ImmutableBytesWritable, V&gt;<a name="line.133"></a>
-<span class="sourceLineNo">134</span>      createRecordWriter(final TaskAttemptContext context)<a name="line.134"></a>
-<span class="sourceLineNo">135</span>          throws IOException {<a name="line.135"></a>
-<span class="sourceLineNo">136</span><a name="line.136"></a>
-<span class="sourceLineNo">137</span>    // Get the path of the temporary output file<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    final Path outputPath = FileOutputFormat.getOutputPath(context);<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    final Path outputdir = new FileOutputCommitter(outputPath, context).getWorkPath();<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    final Configuration conf = context.getConfiguration();<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    final FileSystem fs = outputdir.getFileSystem(conf);<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    // These configs. are from hbase-*.xml<a name="line.142"></a>
-<span class="sourceLineNo">143</span>    final long maxsize = conf.getLong(HConstants.HREGION_MAX_FILESIZE,<a name="line.143"></a>
-<span class="sourceLineNo">144</span>        HConstants.DEFAULT_MAX_FILE_SIZE);<a name="line.144"></a>
-<span class="sourceLineNo">145</span>    // Invented config.  Add to hbase-*.xml if other than default compression.<a name="line.145"></a>
-<span class="sourceLineNo">146</span>    final String defaultCompressionStr = conf.get("hfile.compression",<a name="line.146"></a>
-<span class="sourceLineNo">147</span>        Compression.Algorithm.NONE.getName());<a name="line.147"></a>
-<span class="sourceLineNo">148</span>    final Algorithm defaultCompression = HFileWriterImpl<a name="line.148"></a>
-<span class="sourceLineNo">149</span>        .compressionByName(defaultCompressionStr);<a name="line.149"></a>
-<span class="sourceLineNo">150</span>    final boolean compactionExclude = conf.getBoolean(<a name="line.150"></a>
-<span class="sourceLineNo">151</span>        "hbase.mapreduce.hfileoutputformat.compaction.exclude", false);<a name="line.151"></a>
-<span class="sourceLineNo">152</span><a name="line.152"></a>
-<span class="sourceLineNo">153</span>    // create a map from column family to the compression algorithm<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    final Map&lt;byte[], Algorithm&gt; compressionMap = createFamilyCompressionMap(conf);<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    final Map&lt;byte[], BloomType&gt; bloomTypeMap = createFamilyBloomTypeMap(conf);<a name="line.155"></a>
-<span class="sourceLineNo">156</span>    final Map&lt;byte[], Integer&gt; blockSizeMap = createFamilyBlockSizeMap(conf);<a name="line.156"></a>
-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span>    String dataBlockEncodingStr = conf.get(DATABLOCK_ENCODING_OVERRIDE_CONF_KEY);<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    final Map&lt;byte[], DataBlockEncoding&gt; datablockEncodingMap<a name="line.159"></a>
-<span class="sourceLineNo">160</span>        = createFamilyDataBlockEncodingMap(conf);<a name="line.160"></a>
-<span class="sourceLineNo">161</span>    final DataBlockEncoding overriddenEncoding;<a name="line.161"></a>
-<span class="sourceLineNo">162</span>    if (dataBlockEncodingStr != null) {<a name="line.162"></a>
-<span class="sourceLineNo">163</span>      overriddenEncoding = DataBlockEncoding.valueOf(dataBlockEncodingStr);<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    } else {<a name="line.164"></a>
-<span class="sourceLineNo">165</span>      overriddenEncoding = null;<a name="line.165"></a>
-<span class="sourceLineNo">166</span>    }<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span>    return new RecordWriter&lt;ImmutableBytesWritable, V&gt;() {<a name="line.168"></a>
-<span class="sourceLineNo">169</span>      // Map of families to writers and how much has been output on the writer.<a name="line.169"></a>
-<span class="sourceLineNo">170</span>      private final Map&lt;byte [], WriterLength&gt; writers =<a name="line.170"></a>
-<span class="sourceLineNo">171</span>        new TreeMap&lt;byte [], WriterLength&gt;(Bytes.BYTES_COMPARATOR);<a name="line.171"></a>
-<span class="sourceLineNo">172</span>      private byte [] previousRow = HConstants.EMPTY_BYTE_ARRAY;<a name="line.172"></a>
-<span class="sourceLineNo">173</span>      private final byte [] now = Bytes.toBytes(System.currentTimeMillis());<a name="line.173"></a>
-<span class="sourceLineNo">174</span>      private boolean rollRequested = false;<a name="line.174"></a>
+<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.apache.hadoop.io.NullWritable;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.apache.hadoop.io.SequenceFile;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.io.Text;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.mapreduce.Job;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.apache.hadoop.mapreduce.OutputFormat;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import org.apache.hadoop.mapreduce.RecordWriter;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import org.apache.hadoop.mapreduce.TaskAttemptContext;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>import org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>import com.google.common.annotations.VisibleForTesting;<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>/**<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * Writes HFiles. Passed Cells must arrive in order.<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * Writes current time as the sequence id for the file. Sets the major compacted<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * attribute on created @{link {@link HFile}s. Calling write(null,null) will forcibly roll<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * all HFiles being written.<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * &lt;p&gt;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * Using this class as part of a MapReduce job is best done<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * using {@link #configureIncrementalLoad(Job, HTableDescriptor, RegionLocator, Class)}.<a name="line.91"></a>
+<span class="sourceLineNo">092</span> */<a name="line.92"></a>
+<span class="sourceLineNo">093</span>@InterfaceAudience.Public<a name="line.93"></a>
+<span class="sourceLineNo">094</span>@InterfaceStability.Evolving<a name="line.94"></a>
+<span class="sourceLineNo">095</span>public class HFileOutputFormat2<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    extends FileOutputFormat&lt;ImmutableBytesWritable, Cell&gt; {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>  private static final Log LOG = LogFactory.getLog(HFileOutputFormat2.class);<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>  // The following constants are private since these are used by<a name="line.99"></a>
+<span class="sourceLineNo">100</span>  // HFileOutputFormat2 to internally transfer data between job setup and<a name="line.100"></a>
+<span class="sourceLineNo">101</span>  // reducer run using conf.<a name="line.101"></a>
+<span class="sourceLineNo">102</span>  // These should not be changed by the client.<a name="line.102"></a>
+<span class="sourceLineNo">103</span>  private static final String COMPRESSION_FAMILIES_CONF_KEY =<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      "hbase.hfileoutputformat.families.compression";<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  private static final String BLOOM_TYPE_FAMILIES_CONF_KEY =<a name="line.105"></a>
+<span class="sourceLineNo">106</span>      "hbase.hfileoutputformat.families.bloomtype";<a name="line.106"></a>
+<span class="sourceLineNo">107</span>  private static final String BLOCK_SIZE_FAMILIES_CONF_KEY =<a name="line.107"></a>
+<span class="sourceLineNo">108</span>      "hbase.mapreduce.hfileoutputformat.blocksize";<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  private static final String DATABLOCK_ENCODING_FAMILIES_CONF_KEY =<a name="line.109"></a>
+<span class="sourceLineNo">110</span>      "hbase.mapreduce.hfileoutputformat.families.datablock.encoding";<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span>  // This constant is public since the client can modify this when setting<a name="line.112"></a>
+<span class="sourceLineNo">113</span>  // up their conf object and thus refer to this symbol.<a name="line.113"></a>
+<span class="sourceLineNo">114</span>  // It is present for backwards compatibility reasons. Use it only to<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  // override the auto-detection of datablock encoding.<a name="line.115"></a>
+<span class="sourceLineNo">116</span>  public static final String DATABLOCK_ENCODING_OVERRIDE_CONF_KEY =<a name="line.116"></a>
+<span class="sourceLineNo">117</span>      "hbase.mapreduce.hfileoutputformat.datablock.encoding";<a name="line.117"></a>
+<span class="sourceLineNo">118</span><a name="line.118"></a>
+<span class="sourceLineNo">119</span>  /**<a name="line.119"></a>
+<span class="sourceLineNo">120</span>   * Keep locality while generating HFiles for bulkload. See HBASE-12596<a name="line.120"></a>
+<span class="sourceLineNo">121</span>   */<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  public static final String LOCALITY_SENSITIVE_CONF_KEY =<a name="line.122"></a>
+<span class="sourceLineNo">123</span>      "hbase.bulkload.locality.sensitive.enabled";<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  private static final boolean DEFAULT_LOCALITY_SENSITIVE = true;<a name="line.124"></a>
+<span class="sourceLineNo">125</span>  private static final String OUTPUT_TABLE_NAME_CONF_KEY =<a name="line.125"></a>
+<span class="sourceLineNo">126</span>      "hbase.mapreduce.hfileoutputformat.table.name";<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span>  @Override<a name="line.128"></a>
+<span class="sourceLineNo">129</span>  public RecordWriter&lt;ImmutableBytesWritable, Cell&gt; getRecordWriter(<a name="line.129"></a>
+<span class="sourceLineNo">130</span>      final TaskAttemptContext context) throws IOException, InterruptedException {<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    return createRecordWriter(context);<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>  static &lt;V extends Cell&gt; RecordWriter&lt;ImmutableBytesWritable, V&gt;<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  createRecordWriter(final TaskAttemptContext context) throws IOException {<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    return new HFileRecordWriter&lt;V&gt;(context, null);<a name="line.136"></a>
+<span class="sourceLineNo">137</span>  }<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span>  protected static class HFileRecordWriter&lt;V extends Cell&gt;<a name="line.139"></a>
+<span class="sourceLineNo">140</span>      extends RecordWriter&lt;ImmutableBytesWritable, V&gt; {<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    private final TaskAttemptContext context;<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    private final Path outputPath;<a name="line.142"></a>
+<span class="sourceLineNo">143</span>    private final Path outputDir;<a name="line.143"></a>
+<span class="sourceLineNo">144</span>    private final Configuration conf;<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    private final FileSystem fs;<a name="line.145"></a>
+<span class="sourceLineNo">146</span><a name="line.146"></a>
+<span class="sourceLineNo">147</span>    private final long maxsize;<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span>    private final Algorithm defaultCompression;<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    private final boolean compactionExclude;<a name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span>    private final Map&lt;byte[], Algorithm&gt; compressionMap;<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    private final Map&lt;byte[], BloomType&gt; bloomTypeMap;<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    private final Map&lt;byte[], Integer&gt; blockSizeMap;<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span>    private final Map&lt;byte[], DataBlockEncoding&gt; datablockEncodingMap;<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    private final DataBlockEncoding overriddenEncoding;<a name="line.157"></a>
+<span class="sourceLineNo">158</span><a name="line.158"></a>
+<span class="sourceLineNo">159</span>    private final Map&lt;byte[], WriterLength&gt; writers;<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    private byte[] previousRow;<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    private final byte[] now;<a name="line.161"></a>
+<span class="sourceLineNo">162</span>    private boolean rollRequested;<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span>    /**<a name="line.164"></a>
+<span class="sourceLineNo">165</span>     * Mapredue job will create a temp path for outputting results. If out != null, it means that<a name="line.165"></a>
+<span class="sourceLineNo">166</span>     * the caller has set the temp working dir; If out == null, it means we need to set it here.<a name="line.166"></a>
+<span class="sourceLineNo">167</span>     * Used by HFileOutputFormat2 and MultiHFileOutputFormat. MultiHFileOutputFormat will give us<a name="line.167"></a>
+<span class="sourceLineNo">168</span>     * temp working dir at the table level and HFileOutputFormat2 has to set it here within this<a name="line.168"></a>
+<span class="sourceLineNo">169</span>     * constructor.<a name="line.169"></a>
+<span class="sourceLineNo">170</span>     */<a name="line.170"></a>
+<span class="sourceLineNo">171</span>    public HFileRecordWriter(final TaskAttemptContext taContext, final Path out)<a name="line.171"></a>
+<span class="sourceLineNo">172</span>        throws IOException {<a name="line.172"></a>
+<span class="sourceLineNo">173</span>      // Get the path of the temporary output file<a name="line.173"></a>
+<span class="sourceLineNo">174</span>      context = taContext;<a name="line.174"></a>
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