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<h2 title="Class SampleUploader" class="title">Class SampleUploader</h2>
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<li>org.apache.hadoop.conf.Configured</li>
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<pre>@InterfaceAudience.Private
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html#line.64">SampleUploader</a>
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool</pre>
<div class="block">Sample Uploader MapReduce
<p>
This is EXAMPLE code. You will need to change it to work for your context.
<p>
Uses <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableReducer</code></a> to put the data into HBase. Change the InputFormat
to suit your data. In this example, we are importing a CSV file.
<p>
<pre>row,family,qualifier,value</pre>
<p>
The table and columnfamily we're to insert into must preexist.
<p>
There is no reducer in this example as it is not necessary and adds
significant overhead. If you need to do any massaging of data before
inserting into HBase, you can do this in the map as well.
<p>Do the following to start the MR job:
<pre>
./bin/hadoop org.apache.hadoop.hbase.mapreduce.SampleUploader /tmp/input.csv TABLE_NAME
</pre>
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This code was written against HBase 0.21 trunk.</div>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SampleUploader.Uploader.html" title="class in org.apache.hadoop.hbase.mapreduce">SampleUploader.Uploader</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SampleUploader.html#SampleUploader--">SampleUploader</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>static org.apache.hadoop.mapreduce.Job</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SampleUploader.html#configureJob-org.apache.hadoop.conf.Configuration-java.lang.String:A-">configureJob</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>
<div class="block">Job configuration.</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SampleUploader.html#main-java.lang.String:A-">main</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SampleUploader.html#run-java.lang.String:A-">run</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;otherArgs)</code>
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<pre>private static final&nbsp;org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html#line.65">LOG</a></pre>
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<pre>private static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html#line.67">NAME</a></pre>
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<pre>public&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html#line.64">SampleUploader</a>()</pre>
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<pre>public static&nbsp;org.apache.hadoop.mapreduce.Job&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html#line.116">configureJob</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Job configuration.</div>
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<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html#line.137">run</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;otherArgs)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block">Main entry point.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>run</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.util.Tool</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>otherArgs</code> - The command line parameters after ToolRunner handles standard.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - When running the job fails.</dd>
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<pre>public static&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html#line.147">main</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
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