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<div class="subTitle">org.apache.hadoop.hbase.mapreduce</div>
<h2 title="Class CellCounter" class="title">Class CellCounter</h2>
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<pre>@InterfaceAudience.Public
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/CellCounter.html#line.73">CellCounter</a>
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool</pre>
<div class="block">A job with a a map and reduce phase to count cells in a table.
The counter lists the following stats for a given table:
<pre>
1. Total number of rows in the table
2. Total number of CFs across all rows
3. Total qualifiers across all rows
4. Total occurrence of each CF
5. Total occurrence of each qualifier
6. Total number of versions of each qualifier.
</pre>
The cellcounter can take optional parameters to use a user
supplied row/family/qualifier string to use in the report and
second a regex based or prefix based row filter to restrict the
count operation to a limited subset of rows from the table or a
start time and/or end time to limit the count to a time range.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellCounter.html#CellCounter--">CellCounter</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/CellCounter.html#createSubmittableJob-org.apache.hadoop.conf.Configuration-java.lang.String:A-">createSubmittableJob</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">Sets up the actual job.</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/CellCounter.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>
<div class="block">Main entry point.</div>
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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/CellCounter.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;args)</code>&nbsp;</td>
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<pre>public&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/CellCounter.html#line.73">CellCounter</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/CellCounter.html#line.208">createSubmittableJob</a>(org.apache.hadoop.conf.Configuration&nbsp;conf,
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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">Sets up the actual job.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - The current configuration.</dd>
<dd><code>args</code> - The command line parameters.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The newly created job.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><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></code> - When setting up the job fails.</dd>
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<h4>run</h4>
<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/CellCounter.html#line.293">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;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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<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="throwsLabel">Throws:</span></dt>
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<pre>public static&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/CellCounter.html#line.332">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>
<div class="block">Main entry point.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>args</code> - The command line parameters.</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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