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<div class="subTitle">org.apache.hadoop.hbase.mapreduce</div>
<h2 title="Class WALPlayer" class="title">Class WALPlayer</h2>
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<li>org.apache.hadoop.conf.Configured</li>
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<pre>@InterfaceAudience.Public
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html#line.74">WALPlayer</a>
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool</pre>
<div class="block">A tool to replay WAL files as a M/R job.
The WAL can be replayed for a set of tables or all tables,
and a time range can be provided (in milliseconds).
The WAL is filtered to the passed set of tables and the output
can optionally be mapped to another set of tables.
WAL replay can also generate HFiles for later bulk importing,
in that case the WAL is replayed for a single table only.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#BULK_OUTPUT_CONF_KEY">BULK_OUTPUT_CONF_KEY</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#IGNORE_MISSING_FILES">IGNORE_MISSING_FILES</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#INPUT_FILES_SEPARATOR_KEY">INPUT_FILES_SEPARATOR_KEY</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <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></code></td>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#TABLE_MAP_KEY">TABLE_MAP_KEY</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#TABLES_KEY">TABLES_KEY</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#WALPlayer--">WALPlayer</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#WALPlayer-org.apache.hadoop.conf.Configuration-">WALPlayer</a></span>(org.apache.hadoop.conf.Configuration&nbsp;c)</code>&nbsp;</td>
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<td class="colFirst"><code>org.apache.hadoop.mapreduce.Job</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.html#createSubmittableJob-java.lang.String:A-">createSubmittableJob</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">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/WALPlayer.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/WALPlayer.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/WALPlayer.html#line.88">WALPlayer</a>()</pre>
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<pre>protected&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html#line.91">WALPlayer</a>(org.apache.hadoop.conf.Configuration&nbsp;c)</pre>
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<pre>public&nbsp;org.apache.hadoop.mapreduce.Job&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html#line.285">createSubmittableJob</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/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>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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<pre>public static&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html#line.404">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)
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<div class="block">Main entry point.</div>
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<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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<h4>run</h4>
<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html#line.410">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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