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<div class="subTitle">org.apache.nutch.indexer</div>
<h2 title="Class IndexerMapReduce" class="title">Class IndexerMapReduce</h2>
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<li><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/conf/Configured.html?is-external=true" title="class or interface in org.apache.hadoop.conf">org.apache.hadoop.conf.Configured</a></li>
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<li>org.apache.nutch.indexer.IndexerMapReduce</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/conf/Configurable.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configurable</a></dd>
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<pre>public class <span class="typeNameLabel">IndexerMapReduce</span>
extends <a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/conf/Configured.html?is-external=true" title="class or interface in org.apache.hadoop.conf">Configured</a></pre>
<div class="block"><p>
This class is typically invoked from within
<a href="../../../../org/apache/nutch/indexer/IndexingJob.html" title="class in org.apache.nutch.indexer"><code>IndexingJob</code></a> and handles all MapReduce
functionality required when undertaking indexing.
</p>
<p>
This is a consequence of one or more indexing plugins being invoked which
extend <a href="../../../../org/apache/nutch/indexer/IndexWriter.html" title="interface in org.apache.nutch.indexer"><code>IndexWriter</code></a>.
</p>
<p>
See
<code>org.apache.nutch.indexer.IndexerMapReduce#initMRJob(Path, Path, Collection, JobConf, boolean)</code>
for details on the specific data structures and parameters required for
indexing.
</p></div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/indexer/IndexerMapReduce.IndexerMapper.html" title="class in org.apache.nutch.indexer">IndexerMapReduce.IndexerMapper</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/indexer/IndexerMapReduce.IndexerReducer.html" title="class in org.apache.nutch.indexer">IndexerMapReduce.IndexerReducer</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/nutch/indexer/IndexerMapReduce.html#INDEXER_DELETE_SKIPPED">INDEXER_DELETE_SKIPPED</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/nutch/indexer/IndexerMapReduce.html#INDEXER_NO_COMMIT">INDEXER_NO_COMMIT</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/nutch/indexer/IndexerMapReduce.html#INDEXER_PARAMS">INDEXER_PARAMS</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/nutch/indexer/IndexerMapReduce.html#INDEXER_SKIP_NOTMODIFIED">INDEXER_SKIP_NOTMODIFIED</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/nutch/indexer/IndexerMapReduce.html#URL_FILTERING">URL_FILTERING</a></span></code>&nbsp;</td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/indexer/IndexerMapReduce.html#URL_NORMALIZING">URL_NORMALIZING</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/indexer/IndexerMapReduce.html#IndexerMapReduce--">IndexerMapReduce</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/indexer/IndexerMapReduce.html#initMRJob-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-java.util.Collection-org.apache.hadoop.mapreduce.Job-boolean-">initMRJob</a></span>(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;crawlDb,
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<code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/conf/Configured.html?is-external=true#getConf--" title="class or interface in org.apache.hadoop.conf">getConf</a>, <a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/conf/Configured.html?is-external=true#setConf-org.apache.hadoop.conf.Configuration-" title="class or interface in org.apache.hadoop.conf">setConf</a></code></li>
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<pre>public 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> INDEXER_PARAMS</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.nutch.indexer.IndexerMapReduce.INDEXER_PARAMS">Constant Field Values</a></dd>
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<pre>public 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> INDEXER_DELETE</pre>
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<pre>public 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> INDEXER_NO_COMMIT</pre>
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<pre>public 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> INDEXER_DELETE_ROBOTS_NOINDEX</pre>
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<pre>public 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> INDEXER_DELETE_SKIPPED</pre>
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<pre>public 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> INDEXER_SKIP_NOTMODIFIED</pre>
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<pre>public 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> URL_FILTERING</pre>
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<pre>public 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> URL_NORMALIZING</pre>
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<pre>public 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> INDEXER_BINARY_AS_BASE64</pre>
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<pre>public&nbsp;IndexerMapReduce()</pre>
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<a name="initMRJob-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-java.util.Collection-org.apache.hadoop.mapreduce.Job-boolean-">
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<h4>initMRJob</h4>
<pre>public static&nbsp;void&nbsp;initMRJob(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;crawlDb,
<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&nbsp;linkDb,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/fs/Path.html?is-external=true" title="class or interface in org.apache.hadoop.fs">Path</a>&gt;&nbsp;segments,
<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Job.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Job</a>&nbsp;job,
boolean&nbsp;addBinaryContent)
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>
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<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></dd>
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