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| <h2 title="Class UpdateHostDbReducer" class="title">Class UpdateHostDbReducer</h2> |
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| <li><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce.Reducer</a><<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/crawl/NutchWritable.html" title="class in org.apache.nutch.crawl">NutchWritable</a>,<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a>></li> |
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| <li>org.apache.nutch.hostdb.UpdateHostDbReducer</li> |
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| <pre>public class <span class="typeNameLabel">UpdateHostDbReducer</span> |
| extends <a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer</a><<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/crawl/NutchWritable.html" title="class in org.apache.nutch.crawl">NutchWritable</a>,<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a>></pre> |
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| <h3>Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer</a></h3> |
| <code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.Context.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer.Context</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#checkFailed">checkFailed</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#checkKnown">checkKnown</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#checkNew">checkNew</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#executor">executor</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#force">force</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#now">now</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected 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/hostdb/UpdateHostDbReducer.html#numericFields">numericFields</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static <a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#numericFieldWritables">numericFieldWritables</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#numResolverThreads">numResolverThreads</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static int[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#percentiles">percentiles</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>protected static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#purgeFailedHostsThreshold">purgeFailedHostsThreshold</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/BlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">BlockingQueue</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#queue">queue</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>protected static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#recheckInterval">recheckInterval</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="../../../../org/apache/nutch/hostdb/ResolverThread.html" title="class in org.apache.nutch.hostdb">ResolverThread</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#resolverThread">resolverThread</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected 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/hostdb/UpdateHostDbReducer.html#stringFields">stringFields</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static <a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#stringFieldWritables">stringFieldWritables</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#UpdateHostDbReducer--">UpdateHostDbReducer</a></span>()</code> </td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#cleanup-org.apache.hadoop.mapreduce.Reducer.Context-">cleanup</a></span>(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.Context.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer.Context</a> context)</code> |
| <div class="block">Shut down all running threads and wait for completion.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#isEligibleForCheck-org.apache.nutch.hostdb.HostDatum-">isEligibleForCheck</a></span>(<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a> datum)</code> |
| <div class="block">Determines whether a record is eligible for recheck.</div> |
| </td> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#reduce-org.apache.hadoop.io.Text-java.lang.Iterable-org.apache.hadoop.mapreduce.Reducer.Context-">reduce</a></span>(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../org/apache/nutch/crawl/NutchWritable.html" title="class in org.apache.nutch.crawl">NutchWritable</a>> values, |
| <a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.Context.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer.Context</a> context)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#setup-org.apache.hadoop.mapreduce.Reducer.Context-">setup</a></span>(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.Context.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer.Context</a> context)</code> |
| <div class="block">Configures the thread pool and prestarts all resolver threads.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/nutch/hostdb/UpdateHostDbReducer.html#shouldCheck-org.apache.nutch.hostdb.HostDatum-">shouldCheck</a></span>(<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a> datum)</code> |
| <div class="block">Determines whether a record should be checked.</div> |
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| <h3>Methods inherited from class org.apache.hadoop.mapreduce.<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer</a></h3> |
| <code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true#run-org.apache.hadoop.mapreduce.Reducer.Context-" title="class or interface in org.apache.hadoop.mapreduce">run</a></code></li> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <h3>Field Detail</h3> |
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| <h4>resolverThread</h4> |
| <pre>protected <a href="../../../../org/apache/nutch/hostdb/ResolverThread.html" title="class in org.apache.nutch.hostdb">ResolverThread</a> resolverThread</pre> |
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| <pre>protected static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> purgeFailedHostsThreshold</pre> |
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| <pre>protected static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a> recheckInterval</pre> |
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| <pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ThreadPoolExecutor.html?is-external=true" title="class or interface in java.util.concurrent">ThreadPoolExecutor</a> executor</pre> |
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| <h3>Constructor Detail</h3> |
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| <pre>public UpdateHostDbReducer()</pre> |
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| <h4>setup</h4> |
| <pre>public void setup(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.Context.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer.Context</a> context)</pre> |
| <div class="block">Configures the thread pool and prestarts all resolver threads.</div> |
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| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true#setup-org.apache.hadoop.mapreduce.Reducer.Context-" title="class or interface in org.apache.hadoop.mapreduce">setup</a></code> in class <code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer</a><<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/crawl/NutchWritable.html" title="class in org.apache.nutch.crawl">NutchWritable</a>,<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a>></code></dd> |
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| <h4>reduce</h4> |
| <pre>public void reduce(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../org/apache/nutch/crawl/NutchWritable.html" title="class in org.apache.nutch.crawl">NutchWritable</a>> values, |
| <a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.Context.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer.Context</a> context) |
| 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>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true#reduce-KEYIN-java.lang.Iterable-org.apache.hadoop.mapreduce.Reducer.Context-" title="class or interface in org.apache.hadoop.mapreduce">reduce</a></code> in class <code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer</a><<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/crawl/NutchWritable.html" title="class in org.apache.nutch.crawl">NutchWritable</a>,<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a>></code></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></dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
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| <pre>protected boolean shouldCheck(<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a> datum)</pre> |
| <div class="block">Determines whether a record should be checked.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>datum</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>boolean</dd> |
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| <pre>protected boolean isEligibleForCheck(<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a> datum)</pre> |
| <div class="block">Determines whether a record is eligible for recheck.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>datum</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>boolean</dd> |
| </dl> |
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| <h4>cleanup</h4> |
| <pre>public void cleanup(<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.Context.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer.Context</a> context)</pre> |
| <div class="block">Shut down all running threads and wait for completion.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true#cleanup-org.apache.hadoop.mapreduce.Reducer.Context-" title="class or interface in org.apache.hadoop.mapreduce">cleanup</a></code> in class <code><a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/mapreduce/Reducer.html?is-external=true" title="class or interface in org.apache.hadoop.mapreduce">Reducer</a><<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/crawl/NutchWritable.html" title="class in org.apache.nutch.crawl">NutchWritable</a>,<a href="https://hadoop.apache.org/docs/r3.1.3/api/org/apache/hadoop/io/Text.html?is-external=true" title="class or interface in org.apache.hadoop.io">Text</a>,<a href="../../../../org/apache/nutch/hostdb/HostDatum.html" title="class in org.apache.nutch.hostdb">HostDatum</a>></code></dd> |
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