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<div class="subTitle">org.apache.hadoop.io</div>
<h2 title="Class SequenceFile.Sorter" class="title">Class SequenceFile.Sorter</h2>
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<li>org.apache.hadoop.io.SequenceFile.Sorter</li>
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<pre>public static class <span class="typeNameLabel">SequenceFile.Sorter</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Sorts key/value pairs in a sequence-format file.
<p>For best performance, applications should make sure that the <a href="../../../../org/apache/hadoop/io/Writable.html#readFields-java.io.DataInput-"><code>Writable.readFields(DataInput)</code></a> implementation of their keys is
very efficient. In particular, it should avoid allocating memory.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a></span></code>
<div class="block">The interface to iterate over raw keys/values of SequenceFiles.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.SegmentDescriptor.html" title="class in org.apache.hadoop.io">SequenceFile.Sorter.SegmentDescriptor</a></span></code>
<div class="block">This class defines a merge segment.</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#Sorter-org.apache.hadoop.fs.FileSystem-java.lang.Class-java.lang.Class-org.apache.hadoop.conf.Configuration-">Sorter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&gt;&nbsp;keyClass,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Sort and merge files containing the named classes.</div>
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</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#Sorter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.io.RawComparator-java.lang.Class-java.lang.Class-org.apache.hadoop.conf.Configuration-">Sorter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a>&nbsp;comparator,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;keyClass,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Sort and merge using an arbitrary <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#Sorter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.io.RawComparator-java.lang.Class-java.lang.Class-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Metadata-">Sorter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a>&nbsp;comparator,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;keyClass,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a>&nbsp;metadata)</code>
<div class="block">Sort and merge using an arbitrary <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a>.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#cloneFileAttributes-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.util.Progressable-">cloneFileAttributes</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;inputFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outputFile,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;prog)</code>
<div class="block">Clones the attributes (like compression of the input file and creates a
corresponding Writer</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#getFactor--">getFactor</a></span>()</code>
<div class="block">Get the number of streams to merge at once.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#getMemory--">getMemory</a></span>()</code>
<div class="block">Get the total amount of buffer memory, in bytes.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#merge-java.util.List-org.apache.hadoop.fs.Path-">merge</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.SegmentDescriptor.html" title="class in org.apache.hadoop.io">SequenceFile.Sorter.SegmentDescriptor</a>&gt;&nbsp;segments,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpDir)</code>
<div class="block">Merges the list of segments of type <code>SegmentDescriptor</code></div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#merge-org.apache.hadoop.fs.Path:A-boolean-int-org.apache.hadoop.fs.Path-">merge</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inNames,
boolean&nbsp;deleteInputs,
int&nbsp;factor,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpDir)</code>
<div class="block">Merges the contents of files passed in Path[]</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#merge-org.apache.hadoop.fs.Path:A-boolean-org.apache.hadoop.fs.Path-">merge</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inNames,
boolean&nbsp;deleteInputs,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpDir)</code>
<div class="block">Merges the contents of files passed in Path[] using a max factor value
that is already set</div>
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</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#merge-org.apache.hadoop.fs.Path:A-org.apache.hadoop.fs.Path-">merge</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inFiles,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outFile)</code>
<div class="block">Merge the provided files.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#merge-org.apache.hadoop.fs.Path:A-org.apache.hadoop.fs.Path-boolean-">merge</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inNames,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tempDir,
boolean&nbsp;deleteInputs)</code>
<div class="block">Merges the contents of files passed in Path[]</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#setFactor-int-">setFactor</a></span>(int&nbsp;factor)</code>
<div class="block">Set the number of streams to merge at once.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#setMemory-int-">setMemory</a></span>(int&nbsp;memory)</code>
<div class="block">Set the total amount of buffer memory, in bytes.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#setProgressable-org.apache.hadoop.util.Progressable-">setProgressable</a></span>(<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progressable)</code>
<div class="block">Set the progressable object in order to report progress.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#sort-org.apache.hadoop.fs.Path:A-org.apache.hadoop.fs.Path-boolean-">sort</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inFiles,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outFile,
boolean&nbsp;deleteInput)</code>
<div class="block">Perform a file sort from a set of input files into an output file.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#sort-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">sort</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;inFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outFile)</code>
<div class="block">The backwards compatible interface to sort.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#sortAndIterate-org.apache.hadoop.fs.Path:A-org.apache.hadoop.fs.Path-boolean-">sortAndIterate</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inFiles,
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boolean&nbsp;deleteInput)</code>
<div class="block">Perform a file sort from a set of input files and return an iterator.</div>
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</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html#writeFile-org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator-org.apache.hadoop.io.SequenceFile.Writer-">writeFile</a></span>(<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a>&nbsp;records,
<a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a>&nbsp;writer)</code>
<div class="block">Writes records from RawKeyValueIterator into a file represented by the
passed writer</div>
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<pre>public&nbsp;Sorter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&gt;&nbsp;keyClass,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</pre>
<div class="block">Sort and merge files containing the named classes.</div>
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<pre>public&nbsp;Sorter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a>&nbsp;comparator,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;keyClass,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</pre>
<div class="block">Sort and merge using an arbitrary <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a>.</div>
</li>
</ul>
<a name="Sorter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.io.RawComparator-java.lang.Class-java.lang.Class-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Metadata-">
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<pre>public&nbsp;Sorter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</a>&nbsp;comparator,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;keyClass,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a>&nbsp;metadata)</pre>
<div class="block">Sort and merge using an arbitrary <a href="../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io"><code>RawComparator</code></a>.</div>
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<pre>public&nbsp;void&nbsp;setFactor(int&nbsp;factor)</pre>
<div class="block">Set the number of streams to merge at once.</div>
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<pre>public&nbsp;int&nbsp;getFactor()</pre>
<div class="block">Get the number of streams to merge at once.</div>
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<pre>public&nbsp;void&nbsp;setMemory(int&nbsp;memory)</pre>
<div class="block">Set the total amount of buffer memory, in bytes.</div>
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<pre>public&nbsp;int&nbsp;getMemory()</pre>
<div class="block">Get the total amount of buffer memory, in bytes.</div>
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<pre>public&nbsp;void&nbsp;setProgressable(<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progressable)</pre>
<div class="block">Set the progressable object in order to report progress.</div>
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<h4>sort</h4>
<pre>public&nbsp;void&nbsp;sort(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inFiles,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outFile,
boolean&nbsp;deleteInput)
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">Perform a file sort from a set of input files into an output file.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inFiles</code> - the files to be sorted</dd>
<dd><code>outFile</code> - the sorted output file</dd>
<dd><code>deleteInput</code> - should the input files be deleted as they are read?</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>
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<pre>public&nbsp;<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a>&nbsp;sortAndIterate(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inFiles,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tempDir,
boolean&nbsp;deleteInput)
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">Perform a file sort from a set of input files and return an iterator.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inFiles</code> - the files to be sorted</dd>
<dd><code>tempDir</code> - the directory where temp files are created during sort</dd>
<dd><code>deleteInput</code> - should the input files be deleted as they are read?</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>iterator the RawKeyValueIterator</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>
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<h4>sort</h4>
<pre>public&nbsp;void&nbsp;sort(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;inFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outFile)
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">The backwards compatible interface to sort.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inFile</code> - the input file to sort</dd>
<dd><code>outFile</code> - the sorted output file</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>
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<h4>merge</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a>&nbsp;merge(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.SegmentDescriptor.html" title="class in org.apache.hadoop.io">SequenceFile.Sorter.SegmentDescriptor</a>&gt;&nbsp;segments,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpDir)
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">Merges the list of segments of type <code>SegmentDescriptor</code></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>segments</code> - the list of SegmentDescriptors</dd>
<dd><code>tmpDir</code> - the directory to write temporary files into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>RawKeyValueIterator</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>
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<h4>merge</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a>&nbsp;merge(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inNames,
boolean&nbsp;deleteInputs,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpDir)
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">Merges the contents of files passed in Path[] using a max factor value
that is already set</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inNames</code> - the array of path names</dd>
<dd><code>deleteInputs</code> - true if the input files should be deleted when
unnecessary</dd>
<dd><code>tmpDir</code> - the directory to write temporary files into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>RawKeyValueIteratorMergeQueue</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>
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<pre>public&nbsp;<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a>&nbsp;merge(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inNames,
boolean&nbsp;deleteInputs,
int&nbsp;factor,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tmpDir)
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">Merges the contents of files passed in Path[]</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inNames</code> - the array of path names</dd>
<dd><code>deleteInputs</code> - true if the input files should be deleted when
unnecessary</dd>
<dd><code>factor</code> - the factor that will be used as the maximum merge fan-in</dd>
<dd><code>tmpDir</code> - the directory to write temporary files into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>RawKeyValueIteratorMergeQueue</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>
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<h4>merge</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a>&nbsp;merge(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inNames,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;tempDir,
boolean&nbsp;deleteInputs)
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">Merges the contents of files passed in Path[]</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inNames</code> - the array of path names</dd>
<dd><code>tempDir</code> - the directory for creating temp files during merge</dd>
<dd><code>deleteInputs</code> - true if the input files should be deleted when
unnecessary</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>RawKeyValueIteratorMergeQueue</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>
</dl>
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<h4>cloneFileAttributes</h4>
<pre>public&nbsp;<a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a>&nbsp;cloneFileAttributes(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;inputFile,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outputFile,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;prog)
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">Clones the attributes (like compression of the input file and creates a
corresponding Writer</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inputFile</code> - the path of the input file whose attributes should be
cloned</dd>
<dd><code>outputFile</code> - the path of the output file</dd>
<dd><code>prog</code> - the Progressable to report status during the file write</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Writer</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>
</dl>
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<h4>writeFile</h4>
<pre>public&nbsp;void&nbsp;writeFile(<a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.RawKeyValueIterator.html" title="interface in org.apache.hadoop.io">SequenceFile.Sorter.RawKeyValueIterator</a>&nbsp;records,
<a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a>&nbsp;writer)
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">Writes records from RawKeyValueIterator into a file represented by the
passed writer</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>records</code> - the RawKeyValueIterator</dd>
<dd><code>writer</code> - the Writer created earlier</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>
</dl>
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<h4>merge</h4>
<pre>public&nbsp;void&nbsp;merge(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;inFiles,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;outFile)
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">Merge the provided files.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inFiles</code> - the array of input path names</dd>
<dd><code>outFile</code> - the final output file</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>
</dl>
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