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| <div class="subTitle">org.apache.hadoop.io</div> |
| <h2 title="Class SequenceFile" class="title">Class SequenceFile</h2> |
| </div> |
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| <ul class="inheritance"> |
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| <ul class="inheritance"> |
| <li>org.apache.hadoop.io.SequenceFile</li> |
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| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class <span class="typeNameLabel">SequenceFile</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"><code>SequenceFile</code>s are flat files consisting of binary key/value |
| pairs. |
| |
| <p><code>SequenceFile</code> provides <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io"><code>SequenceFile.Writer</code></a>, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Reader.html" title="class in org.apache.hadoop.io"><code>SequenceFile.Reader</code></a> and <a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html" title="class in org.apache.hadoop.io"><code>SequenceFile.Sorter</code></a> classes for writing, |
| reading and sorting respectively.</p> |
| |
| There are three <code>SequenceFile</code> <code>Writer</code>s based on the |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io"><code>SequenceFile.CompressionType</code></a> used to compress key/value pairs: |
| <ol> |
| <li> |
| <code>Writer</code> : Uncompressed records. |
| </li> |
| <li> |
| <code>RecordCompressWriter</code> : Record-compressed files, only compress |
| values. |
| </li> |
| <li> |
| <code>BlockCompressWriter</code> : Block-compressed files, both keys & |
| values are collected in 'blocks' |
| separately and compressed. The size of |
| the 'block' is configurable. |
| </ol> |
| |
| <p>The actual compression algorithm used to compress key and/or values can be |
| specified by using the appropriate <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><code>CompressionCodec</code></a>.</p> |
| |
| <p>The recommended way is to use the static <tt>createWriter</tt> methods |
| provided by the <code>SequenceFile</code> to chose the preferred format.</p> |
| |
| <p>The <a href="../../../../org/apache/hadoop/io/SequenceFile.Reader.html" title="class in org.apache.hadoop.io"><code>SequenceFile.Reader</code></a> acts as the bridge and can read any of the |
| above <code>SequenceFile</code> formats.</p> |
| |
| <h3 id="Formats">SequenceFile Formats</h3> |
| |
| <p>Essentially there are 3 different formats for <code>SequenceFile</code>s |
| depending on the <code>CompressionType</code> specified. All of them share a |
| <a href="#Header">common header</a> described below. |
| |
| <h4 id="Header">SequenceFile Header</h4> |
| <ul> |
| <li> |
| version - 3 bytes of magic header <b>SEQ</b>, followed by 1 byte of actual |
| version number (e.g. SEQ4 or SEQ6) |
| </li> |
| <li> |
| keyClassName -key class |
| </li> |
| <li> |
| valueClassName - value class |
| </li> |
| <li> |
| compression - A boolean which specifies if compression is turned on for |
| keys/values in this file. |
| </li> |
| <li> |
| blockCompression - A boolean which specifies if block-compression is |
| turned on for keys/values in this file. |
| </li> |
| <li> |
| compression codec - <code>CompressionCodec</code> class which is used for |
| compression of keys and/or values (if compression is |
| enabled). |
| </li> |
| <li> |
| metadata - <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io"><code>SequenceFile.Metadata</code></a> for this file. |
| </li> |
| <li> |
| sync - A sync marker to denote end of the header. |
| </li> |
| </ul> |
| |
| <h5>Uncompressed SequenceFile Format</h5> |
| <ul> |
| <li> |
| <a href="#Header">Header</a> |
| </li> |
| <li> |
| Record |
| <ul> |
| <li>Record length</li> |
| <li>Key length</li> |
| <li>Key</li> |
| <li>Value</li> |
| </ul> |
| </li> |
| <li> |
| A sync-marker every few <code>100</code> kilobytes or so. |
| </li> |
| </ul> |
| |
| <h5>Record-Compressed SequenceFile Format</h5> |
| <ul> |
| <li> |
| <a href="#Header">Header</a> |
| </li> |
| <li> |
| Record |
| <ul> |
| <li>Record length</li> |
| <li>Key length</li> |
| <li>Key</li> |
| <li><i>Compressed</i> Value</li> |
| </ul> |
| </li> |
| <li> |
| A sync-marker every few <code>100</code> kilobytes or so. |
| </li> |
| </ul> |
| |
| <h5>Block-Compressed SequenceFile Format</h5> |
| <ul> |
| <li> |
| <a href="#Header">Header</a> |
| </li> |
| <li> |
| Record <i>Block</i> |
| <ul> |
| <li>Uncompressed number of records in the block</li> |
| <li>Compressed key-lengths block-size</li> |
| <li>Compressed key-lengths block</li> |
| <li>Compressed keys block-size</li> |
| <li>Compressed keys block</li> |
| <li>Compressed value-lengths block-size</li> |
| <li>Compressed value-lengths block</li> |
| <li>Compressed values block-size</li> |
| <li>Compressed values block</li> |
| </ul> |
| </li> |
| <li> |
| A sync-marker every block. |
| </li> |
| </ul> |
| |
| <p>The compressed blocks of key lengths and value lengths consist of the |
| actual lengths of individual keys/values encoded in ZeroCompressedInteger |
| format.</p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><code>CompressionCodec</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
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| <!-- ======== NESTED CLASS SUMMARY ======== --> |
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| <h3>Nested Class Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation"> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a></span></code> |
| <div class="block">The compression type used to compress key/value pairs in the |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io"><code>SequenceFile</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a></span></code> |
| <div class="block">The class encapsulating with the metadata of a file.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Reader.html" title="class in org.apache.hadoop.io">SequenceFile.Reader</a></span></code> |
| <div class="block">Reads key/value pairs from a sequence-format file.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Sorter.html" title="class in org.apache.hadoop.io">SequenceFile.Sorter</a></span></code> |
| <div class="block">Sorts key/value pairs in a sequence-format file.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.ValueBytes.html" title="interface in org.apache.hadoop.io">SequenceFile.ValueBytes</a></span></code> |
| <div class="block">The interface to 'raw' values of SequenceFiles.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a></span></code> |
| <div class="block">Write key/value pairs to a sequence-format file.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <!-- --> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <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>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.html#SYNC_INTERVAL">SYNC_INTERVAL</a></span></code> |
| <div class="block">The number of bytes between sync points.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FSDataOutputStream-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a> out, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FSDataOutputStream-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.io.SequenceFile.Metadata-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a> out, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a>... opts)</code> |
| <div class="block">Create a new Writer with the given options.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileContext-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.io.SequenceFile.Metadata-java.util.EnumSet-org.apache.hadoop.fs.Options.CreateOpts...-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileContext.html" title="class in org.apache.hadoop.fs">FileContext</a> fc, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a><<a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs">CreateFlag</a>> createFlag, |
| <a href="../../../../org/apache/hadoop/fs/Options.CreateOpts.html" title="class in org.apache.hadoop.fs">Options.CreateOpts</a>... opts)</code> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-int-short-long-boolean-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.io.SequenceFile.Metadata-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| int bufferSize, |
| short replication, |
| long blockSize, |
| boolean createParent, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-int-short-long-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.util.Progressable-org.apache.hadoop.io.SequenceFile.Metadata-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| int bufferSize, |
| short replication, |
| long blockSize, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.util.Progressable-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.util.Progressable-org.apache.hadoop.io.SequenceFile.Metadata-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <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.html#createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.util.Progressable-">createWriter</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.html#getDefaultCompressionType-org.apache.hadoop.conf.Configuration-">getDefaultCompressionType</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> job)</code> |
| <div class="block">Get the compression type for the reduce outputs</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.html#setDefaultCompressionType-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.CompressionType-">setDefaultCompressionType</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> job, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> val)</code> |
| <div class="block">Set the default compression type for sequence files.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a name="SYNC_INTERVAL"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>SYNC_INTERVAL</h4> |
| <pre>public static final int SYNC_INTERVAL</pre> |
| <div class="block">The number of bytes between sync points. 100 KB, default. |
| Computed as 5 KB * 20 = 100 KB</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.apache.hadoop.io.SequenceFile.SYNC_INTERVAL">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="getDefaultCompressionType-org.apache.hadoop.conf.Configuration-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDefaultCompressionType</h4> |
| <pre>public static <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> getDefaultCompressionType(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> job)</pre> |
| <div class="block">Get the compression type for the reduce outputs</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - the job config to look in</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the kind of compression to use</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setDefaultCompressionType-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.CompressionType-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setDefaultCompressionType</h4> |
| <pre>public static void setDefaultCompressionType(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> job, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> val)</pre> |
| <div class="block">Set the default compression type for sequence files.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - the configuration to modify</dd> |
| <dd><code>val</code> - the new compression type (none, block, record)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre>public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a>... opts) |
| 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">Create a new Writer with the given options.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the configuration to use</dd> |
| <dd><code>opts</code> - the options to create the file with</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-"> |
| <!-- --> |
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| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.util.Progressable-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>progress</code> - The Progressable object to track progress.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.util.Progressable-org.apache.hadoop.io.SequenceFile.Metadata-"> |
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| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dd><code>progress</code> - The Progressable object to track progress.</dd> |
| <dd><code>metadata</code> - The metadata of the file.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-int-short-long-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.util.Progressable-org.apache.hadoop.io.SequenceFile.Metadata-"> |
| <!-- --> |
| </a> |
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| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| int bufferSize, |
| short replication, |
| long blockSize, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>bufferSize</code> - buffer size for the underlaying outputstream.</dd> |
| <dd><code>replication</code> - replication factor for the file.</dd> |
| <dd><code>blockSize</code> - block size for the file.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dd><code>progress</code> - The Progressable object to track progress.</dd> |
| <dd><code>metadata</code> - The metadata of the file.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-int-short-long-boolean-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.io.SequenceFile.Metadata-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| int bufferSize, |
| short replication, |
| long blockSize, |
| boolean createParent, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata) |
| 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"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>bufferSize</code> - buffer size for the underlaying outputstream.</dd> |
| <dd><code>replication</code> - replication factor for the file.</dd> |
| <dd><code>blockSize</code> - block size for the file.</dd> |
| <dd><code>createParent</code> - create parent directory if non-existent</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dd><code>metadata</code> - The metadata of the file.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileContext-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.io.SequenceFile.Metadata-java.util.EnumSet-org.apache.hadoop.fs.Options.CreateOpts...-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre>public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileContext.html" title="class in org.apache.hadoop.fs">FileContext</a> fc, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a><<a href="../../../../org/apache/hadoop/fs/CreateFlag.html" title="enum in org.apache.hadoop.fs">CreateFlag</a>> createFlag, |
| <a href="../../../../org/apache/hadoop/fs/Options.CreateOpts.html" title="class in org.apache.hadoop.fs">Options.CreateOpts</a>... opts) |
| 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">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fc</code> - The context for the specified file.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dd><code>metadata</code> - The metadata of the file.</dd> |
| <dd><code>createFlag</code> - gives the semantics of create: overwrite, append etc.</dd> |
| <dd><code>opts</code> - file creation options; see <a href="../../../../org/apache/hadoop/fs/Options.CreateOpts.html" title="class in org.apache.hadoop.fs"><code>Options.CreateOpts</code></a>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.util.Progressable-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> name, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a> progress) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The configured filesystem.</dd> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>name</code> - The name of the file.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dd><code>progress</code> - The Progressable object to track progress.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FSDataOutputStream-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.io.SequenceFile.Metadata-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a> out, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a> metadata) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of 'raw' SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>out</code> - The stream on top which the writer is to be constructed.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dd><code>metadata</code> - The metadata of the file.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| <a name="createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FSDataOutputStream-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>createWriter</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| public static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html" title="class in org.apache.hadoop.io">SequenceFile.Writer</a> createWriter(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a> conf, |
| <a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a> out, |
| <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> 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> valClass, |
| <a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a> compressionType, |
| <a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a> codec) |
| 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"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>createWriter(Configuration, Writer.Option...)</code></a> |
| instead.</span></div> |
| <div class="block">Construct the preferred type of 'raw' SequenceFile Writer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - The configuration.</dd> |
| <dd><code>out</code> - The stream on top which the writer is to be constructed.</dd> |
| <dd><code>keyClass</code> - The 'key' type.</dd> |
| <dd><code>valClass</code> - The 'value' type.</dd> |
| <dd><code>compressionType</code> - The compression type.</dd> |
| <dd><code>codec</code> - The compression codec.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Returns the handle to the constructed SequenceFile 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> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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