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| <h1 title="Uses of Package org.apache.hadoop.io" class="title">Uses of Package<br>org.apache.hadoop.io</h1> |
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| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation"> |
| <caption><span>Packages that use <a href="../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Package</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.conf">org.apache.hadoop.conf</a></td> |
| <td class="colLast"> |
| <div class="block">Configuration of system parameters.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.fs">org.apache.hadoop.fs</a></td> |
| <td class="colLast"> |
| <div class="block">Implementations of <a href="../../../../org/apache/hadoop/fs/AbstractFileSystem.html" title="class in org.apache.hadoop.fs"><code>AbstractFileSystem</code></a> for hdfs |
| over rpc and hdfs over web.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.fs.permission">org.apache.hadoop.fs.permission</a></td> |
| <td class="colLast"> |
| <div class="block">This package provides support for HDFS permission and ACL.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.fs.s3a.auth.delegation">org.apache.hadoop.fs.s3a.auth.delegation</a></td> |
| <td class="colLast"> |
| <div class="block">Extensible delegation token support for the S3A connector.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.io">org.apache.hadoop.io</a></td> |
| <td class="colLast"> |
| <div class="block">Generic i/o code for use when reading and writing data to the network, |
| to databases, and to files.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.io.serializer">org.apache.hadoop.io.serializer</a></td> |
| <td class="colLast"> |
| <div class="block"> |
| This package provides a mechanism for using different serialization frameworks |
| in Hadoop.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.ipc">org.apache.hadoop.ipc</a></td> |
| <td class="colLast"> |
| <div class="block">Tools to help define network clients and servers.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapred">org.apache.hadoop.mapred</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapred.lib">org.apache.hadoop.mapred.lib</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapred.lib.aggregate">org.apache.hadoop.mapred.lib.aggregate</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapred.nativetask.serde">org.apache.hadoop.mapred.nativetask.serde</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.counters">org.apache.hadoop.mapreduce.counters</a></td> |
| <td class="colLast"> |
| <div class="block">This package contains the implementations of different types of |
| map-reduce counters.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.aggregate">org.apache.hadoop.mapreduce.lib.aggregate</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.db">org.apache.hadoop.mapreduce.lib.db</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.fieldsel">org.apache.hadoop.mapreduce.lib.fieldsel</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.input">org.apache.hadoop.mapreduce.lib.input</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.join">org.apache.hadoop.mapreduce.lib.join</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.map">org.apache.hadoop.mapreduce.lib.map</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.output">org.apache.hadoop.mapreduce.lib.output</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.partition">org.apache.hadoop.mapreduce.lib.partition</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.lib.reduce">org.apache.hadoop.mapreduce.lib.reduce</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.mapreduce.security">org.apache.hadoop.mapreduce.security</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.record">org.apache.hadoop.record</a></td> |
| <td class="colLast"> |
| <div class="block"> |
| (DEPRECATED) Hadoop record I/O contains classes and a record description language |
| translator for simplifying serialization and deserialization of records in a |
| language-neutral manner.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.security">org.apache.hadoop.security</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.security.authorize">org.apache.hadoop.security.authorize</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.security.token">org.apache.hadoop.security.token</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.security.token.delegation">org.apache.hadoop.security.token.delegation</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.util">org.apache.hadoop.util</a></td> |
| <td class="colLast"> |
| <div class="block">Common utilities.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.util.bloom">org.apache.hadoop.util.bloom</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.client">org.apache.hadoop.yarn.client</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.client.api">org.apache.hadoop.yarn.client.api</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.conf">org.apache.hadoop.yarn.conf</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.logaggregation">org.apache.hadoop.yarn.logaggregation</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.security">org.apache.hadoop.yarn.security</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.security.client">org.apache.hadoop.yarn.security.client</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.util">org.apache.hadoop.yarn.util</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.yarn.util.timeline">org.apache.hadoop.yarn.util.timeline</a></td> |
| <td class="colLast"> </td> |
| </tr> |
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| <th class="colOne" scope="col">Class and Description</th> |
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| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.conf">Writable</a> |
| <div class="block">A serializable object which implements a simple, efficient, serialization |
| protocol, based on <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><code>DataInput</code></a> and <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><code>DataOutput</code></a>.</div> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/ByteBufferPool.html#org.apache.hadoop.fs">ByteBufferPool</a> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.fs">Writable</a> |
| <div class="block">A serializable object which implements a simple, efficient, serialization |
| protocol, based on <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><code>DataInput</code></a> and <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><code>DataOutput</code></a>.</div> |
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| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.fs.permission">Writable</a> |
| <div class="block">A serializable object which implements a simple, efficient, serialization |
| protocol, based on <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io"><code>DataInput</code></a> and <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io"><code>DataOutput</code></a>.</div> |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/Text.html#org.apache.hadoop.fs.s3a.auth.delegation">Text</a> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/AbstractMapWritable.html#org.apache.hadoop.io">AbstractMapWritable</a> |
| <div class="block">Abstract base class for MapWritable and SortedMapWritable |
| |
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| MapWritable<Writable, MapWritable> so the CLASS_TO_ID and ID_TO_CLASS |
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| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/BinaryComparable.html#org.apache.hadoop.io">BinaryComparable</a> |
| <div class="block">Interface supported by <a href="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io"><code>WritableComparable</code></a> |
| types supporting ordering/permutation by a representative set of bytes.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/BooleanWritable.html#org.apache.hadoop.io">BooleanWritable</a> |
| <div class="block">A WritableComparable for booleans.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/ByteBufferPool.html#org.apache.hadoop.io">ByteBufferPool</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/BytesWritable.html#org.apache.hadoop.io">BytesWritable</a> |
| <div class="block">A byte sequence that is usable as a key or value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/ByteWritable.html#org.apache.hadoop.io">ByteWritable</a> |
| <div class="block">A WritableComparable for a single byte.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/DoubleWritable.html#org.apache.hadoop.io">DoubleWritable</a> |
| <div class="block">Writable for Double values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/FloatWritable.html#org.apache.hadoop.io">FloatWritable</a> |
| <div class="block">A WritableComparable for floats.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/IntWritable.html#org.apache.hadoop.io">IntWritable</a> |
| <div class="block">A WritableComparable for ints.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/LongWritable.html#org.apache.hadoop.io">LongWritable</a> |
| <div class="block">A WritableComparable for longs.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/MapFile.html#org.apache.hadoop.io">MapFile</a> |
| <div class="block">A file-based map from keys to values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/MapWritable.html#org.apache.hadoop.io">MapWritable</a> |
| <div class="block">A Writable Map.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/MD5Hash.html#org.apache.hadoop.io">MD5Hash</a> |
| <div class="block">A Writable for MD5 hash values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/NullWritable.html#org.apache.hadoop.io">NullWritable</a> |
| <div class="block">Singleton Writable with no data.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/ObjectWritable.html#org.apache.hadoop.io">ObjectWritable</a> |
| <div class="block">A polymorphic Writable that writes an instance with it's class name.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.io">RawComparator</a> |
| <div class="block"> |
| A <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util"><code>Comparator</code></a> that operates directly on byte representations of |
| objects.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/ShortWritable.html#org.apache.hadoop.io">ShortWritable</a> |
| <div class="block">A WritableComparable for shorts.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/SortedMapWritable.html#org.apache.hadoop.io">SortedMapWritable</a> |
| <div class="block">A Writable SortedMap.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/Stringifier.html#org.apache.hadoop.io">Stringifier</a> |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/VLongWritable.html#org.apache.hadoop.io">VLongWritable</a> |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/WritableComparator.html#org.apache.hadoop.io">WritableComparator</a> |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/WritableFactory.html#org.apache.hadoop.io">WritableFactory</a> |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.mapred">RawComparator</a> |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/Writable.html#org.apache.hadoop.mapred">Writable</a> |
| <div class="block">A serializable object which implements a simple, efficient, serialization |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/Closeable.html#org.apache.hadoop.mapred.lib">Closeable</a> |
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| <td class="colOne"><a href="../../../../org/apache/hadoop/io/class-use/RawComparator.html#org.apache.hadoop.mapreduce">RawComparator</a> |
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