| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc --> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>org.apache.hadoop.hbase.mapred (Apache HBase 3.0.0-alpha-2-SNAPSHOT API)</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="org.apache.hadoop.hbase.mapred (Apache HBase 3.0.0-alpha-2-SNAPSHOT API)"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li class="navBarCell1Rev">Package</li> |
| <li>Class</li> |
| <li><a href="package-use.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/logging/package-summary.html">Prev Package</a></li> |
| <li><a href="../../../../../org/apache/hadoop/hbase/mapreduce/package-summary.html">Next Package</a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/hadoop/hbase/mapred/package-summary.html" target="_top">Frames</a></li> |
| <li><a href="package-summary.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <div class="header"> |
| <h1 title="Package" class="title">Package org.apache.hadoop.hbase.mapred</h1> |
| <div class="docSummary"> |
| <div class="block">Provides HBase <a href="https://cwiki.apache.org/confluence/display/HADOOP2/HadoopMapReduce">MapReduce</a> |
| Input/OutputFormats, a table indexing MapReduce job, and utility methods.</div> |
| </div> |
| <p>See: <a href="#package.description">Description</a></p> |
| </div> |
| <div class="contentContainer"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableMap.html" title="interface in org.apache.hadoop.hbase.mapred">TableMap</a><K extends org.apache.hadoop.io.WritableComparable<? super K>,V></td> |
| <td class="colLast"> |
| <div class="block">Scan an HBase table to sort by a specified sort column.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableReduce.html" title="interface in org.apache.hadoop.hbase.mapred">TableReduce</a><K extends org.apache.hadoop.io.WritableComparable,V></td> |
| <td class="colLast"> |
| <div class="block">Write a table, sorting by the input key</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/GroupingTableMap.html" title="class in org.apache.hadoop.hbase.mapred">GroupingTableMap</a></td> |
| <td class="colLast"> |
| <div class="block">Extract grouping columns from input record</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/HRegionPartitioner.html" title="class in org.apache.hadoop.hbase.mapred">HRegionPartitioner</a><K2,V2></td> |
| <td class="colLast"> |
| <div class="block">This is used to partition the output keys into groups of keys.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/IdentityTableMap.html" title="class in org.apache.hadoop.hbase.mapred">IdentityTableMap</a></td> |
| <td class="colLast"> |
| <div class="block">Pass the given key and record as-is to reduce</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/IdentityTableReduce.html" title="class in org.apache.hadoop.hbase.mapred">IdentityTableReduce</a></td> |
| <td class="colLast"> |
| <div class="block">Write to table each key, record pair</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/MultiTableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapred">MultiTableSnapshotInputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">MultiTableSnapshotInputFormat generalizes |
| <a href="../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapred"><code>TableSnapshotInputFormat</code></a> |
| allowing a MapReduce job to run over one or more table snapshots, with one or more scans |
| configured for each.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/RowCounter.html" title="class in org.apache.hadoop.hbase.mapred">RowCounter</a></td> |
| <td class="colLast"> |
| <div class="block">A job with a map to count rows.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableInputFormat.html" title="class in org.apache.hadoop.hbase.mapred">TableInputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">Convert HBase tabular data into a format that is consumable by Map/Reduce.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableInputFormatBase.html" title="class in org.apache.hadoop.hbase.mapred">TableInputFormatBase</a></td> |
| <td class="colLast"> |
| <div class="block">A Base for <a href="../../../../../org/apache/hadoop/hbase/mapred/TableInputFormat.html" title="class in org.apache.hadoop.hbase.mapred"><code>TableInputFormat</code></a>s.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableMapReduceUtil.html" title="class in org.apache.hadoop.hbase.mapred">TableMapReduceUtil</a></td> |
| <td class="colLast"> |
| <div class="block">Utility for <a href="../../../../../org/apache/hadoop/hbase/mapred/TableMap.html" title="interface in org.apache.hadoop.hbase.mapred"><code>TableMap</code></a> and <a href="../../../../../org/apache/hadoop/hbase/mapred/TableReduce.html" title="interface in org.apache.hadoop.hbase.mapred"><code>TableReduce</code></a></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableOutputFormat.html" title="class in org.apache.hadoop.hbase.mapred">TableOutputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">Convert Map/Reduce output and write it to an HBase table</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableRecordReader.html" title="class in org.apache.hadoop.hbase.mapred">TableRecordReader</a></td> |
| <td class="colLast"> |
| <div class="block">Iterate over an HBase table data, return (Text, RowResult) pairs</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableRecordReaderImpl.html" title="class in org.apache.hadoop.hbase.mapred">TableRecordReaderImpl</a></td> |
| <td class="colLast"> |
| <div class="block">Iterate over an HBase table data, return (Text, RowResult) pairs</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapred">TableSnapshotInputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableSplit.html" title="class in org.apache.hadoop.hbase.mapred">TableSplit</a></td> |
| <td class="colLast"> |
| <div class="block">A table split corresponds to a key range [low, high)</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| <a name="package.description"> |
| <!-- --> |
| </a> |
| <h2 title="Package org.apache.hadoop.hbase.mapred Description">Package org.apache.hadoop.hbase.mapred Description</h2> |
| <div class="block">Provides HBase <a href="https://cwiki.apache.org/confluence/display/HADOOP2/HadoopMapReduce">MapReduce</a> |
| Input/OutputFormats, a table indexing MapReduce job, and utility methods. |
| |
| <p>See <a href="http://hbase.apache.org/book.html#mapreduce">HBase and MapReduce</a> |
| in the HBase Reference Guide for mapreduce over hbase documentation.</div> |
| </div> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li class="navBarCell1Rev">Package</li> |
| <li>Class</li> |
| <li><a href="package-use.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/logging/package-summary.html">Prev Package</a></li> |
| <li><a href="../../../../../org/apache/hadoop/hbase/mapreduce/package-summary.html">Next Package</a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/hadoop/hbase/mapred/package-summary.html" target="_top">Frames</a></li> |
| <li><a href="package-summary.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| <p class="legalCopy"><small>Copyright © 2007–2021 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> |
| </body> |
| </html> |
