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| <h1 title="Package" class="title">Package org.apache.hadoop.hbase.mapreduce</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> |
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| <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/mapreduce/VisibilityExpressionResolver.html" title="interface in org.apache.hadoop.hbase.mapreduce">VisibilityExpressionResolver</a></td> |
| <td class="colLast"> |
| <div class="block">Interface to convert visibility expressions into Tags for storing along with Cells in HFiles.</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/mapreduce/CellCounter.html" title="class in org.apache.hadoop.hbase.mapreduce">CellCounter</a></td> |
| <td class="colLast"> |
| <div class="block">A job with a a map and reduce phase to count cells in a table.</div> |
| </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellCounter.CellCounterMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">CellCounter.CellCounterMapper</a></td> |
| <td class="colLast"> |
| <div class="block">Mapper that runs the count.</div> |
| </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellCounter.IntSumReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">CellCounter.IntSumReducer</a><Key></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellCreator.html" title="class in org.apache.hadoop.hbase.mapreduce">CellCreator</a></td> |
| <td class="colLast"> |
| <div class="block">Facade to create Cells for HFileOutputFormat.</div> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellSerialization.html" title="class in org.apache.hadoop.hbase.mapreduce">CellSerialization</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellSerialization.CellDeserializer.html" title="class in org.apache.hadoop.hbase.mapreduce">CellSerialization.CellDeserializer</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellSerialization.CellSerializer.html" title="class in org.apache.hadoop.hbase.mapreduce">CellSerialization.CellSerializer</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CellSortReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">CellSortReducer</a></td> |
| <td class="colLast"> |
| <div class="block">Emits sorted Cells.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/CopyTable.html" title="class in org.apache.hadoop.hbase.mapreduce">CopyTable</a></td> |
| <td class="colLast"> |
| <div class="block">Tool used to copy a table to another one which can be on a different setup.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/DefaultVisibilityExpressionResolver.html" title="class in org.apache.hadoop.hbase.mapreduce">DefaultVisibilityExpressionResolver</a></td> |
| <td class="colLast"> |
| <div class="block">This implementation creates tags by expanding expression using label ordinal.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Driver.html" title="class in org.apache.hadoop.hbase.mapreduce">Driver</a></td> |
| <td class="colLast"> |
| <div class="block">Driver for hbase mapreduce jobs.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Export.html" title="class in org.apache.hadoop.hbase.mapreduce">Export</a></td> |
| <td class="colLast"> |
| <div class="block">Export an HBase table.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/ExportUtils.html" title="class in org.apache.hadoop.hbase.mapreduce">ExportUtils</a></td> |
| <td class="colLast"> |
| <div class="block">Some helper methods are used by <a href="../../../../../org/apache/hadoop/hbase/mapreduce/Export.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>Export</code></a> |
| and org.apache.hadoop.hbase.coprocessor.Export (in hbase-endpooint).</div> |
| </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/GroupingTableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">GroupingTableMapper</a></td> |
| <td class="colLast"> |
| <div class="block">Extract grouping columns from input record.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HashTable.html" title="class in org.apache.hadoop.hbase.mapreduce">HashTable</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HashTable.HashMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">HashTable.HashMapper</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HashTable.ResultHasher.html" title="class in org.apache.hadoop.hbase.mapreduce">HashTable.ResultHasher</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HashTable.TableHash.html" title="class in org.apache.hadoop.hbase.mapreduce">HashTable.TableHash</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileInputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">Simple MR input format for HFiles.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileInputFormat.HFileRecordReader.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileInputFormat.HFileRecordReader</a></td> |
| <td class="colLast"> |
| <div class="block">Record reader for HFiles.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2</a></td> |
| <td class="colLast"> |
| <div class="block">Writes HFiles.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.TableInfo.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2.TableInfo</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.WriterLength.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2.WriterLength</a></td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HRegionPartitioner.html" title="class in org.apache.hadoop.hbase.mapreduce">HRegionPartitioner</a><KEY,VALUE></td> |
| <td class="colLast"> |
| <div class="block">This is used to partition the output keys into groups of keys.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/IdentityTableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">IdentityTableMapper</a></td> |
| <td class="colLast"> |
| <div class="block">Pass the given key and record as-is to the reduce phase.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/IdentityTableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">IdentityTableReducer</a></td> |
| <td class="colLast"> |
| <div class="block">Convenience class that simply writes all values (which must be |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client"><code>Put</code></a> or |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client"><code>Delete</code></a> instances) |
| passed to it out to the configured HBase table.</div> |
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| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.html" title="class in org.apache.hadoop.hbase.mapreduce">Import</a></td> |
| <td class="colLast"> |
| <div class="block">Import data written by <a href="../../../../../org/apache/hadoop/hbase/mapreduce/Export.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>Export</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.CellImporter.html" title="class in org.apache.hadoop.hbase.mapreduce">Import.CellImporter</a></td> |
| <td class="colLast"> |
| <div class="block">A mapper that just writes out KeyValues.</div> |
| </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.CellReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">Import.CellReducer</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.CellSortImporter.html" title="class in org.apache.hadoop.hbase.mapreduce">Import.CellSortImporter</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.CellWritableComparable.html" title="class in org.apache.hadoop.hbase.mapreduce">Import.CellWritableComparable</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.CellWritableComparable.CellWritableComparator.html" title="class in org.apache.hadoop.hbase.mapreduce">Import.CellWritableComparable.CellWritableComparator</a></td> |
| <td class="colLast"> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.CellWritableComparablePartitioner.html" title="class in org.apache.hadoop.hbase.mapreduce">Import.CellWritableComparablePartitioner</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/Import.Importer.html" title="class in org.apache.hadoop.hbase.mapreduce">Import.Importer</a></td> |
| <td class="colLast"> |
| <div class="block">Write table content out to files in hdfs.</div> |
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| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/ImportTsv.html" title="class in org.apache.hadoop.hbase.mapreduce">ImportTsv</a></td> |
| <td class="colLast"> |
| <div class="block">Tool to import data from a TSV file.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/ImportTsv.TsvParser.html" title="class in org.apache.hadoop.hbase.mapreduce">ImportTsv.TsvParser</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/IndexBuilder.html" title="class in org.apache.hadoop.hbase.mapreduce">IndexBuilder</a></td> |
| <td class="colLast"> |
| <div class="block">Example map/reduce job to construct index tables that can be used to quickly |
| find a row based on the value of a column.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/IndexBuilder.Map.html" title="class in org.apache.hadoop.hbase.mapreduce">IndexBuilder.Map</a></td> |
| <td class="colLast"> |
| <div class="block">Internal Mapper to be run by Hadoop.</div> |
| </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/JarFinder.html" title="class in org.apache.hadoop.hbase.mapreduce">JarFinder</a></td> |
| <td class="colLast"> |
| <div class="block">Finds the Jar for a class.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/JobUtil.html" title="class in org.apache.hadoop.hbase.mapreduce">JobUtil</a></td> |
| <td class="colLast"> |
| <div class="block">Utility methods to interact with a job.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">MultiTableHFileOutputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">Create 3 level tree directory, first level is using table name as parent |
| directory and then use family name as child directory, and all related HFiles |
| for one family are under child directory |
| -tableName1 |
| -columnFamilyName1 |
| -columnFamilyName2 |
| -HFiles |
| -tableName2 |
| -columnFamilyName1 |
| -HFiles |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">MultiTableInputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">Convert HBase tabular data from multiple scanners into a format that |
| is consumable by Map/Reduce.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableInputFormatBase.html" title="class in org.apache.hadoop.hbase.mapreduce">MultiTableInputFormatBase</a></td> |
| <td class="colLast"> |
| <div class="block">A base for <a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>MultiTableInputFormat</code></a>s.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">MultiTableOutputFormat</a></td> |
| <td class="colLast"> |
| <div class="block"> |
| Hadoop output format that writes to one or more HBase tables.</div> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableOutputFormat.MultiTableRecordWriter.html" title="class in org.apache.hadoop.hbase.mapreduce">MultiTableOutputFormat.MultiTableRecordWriter</a></td> |
| <td class="colLast"> |
| <div class="block">Record writer for outputting to multiple HTables.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">MultiTableSnapshotInputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">MultiTableSnapshotInputFormat generalizes |
| <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableSnapshotInputFormat</code></a> |
| allowing a MapReduce job to run over one or more table snapshots, with one or more scans |
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| </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableSnapshotInputFormatImpl.html" title="class in org.apache.hadoop.hbase.mapreduce">MultiTableSnapshotInputFormatImpl</a></td> |
| <td class="colLast"> |
| <div class="block">Shared implementation of mapreduce code over multiple table snapshots.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultithreadedTableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">MultithreadedTableMapper</a><K2,V2></td> |
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| <div class="block">Multithreaded implementation for @link org.apache.hbase.mapreduce.TableMapper</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MutationSerialization.html" title="class in org.apache.hadoop.hbase.mapreduce">MutationSerialization</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MutationSerialization.MutationDeserializer.html" title="class in org.apache.hadoop.hbase.mapreduce">MutationSerialization.MutationDeserializer</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/PutCombiner.html" title="class in org.apache.hadoop.hbase.mapreduce">PutCombiner</a><K></td> |
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| <div class="block">Combine Puts.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/PutSortReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">PutSortReducer</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/RegionSizeCalculator.html" title="class in org.apache.hadoop.hbase.mapreduce">RegionSizeCalculator</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/ResultSerialization.html" title="class in org.apache.hadoop.hbase.mapreduce">ResultSerialization</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/ResultSerialization.Result94Deserializer.html" title="class in org.apache.hadoop.hbase.mapreduce">ResultSerialization.Result94Deserializer</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/RowCounter.html" title="class in org.apache.hadoop.hbase.mapreduce">RowCounter</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/RowCounter.RowCounterCommandLineParser.html" title="class in org.apache.hadoop.hbase.mapreduce">RowCounter.RowCounterCommandLineParser</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/RowCounter.RowCounterMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">RowCounter.RowCounterMapper</a></td> |
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| <div class="block">Mapper that runs the count.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SampleUploader.html" title="class in org.apache.hadoop.hbase.mapreduce">SampleUploader</a></td> |
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| <div class="block">Sample Uploader MapReduce</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SimpleTotalOrderPartitioner.html" title="class in org.apache.hadoop.hbase.mapreduce">SimpleTotalOrderPartitioner</a><VALUE></td> |
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| <div class="block">A partitioner that takes start and end keys and uses bigdecimal to figure |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SyncTable.html" title="class in org.apache.hadoop.hbase.mapreduce">SyncTable</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">SyncTable.SyncMapper</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.CellScanner.html" title="class in org.apache.hadoop.hbase.mapreduce">SyncTable.SyncMapper.CellScanner</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">TableInputFormat</a></td> |
| <td class="colLast"> |
| <div class="block">Convert HBase tabular data into a format that is consumable by Map/Reduce.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html" title="class in org.apache.hadoop.hbase.mapreduce">TableInputFormatBase</a></td> |
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| <div class="block">A base for <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableInputFormat</code></a>s.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a><KEYOUT,VALUEOUT></td> |
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| <div class="block">Extends the base <code>Mapper</code> class to add the required input key |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapReduceUtil</a></td> |
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| <div class="block">Utility for <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableMapper</code></a> and <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableReducer</code></a></div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputCommitter.html" title="class in org.apache.hadoop.hbase.mapreduce">TableOutputCommitter</a></td> |
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| <div class="block">Small committer class that does not do anything.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">TableOutputFormat</a><KEY></td> |
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| <div class="block">Convert Map/Reduce output and write it to an HBase table.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableRecordReader.html" title="class in org.apache.hadoop.hbase.mapreduce">TableRecordReader</a></td> |
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| <div class="block">Iterate over an HBase table data, return (ImmutableBytesWritable, Result) |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableRecordReaderImpl.html" title="class in org.apache.hadoop.hbase.mapreduce">TableRecordReaderImpl</a></td> |
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| <div class="block">Iterate over an HBase table data, return (ImmutableBytesWritable, Result) |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a><KEYIN,VALUEIN,KEYOUT></td> |
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| <div class="block">Extends the basic <code>Reducer</code> class to add the required key and |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableSnapshotInputFormatImpl.html" title="class in org.apache.hadoop.hbase.mapreduce">TableSnapshotInputFormatImpl</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableSplit.html" title="class in org.apache.hadoop.hbase.mapreduce">TableSplit</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TsvImporterMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TsvImporterMapper</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce">WALInputFormat</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALInputFormat.WALRecordReader.html" title="class in org.apache.hadoop.hbase.mapreduce">WALInputFormat.WALRecordReader</a><K extends <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a>></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.WALKeyValueMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">WALPlayer.WALKeyValueMapper</a></td> |
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| <div class="block">A mapper that just writes out KeyValues.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/WALPlayer.WALMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">WALPlayer.WALMapper</a></td> |
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| 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> |
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