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| <div class="subTitle">org.apache.hadoop.hbase.mapreduce</div> |
| <h2 title="Class MultiTableHFileOutputFormat" class="title">Class MultiTableHFileOutputFormat</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.mapreduce.OutputFormat<K,V></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<<a href="../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html" title="class in org.apache.hadoop.hbase.mapreduce">org.apache.hadoop.hbase.mapreduce.HFileOutputFormat2</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.mapreduce.MultiTableHFileOutputFormat</li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| <br> |
| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#line.47">MultiTableHFileOutputFormat</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2</a></pre> |
| <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 |
| -columnFamilyName2</div> |
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| <h3>Nested classes/interfaces inherited from class org.apache.hadoop.hbase.mapreduce.<a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.TableInfo.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2.TableInfo</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.WriterLength.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2.WriterLength</a></code></li> |
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| <h3>Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat</h3> |
| <code>org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.Counter</code></li> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
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| </a> |
| <h3>Fields inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat</h3> |
| <code>BASE_OUTPUT_NAME, COMPRESS, COMPRESS_CODEC, COMPRESS_TYPE, OUTDIR, PART</code></li> |
| </ul> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#MultiTableHFileOutputFormat--">MultiTableHFileOutputFormat</a></span>()</code> </td> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#configureIncrementalLoad-org.apache.hadoop.mapreduce.Job-java.util.List-">configureIncrementalLoad</a></span>(org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.TableInfo.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2.TableInfo</a>> multiTableDescriptors)</code> |
| <div class="block">Analogous to |
| <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configureIncrementalLoad-org.apache.hadoop.mapreduce.Job-org.apache.hadoop.hbase.client.TableDescriptor-org.apache.hadoop.hbase.client.RegionLocator-"><code>HFileOutputFormat2.configureIncrementalLoad(Job, TableDescriptor, RegionLocator)</code></a>, |
| this function will configure the requisite number of reducers to write HFiles for multple |
| tables simultaneously</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#createCompositeKey-byte:A-byte:A-">createCompositeKey</a></span>(byte[] tableName, |
| byte[] suffix)</code> |
| <div class="block">Creates a composite key to use as a mapper output key when using |
| MultiTableHFileOutputFormat.configureIncrementaLoad to set up bulk ingest job</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#createCompositeKey-byte:A-org.apache.hadoop.hbase.io.ImmutableBytesWritable-">createCompositeKey</a></span>(byte[] tableName, |
| <a href="../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> suffix)</code> |
| <div class="block">Alternate api which accepts an ImmutableBytesWritable for the suffix</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#createCompositeKey-java.lang.String-org.apache.hadoop.hbase.io.ImmutableBytesWritable-">createCompositeKey</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> tableName, |
| <a href="../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> suffix)</code> |
| <div class="block">Alternate api which accepts a String for the tableName and ImmutableBytesWritable for the |
| suffix</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#getSuffix-byte:A-">getSuffix</a></span>(byte[] keyBytes)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>protected static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#getTableName-byte:A-">getTableName</a></span>(byte[] keyBytes)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#validateCompositeKey-byte:A-">validateCompositeKey</a></span>(byte[] keyBytes)</code> </td> |
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| <h3>Methods inherited from class org.apache.hadoop.hbase.mapreduce.<a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#combineTableNameSuffix-byte:A-byte:A-">combineTableNameSuffix</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configureIncrementalLoad-org.apache.hadoop.mapreduce.Job-java.util.List-java.lang.Class-">configureIncrementalLoad</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configureIncrementalLoad-org.apache.hadoop.mapreduce.Job-org.apache.hadoop.hbase.client.TableDescriptor-org.apache.hadoop.hbase.client.RegionLocator-">configureIncrementalLoad</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configureIncrementalLoad-org.apache.hadoop.mapreduce.Job-org.apache.hadoop.hbase.client.Table-org.apache.hadoop.hbase.client.RegionLocator-">configureIncrementalLoad</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configureIncrementalLoadMap-org.apache.hadoop.mapreduce.Job-org.apache.hadoop.hbase.client.TableDescriptor-">configureIncrementalLoadMap</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configurePartitioner-org.apache.hadoop.mapreduce.Job-java.util.List-boolean-">configurePartitioner</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configureRemoteCluster-org.apache.hadoop.mapreduce.Job-org.apache.hadoop.conf.Configuration-">configureRemoteCluster</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#configureStoragePolicy-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-byte:A-org.apache.hadoop.fs.Path-">configureStoragePolicy</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#createFamilyBlockSizeMap-org.apache.hadoop.conf.Configuration-">createFamilyBlockSizeMap</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#createFamilyBloomParamMap-org.apache.hadoop.conf.Configuration-">createFamilyBloomParamMap</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#createFamilyBloomTypeMap-org.apache.hadoop.conf.Configuration-">createFamilyBloomTypeMap</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#createFamilyCompressionMap-org.apache.hadoop.conf.Configuration-">createFamilyCompressionMap</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#createFamilyDataBlockEncodingMap-org.apache.hadoop.conf.Configuration-">createFamilyDataBlockEncodingMap</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#createRecordWriter-org.apache.hadoop.mapreduce.TaskAttemptContext-org.apache.hadoop.mapreduce.OutputCommitter-">createRecordWriter</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#getRecordWriter-org.apache.hadoop.mapreduce.TaskAttemptContext-">getRecordWriter</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#getTableNameSuffixedWithFamily-byte:A-byte:A-">getTableNameSuffixedWithFamily</a>, <a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#serializeColumnFamilyAttribute-java.util.function.Function-java.util.List-">serializeColumnFamilyAttribute</a></code></li> |
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| <h3>Methods inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat</h3> |
| <code>checkOutputSpecs, getCompressOutput, getDefaultWorkFile, getOutputCommitter, getOutputCompressorClass, getOutputName, getOutputPath, getPathForWorkFile, getUniqueFile, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputName, setOutputPath</code></li> |
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| <h4>MultiTableHFileOutputFormat</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#line.47">MultiTableHFileOutputFormat</a>()</pre> |
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| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#line.58">createCompositeKey</a>(byte[] tableName, |
| byte[] suffix)</pre> |
| <div class="block">Creates a composite key to use as a mapper output key when using |
| MultiTableHFileOutputFormat.configureIncrementaLoad to set up bulk ingest job</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tableName</code> - Name of the Table - Eg: TableName.getNameAsString()</dd> |
| <dd><code>suffix</code> - Usually represents a rowkey when creating a mapper key or column family</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>byte[] representation of composite key</dd> |
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| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#line.67">createCompositeKey</a>(byte[] tableName, |
| <a href="../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> suffix)</pre> |
| <div class="block">Alternate api which accepts an ImmutableBytesWritable for the suffix</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#createCompositeKey-byte:A-byte:A-"><code>createCompositeKey(byte[], byte[])</code></a></dd> |
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| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#line.77">createCompositeKey</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> tableName, |
| <a href="../../../../../org/apache/hadoop/hbase/io/ImmutableBytesWritable.html" title="class in org.apache.hadoop.hbase.io">ImmutableBytesWritable</a> suffix)</pre> |
| <div class="block">Alternate api which accepts a String for the tableName and ImmutableBytesWritable for the |
| suffix</div> |
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| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#createCompositeKey-byte:A-byte:A-"><code>createCompositeKey(byte[], byte[])</code></a></dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/MultiTableHFileOutputFormat.html#line.92">configureIncrementalLoad</a>(org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.TableInfo.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2.TableInfo</a>> multiTableDescriptors) |
| 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">Analogous to |
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| this function will configure the requisite number of reducers to write HFiles for multple |
| tables simultaneously</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - See <code>Job</code></dd> |
| <dd><code>multiTableDescriptors</code> - Table descriptor and region locator pairs</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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