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| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#line.47">TableSnapshotInputFormat</a> |
| 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> |
| implements org.apache.hadoop.mapred.InputFormat<<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/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></pre> |
| <div class="block">TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot. Further |
| documentation available on <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableSnapshotInputFormat</code></a>.</div> |
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| <td class="colFirst"><code>static class </code></td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#TableSnapshotInputFormat--">TableSnapshotInputFormat</a></span>()</code> </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapred.RecordReader<<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/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-">getRecordReader</a></span>(org.apache.hadoop.mapred.InputSplit split, |
| org.apache.hadoop.mapred.JobConf job, |
| org.apache.hadoop.mapred.Reporter reporter)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapred.InputSplit[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#getSplits-org.apache.hadoop.mapred.JobConf-int-">getSplits</a></span>(org.apache.hadoop.mapred.JobConf job, |
| int numSplits)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#setInput-org.apache.hadoop.mapred.JobConf-java.lang.String-org.apache.hadoop.fs.Path-">setInput</a></span>(org.apache.hadoop.mapred.JobConf job, |
| <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> snapshotName, |
| org.apache.hadoop.fs.Path restoreDir)</code> |
| <div class="block">Configures the job to use TableSnapshotInputFormat to read from a snapshot.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#setInput-org.apache.hadoop.mapred.JobConf-java.lang.String-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm-int-">setInput</a></span>(org.apache.hadoop.mapred.JobConf job, |
| <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> snapshotName, |
| org.apache.hadoop.fs.Path restoreDir, |
| <a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.SplitAlgorithm.html" title="interface in org.apache.hadoop.hbase.util">RegionSplitter.SplitAlgorithm</a> splitAlgo, |
| int numSplitsPerRegion)</code> |
| <div class="block">Configures the job to use TableSnapshotInputFormat to read from a snapshot.</div> |
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| <h4>TableSnapshotInputFormat</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#line.47">TableSnapshotInputFormat</a>()</pre> |
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| <h4>getSplits</h4> |
| <pre>public org.apache.hadoop.mapred.InputSplit[] <a href="../../../../../src-html/org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#line.137">getSplits</a>(org.apache.hadoop.mapred.JobConf job, |
| int numSplits) |
| 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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>getSplits</code> in interface <code>org.apache.hadoop.mapred.InputFormat<<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/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>></code></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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| <a name="getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-"> |
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| <h4>getRecordReader</h4> |
| <pre>public org.apache.hadoop.mapred.RecordReader<<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/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#line.149">getRecordReader</a>(org.apache.hadoop.mapred.InputSplit split, |
| org.apache.hadoop.mapred.JobConf job, |
| org.apache.hadoop.mapred.Reporter reporter) |
| 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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
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| <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="setInput-org.apache.hadoop.mapred.JobConf-java.lang.String-org.apache.hadoop.fs.Path-"> |
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| <h4>setInput</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#line.162">setInput</a>(org.apache.hadoop.mapred.JobConf job, |
| <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> snapshotName, |
| org.apache.hadoop.fs.Path restoreDir) |
| 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">Configures the job to use TableSnapshotInputFormat to read from a snapshot.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - the job to configure</dd> |
| <dd><code>snapshotName</code> - the name of the snapshot to read from</dd> |
| <dd><code>restoreDir</code> - a temporary directory to restore the snapshot into. Current user should |
| have write permissions to this directory, and this should not be a subdirectory of rootdir. |
| After the job is finished, restoreDir can be deleted.</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> - if an error occurs</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setInput-org.apache.hadoop.mapred.JobConf-java.lang.String-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm-int-"> |
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| <h4>setInput</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapred/TableSnapshotInputFormat.html#line.178">setInput</a>(org.apache.hadoop.mapred.JobConf job, |
| <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> snapshotName, |
| org.apache.hadoop.fs.Path restoreDir, |
| <a href="../../../../../org/apache/hadoop/hbase/util/RegionSplitter.SplitAlgorithm.html" title="interface in org.apache.hadoop.hbase.util">RegionSplitter.SplitAlgorithm</a> splitAlgo, |
| int numSplitsPerRegion) |
| 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">Configures the job to use TableSnapshotInputFormat to read from a snapshot.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - the job to configure</dd> |
| <dd><code>snapshotName</code> - the name of the snapshot to read from</dd> |
| <dd><code>restoreDir</code> - a temporary directory to restore the snapshot into. Current user should |
| have write permissions to this directory, and this should not be a subdirectory of rootdir. |
| After the job is finished, restoreDir can be deleted.</dd> |
| <dd><code>splitAlgo</code> - split algorithm to generate splits from region</dd> |
| <dd><code>numSplitsPerRegion</code> - how many input splits to generate per one region</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> - if an error occurs</dd> |
| </dl> |
| </li> |
| </ul> |
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