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| <h2 title="Class TableOutputFormat" class="title">Class TableOutputFormat<KEY></h2> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.mapreduce.OutputFormat<KEY,<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>></li> |
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| <li>org.apache.hadoop.hbase.mapreduce.TableOutputFormat<KEY></li> |
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| <dd>org.apache.hadoop.conf.Configurable</dd> |
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| <br> |
| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.51">TableOutputFormat</a><KEY> |
| extends org.apache.hadoop.mapreduce.OutputFormat<KEY,<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> |
| implements org.apache.hadoop.conf.Configurable</pre> |
| <div class="block">Convert Map/Reduce output and write it to an HBase table. The KEY is ignored |
| while the output value <u>must</u> be either a <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client"><code>Put</code></a> or a |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client"><code>Delete</code></a> instance.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.TableRecordWriter.html" title="class in org.apache.hadoop.hbase.mapreduce">TableOutputFormat.TableRecordWriter</a></span></code> |
| <div class="block">Writes the reducer output to an HBase table.</div> |
| </td> |
| </tr> |
| </table> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.conf.Configuration</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#conf">conf</a></span></code> |
| <div class="block">The configuration.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#OUTPUT_CONF_PREFIX">OUTPUT_CONF_PREFIX</a></span></code> |
| <div class="block">Prefix for configuration property overrides to apply in <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#setConf-org.apache.hadoop.conf.Configuration-"><code>setConf(Configuration)</code></a>.</div> |
| </td> |
| </tr> |
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| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#OUTPUT_TABLE">OUTPUT_TABLE</a></span></code> |
| <div class="block">Job parameter that specifies the output table.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#QUORUM_ADDRESS">QUORUM_ADDRESS</a></span></code> |
| <div class="block">Optional job parameter to specify a peer cluster.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#QUORUM_PORT">QUORUM_PORT</a></span></code> |
| <div class="block">Optional job parameter to specify peer cluster's ZK client port</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#REGION_SERVER_CLASS">REGION_SERVER_CLASS</a></span></code> |
| <div class="block">Optional specification of the rs class name of the peer cluster</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#REGION_SERVER_IMPL">REGION_SERVER_IMPL</a></span></code> |
| <div class="block">Optional specification of the rs impl name of the peer cluster</div> |
| </td> |
| </tr> |
| </table> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#TableOutputFormat--">TableOutputFormat</a></span>()</code> </td> |
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| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#checkOutputSpecs-org.apache.hadoop.mapreduce.JobContext-">checkOutputSpecs</a></span>(org.apache.hadoop.mapreduce.JobContext context)</code> |
| <div class="block">Checks if the output table exists and is enabled.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#getConf--">getConf</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapreduce.OutputCommitter</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#getOutputCommitter-org.apache.hadoop.mapreduce.TaskAttemptContext-">getOutputCommitter</a></span>(org.apache.hadoop.mapreduce.TaskAttemptContext context)</code> |
| <div class="block">Returns the output committer.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.mapreduce.RecordWriter<<a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html" title="type parameter in TableOutputFormat">KEY</a>,<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#getRecordWriter-org.apache.hadoop.mapreduce.TaskAttemptContext-">getRecordWriter</a></span>(org.apache.hadoop.mapreduce.TaskAttemptContext context)</code> |
| <div class="block">Creates a new record writer.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></span>(org.apache.hadoop.conf.Configuration otherConf)</code> </td> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.54">LOG</a></pre> |
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| <h4>OUTPUT_TABLE</h4> |
| <pre>public static final <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> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.57">OUTPUT_TABLE</a></pre> |
| <div class="block">Job parameter that specifies the output table.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.TableOutputFormat.OUTPUT_TABLE">Constant Field Values</a></dd> |
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| <pre>public static final <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> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.67">OUTPUT_CONF_PREFIX</a></pre> |
| <div class="block">Prefix for configuration property overrides to apply in <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#setConf-org.apache.hadoop.conf.Configuration-"><code>setConf(Configuration)</code></a>. |
| For keys matching this prefix, the prefix is stripped, and the value is set in the |
| configuration with the resulting key, ie. the entry "hbase.mapred.output.key1 = value1" |
| would be set in the configuration as "key1 = value1". Use this to set properties |
| which should only be applied to the <code>TableOutputFormat</code> configuration and not the |
| input configuration.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
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| <pre>public static final <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> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.75">QUORUM_ADDRESS</a></pre> |
| <div class="block">Optional job parameter to specify a peer cluster. |
| Used specifying remote cluster when copying between hbase clusters (the |
| source is picked up from <code>hbase-site.xml</code>).</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableReducerJob-java.lang.String-java.lang.Class-org.apache.hadoop.mapreduce.Job-java.lang.Class-java.lang.String-java.lang.String-java.lang.String-"><code>TableMapReduceUtil.initTableReducerJob(String, Class, org.apache.hadoop.mapreduce.Job, Class, String, String, String)</code></a>, |
| <a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.TableOutputFormat.QUORUM_ADDRESS">Constant Field Values</a></dd> |
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| <div class="block">Optional job parameter to specify peer cluster's ZK client port</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.TableOutputFormat.QUORUM_PORT">Constant Field Values</a></dd> |
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| <h4>REGION_SERVER_CLASS</h4> |
| <pre>public static final <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> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.82">REGION_SERVER_CLASS</a></pre> |
| <div class="block">Optional specification of the rs class name of the peer cluster</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.TableOutputFormat.REGION_SERVER_CLASS">Constant Field Values</a></dd> |
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| <h4>REGION_SERVER_IMPL</h4> |
| <pre>public static final <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> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.85">REGION_SERVER_IMPL</a></pre> |
| <div class="block">Optional specification of the rs impl name of the peer cluster</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.TableOutputFormat.REGION_SERVER_IMPL">Constant Field Values</a></dd> |
| </dl> |
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| <a name="conf"> |
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| <h4>conf</h4> |
| <pre>private org.apache.hadoop.conf.Configuration <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.88">conf</a></pre> |
| <div class="block">The configuration.</div> |
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| <h3>Constructor Detail</h3> |
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| <h4>TableOutputFormat</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.51">TableOutputFormat</a>()</pre> |
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| <a name="getRecordWriter-org.apache.hadoop.mapreduce.TaskAttemptContext-"> |
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| <h4>getRecordWriter</h4> |
| <pre>public org.apache.hadoop.mapreduce.RecordWriter<<a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html" title="type parameter in TableOutputFormat">KEY</a>,<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.161">getRecordWriter</a>(org.apache.hadoop.mapreduce.TaskAttemptContext context) |
| 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>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Creates a new record writer. |
| |
| Be aware that the baseline javadoc gives the impression that there is a single |
| <code>RecordWriter</code> per job but in HBase, it is more natural if we give you a new |
| RecordWriter per call of this method. You must close the returned RecordWriter when done. |
| Failure to do so will drop writes.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>getRecordWriter</code> in class <code>org.apache.hadoop.mapreduce.OutputFormat<<a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html" title="type parameter in TableOutputFormat">KEY</a>,<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>context</code> - The current task context.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The newly created writer instance.</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> - When creating the writer fails.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - When the job is cancelled.</dd> |
| </dl> |
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| <h4>checkOutputSpecs</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.175">checkOutputSpecs</a>(org.apache.hadoop.mapreduce.JobContext context) |
| 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>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Checks if the output table exists and is enabled.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>checkOutputSpecs</code> in class <code>org.apache.hadoop.mapreduce.OutputFormat<<a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html" title="type parameter in TableOutputFormat">KEY</a>,<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>context</code> - The current context.</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> - When the check fails.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - When the job is aborted.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><code>OutputFormat.checkOutputSpecs(JobContext)</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getOutputCommitter-org.apache.hadoop.mapreduce.TaskAttemptContext-"> |
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| <h4>getOutputCommitter</h4> |
| <pre>public org.apache.hadoop.mapreduce.OutputCommitter <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.206">getOutputCommitter</a>(org.apache.hadoop.mapreduce.TaskAttemptContext context) |
| 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>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Returns the output committer.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>getOutputCommitter</code> in class <code>org.apache.hadoop.mapreduce.OutputFormat<<a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html" title="type parameter in TableOutputFormat">KEY</a>,<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>context</code> - The current context.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The committer.</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> - When creating the committer fails.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - When the job is aborted.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><code>OutputFormat.getOutputCommitter(TaskAttemptContext)</code></dd> |
| </dl> |
| </li> |
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| <a name="getConf--"> |
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| <h4>getConf</h4> |
| <pre>public org.apache.hadoop.conf.Configuration <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.212">getConf</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>getConf</code> in interface <code>org.apache.hadoop.conf.Configurable</code></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>setConf</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.html#line.217">setConf</a>(org.apache.hadoop.conf.Configuration otherConf)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>setConf</code> in interface <code>org.apache.hadoop.conf.Configurable</code></dd> |
| </dl> |
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