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| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.70">TableMapReduceUtil</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></pre> |
| <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"><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/TableMapReduceUtil.html#TABLE_INPUT_CLASS_KEY">TABLE_INPUT_CLASS_KEY</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#TableMapReduceUtil--">TableMapReduceUtil</a></span>()</code> </td> |
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| <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/TableMapReduceUtil.html#addDependencyJars-org.apache.hadoop.mapreduce.Job-">addDependencyJars</a></span>(org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Add the HBase dependency jars as well as jars for any of the configured job classes to the job |
| configuration, so that JobClient will ship them to the cluster and add them to the |
| DistributedCache.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#addHBaseDependencyJars-org.apache.hadoop.conf.Configuration-">addHBaseDependencyJars</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Add HBase and its dependencies (only) to the job configuration.</div> |
| </td> |
| </tr> |
| <tr id="i2" 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/TableMapReduceUtil.html#buildDependencyClasspath-org.apache.hadoop.conf.Configuration-">buildDependencyClasspath</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Returns a classpath string built from the content of the "tmpjars" value in <code>conf</code>.</div> |
| </td> |
| </tr> |
| <tr id="i3" 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/TableMapReduceUtil.html#convertScanToString-org.apache.hadoop.hbase.client.Scan-">convertScanToString</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan)</code> |
| <div class="block">Writes the given scan into a Base64 encoded string.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#convertStringToScan-java.lang.String-">convertStringToScan</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> base64)</code> |
| <div class="block">Converts the given Base64 string back into a Scan instance.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initCredentials-org.apache.hadoop.mapreduce.Job-">initCredentials</a></span>(org.apache.hadoop.mapreduce.Job job)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initCredentialsForCluster-org.apache.hadoop.mapreduce.Job-org.apache.hadoop.conf.Configuration-">initCredentialsForCluster</a></span>(org.apache.hadoop.mapreduce.Job job, |
| org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Obtain an authentication token, for the specified cluster, on behalf of the current user and |
| add it to the credentials for the given map reduce job.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initMultiTableSnapshotMapperJob-java.util.Map-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-org.apache.hadoop.fs.Path-">initMultiTableSnapshotMapperJob</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>>> snapshotScans, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| org.apache.hadoop.fs.Path tmpRestoreDir)</code> |
| <div class="block">Sets up the job for reading from one or more table snapshots, with one or more scans per |
| snapshot.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-byte:A-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-">initTableMapperJob</a></span>(byte[] table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-byte:A-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-">initTableMapperJob</a></span>(byte[] table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-byte:A-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-java.lang.Class-">initTableMapperJob</a></span>(byte[] table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends org.apache.hadoop.mapreduce.InputFormat> inputFormatClass)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-java.util.List-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-">initTableMapperJob</a></span>(<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/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>> scans, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Use this before submitting a Multi TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-java.util.List-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-">initTableMapperJob</a></span>(<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/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>> scans, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars)</code> |
| <div class="block">Use this before submitting a Multi TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-java.util.List-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-boolean-">initTableMapperJob</a></span>(<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/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>> scans, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| boolean initCredentials)</code> |
| <div class="block">Use this before submitting a Multi TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-">initTableMapperJob</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> table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-">initTableMapperJob</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> table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-boolean-java.lang.Class-">initTableMapperJob</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> table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| boolean initCredentials, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends org.apache.hadoop.mapreduce.InputFormat> inputFormatClass)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-java.lang.Class-">initTableMapperJob</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> table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends org.apache.hadoop.mapreduce.InputFormat> inputFormatClass)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableMapperJob-org.apache.hadoop.hbase.TableName-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-">initTableMapperJob</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Use this before submitting a TableMap job.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableReducerJob-java.lang.String-java.lang.Class-org.apache.hadoop.mapreduce.Job-">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Use this before submitting a TableReduce job.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableReducerJob-java.lang.String-java.lang.Class-org.apache.hadoop.mapreduce.Job-java.lang.Class-">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> partitioner)</code> |
| <div class="block">Use this before submitting a TableReduce job.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><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-">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> partitioner, |
| <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> quorumAddress, |
| <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> serverClass, |
| <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> serverImpl)</code> |
| <div class="block">Use this before submitting a TableReduce job.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><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-boolean-">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> partitioner, |
| <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> quorumAddress, |
| <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> serverClass, |
| <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> serverImpl, |
| boolean addDependencyJars)</code> |
| <div class="block">Use this before submitting a TableReduce job.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableSnapshotMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-org.apache.hadoop.fs.Path-">initTableSnapshotMapperJob</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> snapshotName, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| org.apache.hadoop.fs.Path tmpRestoreDir)</code> |
| <div class="block">Sets up the job for reading from a table snapshot.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#initTableSnapshotMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm-int-">initTableSnapshotMapperJob</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> snapshotName, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| org.apache.hadoop.fs.Path tmpRestoreDir, |
| org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm splitAlgo, |
| int numSplitsPerRegion)</code> |
| <div class="block">Sets up the job for reading from a table snapshot.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#limitNumReduceTasks-java.lang.String-org.apache.hadoop.mapreduce.Job-">limitNumReduceTasks</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> table, |
| org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Ensures that the given number of reduce tasks for the given job configuration does not exceed |
| the number of regions for the given table.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#resetCacheConfig-org.apache.hadoop.conf.Configuration-">resetCacheConfig</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Enable a basic on-heap cache for these jobs.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#setNumReduceTasks-java.lang.String-org.apache.hadoop.mapreduce.Job-">setNumReduceTasks</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> table, |
| org.apache.hadoop.mapreduce.Job job)</code> |
| <div class="block">Sets the number of reduce tasks for the given job configuration to the number of regions the |
| given table has.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#setScannerCaching-org.apache.hadoop.mapreduce.Job-int-">setScannerCaching</a></span>(org.apache.hadoop.mapreduce.Job job, |
| int batchSize)</code> |
| <div class="block">Sets the number of rows to return and cache with each scanner iteration.</div> |
| </td> |
| </tr> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil.TABLE_INPUT_CLASS_KEY">Constant Field Values</a></dd> |
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| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.70">TableMapReduceUtil</a>()</pre> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.85">initTableMapperJob</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> table, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</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 setting up the details fails.</dd> |
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| <a name="initTableMapperJob-org.apache.hadoop.hbase.TableName-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-"> |
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| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</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 setting up the details fails.</dd> |
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| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - Binary representation of the table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</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 setting up the details fails.</dd> |
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| <a name="initTableMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-java.lang.Class-"> |
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| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends org.apache.hadoop.mapreduce.InputFormat> inputFormatClass) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</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 setting up the details fails.</dd> |
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| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| boolean initCredentials, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends org.apache.hadoop.mapreduce.InputFormat> inputFormatClass) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</dd> |
| <dd><code>initCredentials</code> - whether to initialize hbase auth credentials for the job</dd> |
| <dd><code>inputFormatClass</code> - the input format</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 setting up the details fails.</dd> |
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| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends org.apache.hadoop.mapreduce.InputFormat> inputFormatClass) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - Binary representation of the table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</dd> |
| <dd><code>inputFormatClass</code> - The class of the input format</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 setting up the details fails.</dd> |
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| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - Binary representation of the table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</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 setting up the details fails.</dd> |
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| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars) |
| 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">Use this before submitting a TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The table name to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</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 setting up the details fails.</dd> |
| </dl> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.266">resetCacheConfig</a>(org.apache.hadoop.conf.Configuration conf)</pre> |
| <div class="block">Enable a basic on-heap cache for these jobs. Any BlockCache implementation based on direct |
| memory will likely cause the map tasks to OOM when opening the region. This is done here |
| instead of in TableSnapshotRegionRecordReader in case an advanced user wants to override this |
| behavior in their job.</div> |
| </li> |
| </ul> |
| <a name="initMultiTableSnapshotMapperJob-java.util.Map-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-org.apache.hadoop.fs.Path-"> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| org.apache.hadoop.fs.Path tmpRestoreDir) |
| 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">Sets up the job for reading from one or more table snapshots, with one or more scans per |
| snapshot. It bypasses hbase servers and read directly from snapshot files.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>snapshotScans</code> - map of snapshot name to scans on that snapshot.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</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> |
| </dl> |
| </li> |
| </ul> |
| <a name="initTableSnapshotMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-org.apache.hadoop.fs.Path-"> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.327">initTableSnapshotMapperJob</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> snapshotName, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| org.apache.hadoop.fs.Path tmpRestoreDir) |
| 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">Sets up the job for reading from a table snapshot. It bypasses hbase servers and read directly |
| from snapshot files.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>snapshotName</code> - The name of the snapshot (of a table) to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</dd> |
| <dd><code>tmpRestoreDir</code> - a temporary directory to copy the snapshot files into. Current user |
| should have write permissions to this directory, and this should not |
| be a subdirectory of rootdir. After the job is finished, restore |
| directory 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> - When setting up the details fails.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableSnapshotInputFormat</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initTableSnapshotMapperJob-java.lang.String-org.apache.hadoop.hbase.client.Scan-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm-int-"> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.357">initTableSnapshotMapperJob</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> snapshotName, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| org.apache.hadoop.fs.Path tmpRestoreDir, |
| org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm 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">Sets up the job for reading from a table snapshot. It bypasses hbase servers and read directly |
| from snapshot files.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>snapshotName</code> - The name of the snapshot (of a table) to read from.</dd> |
| <dd><code>scan</code> - The scan instance with the columns, time range etc.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</dd> |
| <dd><code>tmpRestoreDir</code> - a temporary directory to copy the snapshot files into. Current user |
| should have write permissions to this directory, and this should not |
| be a subdirectory of rootdir. After the job is finished, restore |
| directory can be deleted.</dd> |
| <dd><code>splitAlgo</code> - algorithm to split</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> - When setting up the details fails.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.mapreduce"><code>TableSnapshotInputFormat</code></a></dd> |
| </dl> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.378">initTableMapperJob</a>(<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/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>> scans, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job) |
| 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">Use this before submitting a Multi TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scans</code> - The list of <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client"><code>Scan</code></a> objects to read from.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</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 setting up the details fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initTableMapperJob-java.util.List-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-"> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars) |
| 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">Use this before submitting a Multi TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scans</code> - The list of <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client"><code>Scan</code></a> objects to read from.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</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 setting up the details fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initTableMapperJob-java.util.List-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.mapreduce.Job-boolean-boolean-"> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.415">initTableMapperJob</a>(<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/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>> scans, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableMapper.html" title="class in org.apache.hadoop.hbase.mapreduce">TableMapper</a>> mapper, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputKeyClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> outputValueClass, |
| org.apache.hadoop.mapreduce.Job job, |
| boolean addDependencyJars, |
| boolean initCredentials) |
| 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">Use this before submitting a Multi TableMap job. It will appropriately set up the job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scans</code> - The list of <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client"><code>Scan</code></a> objects to read from.</dd> |
| <dd><code>mapper</code> - The mapper class to use.</dd> |
| <dd><code>outputKeyClass</code> - The class of the output key.</dd> |
| <dd><code>outputValueClass</code> - The class of the output value.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</dd> |
| <dd><code>initCredentials</code> - whether to initialize hbase auth credentials for the job</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 setting up the details fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initCredentials-org.apache.hadoop.mapreduce.Job-"> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.445">initCredentials</a>(org.apache.hadoop.mapreduce.Job job) |
| 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="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> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.491">initCredentialsForCluster</a>(org.apache.hadoop.mapreduce.Job job, |
| org.apache.hadoop.conf.Configuration conf) |
| 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">Obtain an authentication token, for the specified cluster, on behalf of the current user and |
| add it to the credentials for the given map reduce job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - The job that requires the permission.</dd> |
| <dd><code>conf</code> - The configuration to use in connecting to the peer cluster</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 authentication token cannot be obtained.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="convertScanToString-org.apache.hadoop.hbase.client.Scan-"> |
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| <pre>public 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> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.514">convertScanToString</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan) |
| 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">Writes the given scan into a Base64 encoded string.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scan</code> - The scan to write out.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The scan saved in a Base64 encoded string.</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 writing the scan fails.</dd> |
| </dl> |
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| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.525">convertStringToScan</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> base64) |
| 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">Converts the given Base64 string back into a Scan instance.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>base64</code> - The scan details.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The newly created Scan 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 reading the scan instance fails.</dd> |
| </dl> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.537">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job) |
| 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">Use this before submitting a TableReduce job. It will appropriately set up the JobConf.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The output table.</dd> |
| <dd><code>reducer</code> - The reducer class to use.</dd> |
| <dd><code>job</code> - The current job to adjust.</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 determining the region count fails.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.550">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> partitioner) |
| 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">Use this before submitting a TableReduce job. It will appropriately set up the JobConf.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The output table.</dd> |
| <dd><code>reducer</code> - The reducer class to use.</dd> |
| <dd><code>job</code> - The current job to adjust.</dd> |
| <dd><code>partitioner</code> - Partitioner to use. Pass <code>null</code> to use default partitioner.</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 determining the region count fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initTableReducerJob-java.lang.String-java.lang.Class-org.apache.hadoop.mapreduce.Job-java.lang.Class-java.lang.String-java.lang.String-java.lang.String-"> |
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| </a> |
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| <h4>initTableReducerJob</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.576">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> partitioner, |
| <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> quorumAddress, |
| <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> serverClass, |
| <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> serverImpl) |
| 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">Use this before submitting a TableReduce job. It will appropriately set up the JobConf.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The output table.</dd> |
| <dd><code>reducer</code> - The reducer class to use.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>partitioner</code> - Partitioner to use. Pass <code>null</code> to use default partitioner.</dd> |
| <dd><code>quorumAddress</code> - Distant cluster to write to; default is null for output to the cluster |
| that is designated in <code>hbase-site.xml</code>. Set this String to the |
| zookeeper ensemble of an alternate remote cluster when you would have the |
| reduce write a cluster that is other than the default; e.g. copying tables |
| between clusters, the source would be designated by |
| <code>hbase-site.xml</code> and this param would have the ensemble address |
| of the remote cluster. The format to pass is particular. Pass |
| <code> <hbase.zookeeper.quorum>:< |
| hbase.zookeeper.client.port>:<zookeeper.znode.parent> |
| </code> such as <code>server,server2,server3:2181:/hbase</code>.</dd> |
| <dd><code>serverClass</code> - redefined hbase.regionserver.class</dd> |
| <dd><code>serverImpl</code> - redefined hbase.regionserver.impl</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 determining the region count fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="initTableReducerJob-java.lang.String-java.lang.Class-org.apache.hadoop.mapreduce.Job-java.lang.Class-java.lang.String-java.lang.String-java.lang.String-boolean-"> |
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| <h4>initTableReducerJob</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.606">initTableReducerJob</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> table, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><? extends <a href="../../../../../org/apache/hadoop/hbase/mapreduce/TableReducer.html" title="class in org.apache.hadoop.hbase.mapreduce">TableReducer</a>> reducer, |
| org.apache.hadoop.mapreduce.Job job, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> partitioner, |
| <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> quorumAddress, |
| <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> serverClass, |
| <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> serverImpl, |
| boolean addDependencyJars) |
| 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">Use this before submitting a TableReduce job. It will appropriately set up the JobConf.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The output table.</dd> |
| <dd><code>reducer</code> - The reducer class to use.</dd> |
| <dd><code>job</code> - The current job to adjust. Make sure the passed job is carrying all |
| necessary HBase configuration.</dd> |
| <dd><code>partitioner</code> - Partitioner to use. Pass <code>null</code> to use default partitioner.</dd> |
| <dd><code>quorumAddress</code> - Distant cluster to write to; default is null for output to the cluster |
| that is designated in <code>hbase-site.xml</code>. Set this String to |
| the zookeeper ensemble of an alternate remote cluster when you would |
| have the reduce write a cluster that is other than the default; e.g. |
| copying tables between clusters, the source would be designated by |
| <code>hbase-site.xml</code> and this param would have the ensemble |
| address of the remote cluster. The format to pass is particular. Pass |
| <code> <hbase.zookeeper.quorum>:< |
| hbase.zookeeper.client.port>:<zookeeper.znode.parent> |
| </code> such as <code>server,server2,server3:2181:/hbase</code>.</dd> |
| <dd><code>serverClass</code> - redefined hbase.regionserver.class</dd> |
| <dd><code>serverImpl</code> - redefined hbase.regionserver.impl</dd> |
| <dd><code>addDependencyJars</code> - upload HBase jars and jars for any of the configured job classes via |
| the distributed cache (tmpjars).</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 determining the region count fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="limitNumReduceTasks-java.lang.String-org.apache.hadoop.mapreduce.Job-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>limitNumReduceTasks</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.653">limitNumReduceTasks</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> table, |
| org.apache.hadoop.mapreduce.Job job) |
| 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">Ensures that the given number of reduce tasks for the given job configuration does not exceed |
| the number of regions for the given table.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The table to get the region count for.</dd> |
| <dd><code>job</code> - The current job to adjust.</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 retrieving the table details fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setNumReduceTasks-java.lang.String-org.apache.hadoop.mapreduce.Job-"> |
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| </a> |
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| <h4>setNumReduceTasks</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.667">setNumReduceTasks</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> table, |
| org.apache.hadoop.mapreduce.Job job) |
| 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">Sets the number of reduce tasks for the given job configuration to the number of regions the |
| given table has.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>table</code> - The table to get the region count for.</dd> |
| <dd><code>job</code> - The current job to adjust.</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 retrieving the table details fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setScannerCaching-org.apache.hadoop.mapreduce.Job-int-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setScannerCaching</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.678">setScannerCaching</a>(org.apache.hadoop.mapreduce.Job job, |
| int batchSize)</pre> |
| <div class="block">Sets the number of rows to return and cache with each scanner iteration. Higher caching values |
| will enable faster mapreduce jobs at the expense of requiring more heap to contain the cached |
| rows.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>job</code> - The current job to adjust.</dd> |
| <dd><code>batchSize</code> - The number of rows to return in batch with each scanner iteration.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addHBaseDependencyJars-org.apache.hadoop.conf.Configuration-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>addHBaseDependencyJars</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.693">addHBaseDependencyJars</a>(org.apache.hadoop.conf.Configuration conf) |
| 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">Add HBase and its dependencies (only) to the job configuration. |
| <p> |
| This is intended as a low-level API, facilitating code reuse between this class and its mapred |
| counterpart. It also of use to external tools that need to build a MapReduce job that interacts |
| with HBase but want fine-grained control over the jars shipped to the cluster. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - The Configuration object to extend with dependencies.</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> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/mapred/TableMapReduceUtil.html" title="class in org.apache.hadoop.hbase.mapred"><code>TableMapReduceUtil</code></a>, |
| <a href="https://issues.apache.org/jira/browse/PIG-3285">PIG-3285</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="buildDependencyClasspath-org.apache.hadoop.conf.Configuration-"> |
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| <h4>buildDependencyClasspath</h4> |
| <pre>public 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> <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.726">buildDependencyClasspath</a>(org.apache.hadoop.conf.Configuration conf)</pre> |
| <div class="block">Returns a classpath string built from the content of the "tmpjars" value in <code>conf</code>. Also |
| exposed to shell scripts via `bin/hbase mapredcp`.</div> |
| </li> |
| </ul> |
| <a name="addDependencyJars-org.apache.hadoop.mapreduce.Job-"> |
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| </a> |
| <ul class="blockListLast"> |
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| <h4>addDependencyJars</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.html#line.750">addDependencyJars</a>(org.apache.hadoop.mapreduce.Job job) |
| 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">Add the HBase dependency jars as well as jars for any of the configured job classes to the job |
| configuration, so that JobClient will ship them to the cluster and add them to the |
| DistributedCache.</div> |
| <dl> |
| <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> |
| </li> |
| </ul> |
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