org.apache.hadoop.hbase.mapreduce
Class RowCounter
java.lang.Object
org.apache.hadoop.hbase.mapreduce.RowCounter
public class RowCounter
- extends Object
A job with a just a map phase to count rows. Map outputs table rows IF the
input row has columns that have content.
Method Summary |
static org.apache.hadoop.mapreduce.Job |
createSubmittableJob(org.apache.hadoop.conf.Configuration conf,
String[] args)
Sets up the actual job. |
static void |
main(String[] args)
Main entry point. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
RowCounter
public RowCounter()
createSubmittableJob
public static org.apache.hadoop.mapreduce.Job createSubmittableJob(org.apache.hadoop.conf.Configuration conf,
String[] args)
throws IOException
- Sets up the actual job.
- Parameters:
conf
- The current configuration.args
- The command line parameters.
- Returns:
- The newly created job.
- Throws:
IOException
- When setting up the job fails.
main
public static void main(String[] args)
throws Exception
- Main entry point.
- Parameters:
args
- The command line parameters.
- Throws:
Exception
- When running the job fails.
Copyright © 2011 The Apache Software Foundation. All Rights Reserved.