Package org.apache.hadoop.hbase.mapred

Class RowCounter

java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.hadoop.hbase.mapred.RowCounter
All Implemented Interfaces:
org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
@Public public class RowCounter extends org.apache.hadoop.conf.Configured implements org.apache.hadoop.util.Tool
A job with a map to count rows. Map outputs table rows IF the input row has columns that have content. Uses a org.apache.hadoop.mapred.lib.IdentityReducer

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    (package private) static class 
    RowCounter.RowCounterMapper
    Mapper that runs the count.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    (package private) static final String
    NAME
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    RowCounter()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.hadoop.mapred.JobConf
    createSubmittableJob(String[] args)
    Returns the JobConf
    static void
    main(String[] args)
     
    (package private) static int
    printUsage()
     
    int
    run(String[] args)
     

    Methods inherited from class org.apache.hadoop.conf.Configured

    getConf, setConf

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface org.apache.hadoop.conf.Configurable

    getConf, setConf