org.apache.oozie.action.hadoop
Class MRStats

java.lang.Object
  org.apache.oozie.action.hadoop.ActionStats
      org.apache.oozie.action.hadoop.MRStats

public class MRStats
extends ActionStats

Class to collect statistics for Map-Reduce action.

Field Summary

static String

ACTION_TYPE_LABEL

Fields inherited from class org.apache.oozie.action.hadoop.ActionStats

currentActionType

Constructor Summary

MRStats(org.apache.hadoop.mapred.Counters groups)

Method Summary

String

toJSON() Return the statistics in JSON format.

Methods inherited from class org.apache.oozie.action.hadoop.ActionStats

getCurrentActionType

Methods inherited from class java.lang.Object

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

Field Detail

ACTION_TYPE_LABEL

public static final String ACTION_TYPE_LABEL

See Also:

Constant Field Values

Constructor Detail

MRStats

public MRStats(org.apache.hadoop.mapred.Counters groups)

Method Detail

toJSON

public String toJSON()

Description copied from class: ActionStats

Return the statistics in JSON format. Sub-classes must override this method to provide statistics for their particular action type.

Specified by:

toJSON in class ActionStats

Returns:

a JSON string with the statistics information.