Examples of org.apache.tez.common.counters.TezCounter

org.apache.tez.common.counters.TezCounter
A named counter that tracks the progress of a job.
Counters represent global counters, defined either by the framework or applications. Each Counter is named by an {@link Enum} and has a long for the value.
Counters are bunched into Groups, each comprising of counters from a particular Enum class.

  }


  private static long getCounterValueByGroupName(TezCounters vertexCounters,
      String groupNamePattern,
      String counterName) {
    TezCounter tezCounter = vertexCounters.getGroup(groupNamePattern).findCounter(counterName);
    return (tezCounter == null) ? 0 : tezCounter.getValue();
  }

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    }


  @Override
  protected long getCounterValue( TezCounters counterGroups, Enum counter )
    {
    TezCounter tezCounter = counterGroups.findCounter( counter );


    if( tezCounter == null )
      return 0;


    return tezCounter.getValue();
    }

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    CounterGroup counterGroup = counterGroups.getGroup( groupName );


    if( counterGroup == null )
      return 0;


    TezCounter counterValue = counterGroup.findCounter( counterName );


    if( counterValue == null )
      return 0;


    return counterValue.getValue();
    }

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