org.apache.tez.common.counters
Class TezCounters

java.lang.Object
  org.apache.tez.common.counters.AbstractCounters<TezCounter,CounterGroup>
      org.apache.tez.common.counters.TezCounters

All Implemented Interfaces:

Iterable<CounterGroup>, org.apache.hadoop.io.Writable

@InterfaceAudience.Public
@InterfaceStability.Stable
public class TezCounters
extends AbstractCounters<TezCounter,CounterGroup>

Counters holds per job/task counters, defined either by the Map-Reduce framework or applications. Each Counter can be of any Enum type.

Counters are bunched into CounterGroups, each comprising of counters from a particular Enum class.

Field Summary

Fields inherited from class org.apache.tez.common.counters.AbstractCounters

LOG

Constructor Summary

TezCounters()
Default constructor

TezCounters(AbstractCounters<C,G> counters)
Construct the Counters object from the another counters object

Method Summary

Methods inherited from class org.apache.tez.common.counters.AbstractCounters

addGroup, addGroup, countCounters, equals, findCounter, findCounter, findCounter, getGroup, getGroupNames, getWriteAllCounters, hashCode, incrAllCounters, iterator, limits, readFields, setWriteAllCounters, toShortString, toString, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TezCounters

public TezCounters()

Default constructor

TezCounters

public TezCounters(AbstractCounters<C,G> counters)

Construct the Counters object from the another counters object

Type Parameters:

C - the type of counter

G - the type of counter group

Parameters:

counters - the old counters object