@InterfaceAudience.Private @InterfaceStability.Evolving

Package org.apache.hadoop.mapreduce.counters

This package contains the implementations of different types of map-reduce counters.

See:
Description

Interface Summary

CounterGroupBase<T extends Counter>	The common counter group interface.
CounterGroupFactory.FrameworkGroupFactory<F>

Class Summary

AbstractCounter	An abstract counter class to provide common implementation of the counter interface in both mapred and mapreduce packages.
AbstractCounterGroup<T extends Counter>	An abstract class to provide common implementation of the generic counter group in both mapred and mapreduce package.
AbstractCounters<C extends Counter,G extends CounterGroupBase<C>>	An abstract class to provide common implementation for the Counters container in both mapred and mapreduce packages.
CounterGroupFactory<C extends Counter,G extends CounterGroupBase<C>>	An abstract class to provide common implementation of the group factory in both mapred and mapreduce packages.
FileSystemCounterGroup<C extends Counter>	An abstract class to provide common implementation of the filesystem counter group in both mapred and mapreduce packages.
FileSystemCounterGroup.FSCounter
FrameworkCounterGroup<T extends Enum<T>,C extends Counter>	An abstract class to provide common implementation for the framework counter group in both mapred and mapreduce packages.
FrameworkCounterGroup.FrameworkCounter<T extends Enum<T>>	A counter facade for framework counters.
GenericCounter	A generic counter implementation
Limits

Exception Summary

LimitExceededException

Package org.apache.hadoop.mapreduce.counters Description

This package contains the implementations of different types of map-reduce counters. cf. MAPREDUCE-901 for rationales.