org.apache.hadoop.mapreduce.counters
Interfaces 
CounterGroupBase
CounterGroupFactory.FrameworkGroupFactory
Classes 
AbstractCounter
AbstractCounterGroup
AbstractCounters
CounterGroupFactory
FileSystemCounterGroup
FileSystemCounterGroup.FSCounter
FrameworkCounterGroup
FrameworkCounterGroup.FrameworkCounter
GenericCounter
Limits
Exceptions 
LimitExceededException