| パッケージ | 説明 | 
|---|---|
| org.apache.hadoop.mapred | |
| org.apache.hadoop.mapreduce | |
| org.apache.hadoop.mapreduce.counters | This package contains the implementations of different types of
 map-reduce counters. | 
| 修飾子とタイプ | クラスと説明 | 
|---|---|
| static class  | Counters.GroupGroupof counters, comprising of counters from a particular
  counterEnumclass. | 
| 修飾子とタイプ | メソッドと説明 | 
|---|---|
| CounterGroupBase<Counters.Counter> | Counters.Group. getUnderlyingGroup() | 
| 修飾子とタイプ | メソッドと説明 | 
|---|---|
| void | Counters.Group. incrAllCounters(CounterGroupBase<Counters.Counter> rightGroup) | 
| 修飾子とタイプ | インタフェースと説明 | 
|---|---|
| interface  | CounterGroupA group of  Counters that logically belong together. | 
| 修飾子とタイプ | クラスと説明 | 
|---|---|
| class  | 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. | 
| 修飾子とタイプ | メソッドと説明 | 
|---|---|
| void | CounterGroupBase. incrAllCounters(CounterGroupBase<T> rightGroup)Increment all counters by a group of counters | 
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