| Class and Description | 
|---|
| Counters | 
| JobId JobIdrepresents the globally unique 
 identifier for a MapReduce job. | 
| JobReport | 
| JobState | 
| Phase | 
| TaskAttemptCompletionEvent | 
| TaskAttemptCompletionEventStatus | 
| TaskAttemptId TaskAttemptIdrepresents the unique identifier for a task
 attempt. | 
| TaskAttemptState | 
| TaskId TaskIdrepresents the unique identifier for a Map or Reduce
 Task. | 
| TaskReport | 
| TaskState | 
| TaskType | 
| Class and Description | 
|---|
| Counters | 
| JobId JobIdrepresents the globally unique 
 identifier for a MapReduce job. | 
| JobReport | 
| TaskAttemptCompletionEvent | 
| TaskAttemptId TaskAttemptIdrepresents the unique identifier for a task
 attempt. | 
| TaskAttemptReport | 
| TaskId TaskIdrepresents the unique identifier for a Map or Reduce
 Task. | 
| TaskReport | 
| TaskType | 
| Class and Description | 
|---|
| Counters | 
| JobId JobIdrepresents the globally unique 
 identifier for a MapReduce job. | 
| JobReport | 
| TaskAttemptCompletionEvent | 
| TaskAttemptId TaskAttemptIdrepresents the unique identifier for a task
 attempt. | 
| TaskAttemptReport | 
| TaskId TaskIdrepresents the unique identifier for a Map or Reduce
 Task. | 
| TaskReport | 
| TaskType | 
| Class and Description | 
|---|
| AMInfo | 
| Avataar | 
| Counter | 
| CounterGroup | 
| Counters | 
| JobId JobIdrepresents the globally unique 
 identifier for a MapReduce job. | 
| JobState | 
| Locality | 
| Phase | 
| TaskAttemptCompletionEventStatus | 
| TaskAttemptId TaskAttemptIdrepresents the unique identifier for a task
 attempt. | 
| TaskAttemptState | 
| TaskId TaskIdrepresents the unique identifier for a Map or Reduce
 Task. | 
| TaskState | 
| TaskType | 
| Class and Description | 
|---|
| AMInfo | 
| Counter | 
| CounterGroup | 
| Counters | 
| JobId JobIdrepresents the globally unique 
 identifier for a MapReduce job. | 
| JobReport | 
| JobState | 
| Phase | 
| TaskAttemptCompletionEvent | 
| TaskAttemptCompletionEventStatus | 
| TaskAttemptId TaskAttemptIdrepresents the unique identifier for a task
 attempt. | 
| TaskAttemptReport | 
| TaskAttemptState | 
| TaskId TaskIdrepresents the unique identifier for a Map or Reduce
 Task. | 
| TaskReport | 
| TaskState | 
| TaskType | 
| Class and Description | 
|---|
| JobId JobIdrepresents the globally unique 
 identifier for a MapReduce job. | 
| Class and Description | 
|---|
| AMInfo | 
| JobId JobIdrepresents the globally unique 
 identifier for a MapReduce job. | 
| JobReport | 
| JobState | 
| Phase | 
| TaskAttemptCompletionEventStatus | 
| TaskAttemptId TaskAttemptIdrepresents the unique identifier for a task
 attempt. | 
| TaskAttemptState | 
| TaskId TaskIdrepresents the unique identifier for a Map or Reduce
 Task. | 
| TaskState | 
| TaskType | 
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