Viewing the Distribution of Task Attempts
The Task Distribution tab provides a graphical view of the performance of the Map and Reduce tasks that make up a job.
- To display the task distribution metrics for a job, do one of the following:
- Select a MapReduce job from the Activities list.
- Select a job from the Children tab of a Pig, Hive, or Oozie activity.
- Click the Task
Distribution tab.The chart that appears initially shows the distribution of Map Input Records by Duration; you can change the Y-axis to chart a number of different metrics.
- Optionally, you can use the Zoom to Duration button to zoom the Time Range Selector to the exact time range spanned by the activity whose tasks you are viewing.