[jira] [Created] (TEZ-3810) A task attempt counter that tracks how much time was spent waiting for inputs in the shuffle phase.

Wed, 02 Aug 2017 08:35:16 -0700 

Ashwin Ramesh created TEZ-3810:
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             Summary:  A task attempt counter that tracks how much time was 
spent waiting for inputs in the shuffle phase. 
                 Key: TEZ-3810
                 URL: https://issues.apache.org/jira/browse/TEZ-3810
             Project: Apache Tez
          Issue Type: Improvement
            Reporter: Ashwin Ramesh
            Priority: Minor


We can use this to quickly identify jobs that are wasting a lot of time on the 
grid with idle reducer tasks instead of shuffling/merging.




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