[jira] [Created] (TEZ-2981) extend DAGClient API: Give consumers access to the task data

[JIRA]

André Kelpe created TEZ-2981:
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             Summary: extend DAGClient API: Give consumers access to the task 
data
                 Key: TEZ-2981
                 URL: https://issues.apache.org/jira/browse/TEZ-2981
             Project: Apache Tez
          Issue Type: Improvement
            Reporter: André Kelpe


In Cascading we are sub-classing the DAGClientImpl and implementing the 
TimeLineClient interface in order to get to all the task level data. Since 
these are non-stable APIs we would like to have an API on the DAGClient to get 
to that information w/o having to talk to the TimeLineServer ourselves. Similar 
to how the APIs work over in MapReduce, where there is an API to get to the 
TaskAttempt data w/o having to know, how it is stored in the service.



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