dzcxzl created MAPREDUCE-7439:
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             Summary: JHS MoveIntermediateToDone thread pool should override 
CallerContext
                 Key: MAPREDUCE-7439
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7439
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: jobhistoryserver
            Reporter: dzcxzl


Now the job history server provides RPC services. If the Client passes the 
CallerContext, the RPC will create a MoveIntermediateToDone thread. The 
CallerContext supports parent-child thread variable inheritance, so the 
MoveIntermediateToDone thread may always be the CallerContext.



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