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From "Gera Shegalov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-5648) Allow user-specified diagnostics and speculation diagnostics for killed tasks
Date Sat, 23 Nov 2013 19:07:35 GMT
Gera Shegalov created MAPREDUCE-5648:
----------------------------------------

             Summary: Allow user-specified diagnostics and speculation diagnostics for killed
tasks
                 Key: MAPREDUCE-5648
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5648
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: client, mr-am, mrv2
    Affects Versions: 2.2.0
            Reporter: Gera Shegalov


Our users and tools want to be able to supply additional custom diagnostic messages to mapreduce
ClientProtocol killTask.

We also need to clearly indicate when a task attempt is killed because another task attempt
succeeded first when speculative execution is enabled.



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