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From "Lars Volker (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IMPALA-5639) Exhaustive tests hitting DCHECK in FragmentInstanceState::Close()
Date Mon, 10 Jul 2017 20:58:00 GMT
Lars Volker created IMPALA-5639:
-----------------------------------

             Summary: Exhaustive tests hitting DCHECK in FragmentInstanceState::Close()
                 Key: IMPALA-5639
                 URL: https://issues.apache.org/jira/browse/IMPALA-5639
             Project: IMPALA
          Issue Type: Bug
          Components: Backend
    Affects Versions: Impala 2.10.0
            Reporter: Lars Volker
            Assignee: Dan Hecht
            Priority: Blocker


Even with the relaxation of IMPALA-4631 we're hitting the DCHECK in {{fragment-instance-state.cc:320}}:

{code}
    // TODO: IMPALA-4631: Occasionally we see other_time = total_time + 1 for some reason
    // we don't yet understand, so add 1 to total_time to avoid DCHECKing in that case.
    DCHECK_LE(other_time, total_time + 1);
{code}

[~dhecht] - I'm assigning this to you since you worked on IMPALA-4631; feel free to find another
person or assign back to me if you're swamped.



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