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Posted to dev@drill.apache.org by "Deneche A. Hakim (JIRA)" <ji...@apache.org> on 2015/05/22 02:06:17 UTC

[jira] [Created] (DRILL-3167) When a query fails, Foreman should wait for all fragments to finish cleaning up before sending a FAILED state to the client

Deneche A. Hakim created DRILL-3167:
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             Summary: When a query fails, Foreman should wait for all fragments to finish cleaning up before sending a FAILED state to the client
                 Key: DRILL-3167
                 URL: https://issues.apache.org/jira/browse/DRILL-3167
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Deneche A. Hakim
            Assignee: Deneche A. Hakim
             Fix For: 1.1.0


TestDrillbitResilience.foreman_runTryEnd() exposes this problem intermittently

The query fails and the Foreman reports the failure to the client which removes the results listener associated to the failed query. 
Sometimes, a data batch reaches the client after the FAILED state already arrived, the client doesn't handle this properly and the corresponding buffer is never released.

Making the Foreman wait for all fragments to finish before sending the final state should help avoid such scenarios.



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