[GitHub] drill issue #921: DRILL-4286 Graceful shutdown of drillbit

[dvjyothsna]

Github user dvjyothsna commented on the issue:

    https://github.com/apache/drill/pull/921
  
    @weijietong Please refer to comments under JIRA - 
https://issues.apache.org/jira/browse/DRILL-4286


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