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https://issues.apache.org/jira/browse/DRILL-3167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606279#comment-14606279
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Deneche A. Hakim commented on DRILL-3167:
-----------------------------------------

TestDrillbitResilience.failsWhenSendingFragments is failing consistently. I 
think it exposes a limitation in the Foreman if for some a failure occurs 
before fragments are sent remotely, the Foreman will still wait for them to 
finish when there is a failure.

> 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: Jason Altekruse
>             Fix For: 1.2.0
>
>         Attachments: DRILL-3167.1.patch.txt, DRILL-3267.2.patch.txt
>
>
> 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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