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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3845) UnorderedReceiver shouldn't terminate until it receives a final batch
Date Thu, 07 Jan 2016 21:28:39 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15088144#comment-15088144
] 

ASF GitHub Bot commented on DRILL-3845:
---------------------------------------

GitHub user adeneche opened a pull request:

    https://github.com/apache/drill/pull/319

    DRILL-3845: PartitionSender doesn't send last batch for receivers that already terminated

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/adeneche/incubator-drill DRILL-3845

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/drill/pull/319.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #319
    
----
commit c9dbfbd38125ac29410175fd0f1b96b1ba52aab4
Author: adeneche <adeneche@gmail.com>
Date:   2016-01-06T22:50:38Z

    DRILL-3845: UnorderedReceiver shouldn't terminate until it receives a final batch

----


> UnorderedReceiver shouldn't terminate until it receives a final batch
> ---------------------------------------------------------------------
>
>                 Key: DRILL-3845
>                 URL: https://issues.apache.org/jira/browse/DRILL-3845
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators
>            Reporter: Deneche A. Hakim
>            Assignee: Deneche A. Hakim
>             Fix For: 1.5.0
>
>         Attachments: 29c45a5b-e2b9-72d6-89f2-d49ba88e2939.sys.drill
>
>
> Even if a receiver has finished and informed the corresponding partition sender, the
sender will still try to send a "last batch" to the receiver when it's done. In most cases
this is fine as those batches will be silently dropped by the receiving DataServer, but if
a receiver has finished +10 minutes ago, DataServer will throw an exception as it couldn't
find the corresponding FragmentManager (WorkEventBus has a 10 minutes recentlyFinished cache).
> DRILL-2274 is a reproduction for this case (after the corresponding fix is applied).



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