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https://issues.apache.org/jira/browse/DRILL-3845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15102518#comment-15102518
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ASF GitHub Bot commented on DRILL-3845:
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Github user jacques-n commented on the pull request:
https://github.com/apache/drill/pull/319#issuecomment-172103488
Looks reasonable. +1
> PartitionSender doesn't send last batch for receivers that already terminated
> -----------------------------------------------------------------------------
>
> 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: Aman Sinha
> 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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