[jira] [Assigned] (DRILL-3845) Partition sender shouldn't send the "last batch" to a receiver that sent a "receiver finished" to the sender

["Deneche A. Hakim (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-3845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Deneche A. Hakim reassigned DRILL-3845:
---------------------------------------

    Assignee: Deneche A. Hakim

> Partition sender shouldn't send the "last batch" to a receiver that sent a "receiver finished" to the sender
> ------------------------------------------------------------------------------------------------------------
>
>                 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: 1.3.0
>
>
> 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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