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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (DRILL-3845) PartitionSender doesn't send last batch for receivers that already terminated
Date Fri, 15 Jan 2016 22:31:39 GMT

     [ 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  (was: Aman Sinha)

> 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: 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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