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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-15562) LLAP TaskExecutorService race can lead to some fragments being permanently lost
Date Tue, 10 Jan 2017 08:03:58 GMT

     [ https://issues.apache.org/jira/browse/HIVE-15562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Siddharth Seth updated HIVE-15562:
----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.1.2
                   2.2.0
           Status: Resolved  (was: Patch Available)

> LLAP TaskExecutorService race can lead to some fragments being permanently lost
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-15562
>                 URL: https://issues.apache.org/jira/browse/HIVE-15562
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>            Priority: Critical
>             Fix For: 2.2.0, 2.1.2
>
>         Attachments: HIVE-15562.01.patch
>
>
> A fragment can be evicted before it's submission completed. A race can cause a situation
As a result, we end up trying to unregister the fragment for stateChangeNotifications before
it has been registered - leading to an exception, which skips the actual fragment kill.



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