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Posted to issues@hive.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2017/01/08 20:12:58 UTC

[jira] [Updated] (HIVE-15562) LLAP TaskExecutorService race can lead to some fragments being permanently lost

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

Siddharth Seth updated HIVE-15562:
----------------------------------
    Status: Patch Available  (was: Open)

> 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
>         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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