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Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2015/04/08 09:50:12 UTC

[jira] [Assigned] (HIVE-10174) LLAP: ORC MemoryManager is singleton synchronized

     [ https://issues.apache.org/jira/browse/HIVE-10174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V reassigned HIVE-10174:
------------------------------

    Assignee: Gopal V

> LLAP: ORC MemoryManager is singleton synchronized
> -------------------------------------------------
>
>                 Key: HIVE-10174
>                 URL: https://issues.apache.org/jira/browse/HIVE-10174
>             Project: Hive
>          Issue Type: Sub-task
>          Components: File Formats
>    Affects Versions: llap
>            Reporter: Gopal V
>            Assignee: Gopal V
>         Attachments: orc-memorymanager-1.png, orc-memorymanager-2.png
>
>
> ORC MemoryManager::addedRow() checks are bad for LLAP multi-threaded performance.
> !orc-memorymanager-1.png!
> !orc-memorymanager-2.png!



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