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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10174) LLAP: ORC MemoryManager is singleton synchronized
Date Wed, 01 Apr 2015 03:58:52 GMT

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

Gopal V updated HIVE-10174:
---------------------------
    Description: 
ORC MemoryManager::addedRow() checks are bad for LLAP multi-threaded performance.

!orc-memorymanager-1.png!
!orc-memorymanager-2.png!

  was:
ORC MemoryManager::addedRow() checks are bad for LLAP multi-threaded performance.

!orc-memory-manager-1.png!
!orc-memory-manager-2.png!


> 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
>         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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