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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2015/04/01 05:57:52 UTC

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

Gopal V created HIVE-10174:
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             Summary: 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-memory-manager-1.png!
!orc-memory-manager-2.png!



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