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https://issues.apache.org/jira/browse/HIVE-10174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V resolved HIVE-10174.
----------------------------
Resolution: Done
Fixed in HIVE-10191
> 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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