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From "Eric Wohlstadter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20093) LlapOutputFomatService: Use ArrowBuf with Netty for Accounting
Date Thu, 05 Jul 2018 10:09:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Wohlstadter updated HIVE-20093:
------------------------------------
    Status: Patch Available  (was: Open)

> LlapOutputFomatService: Use ArrowBuf with Netty for Accounting
> --------------------------------------------------------------
>
>                 Key: HIVE-20093
>                 URL: https://issues.apache.org/jira/browse/HIVE-20093
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Eric Wohlstadter
>            Assignee: Eric Wohlstadter
>            Priority: Major
>         Attachments: HIVE-20093.1.patch
>
>
> Combining {{Unpooled.wrappedBuffer}} with Arrow buffers can create corrupted buffers from
buffer reuse race-condition.
> This change ensures Arrow memory to be accounted by the same BufferAllocator.
> RootAllocator will return an ArrowBuf which cooperates with Arrow memory arrow accounting
after Netty {{release(1)}} the buffer.



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