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Posted to dev@hive.apache.org by "Eric Wohlstadter (JIRA)" <ji...@apache.org> on 2018/07/05 10:00:00 UTC

[jira] [Created] (HIVE-20093) LlapOutputFomatService: Use ArrowBuf with Netty for Accounting

Eric Wohlstadter created HIVE-20093:
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             Summary: 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


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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