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https://issues.apache.org/jira/browse/HIVE-10805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14557977#comment-14557977
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Rajesh Balamohan commented on HIVE-10805:
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Applied .02 patch and tested. Works fine without any OOM issue.
> OOM in vectorized reduce
> ------------------------
>
> Key: HIVE-10805
> URL: https://issues.apache.org/jira/browse/HIVE-10805
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.2.0
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Blocker
> Fix For: 1.2.1
>
> Attachments: HIVE-10805.01.patch, HIVE-10805.02.patch
>
>
> Vectorized reduce does not release scratch byte space in BytesColumnVectors
> and runs out of memory.
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