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https://issues.apache.org/jira/browse/HIVE-12227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975118#comment-14975118
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Gopal V commented on HIVE-12227:
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LGTM - +1.
> LLAP: better column vector object pools
> ---------------------------------------
>
> Key: HIVE-12227
> URL: https://issues.apache.org/jira/browse/HIVE-12227
> Project: Hive
> Issue Type: Bug
> Reporter: Gopal V
> Assignee: Sergey Shelukhin
> Fix For: 2.0.0
>
> Attachments: HIVE-12227.01.patch, HIVE-12227.patch
>
>
> Vector allocations become a problem in sub-second cases. The pool of 8 per
> request is too small. Needs to be bigger -and potentially pre-populated if we
> can do it off the main path-.
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