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https://issues.apache.org/jira/browse/HIVE-9331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308825#comment-15308825
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Sergey Shelukhin commented on HIVE-9331:
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Thanks!
> get rid of pre-optimized-hashtable memory optimizations
> -------------------------------------------------------
>
> Key: HIVE-9331
> URL: https://issues.apache.org/jira/browse/HIVE-9331
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.15.0
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Fix For: 1.1.0
>
> Attachments: HIVE-9331.01.patch, HIVE-9331.01.patch,
> HIVE-9331.02.patch, HIVE-9331.patch, HIVE-9331.patch
>
>
> These were added in 13 because optimized hashtable couldn't make it in; they
> reduced memory usage by some amount (10-25%), and informed the design of the
> optimized hashtable, but now extra settings and code branches are just
> confusing and may have their own bugs. Might as well remove them.
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