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https://issues.apache.org/jira/browse/HIVE-12077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15457803#comment-15457803
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Ferdinand Xu commented on HIVE-12077:
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[~thejas] HIVE-14693 to fix this bug has been linked to this ticket.
> MSCK Repair table should fix partitions in batches
> ---------------------------------------------------
>
> Key: HIVE-12077
> URL: https://issues.apache.org/jira/browse/HIVE-12077
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Ryan P
> Assignee: Chinna Rao Lalam
> Fix For: 2.2.0
>
> Attachments: HIVE-12077.1.patch, HIVE-12077.2.patch,
> HIVE-12077.3.patch, HIVE-12077.4.patch, HIVE-12077.5.patch
>
>
> If a user attempts to run MSCK REPAIR TABLE on a directory with a large
> number of untracked partitions HMS will OOME. I suspect this is because it
> attempts to do one large bulk load in an effort to save time. Ultimately this
> can lead to a collection so large in size that HMS eventually hits an Out of
> Memory Exception.
> Instead I suggest that Hive include a configurable batch size that HMS can
> use to break up the load.
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