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https://issues.apache.org/jira/browse/HIVE-23536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17117487#comment-17117487
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Peter Vary commented on HIVE-23536:
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Thanks [~ashutoshc] for the review and the push!
> Provide an option to skip stats generation for major compaction
> ---------------------------------------------------------------
>
> Key: HIVE-23536
> URL: https://issues.apache.org/jira/browse/HIVE-23536
> Project: Hive
> Issue Type: Improvement
> Components: Transactions
> Reporter: Peter Vary
> Assignee: Peter Vary
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-23536.02.patch, HIVE-23536.03.patch,
> HIVE-23536.patch
>
>
> Currently major MR compaction is regenerates stats every time if the column
> stats table contains some data. Some configurations do not use stats but
> because of historical reasons the column stats table can still contain some
> data.
> We should provide a possibility to skip stats generation in these cases.
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