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https://issues.apache.org/jira/browse/HIVE-19995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich updated HIVE-19995:
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Attachment: HIVE-19995.01wip01.patch
> Aggregate row traffic for acid tables
> -------------------------------------
>
> Key: HIVE-19995
> URL: https://issues.apache.org/jira/browse/HIVE-19995
> Project: Hive
> Issue Type: Sub-task
> Components: Statistics, Transactions
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-19995.01wip01.patch, HIVE-19995.01wip01.patch
>
>
> for transactional tables we store basic stats in case of explicit
> analyze/rewrite; but doesn't do anything in other cases....which may even
> lead to plans which oom...
> It would be better to aggregate the total row traffic...because that is
> already available; so that operator tree estimations could work with a real
> upper bound of the row numbers.
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