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https://issues.apache.org/jira/browse/HIVE-11777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002689#comment-15002689
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Sergey Shelukhin commented on HIVE-11777:
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Hmm. I'll see if it's easy to add unit tests.
> implement an option to have single ETL strategy for multiple directories
> ------------------------------------------------------------------------
>
> Key: HIVE-11777
> URL: https://issues.apache.org/jira/browse/HIVE-11777
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-11777.01.patch, HIVE-11777.02.patch,
> HIVE-11777.03.patch, HIVE-11777.04.patch, HIVE-11777.05.patch,
> HIVE-11777.patch
>
>
> In case of metastore footer PPD we don't want to call PPD call with all
> attendant SARG, MS and HBase overhead for each directory. If we wait for some
> time (10ms? some fraction of inputs?) we can do one call without losing
> overall perf.
> For now make it time based.
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