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Posted to issues@hive.apache.org by "Peter Vary (Jira)" <ji...@apache.org> on 2020/02/04 11:18:00 UTC

[jira] [Commented] (HIVE-22825) Reduce directory lookup cost for acid tables

    [ https://issues.apache.org/jira/browse/HIVE-22825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17029767#comment-17029767 ] 

Peter Vary commented on HIVE-22825:
-----------------------------------

[~rajesh.balamohan]: Good finding! Shall we add this to the AcidUtils instead of the OrcInputFormat, so other components can benefit from it too?
Thanks,
Peter

> Reduce directory lookup cost for acid tables
> --------------------------------------------
>
>                 Key: HIVE-22825
>                 URL: https://issues.apache.org/jira/browse/HIVE-22825
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>            Reporter: Rajesh Balamohan
>            Priority: Minor
>         Attachments: HIVE-22825.1.patch
>
>
> With objectstores, directory lookup costs are expensive. For acid tables, it would be good to have a directory cache to reduce number of lookup calls.



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