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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/03/01 13:45:00 UTC

[jira] [Updated] (HIVE-25990) Optimise multiple copies in case of CTAS in external tables for Object stores

     [ https://issues.apache.org/jira/browse/HIVE-25990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HIVE-25990:
----------------------------------
    Labels: pull-request-available  (was: )

> Optimise multiple copies in case of CTAS in external tables for Object stores
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-25990
>                 URL: https://issues.apache.org/jira/browse/HIVE-25990
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Ayush Saxena
>            Assignee: Ayush Saxena
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Presently for CTAS with external tables, there are two renames, operations, one from tmp to _ext and then from _ext to actual target.
> In case of object stores, the renames lead to actual copy. Avoid renaming by avoiding rename from tmp to _ext, but by creating a list of files to be copied in that directly, which can be consumed in the move task, to copy directly from tmp to actual target.



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