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Posted to issues@hive.apache.org by "Marton Bod (Jira)" <ji...@apache.org> on 2020/02/21 13:58:00 UTC

[jira] [Updated] (HIVE-22832) Parallelise direct insert directory cleaning process

     [ https://issues.apache.org/jira/browse/HIVE-22832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marton Bod updated HIVE-22832:
------------------------------
    Summary: Parallelise direct insert directory cleaning process  (was: Parallelise mm directory cleaning process)

> Parallelise direct insert directory cleaning process
> ----------------------------------------------------
>
>                 Key: HIVE-22832
>                 URL: https://issues.apache.org/jira/browse/HIVE-22832
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Marton Bod
>            Assignee: Marton Bod
>            Priority: Major
>         Attachments: HIVE-22832.1.patch, HIVE-22832.2.patch
>
>
> Inside Utilities::handleMmTableFinalPath, the cleanMmDirectories method is called sequentially for each element of the mmDirectory list, which might have a large number of elements depending on how many partitions were written. This current sequential execution could be improved by parallelising the clean up process. 



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