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Posted to issues@hive.apache.org by "Denys Kuzmenko (Jira)" <ji...@apache.org> on 2021/11/10 08:07:00 UTC

[jira] [Resolved] (HIVE-25631) Initiator speed-up: only read compaction history once per loop

     [ https://issues.apache.org/jira/browse/HIVE-25631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Denys Kuzmenko resolved HIVE-25631.
-----------------------------------
    Resolution: Fixed

> Initiator speed-up: only read compaction history once per loop
> --------------------------------------------------------------
>
>                 Key: HIVE-25631
>                 URL: https://issues.apache.org/jira/browse/HIVE-25631
>             Project: Hive
>          Issue Type: Task
>            Reporter: Denys Kuzmenko
>            Assignee: Denys Kuzmenko
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> In checkFailedCompactions (which is called for every partition in the list of potentials to compact) we select from metadata table COMPLETED_COMPACTIONS.
> But the Initiator main loop already has a ShowCompactResponse. We can use that instead.
> For cases where metadata is huge, this will help speed up the Initiator.



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