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Posted to issues@hbase.apache.org by "Duo Zhang (Jira)" <ji...@apache.org> on 2023/12/22 15:26:00 UTC

[jira] [Resolved] (HBASE-28224) ClientSideRegionScanner appears not to shutdown MobFileCache

     [ https://issues.apache.org/jira/browse/HBASE-28224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang resolved HBASE-28224.
-------------------------------
    Fix Version/s: 2.6.0
                   2.4.18
                   3.0.0-beta-1
                   2.5.8
     Hadoop Flags: Reviewed
       Resolution: Fixed

Pushed to all active branches.

Thanks [~bewing] for contributing!

> ClientSideRegionScanner appears not to shutdown MobFileCache
> ------------------------------------------------------------
>
>                 Key: HBASE-28224
>                 URL: https://issues.apache.org/jira/browse/HBASE-28224
>             Project: HBase
>          Issue Type: Bug
>          Components: Scanners
>    Affects Versions: 2.5.5
>            Reporter: Mark Hale
>            Assignee: Becker Ewing
>            Priority: Minor
>             Fix For: 2.6.0, 2.4.18, 3.0.0-beta-1, 2.5.8
>
>
> As far as I can tell from the code, and also what I see in jstack, ClientSideRegionScanner doesn't appear to shutdown it's MobFileCache. After doing a lot of scanning of a snapshot, application threads are polluted with a lot of MobFileCache ScheduledThreadPoolExecutors that never seem to get cleaned up.



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