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Posted to issues@hbase.apache.org by "Bharath Vissapragada (Jira)" <ji...@apache.org> on 2021/02/02 19:18:00 UTC

[jira] [Updated] (HBASE-25528) Dedicated merge dispatch threadpool on master

     [ https://issues.apache.org/jira/browse/HBASE-25528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bharath Vissapragada updated HBASE-25528:
-----------------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> Dedicated merge dispatch threadpool on master
> ---------------------------------------------
>
>                 Key: HBASE-25528
>                 URL: https://issues.apache.org/jira/browse/HBASE-25528
>             Project: HBase
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 3.0.0-alpha-1, 1.7.0, 2.5.0
>            Reporter: Bharath Vissapragada
>            Assignee: Bharath Vissapragada
>            Priority: Minor
>             Fix For: 3.0.0-alpha-1, 1.7.0, 2.5.0, 2.3.5, 2.4.2
>
>
> Over the weekend we ran into an issue of running normalizer on a table with ~400k regions and we noticed the master was bottlenecked on merge dispatcher code that runs on a single threaded thread-pool that was meant for all master table operations (opcode: MASTER_TABLE_OPERATIONS). Having a dedicated thread-pool helped us dispatch merges at a faster rate.



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