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Posted to issues@hbase.apache.org by "wenfeiyi666 (Jira)" <ji...@apache.org> on 2020/08/11 11:05:00 UTC

[jira] [Assigned] (HBASE-24674) Procedure Executor doesn't handle burst well

     [ https://issues.apache.org/jira/browse/HBASE-24674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

wenfeiyi666 reassigned HBASE-24674:
-----------------------------------

    Assignee: wenfeiyi666

> Procedure Executor doesn't handle burst well
> --------------------------------------------
>
>                 Key: HBASE-24674
>                 URL: https://issues.apache.org/jira/browse/HBASE-24674
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.2.5
>            Reporter: Clara Xiong
>            Assignee: wenfeiyi666
>            Priority: Major
>
> Currently, Procedure Executor checks for stuck threads every 5 sec. If >50% are stuck, one worker thread is added until maxPoolSize is reached. In a burst scenario, this cannot catch up and causes thread starvation. A smarter algorithm can be used to measure the pressure and step up automatically.



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