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Posted to dev@phoenix.apache.org by "Viraj Jasani (Jira)" <ji...@apache.org> on 2021/05/21 16:38:00 UTC

[jira] [Updated] (PHOENIX-5495) Avoid server-server RPCs when row locks are held inside MetaDataEndpointImpl

     [ https://issues.apache.org/jira/browse/PHOENIX-5495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Viraj Jasani updated PHOENIX-5495:
----------------------------------
    Fix Version/s:     (was: 4.16.1)
                   4.16.2
                   5.1.2
                   5.2.0

> Avoid server-server RPCs when row locks are held inside MetaDataEndpointImpl
> ----------------------------------------------------------------------------
>
>                 Key: PHOENIX-5495
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5495
>             Project: Phoenix
>          Issue Type: Improvement
>    Affects Versions: 4.15.0, 5.1.0
>            Reporter: Chinmay Kulkarni
>            Priority: Major
>             Fix For: 4.17.0, 5.2.0, 5.1.2, 4.16.2
>
>
> At various spots in MetaDataEndpointImpl, we acquire row locks and then while locks are held, do server-to-server RPC calls. This can lead to lock starvation if RPCs take too long. We should decouple such interactions as much as possible.



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