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Posted to dev@phoenix.apache.org by "Istvan Toth (Jira)" <ji...@apache.org> on 2023/07/19 10:45:00 UTC

[jira] [Resolved] (PHOENIX-6986) Add property to disable server merges for hinted uncovered indexes

     [ https://issues.apache.org/jira/browse/PHOENIX-6986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Istvan Toth resolved PHOENIX-6986.
----------------------------------
    Fix Version/s: 5.2.0
                   5.1.4
         Assignee: Abhishek Kothalikar
       Resolution: Fixed

Committed to master and 5.1

Thanks for the patch [~kabhishek4] .

> Add property to disable server merges for hinted uncovered indexes
> ------------------------------------------------------------------
>
>                 Key: PHOENIX-6986
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-6986
>             Project: Phoenix
>          Issue Type: Improvement
>          Components: core
>            Reporter: Istvan Toth
>            Assignee: Abhishek Kothalikar
>            Priority: Major
>             Fix For: 5.2.0, 5.1.4
>
>
> The new server merge query plan can perform worse than the old skip-join-scan plan.
> Add a property to completely disable it.
> This should help with migrating workloads to the new version, without having to verify if server merge performs well, and having add hints to disable it where needed.



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