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https://issues.apache.org/jira/browse/PHOENIX-6986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17743037#comment-17743037
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ASF GitHub Bot commented on PHOENIX-6986:
-----------------------------------------

kabhishek4 opened a new pull request, #1640:
URL: https://github.com/apache/phoenix/pull/1640

   …ed indexes
   
   Introduces config parameter to enable or disable server merges of uncovered 
hinted indexes.
   




> 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
>            Priority: Major
>
> 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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