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https://issues.apache.org/jira/browse/PHOENIX-6838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17687407#comment-17687407
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Istvan Toth commented on PHOENIX-6838:
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On an another thougth, I have only reviewed the server side code
(coprocessors), but not the client side occurances.
I got the impression that the rest of the client ConnectionFactory invocations
are not called from the server side, but having someone do a more thorough
analysis would not go amiss.
> Review unpooled HConnection usage
> ---------------------------------
>
> Key: PHOENIX-6838
> URL: https://issues.apache.org/jira/browse/PHOENIX-6838
> Project: Phoenix
> Issue Type: Task
> Components: core
> Reporter: Istvan Toth
> Assignee: Gourab Taparia
> Priority: Major
>
> Directly creating HConnections puts load on ZK and Kerberos.
> We ususally sidestep this problem by creating a PhoenixConnection, which
> re-uses the HConnection object from the appropriate CQSI singleton.
> Review the places where create unpooled HConnections, and switch to pooled
> PhoenixConnections where it makes sense.
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