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https://issues.apache.org/jira/browse/PHOENIX-3818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15993355#comment-15993355
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James Taylor commented on PHOENIX-3818:
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The run on server side code I mentioned above has been in the code base since
our 1.0 release. Removing this would be a regression.
Even the new feature introduced in PHOENIX-3271 was to improve scaling. It's
not scalable to run a big UPSERT SELECT that returns all data back to a single
client. IMHO, having a way to disable this is not particularly valuable. I'd be
more inclined to spend the time perf testing any scenarios folks are worried
about.
> Add client setting to disable server side UPSERT SELECT work
> ------------------------------------------------------------
>
> Key: PHOENIX-3818
> URL: https://issues.apache.org/jira/browse/PHOENIX-3818
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: 4.10.0
> Reporter: Alex Araujo
> Assignee: Alex Araujo
> Attachments: PHOENIX-3818.v1.patch
>
>
> PHOENIX-3271 introduced RS -> RS RPCs by default via UPSERT SELECT
> statements. Add a client side setting that disables this behavior.
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