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https://issues.apache.org/jira/browse/PHOENIX-1675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334296#comment-14334296
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James Taylor commented on PHOENIX-1675:
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On the read side, we only do scans, so in theory using a DirectExecutorService
will prevent the context switch of getting another thread to do the scan RPCs
(since we already got the thread out of pool to do the scan work). If we see a
lot of perf benefit with the direct executor approach, we might make this a
configurable option. We should test with a separate HTable thread pool as well,
though, as that seems simpler given that we definitely need one for writes.
> Improve Phoenix client threading
> --------------------------------
>
> Key: PHOENIX-1675
> URL: https://issues.apache.org/jira/browse/PHOENIX-1675
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Attachments: PHOENIX-1675_wip.patch
>
>
> See PHOENIX-971 for some interesting threading discussions. Moving here for
> further discussion.
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