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https://issues.apache.org/jira/browse/PHOENIX-6701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17530231#comment-17530231
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Josh Elser commented on PHOENIX-6701:
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Thanks, Istvan.
We had a lot of performance issues which were chalked up to the stream
switchover after the pread threshold was exceeded. I'm reticent to push that
into the indexhalfstore reader as I think we'd experience the same slow down.
> Do not set ReaderType.STREAM in IndexHalfStoreFileReader
> --------------------------------------------------------
>
> Key: PHOENIX-6701
> URL: https://issues.apache.org/jira/browse/PHOENIX-6701
> Project: Phoenix
> Issue Type: Improvement
> Components: core
> Reporter: Istvan Toth
> Priority: Major
>
> We generally use ReaderType.PREAD for performace reasons.
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