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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1267) Set scan.setSmall(true) when appropriate
Date Mon, 19 Feb 2018 16:17:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16369273#comment-16369273
] 

James Taylor commented on PHOENIX-1267:
---------------------------------------

Yes, this sounds good, [~abhishek.chouhan]. I think the tricky part is figuring out what the
threshold should be.

> Set scan.setSmall(true) when appropriate
> ----------------------------------------
>
>                 Key: PHOENIX-1267
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1267
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: Abhishek Singh Chouhan
>            Priority: Major
>              Labels: SFDC, newbie
>             Fix For: 4.14.0
>
>         Attachments: smallscan.patch, smallscan2.patch, smallscan3.patch
>
>
> There's a nice optimization that has been in HBase for a while now to set a scan as "small".
This prevents extra RPC calls, I believe. We should add a hint for queries that forces it
to be set/not set, and make our best guess on when it should default to true.



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