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https://issues.apache.org/jira/browse/PHOENIX-2903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15298401#comment-15298401
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Rajeshbabu Chintaguntla commented on PHOENIX-2903:
--------------------------------------------------

[~jamestaylor] For non aggregate queries we can use SCAN_START_AFTER_ROW 
attribute value as scan boundary directly right so that scan itself starts from 
it otherwise we need to scan till we reach SCAN_START_AFTER_ROW. This might 
give scanner timeout exceptions when there is large data in a region.

> Handle split during scan for row key ordered aggregations
> ---------------------------------------------------------
>
>                 Key: PHOENIX-2903
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2903
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>             Fix For: 4.8.0
>
>         Attachments: PHOENIX-2903_v1.patch, PHOENIX-2903_v2.patch, 
> PHOENIX-2903_v3.patch, PHOENIX-2903_wip.patch
>
>
> Currently a hole in our split detection code



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