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https://issues.apache.org/jira/browse/HBASE-8554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13658669#comment-13658669
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Varun Sharma commented on HBASE-8554:
-------------------------------------

I think this is tricky since we only want to seek for the first region and not 
the latter ones, but i still think this is doable by comparing with the current 
region's startKey and the Scan's startRow.
                
> Scan should seek to startRow within a region
> --------------------------------------------
>
>                 Key: HBASE-8554
>                 URL: https://issues.apache.org/jira/browse/HBASE-8554
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Varun Sharma
>            Assignee: Varun Sharma
>
> Currently Scan.startRow() is only used for determining which Region to look 
> up the row into but we do not seek within the region to the start row. Since 
> its not uncommon to run with large sized regions these days 5G, this is 
> suboptimal.

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