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https://issues.apache.org/jira/browse/HBASE-2450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906020#action_12906020
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stack commented on HBASE-2450:
------------------------------

Chatting w/ Benoit, its kinda crazy having to look at start of row/start of 
family before trusting found cell.  What if we went back to the old scheme 
where we added a delete for every cell deleted so if you deleted a row it'd add 
a delete marker for every value in that row?  Deletes of rows or column 
familiies would be expensive but so what... 

> For single row reads of specific columns, seek to the first column in HFiles 
> rather than start of row
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-2450
>                 URL: https://issues.apache.org/jira/browse/HBASE-2450
>             Project: HBase
>          Issue Type: Improvement
>          Components: io, regionserver
>            Reporter: Jonathan Gray
>            Assignee: Pranav Khaitan
>             Fix For: 0.90.0
>
>
> Currently we will always seek to the start of a row.  If we are getting 
> specific columns, we should seek to the first column in that row.

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