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https://issues.apache.org/jira/browse/HBASE-2450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12858518#action_12858518
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ryan rawson commented on HBASE-2450:
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[[ Old comment, sent by email on Thu, 15 Apr 2010 13:34:44 -0700 ]]
FYI
Minor compactions enforce deletes and prune them out. I've variously
attempted to do more in minor compactions but I had to roll it back
because it would take way too long to minor compact. I was hoping we
could enforce version count at some point but I'm not sure if that'll
be possible.
So yes, complexity of the minor compaction process does become a problem.
> 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: Hadoop HBase
> Issue Type: Improvement
> Components: io, regionserver
> Reporter: Jonathan Gray
> Fix For: 0.20.5, 0.21.0
>
>
> 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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