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https://issues.apache.org/jira/browse/HBASE-2916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917442#action_12917442
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ryan rawson commented on HBASE-2916:
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the issue is that it might be possible to avoid reading the first block in a
row if we just want something much deeper in, by doing something clever with
delete family we won't need to read the first block and that could save on
block cache overhead.
> Reseek directly to next column
> ------------------------------
>
> Key: HBASE-2916
> URL: https://issues.apache.org/jira/browse/HBASE-2916
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Pranav Khaitan
> Assignee: Pranav Khaitan
> Fix For: 0.90.0
>
> Attachments: HBASE-2916-V2.patch
>
>
> When done with the current column, reseek directly to the next column rather
> than spending time reading more keys of current row-column which are not
> required.
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