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https://issues.apache.org/jira/browse/HBASE-4469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13122088#comment-13122088
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Ted Yu commented on HBASE-4469:
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I don't see TestBlocksRead in the latest review.
> Avoid top row seek by looking up bloomfilter
> --------------------------------------------
>
> Key: HBASE-4469
> URL: https://issues.apache.org/jira/browse/HBASE-4469
> Project: HBase
> Issue Type: Improvement
> Reporter: Liyin Tang
> Assignee: Liyin Tang
>
> The problem is that when seeking for the row/col in the hfile, we will go to
> top of the row in order to check for row delete marker (delete family).
> However, if the bloomfilter is enabled for the column family, then if a
> delete family operation is done on a row, the row is already being added to
> bloomfilter. We can take advantage of this factor to avoid seeking to the top
> of row.
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