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https://issues.apache.org/jira/browse/HBASE-16659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15506161#comment-15506161
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binlijin commented on HBASE-16659:
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I find some other places that we can use CellUtil.createFirstOnRow instead of
KeyValueUtil.createFirstOnRow, which is more effective.
> Minor improvement in ReversedRegionScannerImpl
> ----------------------------------------------
>
> Key: HBASE-16659
> URL: https://issues.apache.org/jira/browse/HBASE-16659
> Project: HBase
> Issue Type: Improvement
> Reporter: binlijin
> Assignee: binlijin
> Priority: Minor
> Attachments: HBASE-16659-master.patch
>
>
> Current in ReversedRegionScannerImpl#nextRow, to get the previous row to
> seek, it use KeyValueUtil.createFirstOnRow which will have two copy, the
> first copy is copy to a tmp byte[], the second copy is in KeyValue. We can
> use CellUtil.createFirstOnRow which will have no copy.
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