binlijin created HBASE-16659:
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Summary: Minor improvement in ReversedRegionScannerImpl
Key: HBASE-16659
URL: https://issues.apache.org/jira/browse/HBASE-16659
Project: HBase
Issue Type: Improvement
Reporter: binlijin
Priority: Minor
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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