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Posted to dev@hbase.apache.org by "Matteo Bertozzi (JIRA)" <ji...@apache.org> on 2013/04/24 17:09:15 UTC

[jira] [Created] (HBASE-8418) Caching KeyValue.getRowLength() to improve scan performance

Matteo Bertozzi created HBASE-8418:
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             Summary: Caching KeyValue.getRowLength() to improve scan performance
                 Key: HBASE-8418
                 URL: https://issues.apache.org/jira/browse/HBASE-8418
             Project: HBase
          Issue Type: Improvement
          Components: regionserver
            Reporter: Matteo Bertozzi
            Assignee: Matteo Bertozzi
            Priority: Minor


Looking at the profile seems that Bytes.toShort() is called a lot.
the calls are in ScanQueryMatcher.match() and KeyValue.KeyComparator.compare()

getKeyLength() is already cached, but getRowLength() is not.


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