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Posted to dev@hbase.apache.org by "Matteo Bertozzi (JIRA)" <ji...@apache.org> on 2013/04/25 13:02:16 UTC
[jira] [Resolved] (HBASE-8418) Caching KeyValue.getRowLength() to
improve scan performance
[ https://issues.apache.org/jira/browse/HBASE-8418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matteo Bertozzi resolved HBASE-8418.
------------------------------------
Resolution: Invalid
closing down, after longer tests this doesn't seems to give the expected results.
> 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
> Attachments: HBASE-8418-0.94-v0.patch
>
>
> 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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