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Posted to dev@phoenix.apache.org by "Gabriel Reid (JIRA)" <ji...@apache.org> on 2014/03/16 08:22:14 UTC
[jira] [Resolved] (PHOENIX-795) Faster binary search for
getColumnLatest
[ https://issues.apache.org/jira/browse/PHOENIX-795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gabriel Reid resolved PHOENIX-795.
----------------------------------
Resolution: Fixed
Bulk resolve of closed issues imported from GitHub. This status was reached by first re-opening all closed imported issues and then resolving them in bulk.
> Faster binary search for getColumnLatest
> ----------------------------------------
>
> Key: PHOENIX-795
> URL: https://issues.apache.org/jira/browse/PHOENIX-795
> Project: Phoenix
> Issue Type: Task
> Reporter: larsh
>
> Ran all Phoenix tests.
> (TestPhoenixSink hangs, but that is not due to this).
> Please have a look. This only helps performance if we do not have to instanceof checks, etc.
> Both JDK7 and JDK6 only pas the search term to the right side of the comparator.
> With this getColumnLatest no longer shows up in the profiler and I see a 20-30% performance improvement even for small KVs.
> Removed the older methods, they weren't used anywhere else. If we need to keep these for backward compatibility we, could add them back.
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