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Posted to issues@hbase.apache.org by "Anoop Sam John (JIRA)" <ji...@apache.org> on 2016/02/29 13:00:22 UTC

[jira] [Commented] (HBASE-10775) Revisit the HBASE-4012 byte comprare optimization

    [ https://issues.apache.org/jira/browse/HBASE-10775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15171792#comment-15171792 ] 

Anoop Sam John commented on HBASE-10775:
----------------------------------------

In the old issue [~saint.ack@gmail.com] says
"It is as though we should compare first 5 bytes with old method and if any over, then filp to Unsafe."
Worth trying and experimenting.

> Revisit the HBASE-4012 byte comprare optimization
> -------------------------------------------------
>
>                 Key: HBASE-10775
>                 URL: https://issues.apache.org/jira/browse/HBASE-10775
>             Project: HBase
>          Issue Type: Task
>          Components: Performance
>            Reporter: stack
>
> Some recent findings have it that we undo our HBASE-4012 Unsafe byte compare optimizations.  See tail of the original issue for findings that show compare slower if no bytes in common, etc.



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