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https://issues.apache.org/jira/browse/HBASE-10775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15171792#comment-15171792
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Anoop Sam John commented on HBASE-10775:
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In the old issue [[email protected]] 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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