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Posted to issues@hbase.apache.org by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org> on 2015/08/26 09:18:46 UTC

[jira] [Commented] (HBASE-14315) Save one call to KeyValueHeap.peek per row

    [ https://issues.apache.org/jira/browse/HBASE-14315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14712635#comment-14712635 ] 

ramkrishna.s.vasudevan commented on HBASE-14315:
------------------------------------------------

I think patch makes sense. +1.

> Save one call to KeyValueHeap.peek per row
> ------------------------------------------
>
>                 Key: HBASE-14315
>                 URL: https://issues.apache.org/jira/browse/HBASE-14315
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>         Attachments: 14315-0.98.txt
>
>
> Another one of my micro optimizations.
> In StoreScanner.next(...) we can actually save a call to KeyValueHeap.peek, which in my runs of scan heavy loads shows up at top.
> Based on the run and data this can safe between 3 and 10% of runtime.



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