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Posted to issues@hbase.apache.org by "Nick Dimiduk (JIRA)" <ji...@apache.org> on 2016/01/27 16:05:40 UTC

[jira] [Updated] (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:all-tabpanel ]

Nick Dimiduk updated HBASE-14315:
---------------------------------
    Fix Version/s:     (was: 1.1.2)
                   1.1.3

Updating fix version based on release audit vs what's committed.

> 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
>            Assignee: Lars Hofhansl
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 0.98.15, 1.0.3, 1.1.3
>
>         Attachments: 14315-0.98.txt, 14315-master.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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