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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/04/13 18:44:13 UTC

[jira] [Updated] (HBASE-13307) Making methods under ScannerV2#next smaller allows them to be inlined gaining us 7% more throughput

     [ https://issues.apache.org/jira/browse/HBASE-13307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-13307:
--------------------------
    Attachment: 13307v2.branch-1.txt

Trying branch-1 first. If passes, will make a master branch patch.

> Making methods under ScannerV2#next smaller allows them to be inlined gaining us 7% more throughput
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-13307
>                 URL: https://issues.apache.org/jira/browse/HBASE-13307
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Scanners
>            Reporter: stack
>            Assignee: stack
>             Fix For: 2.0.0, 1.1.0
>
>         Attachments: 13307.txt, 13307v2.branch-1.txt, traces.8.svg, traces.9.svg
>
>
> See parent issue for patch and evidence.
> I was looking at graphs of our scan and found that methods were 'too big' to be inlined (looking at jvm compilation and inlining output flags -- see parent for list).  Changing method size helped some. Let me commit the resultant patch.



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