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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2013/10/09 08:12:42 UTC

[jira] [Updated] (HBASE-9732) Static AtomicLong updated in StoreFileScanner every (re)seek

     [ https://issues.apache.org/jira/browse/HBASE-9732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl updated HBASE-9732:
---------------------------------

    Attachment: 9732-0.94.txt

0.94 patch.

> Static AtomicLong updated in StoreFileScanner every (re)seek
> ------------------------------------------------------------
>
>                 Key: HBASE-9732
>                 URL: https://issues.apache.org/jira/browse/HBASE-9732
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>             Fix For: 0.98.0, 0.94.13, 0.96.1
>
>         Attachments: 9732-0.94.txt
>
>
> To verify a single test case, we update a static AtomicLong for *every* seek performed on a RegionServer. This is especially bad with multiple seeks going on at the same time.
> W.T.F...?
> This penalty should only be incured when we're actually testing and need to count the seeks.



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