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Posted to issues@commons.apache.org by "Bernd Eckenfels (JIRA)" <ji...@apache.org> on 2014/09/27 22:15:34 UTC

[jira] [Resolved] (POOL-277) Monitor contention at BaseGenericObjectPool

     [ https://issues.apache.org/jira/browse/POOL-277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bernd Eckenfels resolved POOL-277.
----------------------------------
    Resolution: Fixed
      Assignee: Bernd Eckenfels

I have committed the minimum possible fix in rev1627997. It does not touch
the statistics collection, as it might be a larger task to make this more generic.


> Monitor contention at BaseGenericObjectPool
> -------------------------------------------
>
>                 Key: POOL-277
>                 URL: https://issues.apache.org/jira/browse/POOL-277
>             Project: Commons Pool
>          Issue Type: Improvement
>    Affects Versions: 2.2
>            Reporter: Lucas Pouzac
>            Assignee: Bernd Eckenfels
>              Labels: concurrency, performance
>             Fix For: 2.3
>
>         Attachments: monitor_contention_basegenericobjectpool.png, monitor_contention_basegenericobjectpool_after_pull_request.png, nolockstats2.patch
>
>
> Updating JMX causes synchronization while the service is secondary. See screenshot.
> I create a Pull Request [#1|https://github.com/apache/commons-pool/pull/1].



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