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From "Bernd Eckenfels (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (POOL-277) Monitor contention at BaseGenericObjectPool
Date Tue, 23 Sep 2014 23:52:35 GMT

    [ https://issues.apache.org/jira/browse/POOL-277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145645#comment-14145645
] 

Bernd Eckenfels commented on POOL-277:
--------------------------------------

Some benchmarking on the atomic max: https://gist.github.com/ecki/8350a276caa444a62dce

> 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
>              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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