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https://issues.apache.org/jira/browse/DIRMINA-681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lecharny resolved DIRMINA-681.
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Resolution: Cannot Reproduce
It's difficult to know if this issue still occurs. First, it's quite old (3
years), and since 2.0.0-RC1, we have released 5 versions with many fixes
including a critical fix for the epoll issue.
Also without a test to reproduce the issue, it's quite difficult to do any
investigation...
> Strange CPU peak occuring at fixed interval when several thousand connections
> active
> ------------------------------------------------------------------------------------
>
> Key: DIRMINA-681
> URL: https://issues.apache.org/jira/browse/DIRMINA-681
> Project: MINA
> Issue Type: Task
> Components: Core
> Affects Versions: 2.0.0-RC1
> Environment: Windows Vista Ultimate 64-bit (on 64-bit Sun JDK
> 1.6.0_18). Intel Core 2 Quad Core Q9300 2,5 GHz, 8 GB RAM
> Reporter: Mauritz Lovgren
> Fix For: 2.0.5
>
> Attachments: screenshot-1.jpg, screenshot-2.jpg, screenshot-3.jpg,
> screenshot-4.jpg
>
>
> Observing strange CPU activity occuring at regular (seemingly fixed) interval
> with no protocol traffic activity.
> See attached window capture of task manager that shows this with 3000 active
> connections.
> Is there some kind of cleanup occuring within MINA core at a predefined
> interval?
> The 3000 connections in the example above connects within 250 seconds. A
> normal situation would be that these connections are established over a
> longer period of time, perhaps spreading the CPU peaks shown above as well,
> flattening the curve.
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