[jira] Updated: (DIRMINA-681) Strange CPU peak occuring at fixed interval when several thousand connections active

["Mauritz Lovgren (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DIRMINA-681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mauritz Lovgren updated DIRMINA-681:
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    Attachment: screenshot-1.jpg

Task manager capture that shows the strange CPU peaks caused by MINA having 3000 client connections active with no traffic.

> 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: Bug
>          Components: Core
>    Affects Versions: 2.0.0-M4
>         Environment: Windows Vista Ultimate 64-bit (on 64-bit Sun JDK 1.6.0_12)
>            Reporter: Mauritz Lovgren
>         Attachments: screenshot-1.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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