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https://issues.apache.org/jira/browse/DIRMINA-681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12830941#action_12830941
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Emmanuel Lecharny commented on DIRMINA-681:
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Yes, we have reached the very same state even when the selector is not switched.
Strange enough, after a certain number of exchanged messages, it stall
completely. Som trace I got shown that he clients socket are doing nothing. I
didn't had tie last week to check what was going on, but this is really
strange.
The fix was introduced to remove the blocked selector, and it works, but there
is something wrong in another area. There is another JIRA opened for these
probelms :
https://issues.apache.org/jira/browse/DIRMINA-762
> 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-M4, 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: 2.0.0
>
> 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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