- Peter
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> From: Christopher Schultz [mailto:[EMAIL PROTECTED]
> acceptCount="200" just means that the socket will accept 200
> clients /in
> addition/ to those currently being served by RequestProcessor threads.
> The only way to "see" those waiting clients would be to query
> the socket itself (maybe only
> From: Michal Singer [mailto:[EMAIL PROTECTED]
> Subject: Re: Tomcat request processing gets stuck
>
> I am not sure why, if as i know nio is supposed to improve
> performance.
Not true; NIO improves *capacity*, but it will slightly degrade throughput due
to more thread swi
> From: Christopher Schultz [mailto:[EMAIL PROTECTED]
> Subject: Re: Tomcat request processing gets stuck
>
> > 2. doesn't nio work with one thread? (I thougt that this
> > thread configuration is irrelevant since nio works with
> > one thread to receive requests.
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Michal,
Michal Singer wrote:
> 1. request processors are equivalent to threads?
Yes. The only thing that can execute code is a thread. Given your
configuration, it appears that you will have 500 maximum threads.
I am a little unfamiliar with the NIO
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Michal,
Michal Singer wrote:
> I am not sure the stuck as any thing to do with the Request Processor
> accumulation.
> I work with nio connector. I use acceptCount="200" so maybe this is why i
> see the 200 Request Processors.
acceptCount="200" just
Michal Singer wrote:
> Hi.
> I am not sure the stuck as any thing to do with the Request Processor
> accumulation.
> I work with nio connector. I use acceptCount="200" so maybe this is why i
> see the 200 Request Processors.
>
> This is the full configuratin i use for connector:
>
> protocol="or
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Deear Michal,
When i checked the tomcat using jconsole i see that the object
RequestProcessor
accumulates to many objects which i guess may show the cause of this
problem.
Uhm. Could you explain what you mean here? I don't understand what you
are trying to say.
You see too many request pro
> From: Michal Singer [mailto:[EMAIL PROTECTED]
> Subject: Re: Tomcat request processing gets stuck
>
> maybe the default configuration is not good for load??
No, it's your webapp. Get the thread dumps and tell us what you see in there.
- Chuck
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Michal Singer wrote:
> Hi,
> 1. Please explain what do you mean by thread dumps?
Google is your friend, as is http://tomcat.markmail.org
> 2. why do you think this is an application problem?
Years of experience (and if Tomcat had an issue the users list would be
full of posts reporting problems a
> From: Michal Singer [mailto:[EMAIL PROTECTED]
> Subject: Re: Tomcat request processing gets stuck
>
> 1. Please explain what do you mean by thread dumps?
You could use Google to find definitions and examples...
The JConsole Threads tab shows the stack trace of individual threa
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Michal Singer wrote:
> Any ideas why the stuck, what can i do to check this? can there be a problem
> with my tomcat configuration?
Almost certainly an application issue.
Take a series of thread dumps (2 or 3) 15 seconds apart and look for
threads that are consistently stuck between dumps.
Mark
, Michal
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