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From Aurélien DEHAY <aurelien.de...@ext.anpe.fr>
Subject Re: [users@httpd] High load average problem
Date Wed, 19 May 2004 12:24:06 GMT
Le mer 19/05/2004 à 12:52, Nick Kew a écrit :
> On Wed, 19 May 2004, Aurélien DEHAY wrote:
> 
> > Furthermore, he is already using prefork env: he has a RH 9, then with
> > the NPTL patch applied, and if he is using the worker model, he wouldn't
> > see all that httpd but only a few.
> 
> I was guessing based on seeing several listed "httpd"s of exactly
> the same size.  That's typical of linux's ps listing different
> threads "as if" they are processes under kernel 2.4.

Well.... Didn't look at that, but maybe ;) Wait and see the future
answer of David to our questions.

> 
> They're also huge - presumably due to something running locally and
> perhaps leaking memory badly - and in state D.  The latter could
> be down to a number of causes: heavy thrashing (bloated processes)
> or threading trouble and deadlock.  I'd be looking at what's causing
> the httpd size to spiral out of control.  Especially if it's prefork,
> so that no process is handling more than one client!

I'd had this beaviour of bloated httpd processes with a third party
modules. David, if you read us, please give more details on your
configuration.

-- 
Aurélien DEHAY


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