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Date:      Fri, 11 Sep 2009 13:31:19 -0500
From:      Adam Vande More <amvandemore@gmail.com>
To:        Linda Messerschmidt <linda.messerschmidt@gmail.com>
Cc:        John Almberg <jalmberg@identry.com>, Ivan Voras <ivoras@freebsd.org>, freebsd-questions@freebsd.org
Subject:   Re: reducing size of apache instances
Message-ID:  <6201873e0909111131s509b639fu7d6412169cb0a3b@mail.gmail.com>
In-Reply-To: <237c27100909111105m4ab6fa37v1fa9019d2cd94d2@mail.gmail.com>
References:  <4AA9BCF0.6040003@identry.com> <h8dek8$tsa$1@ger.gmane.org> <4AAA577A.8070103@identry.com> <h8dq3n$4pi$1@ger.gmane.org> <4AAA8D60.4000300@identry.com> <237c27100909111105m4ab6fa37v1fa9019d2cd94d2@mail.gmail.com>

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On Fri, Sep 11, 2009 at 1:05 PM, Linda Messerschmidt <
linda.messerschmidt@gmail.com> wrote:

> On Fri, Sep 11, 2009 at 1:48 PM, John Almberg <jalmberg@identry.com>
> wrote:
> > As a sanity check... I've been studying these processes all morning. When
> I
> > use 'top', the column RES shows the amount of RAM used for the process,
> > correct? This is the value I'd like to get down.
>
> How many Apache processes are involved, total?  Because I'm really not
> sure how much success you're going to have with this.  You're at 22mb
> already (by comparison mine are 44mb *without* mod_php).  How much
> improvement are you looking for?  A couple of megs?
>
> Unless there are tens of thousands of processes, buying a couple of
> gigs of RAM is probably the most time and cost effective solution.
>
> Also keep in mind that a lot of the RES is the configuration, which
> isn't going to change at all when you disable modules. (Unless you
> change it.)
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Not to mention the RES column is a horribly inaccurate method of calculating
mem usage by application.  They don't run 18 MB each that is shared mem.


-- 
Adam Vande More



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