From: Jerry McBride <mcbrides9@comcast.net>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] More memory?
Date: Mon, 6 Dec 2004 12:20:57 -0500 [thread overview]
Message-ID: <200412061220.57998.mcbrides9@comcast.net> (raw)
In-Reply-To: <49bf44f104120608167e0a24a5@mail.gmail.com>
On Monday 06 December 2004 11:16 am, Grant wrote:
> > > Maybe a better way to phrase my question is: Is it possible to set my
> > > server up so it will use swap when it needs it and then free it back
> > > up when it doesn't need it anymore? What makes me think that is
> > > necessary is the fact that I see a very snappy response when browsing
> > > my site after a fresh reboot. After it's been up for awhile, the swap
> > > starts to fill and it slows down. Rebooting clears out the swap and
> > > the snaps return.
> >
> > Actually, that is the default behaviour.
>
> I'm now using swap again for the first time since my last reboot.
> It's currently at 1036k, but that is guaranteed to keep increasing.
>
> Here's what I don't understand.
>
> total used free shared buffers cached
> Mem: 978 731 246 0 164 226
> -/+ buffers/cache: 340 637
> Swap: 494 1 493
>
> If I'm reading that right, I'm only *using* using 340MB. Why doesn't
> the system get rid of some of the inactive stuff in memory so I don't
> have to use more and more swap and slow down my system?
>
>
Did I miss a previous post? What you don't see is that you are ONLY useing 1
meg of swapper file... What slow down does that cause?
As for making the kernel use more of the free space in cache.... it will...
when it needs it. As you load more and more onto the task heap, the buffers
free space will begin to deminish... same for the free space in the memory
pool.
As for clearing out swap.... instead of rebooting a perfectly running linux
box, how about SWAPON/SWAPOFF? See the man pages...
--
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next prev parent reply other threads:[~2004-12-06 17:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <49bf44f104120306566d7e95cc@mail.gmail.com>
[not found] ` <1102117306.10326.3.camel@sf.rout.dyndns.org>
[not found] ` <49bf44f10412031709175d496@mail.gmail.com>
[not found] ` <20041204013213.GA30529@vicerveza.homeunix.net>
[not found] ` <49bf44f104120318296c48f892@mail.gmail.com>
2004-12-04 23:49 ` [gentoo-user] More memory? James Colannino
[not found] ` <200412040853.22010.uwix@iway.na>
[not found] ` <49bf44f104120410162d888ca2@mail.gmail.com>
[not found] ` <41B2059F.2010407@pnpitalia.it>
[not found] ` <49bf44f10412041057329eda1d@mail.gmail.com>
2004-12-05 1:33 ` Bastian Balthazar Bux
2004-12-06 16:16 ` Grant
2004-12-06 17:20 ` Jerry McBride [this message]
2004-12-06 17:32 ` Billy
2004-12-06 20:36 ` Uwe Thiem
[not found] ` <cor8c2$pgv$1@sea.gmane.org>
2004-12-05 0:27 ` [gentoo-user] " Simon Windsor
2004-12-05 1:39 ` Grant
2004-12-05 12:21 ` Tim Igoe
2004-12-05 18:05 ` Grant
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