From: Mike Fedyk <mfedyk@matchmail.com>
To: "Anthony R." <russo.lutions@verizon.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: cache limit
Date: Tue, 19 Aug 2003 11:26:14 -0700 [thread overview]
Message-ID: <20030819182614.GC19465@matchmail.com> (raw)
In-Reply-To: <3F42342A.8050605@verizon.net>
On Tue, Aug 19, 2003 at 10:28:58AM -0400, Anthony R. wrote:
>
> >>another program needs more memory, so it shouldn't swap, but that is not
> >>the
> >>behaviour I am seeing.
> >>
> >>Can anyone help point me in the right direction?
> >>
> >>
> >
> >I'd say stop allocating insane amounts of swap.
> >Frankly, with 2G you may run without swap at all.
> >
> >
> I'm not sure how you knew I had 2GB of swap. ;)
> I just always thought it was a good idea to have some just in case.
> I did not know having swap would actually, in some cases, degrade
> performance.
>
> Are you saying that, if I turn off swap, the amount of cache used will
> be the same, but that when other programs need more memory, the kernel
> will take it from cache? If so, I will try, since that would be
> an ideal solution.
And the -aa and rmap kernels do that with swap on too.
If you test them and they don't for your workload, please get back to the
list and let use know.
It is well known that the stock 2.4 VM is WAY behind -aa and rmap in terms
of reactiveness and correct choices.
next prev parent reply other threads:[~2003-08-19 18:42 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-19 4:39 cache limit Anthony R.
2003-08-19 4:57 ` Nuno Silva
2003-08-19 5:33 ` Denis Vlasenko
2003-08-19 6:20 ` Andrew Morton
2003-08-19 9:05 ` J.A. Magallon
2003-08-19 9:16 ` Andrew Morton
2003-08-19 9:28 ` J.A. Magallon
2003-08-19 9:43 ` Andrew Morton
2003-08-19 13:32 ` Erik Andersen
2003-08-19 20:56 ` Andrew Morton
2003-08-19 14:28 ` Anthony R.
2003-08-19 18:26 ` Mike Fedyk [this message]
2003-08-19 5:42 ` Nick Piggin
2003-08-21 0:49 ` Takao Indoh
2003-08-21 23:47 ` Mike Fedyk
2003-08-25 2:45 ` Takao Indoh
2003-08-25 4:11 ` William Lee Irwin III
2003-08-25 22:58 ` Mike Fedyk
2003-08-26 9:46 ` William Lee Irwin III
2003-08-27 9:36 ` Takao Indoh
2003-08-27 9:45 ` William Lee Irwin III
2003-08-27 11:14 ` Takao Indoh
2003-08-27 11:36 ` William Lee Irwin III
2003-09-02 10:52 ` Takao Indoh
2003-09-02 11:30 ` William Lee Irwin III
2003-09-02 17:21 ` Mike Fedyk
2003-08-27 16:01 ` Joseph Malicki
[not found] <m6Bv.3ys.1@gated-at.bofh.it>
[not found] ` <mLY8.dO.5@gated-at.bofh.it>
2003-08-21 9:52 ` Ihar 'Philips' Filipau
2003-08-25 7:17 ` Takao Indoh
[not found] <n7lV.2HA.19@gated-at.bofh.it>
[not found] ` <ofAJ.4dx.9@gated-at.bofh.it>
[not found] ` <ogZM.5KJ.1@gated-at.bofh.it>
[not found] ` <oyDw.5FP.33@gated-at.bofh.it>
2003-08-26 10:15 ` Ihar 'Philips' Filipau
2003-08-26 17:46 ` Mike Fedyk
[not found] <oJ5P.699.21@gated-at.bofh.it>
[not found] ` <oJ5P.699.23@gated-at.bofh.it>
[not found] ` <oJ5P.699.25@gated-at.bofh.it>
[not found] ` <oJ5P.699.27@gated-at.bofh.it>
[not found] ` <oJ5P.699.19@gated-at.bofh.it>
[not found] ` <oQh2.4bQ.13@gated-at.bofh.it>
2003-08-26 19:08 ` Ihar 'Philips' Filipau
2003-08-26 19:23 ` Mike Fedyk
2003-08-27 10:21 ` Ihar 'Philips' Filipau
2003-08-27 11:07 ` Nick Piggin
[not found] <000801c36cb1$454d4950$1001a8c0@etofmv650>
2003-08-27 16:02 ` YoshiyaETO
-- strict thread matches above, loose matches on Subject: below --
2003-08-27 16:03 Joseph Malicki
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030819182614.GC19465@matchmail.com \
--to=mfedyk@matchmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=russo.lutions@verizon.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox