From: Greg Banks <gnb@sgi.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Linux NFS ML <linux-nfs@vger.kernel.org>
Subject: Re: [patch 2/3] knfsd: avoid overloading the CPU scheduler with enormous load averages
Date: Mon, 16 Mar 2009 14:10:06 +1100 [thread overview]
Message-ID: <49BDC30E.7000508@sgi.com> (raw)
In-Reply-To: <20090315212112.GB27568@fieldses.org>
J. Bruce Fields wrote:
> On Thu, Feb 19, 2009 at 05:25:47PM +1100, Greg Banks wrote:
>
>> J. Bruce Fields wrote:
>>
>>> On Tue, Jan 13, 2009 at 09:26:35PM +1100, Greg Banks wrote:
>>>
>>> [...]
>>> It's a simple enough patch, but without any suggestion for how to retest
>>> on a more recent kernel, I'm uneasy.
>>>
>> [...]
>>
>> Does that make you less uneasy?
>>
>
> Yes, thanks!
>
> Queued up for 2.6.30, barring objections.
Thanks.
> But perhaps we should pass on
> the patch and your results to people who know the scheduler better and
> see if they can explain e.g. the loadavg numbers.
>
If you like. Personally I'm happy with assuming that it's because nfsd
is putting an unnaturally harsh load on the scheduler.
--
Greg Banks, P.Engineer, SGI Australian Software Group.
the brightly coloured sporks of revolution.
I don't speak for SGI.
next prev parent reply other threads:[~2009-03-16 3:05 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-13 10:26 [patch 0/3] First tranche of SGI Enhanced NFS patches Greg Banks
2009-01-13 10:26 ` [patch 1/3] knfsd: remove the nfsd thread busy histogram Greg Banks
2009-01-13 16:41 ` Chuck Lever
2009-01-13 22:50 ` Greg Banks
[not found] ` <496D1ACC.7070106-cP1dWloDopni96+mSzHFpQC/G2K4zDHf@public.gmane.org>
2009-02-11 21:59 ` J. Bruce Fields
2009-01-13 10:26 ` [patch 2/3] knfsd: avoid overloading the CPU scheduler with enormous load averages Greg Banks
2009-01-13 14:33 ` Peter Staubach
2009-01-13 22:15 ` Greg Banks
[not found] ` <496D1294.1060407-cP1dWloDopni96+mSzHFpQC/G2K4zDHf@public.gmane.org>
2009-01-13 22:35 ` Peter Staubach
2009-01-13 23:04 ` Greg Banks
2009-02-11 23:10 ` J. Bruce Fields
2009-02-19 6:25 ` Greg Banks
2009-03-15 21:21 ` J. Bruce Fields
2009-03-16 3:10 ` Greg Banks [this message]
2009-01-13 10:26 ` [patch 3/3] knfsd: add file to export stats about nfsd pools Greg Banks
2009-02-12 17:11 ` J. Bruce Fields
2009-02-13 1:53 ` Kevin Constantine
2009-02-19 7:04 ` Greg Banks
2009-02-19 6:42 ` Greg Banks
2009-03-15 21:25 ` J. Bruce Fields
2009-03-16 3:21 ` Greg Banks
2009-03-16 13:37 ` J. Bruce Fields
2009-02-09 5:24 ` [patch 0/3] First tranche of SGI Enhanced NFS patches Greg Banks
2009-02-09 20:47 ` J. Bruce Fields
2009-02-09 23:26 ` Greg Banks
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=49BDC30E.7000508@sgi.com \
--to=gnb@sgi.com \
--cc=bfields@fieldses.org \
--cc=linux-nfs@vger.kernel.org \
/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