public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Eric Sandeen <sandeen@sandeen.net>
To: "Igor A. Valcov" <viaprog@gmail.com>
Cc: linux-kernel@vger.kernel.org, xfs@oss.sgi.com
Subject: Re: XFS filesystem performance drop in kernels 2.6.16+
Date: Fri, 10 Nov 2006 11:14:22 -0600	[thread overview]
Message-ID: <4554B36E.9030006@sandeen.net> (raw)
In-Reply-To: <bde600590611100516u7b8ca1bfs74d3cc8b78eb3520@mail.gmail.com>

Igor A. Valcov wrote:
> Below is a simplified version of the test program, and results of
> testing different kernels/filesystems/mount options. The results are a
> little different from the ones described in the initial post (this
> time performance decreased "only" 2 times), but the general tendency
> is clearly the same.

I imagine that I know the answer, but to be sure you might put some time
checks into your test app to see -which- portion of the test is taking
the bulk of the time.

-Eric

  parent reply	other threads:[~2006-11-10 17:14 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-09 17:30 XFS filesystem performance drop in kernels 2.6.16+ Igor A. Valcov
2006-11-09 17:44 ` Eric Sandeen
2006-11-09 18:08 ` Russell Cattelan
2006-11-10  1:10   ` David Chinner
2006-11-10  3:36 ` Eric Sandeen
2006-11-10 11:59   ` Jan Engelhardt
2006-11-10 13:16     ` Igor A. Valcov
2006-11-10 14:44       ` Igor A. Valcov
2006-11-10 17:14       ` Eric Sandeen [this message]
2006-11-11  6:52       ` Andrew Morton
2006-11-11 10:55         ` Jan Engelhardt
2006-11-13 20:05 ` Tom Vier

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=4554B36E.9030006@sandeen.net \
    --to=sandeen@sandeen.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=viaprog@gmail.com \
    --cc=xfs@oss.sgi.com \
    /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