From: Oleg Drokin <green@namesys.com>
To: Hendrik Visage <hvisage@envisage.co.za>
Cc: Hans Reiser <reiser@namesys.com>, ReiserFS <reiserfs-list@namesys.com>
Subject: Re: what do you do that stresses your filesystem?
Date: Mon, 23 Dec 2002 17:18:48 +0300 [thread overview]
Message-ID: <20021223171848.A808@namesys.com> (raw)
In-Reply-To: <20021223123718.GE13460@hvs.envisage.co.za>
Hello!
On Mon, Dec 23, 2002 at 02:37:18PM +0200, Hendrik Visage wrote:
> > > > >>Another slowness (especially with reiserfs3 without the notails option)
> > > > >>is "dd if=/dev/zero of=/swapfile bs=1k count=1024k"
> > > > >Well, I'd say that artrifical limiting of amount of data to be transferred
> > > > >is a cheating ;).
> > > Well... It's not that people needs unlimited swapspace ;^)
> > I mean limiting of blocksize.
> The only reason for the bs= option is to have a defined size for the
> swapfile, ie. bs*count=swapsize. I could've changed the line to
> "dd if=/dev/zero of=/swapfile bs=1024k count=1k"
My measurement show that I save 2+ seconds of system time by doing this.
Should be even more of savings after reiserfs_file_write() will be accepted
into main kernel. Almost no effect on real time for me, though. (~30 sec)
Bye,
Oleg
next prev parent reply other threads:[~2002-12-23 14:18 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-23 11:28 what do you do that stresses your filesystem? Hans Reiser
2002-12-23 11:37 ` Anders Widman
2002-12-23 11:45 ` Hans Reiser
2002-12-23 12:36 ` Ed Tomlinson
2002-12-24 9:22 ` Hans Reiser
2002-12-23 22:02 ` Dieter Nützel
2002-12-23 11:49 ` new reiserfs4 snapshots? Ookhoi
2002-12-23 12:03 ` what do you do that stresses your filesystem? Hendrik Visage
2002-12-23 12:10 ` Oleg Drokin
2002-12-23 12:12 ` Hans Reiser
2002-12-23 12:21 ` Hendrik Visage
2002-12-23 12:26 ` Oleg Drokin
2002-12-23 12:37 ` Hendrik Visage
2002-12-23 14:18 ` Oleg Drokin [this message]
2002-12-23 14:37 ` Eric Whiting
2002-12-23 13:21 ` Russell Coker
2002-12-23 16:00 ` Alexander G. M. Smith
2002-12-24 9:26 ` Hans Reiser
2002-12-24 10:15 ` Ookhoi
2002-12-24 10:19 ` Oleg Drokin
2002-12-24 10:26 ` Ookhoi
2002-12-24 11:57 ` Hans Reiser
2002-12-24 12:41 ` Russell Coker
2002-12-23 14:44 ` bscott
2002-12-23 15:56 ` Ross Vandegrift
2002-12-23 20:12 ` Russell Coker
2002-12-23 16:33 ` Chris Haynes
2002-12-24 9:36 ` Hans Reiser
2003-01-06 15:14 ` Chris Mason
2002-12-23 18:54 ` Matthew Johnson
2002-12-23 21:04 ` Manuel Krause
2002-12-23 21:14 ` Andrew Clausen
2002-12-28 5:27 ` Brian Tinsley
2003-01-05 8:17 ` Hans Reiser
2003-01-05 11:49 ` Legato (was: " Hendrik Visage
2003-01-05 17:00 ` Brian Tinsley
2003-01-06 7:00 ` Hans Reiser
2003-01-05 16:51 ` Brian Tinsley
2003-01-06 7:10 ` Hans Reiser
2003-01-05 15:01 ` Philipp Gühring
2003-01-11 15:25 ` Zygo Blaxell
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=20021223171848.A808@namesys.com \
--to=green@namesys.com \
--cc=hvisage@envisage.co.za \
--cc=reiser@namesys.com \
--cc=reiserfs-list@namesys.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.