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From: Andreas Dilger <adilger@turbolabs.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: Steve Lord <lord@sgi.com>, Ben Israel <ben@genesis-one.com>,
	linux-kernel@vger.kernel.org,
	"Peter J . Braam" <braam@clusterfilesystem.COM>
Subject: Re: File System Performance
Date: Mon, 12 Nov 2001 17:17:05 -0700	[thread overview]
Message-ID: <20011112171705.Z1778@lynx.no> (raw)
In-Reply-To: <3BF02702.34C21E75@zip.com.au>, <00b201c16b81$9d7aaba0$5101a8c0@pbc.adelphia.net> <3BEFF9D1.3CC01AB3@zip.com.au> <00da01c16ba2$96aeda00$5101a8c0@pbc.adelphia.net> <3BF02702.34C21E75@zip.com.au> <1005595583.13307.5.camel@jen.americas.sgi.com> <3BF03402.87D44589@zip.com.au>
In-Reply-To: <3BF03402.87D44589@zip.com.au>; from akpm@zip.com.au on Mon, Nov 12, 2001 at 12:41:38PM -0800

On Nov 12, 2001  12:41 -0800, Andrew Morton wrote:
> BTW, I've been trying to hunt down a suitable file system aging tool.
> We're not very happy with Keith Smith's workload because the directory
> infomation was lost (he was purely studying FFS algorithmic differences
> - the load isn't 100% suitable for testing other filesystems / algorithms).
>   Constantin Loizides' tools are proving to be rather complex to compile,
>   drive and understand.

What _may_ be a very interesting tool for doing "real-world" I/O generation
is to use the InterMezzo KML (kernel modification log), which is basically
a 100% record of every filesystem operation done (e.g. create, write,
delete, mkdir, rmdir, etc).

Peter, do you have any very large KML files which would simulate the usage
of a filesystem over a long period of time, or would Tacitus have something
like that?

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/


  reply	other threads:[~2001-11-13  0:19 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-12 13:54 Ben Israel
2001-11-12 16:33 ` Andrew Morton
2001-11-12 17:50   ` Ben Israel
2001-11-12 19:46     ` Andrew Morton
2001-11-12 19:59     ` Richard Gooch
2001-11-12 23:07       ` Mike Fedyk
2001-11-13  0:04       ` Richard Gooch
2001-11-13  0:08         ` Mike Fedyk
2001-11-13  0:26         ` Richard Gooch
2001-11-13  0:47           ` Mike Castle
2001-11-13  1:28           ` Mike Fedyk
2001-11-13  6:34           ` Richard Gooch
2001-11-13 20:56             ` Andreas Dilger
2001-11-13  7:45         ` Andreas Dilger
2001-11-12 20:06     ` Steve Lord
2001-11-12 20:41       ` Andrew Morton
2001-11-13  0:17         ` Andreas Dilger [this message]
2001-11-13  0:40           ` Peter J . Braam
2001-11-13 20:46             ` Andreas Dilger
2001-11-16 22:07               ` Peter J . Braam
2001-11-16 23:14                 ` Mike Fedyk
2001-11-12 21:27       ` Steve Lord
2001-11-12 21:43         ` Andrew Morton
2001-11-12 21:48           ` Linus Torvalds
2001-11-12 22:11             ` Lionel Bouton
2001-11-12 19:41               ` Gérard Roudier
2001-11-12 22:14               ` Linus Torvalds
2001-11-12 22:30                 ` Ragnar Kjørstad
2001-11-12 22:36                 ` Andrew Morton
2001-11-12 23:04                   ` Mike Castle
2001-11-13  9:56                     ` Peter Wächtler
2001-11-13  9:41                 ` Henning P. Schmiedehausen
2001-11-12 22:16             ` Andrew Morton
2001-11-12 22:32               ` Lionel Bouton
2001-11-12 22:45                 ` Alan Cox
2001-11-12 22:39               ` Alan Cox
2001-11-12 22:39                 ` Xavier Bestel
2001-11-12 22:46               ` Mike Castle
2001-11-12 22:26             ` Steve Lord
2001-11-12 21:45         ` Steve Lord
2001-11-12 21:53         ` Lionel Bouton
2001-11-12 16:40 ` Ben Israel
2001-11-12 17:29 ` Andrew Morton
2001-11-12 22:36 Grant Erickson

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