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From: Mike Fedyk <mfedyk@matchmail.com>
To: Alex Tomas <bzzz@tmi.comex.ru>
Cc: linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net
Subject: Re: [Ext2-devel] [RFC] extents support for EXT3
Date: Thu, 28 Aug 2003 10:22:14 -0700	[thread overview]
Message-ID: <20030828172214.GC21352@matchmail.com> (raw)
In-Reply-To: <m33cfm19ar.fsf@bzzz.home.net>

On Thu, Aug 28, 2003 at 12:22:04PM +0400, Alex Tomas wrote:
> 
> this is 2nd version of the patch. changes:
>   - error handling seems completed
>   - lots of cleanups and comments
>   - few minor bug fixed
> 
> this version of the patch tries to solve couple
> of corner cases:
>   - very long truncate
>   - rewrite 
> 
> it survived dbench, bonnie++ and fsx tests.
> 
> take a look at numbers I've just got, please.
> 
>                       before      after
> 5GB file, creation:   2m31.197s   2m21.933s
> 5GB file, read:       2m25.439s   2m24.833s
> 5GB file, rewrite:    2m48.434s   2m20.958s
> 5GB file, removal:    0m8.760s    0m0.858s

With extents, what are the worst/best cases for max file size on a 1k block
filesystem?  AFAICT, worst case is 16GB if it backs out to the second level
like we have now...

  reply	other threads:[~2003-08-28 17:22 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-28  8:22 [RFC] extents support for EXT3 Alex Tomas
2003-08-28 17:22 ` Mike Fedyk [this message]
2003-08-29  5:55   ` [Ext2-devel] " Alex Tomas
2003-08-28 18:12 ` Ed Sweetman
2003-08-29  5:59   ` Alex Tomas
2003-08-29 15:28     ` Ed Sweetman
2003-08-29 15:38       ` Alex Tomas
2003-08-29 15:52         ` Ed Sweetman
2003-08-29 16:10           ` Alex Tomas
2003-08-29 16:16             ` Alex Tomas
2003-08-29 16:20             ` Ed Sweetman
2003-08-29 16:34               ` Alex Tomas
2003-08-29 17:49                 ` Ed Sweetman
2003-08-29 18:09                   ` Alex Tomas
2003-08-29 19:55                     ` Ed Sweetman
2003-08-29 21:39                       ` [Ext2-devel] " Mike Fedyk
2003-08-29 22:25                         ` Ed Sweetman
2003-08-29 23:17                           ` Mike Fedyk
2003-08-31 20:25                             ` Eric W. Biederman
2003-08-31 20:37                               ` Alex Tomas
2003-09-05 10:06                               ` Pavel Machek
2003-09-05 14:55                                 ` Eric W. Biederman
2003-08-30  9:09                       ` Alex Tomas
2003-08-30  8:55                   ` Alex Tomas
2003-08-30 10:13                   ` Alex Tomas
2003-08-28 22:00 ` Ramón Rey Vicente󮠒
2003-08-29  6:04   ` Alex Tomas
2003-08-29  9:55     ` Ramón Rey Vicente󮠒
2003-09-06  0:19 ` jw schultz
2003-09-06  6:09   ` Alex Tomas

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