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X-Comment-To: Alex Tomas
Cc: Ed Sweetman <ed.sweetman@wmich.edu>, linux-kernel@vger.kernel.org,
       ext2-devel@lists.sourceforge.net
Subject: Re: [RFC] extents support for EXT3
From: Alex Tomas <bzzz@tmi.comex.ru>
To: linux-kernel@vger.kernel.org
Organization: HOME
Date: Fri, 29 Aug 2003 20:16:31 +0400
In-Reply-To: <m3r834phqi.fsf@bzzz.home.net> (Alex Tomas's message of "Fri,
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I forgot the most important thing - I need vmstat output for all runs
to anylize performing

>>>>> Alex Tomas (AT) writes:

 AT> quite interesting result. could you help me to investigate that?
 AT> it would be great to go through following steps:
 AT> 1) create fresh ext3 fs
 AT> 2) mount it w/o extents option
 AT> 3) run dbench 16 for few times (say, 4)
 AT>    make sure it performs on that filesystem (cd <mntpoint>; dbench -c ... 16)
 AT> 4) unmount fs
 AT> 5) recreate that fs
 AT> 6) mount it with extents option
 AT>    'EXT3-fs: file extents enabled' should be printed in logs
 AT> 7) run dbench 16 for few times
 AT> 8) unmount that fs and take a look in logs, you should see stats info about
 AT>    extents usage


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