[lkml]   [2001]   [Nov]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Numbers: ext2/ext3/reiser Performance (ext3 is slow)
In article <> you wrote:

> Hello !

> Anyone has an idea, why this ext3 "fails" at this specific test while on
> normal fs-benchmarks it is much better ?

ext3 by default imposes stricter ordering than the other journalling
filesystems in order to improve _data_ consistency (as opposed to just
the guarantee of consistent metadata as most other filesystems do).
if you mount the filesystem with

mount -t ext3 -o data=writeback /dev/foo /mnt/bar

will make it use the same level of guarantee as reiserfs does.

mount -t ext3 -o data=journal /dev/foo /mnt/bar

will do FULL data journalling and will also guarantee data integrety after a

Arjan van de Ven
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:13    [W:0.096 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site