<4> post_create: setxatter failed

Arjan van de Ven arjanv at redhat.com
Mon May 23 07:04:00 UTC 2005


On Sun, 2005-05-22 at 23:50 -0700, Dan Hollis wrote:
> On Mon, 23 May 2005, Arjan van de Ven wrote:
> > "linux jfs" isn't documented afaik.
> > 
> > The simple situation is that ext3 is basically all we really support and
> > test, the rest may or may not work. Is there a reason you want to use JFS ?
> > (ext3 in fc3/fc4 is pretty competative with any of the other filesystems on
> > just about every workload performance wise... the benchmarks I've seen from
> > others hardly ever put JFS on top for anything nowadays so JFS strikes me as
> > a bit of an odd choice)
> 
> xfs and reiserfs are _huge_ wins over ext3 for news servers.

1) Did you try this on 2.4 or 2.6? 2.6 ext3 (with htree and
reservations) is like a 3x improvement over the 2.4 ext3 in many
workloads and is sometimes even slightly better than reiserfs in the
"milions of files in a directory" scenario.

2) Did you set the ext3 journalling mode to be on par with reiserfs/xfs?
(By default ext3 uses a more strict journalling mode to increase data
integrity but that costs some performance vs reiserfs and xfs that don't
have this extra protection)


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