On Sun, Sep 05, 2004 at 12:16:42AM -0500, Steve Bergman wrote:
> On Sat, 2004-09-04 at 23:47 -0400, Christopher Browne wrote:
> > The world rejoiced as merlin.moncure@rcsonline.com ("Merlin Moncure") wrote:
> > > Ok, you were right. I made some tests and NTFS is just not very
> > > good in the general case. I've seen some benchmarks for Reiser4
> > > that are just amazing.
> >
> > Reiser4 has been sounding real interesting.
> >
>
> Are these independent benchmarks, or the benchmarketing at namesys.com?
> Note that the APPEND, MODIFY, and OVERWRITE phases have been turned off
> on the mongo tests and the other tests have been set to a lexical (non
> default for mongo) mode. I've done some mongo benchmarking myself and
> reiser4 loses to ext3 (data=ordered) in the excluded tests. APPEND
> phase performance is absolutely *horrible*. So they just turned off the
> phases in which reiser4 lost and published the remaining results as
> proof that "resier4 is the fastest filesystem".
>
> See: http://marc.theaimsgroup.com/?l=reiserfs&m=109363302000856
>
>
> -Steve Bergman
>
>
>
Reiser4 also isn't optmized for lots of fsyncs (unless it's been done
recently.) I believe the mention fsync performance in their release
notes. I've seen this dramatically hurt performance with our OLTP
workload.
--
Mark Wong - - markw@osdl.org
Open Source Development Lab Inc - A non-profit corporation
12725 SW Millikan Way - Suite 400 - Beaverton, OR 97005
(503) 626-2455 x 32 (office)
(503) 626-2436 (fax)
http://developer.osdl.org/markw/
