On Thu, 3 Oct 2002, Shridhar Daithankar wrote:
> Well, we were comparing ext3 v/s reiserfs. I don't remember the journalling
> mode of ext3 but we did a 10 GB write test. Besides converting the RAID to RAID-
> 0 from RAID-5 might have something to do about it.
That will have a massive, massive effect on performance. Depending on
your RAID subsystem, you can except RAID-0 to be between two and twenty
times as fast for writes as RAID-5.
If you compared one filesystem on RAID-5 and another on RAID-0,
your results are likely not at all indicative of file system
performance.
Note that I've redirected followups to the pgsql-performance list.
Avoiding cross-posting would be nice, since I am getting lots of
duplicate messages these days.
cjs
--
Curt Sampson <cjs@cynic.net> +81 90 7737 2974 http://www.netbsd.org
Don't you know, in this new Dark Age, we're all light. --XTC
