FreeBSD 5.3 I/O Performance / Linux 2.6.10 | Continued
Discussion
Arne Wörner
arne_woerner at yahoo.com
Tue Jan 25 12:19:47 PST 2005
I did some tests with
1. Knoppix V3.7 2004-12-08 (kernel version 2.4.27)
and
2. FreeBSD R5.3.
I used the same harddisc slice for the tests (just the *ad1.sh
scripts uses another slice, because I was curious; I do not know
the results). hw.ata.wc was enabled.
My findings are:
1. Linux is much faster with "async" mount (somebody in this
thread already mentioned that yesterday).
2. FreeBSD with soft updates is much faster than Linux with sync
mount.
See
http://home.tiscali.de/cmdr_faako/
for further details (until 2005-01-27 00:00 Zulu Time (GMT+00)).
Further research is necessary, if I wanted to find out, what
async/sync mount means (especially in the case of enabled write
cache?), or why async mount is much faster...
-Arne
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