Performance 4.x vs. 6.x (was: e: [fbsd] HEADS UP: FreeBSD 5.3,
5.4, 6.0 EoLs coming soon)
danial_thom at yahoo.com
Thu Oct 12 07:21:05 PDT 2006
--- Alexander Leidinger <Alexander at Leidinger.net>
> Quoting Dan Lukes <dan at obluda.cz> (from Thu, 12
> Oct 2006 09:43:20 +0200):
> [moved from security@ to performance@]
> > The main problem is - 6.x is still not
> competitive replacement for
> > 4.x. I'm NOT speaking about old unsupported
> hardware - I speaked about
> > performance in some situation and believe in
> it's stability.
> You can't be sure that a committer has the
> resources to setup an
> environment where he is able to reproduce your
> performance problems.
> You on the other hand have hands-on experience
> with the performance
> problem. If you are able to setup a -current
> system (because there are
> changes which may affect performance already,
> and it is the place
> where the nuw stuff will be developt) which
> exposes the bad behavior,
> you could make yourself familiar with the pmc
> (http://wiki.freebsd.org/PmcTools, I'm sure
> jkoshy@ will help if you
> have questions) and point out the bottlenecks
> on current@ and/or
> performance@ (something similar happened for
> MySQL, and now we have a
> webpage in the wiki about it). Without such
> reports, we can't handle
> the issue.
> Further discussion about this should happen in
> performance@ or current at ...
Maybe its just time for the entire FreeBSD team
to come out of its world of delusion and come to
terms with what every real-life user of FreeBSD
knows: In how ever many years of development,
there is still no good reason to use anything
other than FreeBSD 4.x except that 4.x doesn't
support a lot of newer harder. There is no
performance advantage in real world applications
with multiple processors, and the performance is
far worse with 1 processor.
The right thing to do is to port the SATA support
and new NIC support back to 4.x and support both.
4.x is far superior on a Uniprocessor system and
FreeBSD-5+ may be an entire re-write away from
ever being any good at MP. Come to terms with it,
PLEASE, because it is the case and saying
otherwise won't change it.
My prediction is that a year from now we'll all
be using DragonflyBSD and you guys will be
looking for a new bunch of beta-test guinea pigs.
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