From: Alan McKinnon <alan.mckinnon@gmail.com>
To: gentoo-user@lists.gentoo.org
Cc: Florian Philipp <lists@f_philipp.fastmail.net>
Subject: Re: [gentoo-user] Re: Shared libraries in Gentoo
Date: Fri, 10 Sep 2010 21:02:48 +0200 [thread overview]
Message-ID: <201009102102.49137.alan.mckinnon@gmail.com> (raw)
In-Reply-To: <4C8A6034.2040908@f_philipp.fastmail.net>
Apparently, though unproven, at 18:43 on Friday 10 September 2010, Florian
Philipp did opine thusly:
> Am 10.09.2010 01:49, schrieb Enrico Weigelt:
> > * Alan McKinnon <alan.mckinnon@gmail.com> wrote:
> >>> But I'd really like to know what produces the performance hits
> >>> on Posfix @ Linux.
> >>
> >> It comes down to the IO scheduler. Linux is designed to be general
> >> purpose. FreeBSD is designed to be much more specific.
> >
> > hmm, Linux provides several io schedulers - does choosing another
> > one help here ?
>
> And if it's so good for certain workloads, why hasn't FreeBSD's
> scheduler been ported to Linux? Or is the whole software stack (block
> devices etc.) so completely different that it wouldn't work?
I don't have an answer for that - just some observations that are quite old
and maybe not even valid anymore.
Either way, I have mail relays that pump 3,000,000 mails each per day and have
done so flawlessly for years. I'm not about to risk that to see if I can find
another 0.x% performance gain :-)
--
alan dot mckinnon at gmail dot com
next prev parent reply other threads:[~2010-09-10 19:03 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-06 18:28 [gentoo-user] Shared libraries in Gentoo Al
2010-09-06 20:30 ` [gentoo-user] " Nikos Chantziaras
2010-09-06 21:24 ` Al
2010-09-06 21:38 ` Al
2010-09-06 22:49 ` Nikos Chantziaras
2010-09-07 1:00 ` Al
2010-09-09 3:11 ` Enrico Weigelt
2010-09-06 22:43 ` walt
2010-09-07 0:39 ` Al
2010-09-07 3:47 ` Ajai Khattri
2010-09-07 9:33 ` Al
2010-09-07 16:13 ` Ajai Khattri
2010-09-07 16:40 ` Alan McKinnon
2010-09-07 18:15 ` Al
2010-09-07 21:20 ` Alan McKinnon
2010-09-07 23:51 ` Al
2010-09-08 16:07 ` Al
2010-09-09 2:36 ` Enrico Weigelt
2010-09-09 8:55 ` Al
2010-09-10 1:00 ` Enrico Weigelt
2010-09-09 10:28 ` Al
2010-09-09 11:12 ` [gentoo-user] " Andrea Conti
2010-09-09 12:28 ` Al
2010-09-10 0:40 ` Enrico Weigelt
2010-09-10 0:38 ` [gentoo-user] " Enrico Weigelt
2010-09-09 0:56 ` Enrico Weigelt
2010-09-09 8:56 ` Alan McKinnon
2010-09-09 11:50 ` Al
2010-09-09 12:25 ` Alan McKinnon
2010-09-09 13:20 ` Al
2010-09-09 13:54 ` Alan McKinnon
2010-09-09 15:12 ` Neil Bothwick
2010-09-09 15:26 ` Alan McKinnon
2010-09-09 16:28 ` Neil Bothwick
2010-09-09 21:03 ` Graham Murray
2010-09-09 23:49 ` Enrico Weigelt
2010-09-10 16:43 ` Florian Philipp
2010-09-10 19:02 ` Alan McKinnon [this message]
2010-09-10 23:25 ` walt
2010-09-09 2:52 ` Enrico Weigelt
2010-09-09 15:02 ` Al
2010-09-10 0:19 ` Enrico Weigelt
2010-09-10 12:27 ` Al
2010-09-12 21:30 ` Enrico Weigelt
2010-09-12 22:47 ` Al
2010-09-13 1:11 ` Enrico Weigelt
2010-09-07 19:12 ` Al
2010-09-08 19:29 ` Al
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