Re: Benchmark (Phoronix): FreeBSD 9.0-RC2 vs. Oracle Linux 6.1 Server

From: Chiron IO <io.chir0n_at_gmail.com>
Date: Tue, 20 Dec 2011 09:28:47 -0200
Guys,

I have a question about these benchmarks.

Why worry about that if the CURRENT comes with debug enabled by default?

http://joaobarros.blogspot.com/2005/07/freebsd-how-to-turn-off-debug-options.html




On 19/12/2011, at 22:28, Petro Rossini wrote:

> Hi all,
> 
> just a thought here:
> 
> On Tue, Dec 20, 2011 at 12:45 AM, Daniel Kalchev <daniel_at_digsys.bg> wrote:
>>> As were told, Phoronix used "default" setup, not tuned.
>> Not really. They created some weird test environment, at least for FreeBSD
>> -- who knows, possibly for Linux as well.
>> 
>> For example, ZFS is by no means a default file system in FreeBSD. You need
>> to go trough manual steps, to enable it, to build the pool, filesystems etc.
> 
> ..
> 
> Of course the benchmark setup and procedure is strange but..
> 
> it could be improved, I think.
> 
> Have a good collection of tuning parameters for "popular cases",
> advertised properly so it gets hard "to miss them".
> 
> I am a sysadmin and, over the years, I had to run file servers,
> database servers, web servers, tomcats...
> 
> Well, most of the time I set it up and "it just works" because the
> system in question is not maxed out, not even close to it.
> 
> But if I want to squeeze the last 20% out of it googling starts, and
> here and there I find hints how to tune the OS, the file system, what
> scheduler to use etc.
> 
> It would be great to have a set of case studies at hand, e.g. under
> the /usr/share/examples directory, that describes tweaks to have a
> performing postgresql server, or mysql, or apache or a desktop or..
> 
> Things I find, for example, in the BSD Magazine.
> 
> Maybe benchmarks become more meaningful then..
> 
> A general remark for people doing benchmarks for comparison: you need
> a well-informed system engineer for the systems you compare. So, if
> you compare a Linux system with  FreeBSD, have two experienced admins
> that know their OS well.
> 
> Regards
> Peter
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Received on Tue Dec 20 2011 - 10:50:44 UTC

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