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

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-optio=
ns.html

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

> Hi all,
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> just a thought here:
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> On Tue, Dec 20, 2011 at 12:45 AM, Daniel Kalchev <daniel@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.
>>=20
>> 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.
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> ..
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> Of course the benchmark setup and procedure is strange but..
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> it could be improved, I think.
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> Have a good collection of tuning parameters for "popular cases",
> advertised properly so it gets hard "to miss them".
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> I am a sysadmin and, over the years, I had to run file servers,
> database servers, web servers, tomcats...
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> 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.
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> 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.
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> 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..
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> Things I find, for example, in the BSD Magazine.
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> Maybe benchmarks become more meaningful then..
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> 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.
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> Regards
> Peter
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