Date: Sat, 10 May 2008 09:32:31 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: DAve <dave.list@pixelhammer.com>, 'User Questions' <freebsd-questions@freebsd.org> Subject: Re: FBSD 6.2 Xeon 2.4ghz CPU and high load Message-ID: <48255D9F.50003@infracaninophile.co.uk> In-Reply-To: <20080510094220.T58841@wojtek.tensor.gdynia.pl> References: <482473B7.7070707@pixelhammer.com> <48248AC9.5060507@infracaninophile.co.uk> <20080509202941.J53368@wojtek.tensor.gdynia.pl> <4824CEE7.6070605@infracaninophile.co.uk> <20080510090439.U58698@wojtek.tensor.gdynia.pl> <48254EAB.3030103@infracaninophile.co.uk> <20080510094220.T58841@wojtek.tensor.gdynia.pl>
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Wojciech Puchar wrote:
>>> but just run 100 different things and check how responsive machine is=
=2E
>>
>> My experience is of dealing with servers where each machine typically =
has
>> a small number of important applications -- frequently only /one/=20
>> application
>=20
> so why you need unix at all? :)
At the risk of belabouring the obvious:
i) I like the price. Free.
ii) I like the operating environment -- CLIs aren't to everyone's taste=
,
but I find they give me the freedom to do what I want without havin=
g
to jump through a whole lot of hoops.
iii) I like the efficiency of the OS -- you get that much more performan=
ce
out of every machine it's like having additional servers for free. =
=20
> try as simple and stupid thing under load
>=20
> cat /dev/zero >somefile (on big partition)
>=20
> on 6.* and 7.* and compare both cases.
>=20
> :)
I thought you were pillorying synthetic benchmarks upthread? Filling up
a partition with a file of zeros is pretty unlikely as a real-world task.=
I wouldn't be too disappointed if that didn't run as fast as it possibly
could, although I would be distinctly peeved if doing that on a loaded
server took up more of the system resources than it had any right or
justification to do, to the detriment of anything else running on that
machine.
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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