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Date: Thu, 9 Mar 2006 12:36:37 -0500
From: Kris Kennaway <kris@obsecurity.org>
To: Eric D'HEM <ericd@free.fr>
Message-ID: <20060309173637.GA92420@xor.obsecurity.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Low perf of i386 6.0 on dell poweredge 1850 bi-Xeon 2.8ghz
	DualCore
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On Thu, Mar 09, 2006 at 04:19:15PM +0100, Eric D'HEM wrote:
> Mail NETvigieHi,
>=20
> I buy a new DELL PowerEdge 1850 with Bi-Xeon 2.8GHZ/2*2MB Dual Core 800FS=
B=20
> processor, 2Go DDR2 RAM, PERC4di RAID controller with 2 SCSI U320 15.000t=
pm=20
> 36Go hdd on RAID1.
>=20
> I install on it Freebsd 6.0, apache 2.2.0 and mysql 4.1.18 and compare=20
> performance with :
>=20
> OLD PowerEDge with only simple Bi-Xeon 3.0 GHZ and freebsd 4.11.
>=20
> Result is that web and local databases query are +- 4 times slower with=
=20
> freebsd 6.0 and dual-core.
>=20
> I try with and without smp and  threaded kernel and results are same.
> I came back to Generic kernel to see if it come from my kernel=20
> configuration but result was same.

Try using libthr instead of libpthread (i.e. use /etc/libmap.conf to remap =
it).

Kris

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