Date: Wed, 29 Sep 2004 16:01:18 -0700 From: Kris Kennaway <kris@obsecurity.org> To: TM4525@aol.com Cc: freebsd-questions@freebsd.org Subject: Re: Freebsd 5.2.1 Performance Woes Message-ID: <20040929230118.GA43201@xor.obsecurity.org> In-Reply-To: <fa.2e69790.2e8c8879@aol.com> References: <fa.2e69790.2e8c8879@aol.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 29, 2004 at 05:51:53PM -0400, TM4525@aol.com wrote: > While I was had a nice little test set up, I figured I'd test Freebsd 4.9= =20 > against 5.2.1 since I had fresh installs handy on separate drives. > The simple test was as follows: >=20 > Hardware: >=20 > Celeron 2.4Ghz processor > Dual onboard Intel (em) NICs, 32bit, 33Mhz bus >=20 > Setup: >=20 > Traffic Generator -> FreeBSD System -> Server >=20 > I had it set up to route between the 2 interfaces (ie NOT bridged). I > fired a unidirectional stream of UDP packets (so there was no return traf= fic > from the server, which was discarding the packets) at a rate of ~100Kpps.= =20 > The disturbing results: >=20 > FreeBSD 4.9: 33% interrupt usage > FreeBSD 5.2.1: >80% interrupt usage >=20 > What has happened to the stack?=20 See the Early Adopter's Guide that was distributed with 5.2.1, or just don't worry about it and update to 5.3 which has vastly better network performance. Kris --mYCpIKhGyMATD0i+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBWz6+Wry0BWjoQKURAmf/AJ9LvY0r7TiXCUWhl8PoQGLd2TH9HQCfZ9T+ +fTQv+EVLDmVQtqOqTTha5w= =Sa8H -----END PGP SIGNATURE----- --mYCpIKhGyMATD0i+--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040929230118.GA43201>