Date: Sun, 13 Jun 2004 21:13:15 +0300 From: Ruslan Ermilov <ru@FreeBSD.org> To: Jon Noack <noackjr@alumni.rice.edu> Cc: luigi@iet.unipi.it Subject: Re: Device polling Message-ID: <20040613181315.GB54104@ip.net.ua> In-Reply-To: <40CC97E0.5010003@alumni.rice.edu> References: <Pine.BSF.4.58L0.0406110957020.49590@crimp.gluerecord.net> <40CC97E0.5010003@alumni.rice.edu>
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--DBIVS5p969aUjpLe Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jun 13, 2004 at 01:07:28PM -0500, Jon Noack wrote: [...] > I just tested this on my SMP all-in-one home server (Web, Mail, NFS,=20 > Samba, Squid, etc.). It's been up for over 24 hours with no apparent=20 > issues. The machine is used pretty heavily, with NFS mounted home=20 > directories and CVS mirror (see below) -- a CVS update of the src tree=20 > over NFS has done a good job of breaking fragile setups in the past.=20 > Everything seemed OK. That said, peak performance (as tested by iperf)= =20 > took a nosedive: with 32-bit em adapters (gige), tcp bandwidth dropped=20 > from over 360Mbps to around 200 Mbps. If anyone has any suggestions for= =20 > more in-depth testing, I'd be willing to try them. If I have the time I= =20 > may also try the latest netperf patch and see how that affects things. >=20 What are your operational polling(4) parameters? What the HZ is set to? Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --DBIVS5p969aUjpLe Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAzJk7qRfpzJluFF4RAnR+AJ9sQ7tMb1EOpv5Gg5M/Xp+DeLlRfQCcD1GB 8dT8ZDdvsp+MEE4OHddjJhk= =16Xf -----END PGP SIGNATURE----- --DBIVS5p969aUjpLe--
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