From owner-freebsd-net Mon Feb 25 0:43:41 2002 Delivered-To: freebsd-net@freebsd.org Received: from overlord.e-gerbil.net (e-gerbil.net [207.91.110.247]) by hub.freebsd.org (Postfix) with ESMTP id 1055337B417 for ; Mon, 25 Feb 2002 00:43:37 -0800 (PST) Received: by overlord.e-gerbil.net (Postfix, from userid 1001) id E75CCE5008; Sun, 24 Feb 2002 04:50:15 -0500 (EST) Date: Sun, 24 Feb 2002 04:50:15 -0500 From: Richard A Steenbergen To: freebsd-net@freebsd.org Subject: HZ=1000 and NFS Message-ID: <20020224095015.GJ413@overlord.e-gerbil.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.27i Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Is anyone aware of problems with HZ=1000 and NFS? I was playing around with Luigi's device polling and had no problems (and significant performance improvement under heavy network load), except for one server doing NFS. After playing around with it for a bit I found that it worked perfectly if I did not set HZ=1000. I had a problem with HZ=1000 and NFS once before when playing with ALTQ, but never persued it. The problem I'm experiencing now is a complete system lockup, no panic or crashing or informative errors of any kind. The cursor still blinks but everything else is totally frozen. -- Richard A Steenbergen http://www.e-gerbil.net/ras PGP Key ID: 0x138EA177 (67 29 D7 BC E8 18 3E DA B2 46 B3 D8 14 36 FE B6) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message