From owner-freebsd-stable Thu Jul 11 9:40:41 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 61E1C37B400 for ; Thu, 11 Jul 2002 09:40:39 -0700 (PDT) Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11]) by mx1.FreeBSD.org (Postfix) with SMTP id 31B4143E64 for ; Thu, 11 Jul 2002 09:40:38 -0700 (PDT) (envelope-from dwmalone@maths.tcd.ie) Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP id ; 11 Jul 2002 17:40:37 +0100 (BST) Date: Thu, 11 Jul 2002 17:40:36 +0100 From: David Malone To: Ken Menzel Cc: freebsd-stable@FreeBSD.ORG Subject: Re: tuning(7) request was: Re: Performance boost with kernel options in FBSD 4.6 Message-ID: <20020711164036.GB52376@walton.maths.tcd.ie> References: <20020710104730.L10343-100000@klima.physik.uni-mainz.de> <04a601c228dc$c6dbb980$681663cf@icarz.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <04a601c228dc$c6dbb980$681663cf@icarz.com> User-Agent: Mutt/1.3.25i Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, Jul 11, 2002 at 09:13:41AM -0400, Ken Menzel wrote: > If it's possible this makes a difference can we get a note about HZ > added to the tuning(7) man page? Increasing HZ may have a deterimental effect on the performance of some workloads (I'd guess CPU intensive ones would suffer, though I haven't check if there is a measurable effect on modern hardware). If we had some objective measurements then it might be possible to write a section on tuning HZ. David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message