From owner-freebsd-stable Wed Apr 3 17:18:13 2002 Delivered-To: freebsd-stable@freebsd.org Received: from gw.nectar.cc (gw.nectar.cc [208.42.49.153]) by hub.freebsd.org (Postfix) with ESMTP id AECDF37B400 for ; Wed, 3 Apr 2002 17:18:07 -0800 (PST) Received: from madman.nectar.cc (madman.nectar.cc [10.0.1.111]) by gw.nectar.cc (Postfix) with ESMTP id 5637038; Wed, 3 Apr 2002 19:18:07 -0600 (CST) Received: (from nectar@localhost) by madman.nectar.cc (8.11.6/8.11.6) id g341I7N99093; Wed, 3 Apr 2002 19:18:07 -0600 (CST) (envelope-from nectar) Date: Wed, 3 Apr 2002 19:18:07 -0600 From: "Jacques A. Vidrine" To: Mike Silbersack Cc: Garance A Drosihn , stable@FreeBSD.ORG Subject: Re: Heads up, a bit: ephemeral port range changes Message-ID: <20020404011807.GC93977@madman.nectar.cc> References: <20020404005838.P60053-100000@patrocles.silby.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020404005838.P60053-100000@patrocles.silby.com> User-Agent: Mutt/1.3.28i X-Url: http://www.nectar.cc/ 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, Apr 04, 2002 at 01:07:13AM -0600, Mike Silbersack wrote: > The ephemeral port range determines the maximum number of simultaneous > outbound connections that you can have. As pointed out in a PR (I don't > recall the # offhand), our low limit was probably the reason that FreeBSD > ran out of steam before the other OSes in the sysadmin benchmark last > year. This falls in the same category as any other system tuning for questionable benchmarks. It is certainly not a compelling reason to break things. > Normally I wouldn't change settings to tune for a benchmark, but there is > no functional downside to this change. As Jacques points out, many > sysadmins with busy servers _already_ make this change, as have a few > other OSes. And it is a good change --- for a new operating system release. > Sure it is. After an installkernel you always have kernel.old sitting > around. You don't need the old kernel, anyway. You can just use the sysctl knobs. > This isn't a big deal, guys. Go find something better to make a fuss > about. Thanks for your consideration, -- Jacques A. Vidrine http://www.nectar.cc/ NTT/Verio SME . FreeBSD UNIX . Heimdal Kerberos jvidrine@verio.net . nectar@FreeBSD.org . nectar@kth.se To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message