From owner-freebsd-hackers Tue Jul 9 2:18:11 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C511937B400 for ; Tue, 9 Jul 2002 02:18:08 -0700 (PDT) Received: from mailc.telia.com (mailc.telia.com [194.22.190.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 45CED43E3B for ; Tue, 9 Jul 2002 02:18:07 -0700 (PDT) (envelope-from erikt@midgard.homeip.net) Received: from d1o913.telia.com (d1o913.telia.com [195.252.44.241]) by mailc.telia.com (8.11.6/8.11.6) with ESMTP id g699I6118686 for ; Tue, 9 Jul 2002 11:18:06 +0200 (CEST) Received: from falcon.midgard.homeip.net (h53n2fls20o913.telia.com [212.181.163.53]) by d1o913.telia.com (8.8.8/8.8.8) with SMTP id LAA14125 for ; Tue, 9 Jul 2002 11:18:05 +0200 (CEST) Received: (qmail 8469 invoked by uid 1001); 9 Jul 2002 09:18:03 -0000 Date: Tue, 9 Jul 2002 11:18:03 +0200 From: Erik Trulsson To: Dmitry Morozovsky Cc: Chuck Robey , FreeBSD Hackers List Subject: Re: swap & huge mem systems Message-ID: <20020709091803.GA8427@falcon.midgard.homeip.net> Mail-Followup-To: Dmitry Morozovsky , Chuck Robey , FreeBSD Hackers List References: <20020709015454.GA6323@falcon.midgard.homeip.net> <20020709125835.Y75130-100000@woozle.rinet.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020709125835.Y75130-100000@woozle.rinet.ru> User-Agent: Mutt/1.5.1i Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Jul 09, 2002 at 01:02:16PM +0400, Dmitry Morozovsky wrote: > On Tue, 9 Jul 2002, Erik Trulsson wrote: > > [snip] > ET> Minimal swap if you want to be able to catch core dumps: Physical RAM > ET> size + 64K > ET> > ET> Personally, in your situation I would probably configure enough swap to > ET> be able to catch a core dump and not much more, i.e. slightly more than > ET> 1G swap. > > BTW, is it safe to create _interleaved_ swap totally sized slightly above > the amount of physical RAM? I mean, is core writer interleve-aware, or > does it need the first swap partiton large enough? The coredumping code does not know about interleaved swap. It just uses a single swap partition which must be large enough. Read the dumpon(8) manpage for more information. -- Erik Trulsson ertr1013@student.uu.se To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message