From owner-freebsd-questions@FreeBSD.ORG Wed Sep 9 15:16:58 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E74ED1065670 for ; Wed, 9 Sep 2009 15:16:58 +0000 (UTC) (envelope-from maciej@suszko.eu) Received: from 30.mail-out.ovh.net (30.mail-out.ovh.net [213.186.62.213]) by mx1.freebsd.org (Postfix) with SMTP id 538848FC18 for ; Wed, 9 Sep 2009 15:16:57 +0000 (UTC) Received: (qmail 20910 invoked by uid 503); 9 Sep 2009 14:50:26 -0000 Received: from b9.ovh.net (HELO mail32.ha.ovh.net) (213.186.33.59) by 30.mail-out.ovh.net with SMTP; 9 Sep 2009 14:50:26 -0000 Received: from b0.ovh.net (HELO queueout) (213.186.33.50) by b0.ovh.net with SMTP; 9 Sep 2009 14:52:03 -0000 Received: from unknown (HELO localhost) (maciej@suszko.eu@62.61.57.118) by ns0.ovh.net with SMTP; 9 Sep 2009 14:52:01 -0000 Date: Wed, 9 Sep 2009 16:50:05 +0200 From: Maciej Suszko To: Peter Steele Message-ID: <20090909165005.089ae704@suszko.eu> In-Reply-To: <7B9397B189EB6E46A5EE7B4C8A4BB7CB3037EC0A@MBX03.exg5.exghost.com> References: <7B9397B189EB6E46A5EE7B4C8A4BB7CB3037EBB7@MBX03.exg5.exghost.com> <20090908235259.GB19173@gizmo.acns.msu.edu> <20090909105707.GA27941@torus.slightlystrange.org> <7B9397B189EB6E46A5EE7B4C8A4BB7CB3037EC0A@MBX03.exg5.exghost.com> X-Mailer: Claws Mail 3.7.2 (GTK+ 2.16.6; i386-portbld-freebsd8.0) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/Y5+z92wbNsT9gWUMn4yfBq6"; protocol="application/pgp-signature" X-Ovh-Tracer-Id: 13911619250404417687 X-Ovh-Remote: 62.61.57.118 () X-Ovh-Local: 213.186.33.20 (ns0.ovh.net) X-Spam-Check: DONE|U 0.5/N Cc: 'Daniel Bye' , "'freebsd-questions@freebsd.org'" Subject: Re: Using mdconfig for swap space X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2009 15:16:59 -0000 --Sig_/Y5+z92wbNsT9gWUMn4yfBq6 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Peter Steele wrote: > Thanks for the responses. The reason I'm looking at doing this is > that we have increased memory on our platform from 4GB to 8GB and > therefore have to increase swap space from 8GB to 16GB. We have > enough space in our /var partition that we could add a swap file > there and not have to touch the existing partition layout. I like the > simplicity of the swap file approach, but we have an application that > is very sensitive to I/O performance and I'm a little wary what this > could mean. QA I know would have a field day in trying to pound the > system with all sorts of stress tests. I think a dedicated swap > partition is probably a safer option. Nowadays having swap twice as RAM is not necessary. If your system wasn't swapping much in the past you can safely stay with 4G in my opinion... extending it to 16G would be waste of space :) --=20 regards, Maciej Suszko. --Sig_/Y5+z92wbNsT9gWUMn4yfBq6 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) iEYEARECAAYFAkqnwKMACgkQCikUk0l7iGpVeQCdEQeBUIx65MLydMwTdn+XBFRj mKMAniVojDxSbvdnqO1+4MxG1JWo5bBP =S4e2 -----END PGP SIGNATURE----- --Sig_/Y5+z92wbNsT9gWUMn4yfBq6--