From owner-freebsd-performance@FreeBSD.ORG Tue Aug 21 09:00:54 2012 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 34D8D106566B for ; Tue, 21 Aug 2012 09:00:54 +0000 (UTC) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) by mx1.freebsd.org (Postfix) with ESMTP id D4CC38FC14 for ; Tue, 21 Aug 2012 09:00:53 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1T3kKS-0006Sq-Rt for freebsd-performance@freebsd.org; Tue, 21 Aug 2012 11:00:52 +0200 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 21 Aug 2012 11:00:52 +0200 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 21 Aug 2012 11:00:52 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-performance@freebsd.org From: Ivan Voras Date: Tue, 21 Aug 2012 11:00:39 +0200 Lines: 31 Message-ID: References: <502DEAD9.6050304@zonov.org> <502EB081.3030801@rice.edu> <502FE98E.40807@rice.edu> <50325634.7090904@rice.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigC9021945C244D92B757458DB" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:10.0) Gecko/20120213 Thunderbird/10.0 In-Reply-To: <50325634.7090904@rice.edu> X-Enigmail-Version: 1.3.5 Subject: Re: vm.kmem_size_max and vm.kmem_size capped at 329853485875 (~307GB) X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Aug 2012 09:00:54 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigC9021945C244D92B757458DB Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 20/08/2012 17:22, Alan Cox wrote: > Try setting kern.maxbcache to two billion and adding 50 billion to the > setting of vm.kmem_size{,_max}. Just as a side-note: unless it has some side-effects, it is probably worth increasing these tunables by default, as RAM is very cheap again. 512 GB in a machine can be bought for less than $10,000. --------------enigC9021945C244D92B757458DB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlAzTjsACgkQ/QjVBj3/HSzG+gCghe64ZpTd+/NJJ+ARIpOklycF +y0An1A98uv27XZv0cOtW5dpvBU8jlc5 =h3GP -----END PGP SIGNATURE----- --------------enigC9021945C244D92B757458DB--