From owner-freebsd-hackers Sat Sep 29 19:33:44 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from mail.webmonster.de (datasink.webmonster.de [194.162.162.209]) by hub.freebsd.org (Postfix) with SMTP id 04C9637B403 for ; Sat, 29 Sep 2001 19:33:40 -0700 (PDT) Received: (qmail 62005 invoked by uid 1000); 30 Sep 2001 02:34:00 -0000 Date: Sun, 30 Sep 2001 04:34:00 +0200 From: "Karsten W. Rohrbach" To: Vladimir Dozen Cc: hackers@FreeBSD.org Subject: Re: VM: dynamic swap remapping (patch) Message-ID: <20010930043400.C61409@mail.webmonster.de> Mail-Followup-To: "Karsten W. Rohrbach" , Vladimir Dozen , hackers@FreeBSD.org References: <20010929155941.A291@eix.do-labs.spb.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="9Ek0hoCL9XbhcSqy" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010929155941.A291@eix.do-labs.spb.ru>; from vladimir-dozen@mail.ru on Sat, Sep 29, 2001 at 03:59:41PM +0000 X-Arbitrary-Number-Of-The-Day: 42 X-URL: http://www.webmonster.de/ X-Disclaimer: My opinions do not necessarily represent those of my employer X-Work-URL: http://www.ngenn.net/ X-Work-Address: nGENn GmbH, Schloss Kransberg, D-61250 Usingen-Kransberg, Germany X-Work-Phone: +49-6081-682-304 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 --9Ek0hoCL9XbhcSqy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Vladimir Dozen(vladimir-dozen@mail.ru)@2001.09.29 15:59:41 +0000: > ehlo. >=20 > (Sorry for long pre-history, I believe it is necessary.) >=20 > My current employer develops large CORBA-based data mining servers. > They are usually run under HP-UX, but, following the current fashion > to build processing farms, I was targeted to build version for free > unices. Initial platform was Linux, and build itself was done smoothly, > but very soon we were got problem: we use pthreads; to be more precise, > we use thread-per-client model. This means that at the same time we may > compute from single to a few tens client sessions. Each session may eat > as much as 1G of address space, and even more (actually, there is no > limits except for hardware ones). IIRC from the problems we had with a project some while ago, mm might help. [http://www.engelschall.com/sw/mm/] it wraps malloc() and friends into a neat api, including preallocation in fs space (the features are somewhat os dependent) and fast shared memory. /k --=20 > Did you know that there are 71.9 acres of nipple tissue in the U.S.? KR433/KR11-RIPE -- WebMonster Community Founder -- nGENn GmbH Senior Techie http://www.webmonster.de/ -- ftp://ftp.webmonster.de/ -- http://www.ngenn.n= et/ karsten&rohrbach.de -- alpha&ngenn.net -- alpha&scene.org -- catch@spam.de GnuPG 0x2964BF46 2001-03-15 42F9 9FFF 50D4 2F38 DBEE DF22 3340 4F4E 2964 B= F46 Please do not remove my address from To: and Cc: fields in mailing lists. 1= 0x --9Ek0hoCL9XbhcSqy Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7toSXM0BPTilkv0YRAltkAKCTsszy3bY0cXh8G9nFEYD+Ms2zpwCgn+zs 39ebzqImR1QbsgCeO9bABEU= =5LwJ -----END PGP SIGNATURE----- --9Ek0hoCL9XbhcSqy-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message