From owner-freebsd-current@FreeBSD.ORG Fri Sep 29 18:20:53 2006 Return-Path: X-Original-To: current@FreeBSD.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EF0A016A492; Fri, 29 Sep 2006 18:20:53 +0000 (UTC) (envelope-from ru@rambler-co.ru) Received: from relay0.rambler.ru (relay0.rambler.ru [81.19.66.187]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6C96143D45; Fri, 29 Sep 2006 18:20:53 +0000 (GMT) (envelope-from ru@rambler-co.ru) Received: from relay0.rambler.ru (localhost [127.0.0.1]) by relay0.rambler.ru (Postfix) with ESMTP id 74612615C; Fri, 29 Sep 2006 22:20:52 +0400 (MSD) Received: from edoofus.park.rambler.ru (unknown [81.19.65.108]) by relay0.rambler.ru (Postfix) with ESMTP id 523386119; Fri, 29 Sep 2006 22:20:52 +0400 (MSD) Received: (from ru@localhost) by edoofus.park.rambler.ru (8.13.8/8.13.8) id k8TIKrsR038019; Fri, 29 Sep 2006 22:20:53 +0400 (MSD) (envelope-from ru) Date: Fri, 29 Sep 2006 22:20:53 +0400 From: Ruslan Ermilov To: "M. Warner Losh" Message-ID: <20060929182053.GG37741@rambler-co.ru> References: <2fd864e0609290707t7e7d6e17g61a09ff5aa10ff3f@mail.gmail.com> <20060929.091414.74722768.imp@bsdimp.com> <20060929172657.Q74256@fledge.watson.org> <20060929.110942.1723237142.imp@bsdimp.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="4eRLI4hEmsdu6Npr" Content-Disposition: inline In-Reply-To: <20060929.110942.1723237142.imp@bsdimp.com> User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: No virus found Cc: astrodog@gmail.com, rwatson@FreeBSD.org, current@FreeBSD.org Subject: Re: lockf in installworld -- not a good idea X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Sep 2006 18:20:54 -0000 --4eRLI4hEmsdu6Npr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 29, 2006 at 11:09:42AM -0600, M. Warner Losh wrote: [...] > I tend to agree with that basic philosophy. From other items in the > thread, it was clear this came up in the context of build release, > which benefits from -j usually. The installworld phase in that should > be as robust as possible as well, since otherwise we have issues with > the actual release. Unless it is a big win (more than a few percent), > I'd imagine the right fix is to the release target to not do a > parallel installworld. I know that in the build scripts that I wrote > in 3.x days and have ported forward since then I've never done a > parallel install, due to it rarely working reliably in that (long) > time span... >=20 They are safe to do nowadays. I'll do some measurements on real SMP with the memory-based DESTDIR, and let you know the numbers. Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --4eRLI4hEmsdu6Npr Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFHWQFqRfpzJluFF4RAjGJAJ4jmTPgYHLumVVSkoHI383OojOuPgCfYV+T cQbla159aPWj/k554MxrDyg= =LMLo -----END PGP SIGNATURE----- --4eRLI4hEmsdu6Npr--