From owner-freebsd-stable Thu Nov 20 15:21:59 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id PAA18492 for stable-outgoing; Thu, 20 Nov 1997 15:21:59 -0800 (PST) (envelope-from owner-freebsd-stable) Received: from ns.mt.sri.com (sri-gw.MT.net [206.127.105.141]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id PAA18453 for ; Thu, 20 Nov 1997 15:21:48 -0800 (PST) (envelope-from nate@mt.sri.com) Received: from mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by ns.mt.sri.com (8.8.8/8.8.8) with SMTP id QAA21642; Thu, 20 Nov 1997 16:21:19 -0700 (MST) (envelope-from nate@rocky.mt.sri.com) Received: by mt.sri.com (SMI-8.6/SMI-SVR4) id QAA11798; Thu, 20 Nov 1997 16:21:17 -0700 Date: Thu, 20 Nov 1997 16:21:17 -0700 Message-Id: <199711202321.QAA11798@mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Mike Smith Cc: Nate Williams , chad@dcfinc.com, rkw@dataplex.net, brian@awfulhak.org, andrsn@andrsn.stanford.edu, freebsd-stable@freebsd.org Subject: Re: Version Resolution? In-Reply-To: <199711202300.JAA00612@word.smith.net.au> References: <199711202218.PAA11561@mt.sri.com> <199711202300.JAA00612@word.smith.net.au> X-Mailer: VM 6.29 under 19.15 XEmacs Lucid Sender: owner-freebsd-stable@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > Where is this 'counter' stored? It's got to be in one place so that all > > of the different distribution mechanisms get the same information if > > they grab the same file (CTM/CVS/CVSup). If not in one place, then all > > of the distribution mechanism must generate the *EXACT* same information > > given the *EXACT* same information, and given that the propogation > > delays of the sources throughout the world, then simple timestamps won't > > work. > > > > So, how do you do it? > > It has to be done by CVS; each commit increments a counter. This means > that simultaneous commits become impossible, as the object containing > the counter has to be locked as part of the commit. This file then increases w/out bounds, which is unacceptable. Nate