Date: Fri, 4 May 2001 10:03:13 -0700 From: "Milo Hyson" <milo@cyberlifelabs.com> To: <hubs@freebsd.org> Cc: <will@physics.purdue.edu> Subject: RE: ftp-master method Message-ID: <NBEEIDNHJPFDIKAABHKKGEPOCCAA.milo@cyberlifelabs.com> In-Reply-To: <200105041644.f44GiuO54477@vashon.polstra.com>
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We've been running CVSup for FreeBSD, PostgreSQL and KDE for quite a while now. It does eat up quite a bit of CPU time. A single update across a T1 dropped about 12% of an otherwise idle P2-400. - Milo Hyson CyberLife Labs, LLC -----Original Message----- From: owner-freebsd-hubs@FreeBSD.ORG [mailto:owner-freebsd-hubs@FreeBSD.ORG]On Behalf Of John Polstra Sent: Friday, May 04, 2001 9:45 AM To: hubs@freebsd.org Cc: will@physics.purdue.edu Subject: Re: ftp-master method In article <20010502161330.B5017@casimir.physics.purdue.edu>, Will Andrews <will@physics.purdue.edu> wrote: > OK, so people have problems with either mirror/spegla+ftp and rsync. > How about cvsup? I've suggested this a few times myself. I haven't heard any arguments against it, but nobody ever seems to consider it seriously for this application. It wouldn't be hard to try it and find out how well it works. > It uses the rsync algorithm with some optimizations, Well, to be fair, I doubt it compresses quite as well as rsync. (Rsync is tuned better.) But CVSup probably streams better, and I wouldn't be surprised if it was faster overall in terms of elapsed time. > and can be configured to have a maximum number of deletions, and has > several methods of excluding files. It also requires little memory, All true. > although it does hurt when it comes to cpu. Hmm -- maybe, maybe not. It uses a lot of CPU for dealing with RCS files, because it parses them and edits them and generally spends a lot of time grokking them. The rsync algorithm is much simpler, so CVSup's CPU usage should be better for that case. John -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hubs" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hubs" in the body of the message
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