DragonFly users List (threaded) for 2008-01
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DragonFly users List (threaded) for 2008-01
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Re: rsync considered superior

From: "Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>
Date: Wed, 30 Jan 2008 16:20:52 +0100

Bill Hacker wrote:
To state it clearly for everybody:


Use rsync to sync your repos! It is faster and can even be compiled!
To state it even MORE clearly...

" ...so long as you do not give a damn about the extra load you are placing on the source server...."

wrong. there is no extra load. do you have numbers? if not, don't state this like a fact. I believe that cvsup will produce a higher load on the server, but that's up to curious people.

rsync predates CVSUP.

unix predates windows, yet windows is in wide use. is it good? who cares, we're using bsd. so who predates whom is no argument.

- cvsup would never have seen the light of day in the first place.

there are thousands of useless and stupid software products out there. existance is no argument for superiority.

- NOR been adopted so *very* widely.

very? it's seemingly only used by the bsds, and of those only intensively by freebsd. other groups use cvsync or rather don't sync the cvs repos.

- NOR have remained in service for so long on so many projects.

never change a running system. as long as it works, why bother?

- NOR survived challenges from 'Mercurial' and several other similar tools.

which challenges? mercurial is orthogonal. if you're stuck with cvs, you gotta use a repo syncer or suffer with anoncvs.

A vast supposition about rsync, backed up by half-vast testing doesn't change any of that. Not even with a nicely done write-up.

oh come on, seriously. you believe that? how can you pull out a couple of shady arguments and shoot down a well-founded evaluation? that's not even remotely scientific.

Set up the repo you have mirrored as a source server.

I am running the server. I checked the load while syncing one client. arguably that's not a founded experiment, but it is a data point.

Instrument that server's load with 100 simultaneous rsync clients and again with 100 simultaneous cvsup clients.

Post the results.

go ahead, make my day. I for sure don't have time for such useless experiments. the choice is rsync. cvsup is dead. it is written in an unmaintainable language and it performs slower on the client. 'nuff said, no more data needed. the facts speak clearly, even if they don't cover the server part.


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