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Tony, I'm interrested in using an other method to store theses big files. Do you have an idea of an alternate methode ? The files I use are script files that are frequently updated (In this case CVs fits well). These scripts use external exe files that can be very large. I want to be certain that we I do a Checkout I get all the files that I need to run the script. Thanks for your help Michel Leclerc Tony Hoyle (21/10/2004 16:40): >michel.leclerc at b-rail.be wrote: >> Tony, >> >> It seems that network speed is not the bottleneck. I've tried with a speed of >> 10 Mbits, 100Mbits and gigabit and it does not make a big difference. >> These large files are binary files and I don't understand why they require so >> much CPU resources. Why CVs does require so much memory to handle these files? >> Which amount of memory do I need to feel comfortable? > >It depends on the amount of activity going on at the same time, whether >you're checking out HEAD, etc. > >A 270MB file will at a minimum use twice that size for checkout, then >the disk space for the temporary file, before sending to the client. > >If you're not checking out HEAD you can double that memory requirement, >at least. If multiple users are going to be checking out >simultaneously, multiply the whole thing by the number of users. > >A version control system doesn't simply store the files on disk, it has >to calculate differences between versions and (during checkout) >reconstruct the original file. There are also some changes required by >the RCS file format that mean you don't entirely get away with it even >for HEAD. The faster the CPU the better for this kind of thing - no >matter how efficient the algorithm a file of that size is going to take >a significant time to process. > >You may be better off using an alternate method of storing those files, >as you're quickly going to end up with RCS files of several GB in size - >this makes backup of those files difficult. > >Tony >_______________________________________________ >cvsnt mailing list >cvsnt at cvsnt.org cvsnt downloads at march-hare.com @CVSNT on Twitter CVSNT on Facebook >http://www.cvsnt.org/cgi-bin/mailman/listinfo/cvsnt https://www.march-hare.com/cvspro/en.asp#downcvs