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Sascha Herrmann, > Committing into MAIN works. So it only happens when we commit into a > branch. Judging from the task manager, these operations seem to be > totally different operations. Committing into a branch > crashes at about > 800MB of working set, committing into MAIN just needs some 70MB. Yes - we recommend that the majority of development occurs on the Trunk because that is how CVS/CVSNT is optimised. However even on a branch the maximum memory used should by typically no more than 4 revisions worth. > I read that there is a bug in the C runtime of Windows, and I > read about the corresponding bug (4808?) in your bug system, but > I did not get if the fix went into the Open Source version of Zen > or not. It's not so muc as a 'fix' as a 'workaround' and we are still evaluating the results (which are quite varied). The bug is in the Microsoft C runtime - so this is a bug exclusive to windows. The only 'real' solution is to do away with the C runtime library memory alloc/dealloc in the windows builds. The very latest CVS Suite 2008 (commercial edition) has experimental patches to do this, however it just takes one spot where we've missed and it all comes crashing down... If you are going to work with large binary files (or small binary files with lots of revisions) then we recommend a 64 bit OS like SLES9, HPUX 11i or Solaris 9 Sparc (we currently have Windows x64 builds that we use internally but until a customer 'pays' for it then we won't be releasing and supporting such a thing). Regards, Arthur Barrett