I do not really know if this is related but yesterday I got a problem with a student saving MCZ files on usb disc. May be the OS was using a buffer but none of the files where wirtten there, when surprisingly the changes were saved.
Stef On Oct 23, 2009, at 2:31 AM, Schwab,Wilhelm K wrote: > Hello all, > > I'm not sure what to make of this one. I just spent a couple of > hours trying to find the "leak" in an algorithm of mine. It was > reading roughly 1200 records, claiming to have processed all of > them, and yet writing only about 450 rows into an output text file. > One clue should have been that the number of output rows was > somewhat random; I did not fully appreciate that until I worked > around the problme. > > I tried an explicit #flush - no help. I looked for logic errors and > found none. The file was being written to a Windows hosted share > mounted by CIFS (which I am learning to view with contempt) from > Ubuntu 9.04. You can see where this is going: writing the file > locally gave the expected result. > > Any ideas on how one might further isolate the problem? My trust in > Windows is well known<g>; I have never liked shared directories; I > _really_ do not like CIFS as compared (reliability wise) to SMBFS; > the network between me and the server is in question too (long > story). All of that said, file support in Squeak, and hence so far > inherited by Pharo, is not the best code I have seen to date, so it > is easy to suspect too. Can one argue that since it worked locally, > Pharo is not the problem? > > The little bit that I know of cifs is not encouraging. It sounds as > though things moved from an easily killed process into the kernel > which shows an almost Windows-like unwillingness to shut down when > it cannot see servers. I have found numerous reports of problems > copying large files over cifs, and I have enountered them too. > > Bill > > _______________________________________________ > Pharo-project mailing list > [email protected] > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project _______________________________________________ Pharo-project mailing list [email protected] http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
