Regarding the Windows capability to handle multiple files per folder.
I haven't done testing in recent windows applications -- I think my work was way back in win 2000. However, at the time the problems was in Windows ability to do string math. Basically, file names were kept as characters and all the files in a directory were stored by the OS as one long string. As the size of the string became too large, file operations would really slow down. One thing to allow more files was to use shorter file names since this would shorten the total string size.
Also, I'm not sure of my recollection, but I believe the entire path was stored with each file name in the directory. Therefore, anything to make the path shorter (/n/f/r instead of /name/french/revolution) would speed things up considerably.
As I said, I'm not sure if these limitations still exist, but if you are seeing a slow down with the number of nodes then this is something that could be checked.
Michael
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