That's interesting. I would not have expected the Mac to outperform a Windows box on raw disk I/O.

Raw disk I/O in a sense never really happens, because you are always getting some things out of cache. And you have to split disk I/O up into speed for bulk transfers and for many small accesses.

Also, let us not forget that Mac OS X has journaling built in, which extracts a small performance penalty but protects against catastrophic directory corruption in the case of some kind of system failure.



Has anyone found that more memory significantly helps performance?

The biggest single thing you can do to speed up a 4D database is to give it more RAM than the size of the database, then load as much as possible into cache.

Regards,

   Aparajita
   Victory-Heart Productions
   www.aparajitaworld.com

   "If you dare to fail, you are bound to succeed."
   - Sri Chinmoy   |   www.srichinmoylibrary.com

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