Michel,
I remember your threads of a few weeks ago. I do not know if this is relevant, but I came up with something interesting just now.
I have a log file that contained 78K records. I deleted like 55 K records from it. Mind you it is not indexed, etc, it is not even part of a DBC. Now it takes for ever (3 à 4 seconds to open, or to do anything with it). It is opened shared.
Marc
If things have the tendency to go your way, do not worry. It won't last. Jules Renard.