> Is the performance of manipulating a single direcory with
> 45,000 entries even something we care about?  Who would ever
> put 45,000 files into a single directory?  Who would even put
> 100 files into a directory if getting a directory listing takes
> two or more screens just to display?

Yes, I think we care or should care.

Think MH folder system or Maildir setup, and add in users who
have an ever increasing number of messages in their folders.
That's not exactly an uncommon usage scenario, at least in my
surroundings.

Regards,

- H=E5vard