to hash or not to hash?

[Christoph Moench-Tegeder]

## Andrew J Caird (andrew.caird at fccc.edu):

> Is there any reason not to use:
> 	hashimapspool: true
> Are there guidelines on when it is an advantage or a disadvantage to use
> it?

"Recommended for large (no of mailboxes) spools". "Large" depends on
your filesystem. Linux/ext3 takes some 15 thousend-and-odd users
without hashing "fast enough". Do your own tests on your hardware,
with your filesystem-of-choice and your OS (this might reduce the number
of filesystems to choose from).

Regards,
Christoph

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