Re: hash_queue_depth for better performance

From: Wietse Venema (no email)
Date: Fri Oct 26 2001 - 13:31:29 EDT


Manuel Hendel:
> For a better performance, I would like to optimize the
> hash_queue_depth. For about 130.000 mails, what would be the right
> value therefor?

Your best option is to measure the performance (for example, with
the smtp-source and smtp-sink utilities that ship with Postfix).

With 130.000 queue files, one level of hashing is probably sufficient.
The exact number depends on your hardware and on your file system
implementation.

Too many levels will actually slow Postfix down.

        Wietse
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