On Sun, 12 May 2002, Dustin Puryear wrote:

> On the subject you mention however, has 
> there been any work toward using mysql as a mailstore?

Not with Courier, I hope. Microsoft is trying hard to make this approach
work with Exchange, as is Cyrus.

>  It seems like it would be an excellent way to increase the
> scalability of a mail server.

An RDBMS multiplies the work required to read and write data by several
times. In terms of speed, the best RDBMS get about 5-6x filesystem access
I believe. ACID compliance has very high costs, in particular with
respecrt to transactions. So in fact what you propose is more like inverse
scaleability :-)

> (For one, no NFS issues!) Has this approach been considered?

Maildir has no NFS issues. It really is an elegant solution to a common
problem.

I feel that email might be one of the best immediate examples of a
real-world problem that lends itself to being solved by the techniques
described at http://www.namesys.com/whitepaper.html.

--
Dan Shearer
Open Source Manager
Mob: +61 411 49 1800
Tel: +61 8 8130 3104
[EMAIL PROTECTED]


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