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Re: Finding the Bottleneck

On Friday 08 June 2001 10:49, Brian May wrote:
>     Russell> If the NFS server has the same disk system then you will
>     Russell> only make things worse.  Anything you could do to give
>     Russell> the NFS server better IO performance could more
>     Russell> productively be done to the main server.  Also many of
>     Russell> the common Unix mail server programs are specifically
>     Russell> designed to have the queue on a local file system with
>     Russell> standard Unix semantics (Inode numbers etc).  Qmail is
>     Russell> one mail server that I have found to not work with it's
>     Russell> queue on NFS, I haven't seriously tried any others.  I've
>     Russell> CC'd Brian May because he does a lot more NFS stuff with
>     Russell> Debian than most people and he may be able to advise you.
> It depends on how much you want to share via NFS, what speed/type
> network you have, etc.

Jason has previously stated that he only wants a single machine and wants 
things to be as cheap as possible.

> The idea of putting any queue on NFS is generally discouraged (due to
> file locking issues). Maildir is one exception to this rule.

Maildir != queue...

http://www.coker.com.au/bonnie++/     Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/       Postal SMTP/POP benchmark
http://www.coker.com.au/projects.html Projects I am working on
http://www.coker.com.au/~russell/     My home page

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