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Re: load average question



On Sat, 23 Nov 2002 09:20, Torsten Krueger wrote:
> Hmm - watch out for the load qpopper produces. Since the sendmail/qpopper
> combination uses mbox a users mailbox is copied every time the mbox is
> accessed. If you have large mailboxes (e.g. no quota an users leave mail
> on server) this can produce a significant load.

You are correct, any pop server which uses mbox stores will cause very high 
system load, and qpopper is worse than some other pop servers.

I was just looking at the concept rather than the details when I wrote my 
previous quick email.

You and Craig are right about the benefits of Maildir.

> I would see no problems with that. If you can make sure that the popper
> produces the load I'd suggest moving to Maildir for storage of the users
> mailboxes and perhaps Postfix with Courier Pop3d.

I agree totally.

> > Apart from webmail that should be a trivial load.  Webmail systems seem
> > to take up lots of resources in my experience, is it an option to have a
> > separate machine for webmail?
> >
> > http://www.coker.com.au/postal/    Postal SMTP/POP benchmark
>
> Try this one and look what type of the system is the reason for the
> problems.

;)

-- 
http://www.coker.com.au/selinux/   My NSA Security Enhanced Linux packages
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/~russell/  My home page



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