Re: load average question
At 09:20 AM 11/23/2002 +0100, 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.
We require that users download their mail and not store it on the server. We
do have a lot of business accounts where they transfer large files, but for the
most part most of the mail boxes are small - under the 1 meg size.
>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.
Is it possible to move current mail to the maildir format? I inconvenienced
the clients once with the crash and now that things are not running as smooth
I don't want to run the risk of long amounts of downtime. I really want to go
Postfix because I think it is more efficient, more secure, more reliable
and less
of a resource pig. Qpopper also has a habit of just stopping, I have have to
reload xinetd several times a day.
Regarding a switch to debian. Three years ago we started switching our
servers from Suse to Debian. I've never regretted that switch since
maintaining Debian is so much easier than Suse due to apt.
Had a Debian box ready to go, but when the machine crashed I had to get
something up right then and now so I went with RH because I could do it
in under 30 minutes, plus I had the Sendmail configs. I ended up using
Suse as well for Cistron Radius. I only have 3 of these boxes - Mandrake
for the web server, RH for the mail and Suse sits there and does Radius.
I have been planning on moving people off the Mandrake box so I might
move them to the Suse box since it only does Radius, turn the Mandrake
box into Debian and be happy :)
-Scott
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