Re: [cobalt-users] the CPU has been heavily loaded - POP server

["E.B. Dreger" <eddy+public+spam@xxxxxxxxxxxxxxxxx>]

> Date: Sat, 05 Oct 2002 22:12:14 -0400
> From: jale


> But the problem is that if they have a large mailbox due to
> mail-left-on-server and they check often, often they need to
> read the entire file. We spent hrs on this last week, getting

Ah, yes.  Mail left on server is a problem if running mbox.  In
that case, frequent checking (obviously) worsens the problem.


> rid of the big mailboxes of old messages was the key, when
> users check mail now it is about .4 seconds (that's point-4) so
> I could care less how often they do it. For us, it was the ones
> with mailboxes of 5-50 meg checking mail every 10 minutes even
> that was killing us.

Yes.  This is one of the reasons maildir was invented.  (Fun with
locking over NFS was the other big one.)


Eddy
--
Brotsman & Dreger, Inc. - EverQuick Internet Division
Bandwidth, consulting, e-commerce, hosting, and network building
Phone: +1 (785) 865-5885 Lawrence and [inter]national
Phone: +1 (316) 794-8922 Wichita

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