10 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Re: POP3 using lo...
FromSent OnAttachments
Cesar BonadioNov 8, 2002 1:22 pm 
Sam VarshavchikNov 8, 2002 6:35 pm 
Cesar BonadioNov 11, 2002 7:08 am 
Sam VarshavchikNov 11, 2002 2:44 pm 
Bill MichellNov 12, 2002 5:03 am 
Roland SchneiderNov 12, 2002 6:09 am 
Brian CandlerNov 13, 2002 2:00 pm 
Sam VarshavchikNov 13, 2002 3:09 pm 
Brian CandlerNov 14, 2002 1:36 am 
Olivier GirondelNov 14, 2002 7:51 am 
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Subject:Re: [courier-users] Re: POP3 using lots of CPUActions...
From:Cesar Bonadio (bona@picture.com.br)
Date:Nov 11, 2002 7:08:40 am
List:net.sourceforge.lists.courier-users

Hello Sam

thanks for the answer,

Is there anything that could be done to aptimize performance without having to rewrite or change the code? if you could point us to some direction maybe we could work in a small patch or something else.

We are using maildir type mailbox.

Thanks

Sam Varshavchik wrote:

Cesar Bonadio writes:

Hello

I am using courier imap 1.4.6, a few users uses the imap and others the pop server the problem is that whem someone uses the POP server the CPU utilization goes to 50 or more with IMAP it works fine.

The POP3 server is not very efficient for HUGE mailboxes.

The system is a dual PIII 800Mhz with 1GB memory and a Intel Raid. Running RedHat with Linux 2.4.19p10

Does anyone know what could be done to lower the CPU utilization of the POP3 server?

POP3 isn't really meant to be used to keep huge mailboxes on the server. That's what IMAP's for, as you've observed.

Although it is possible to optimize the POP3 server for huge mailboxes, I'm reluctant to do so, because it's going to be a pain in the neck, and I still believe that IMAP is the appropriate solution here.