[Dovecot] Is there a way to limit multiple POP3 connections?
tss at iki.fi
Thu Jan 10 05:59:27 EET 2008
On Wed, 2008-01-09 at 15:58 -0800, patrickm wrote:
> We currently have a 3 system Mail server set up - two machines are the load
> balanced frontends running Dovecot and Postfix, and the third machine is
> our NFS. Over the past 4 months or so, I've tweaked and optimized our mail
> servers, and we receive roughly 3 million emails a day combined through
> this setup.
> Sometimes, the IO Wait is horrible on the load balanced servers - it can
> get up into the 80-90% range sometimes - it's usually when a lot of email
> is being passed, or there are a lot of POP3 and IMAP connections.
I updated http://wiki.dovecot.org/POP3Server. See maildir performance
and session locking.
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