Re: [gentoo-server] Comments on IMAP Server (cyrus/courier/dovecot)

["A. Khattri" <ajai@bway.net>]

On Thu, 11 Aug 2005, Ian P. Christian wrote:

> It's not to do with mail size, it's to do with number of messages in any one
> mailbox.  The file system underlying it will also effect this.
> One of my mailboxes currently has 10,000 emails in, and it's still not showing
> any signs of becoming any slower.

As I mentioned, some accounts have hundreds of Mb of messages and a few
have > 1Gb of email in them...

> I imagine people's milage might vary with this kinda thing, but that post
> suggested all he changed was the mail server, not the file system, or
> anything else. (I presume he didn't - he installed them side by side)

Exactly.

Of course, I know, good performance begins with good hardware. Our servers
all use SCSI disks (U160 or better), some are RAIDed, some not.

> http://asg.web.cmu.edu/cyrus/ag.html
> "The Cyrus IMAP Aggregator transparently distributes IMAP and POP mailboxes
> across multiple servers. Unlike other systems for load balancing IMAP
> mailboxes, the aggregator allows users to access mailboxes on any of the IMAP
> servers in the system. "

You could do something similar by NFS mounting maildirs across a cluster.


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