[OpenAFS] Replica sites

Matthew Weigel unique@idempot.net
Tue, 10 May 2005 15:08:08 -0500 (CDT)

ed said:
> On Tue, 10 May 2005 13:56:41 -0500 (CDT)
> "Matthew Weigel" <unique@idempot.net> wrote:
>> > This mailbox is getting loaded, primarily through IMAP access. I
>> > need to spread the IMAP folders out, so that one of 5 (more or less)
>> > front line mail servers can talk to one of a number of file servers.
>> Why is all of that in one directory?
> Maildir is like that
> ./Maildir/cur
> ./Maildir/new
> ./Maildir/tmp

Surely that's three directories per user?

How does that become a million files?

Courier-IMAP is used by huge sites with hundreds of thousands of users
(who surely generate hundreds of million of files altogether)... perhaps
you should look at how they deal with this?

>> > What software would your recommend for this?
>> Cyrus (http://asg.web.cmu.edu/cyrus/) springs to mind as a good IMAP
>> server.
> Does it offer anything that courier doesn't?

IMAP server comparisons is outside the scope of this list.

The point is, this looks very much like a Courier issue; you can't expect
good results from any filesystem with a million files in a single
 Matthew Weigel