Re: overview file access when spooling and nnml/nnimap performance

[Simon Josefsson <jas@pdc.kth.se>]

Hannu Koivisto <azure@iki.fi> writes:

> Thanks, I'll check those out.  I hope that splitting doesn't
> require anything special and could be done with procmail instead of
> that Sieve thingy.  I'd rather avoid converting my 9k .procmailrc
> into another system.

There's a web page describing how to use procmail with Cyrus, so it
can be done even though it's not the intended solution.

> | slow.  Recently, I moved all articles from one 3500 message nnml group
> | to an 8000 message group, and that was real slow.  Towards the end,
> 
> yeah, and when you have 80000 articles instead of 8000, the real
> fun begins :)

Auch. You might be running into filesystem scalability issues then. I
can't tell if it would be a solution for you, but I use something
along the lines of

       (list (format-time-string "INBOX.private.%Y-%m")   ....

for all mailboxes that gather lots of mail which aren't expired. I
began doing this when I used nnml, but, as you can see, kept the
configuration with nnimap.