We run a mail service with some hundreds of domains and thousands of
users. Xeon 2 CPU server hosting the imap, pop, webmail, db and all
trimmings (sepparate servers scanning for spam/viri)
The server was io saturated and performing poorly, especially for
large webmail users. A constant
On Wed, 2009-12-09 at 12:43 -0800, Benjamin Connelly wrote:
Like a miracle, the load average stays below 1 now, nor do the disks
saturate! All's well and webmail performs snappily even during peak
usage!
If you still want to reduce disk IO, you can also try (if you haven't
already):
-
If you still want to reduce disk IO, you can also try (if you haven't
already):
- deliver: http://wiki.dovecot.org/LDA/Indexing
- maildir_very_dirty_syncs=yes:
http://wiki.dovecot.org/MailLocation/Maildir
We did switch from maildrop (and courier authd and cyrus sasl) to just
dovecot (+sieve