- Timo Sirainen tss@iki.fi:
On 5.11.2010, at 9.58, Ralf Hildebrandt wrote:
I uploaded a preliminary screenshot with comments: http://www.arschkrebs.de/bugs/dovecot.png
Were you using v1.2's deliver here in left also? Or how much of a difference did that make alone?
2.0 was indeed using v1.2's deliver, and that made SOME difference (less load)
Now with 1.2 I'm of course using v1.2's deliver
How many imap logins per minute (or something) do you get? imap: about 70 / minute imaps: about 50 / minute pop3: none pop3s: about 10 / minute
these are all peak values during noon!
What about pop3? Are you using a webmail that opens lots of short connections (and are people using webmail much)?
webmail (Squirrelmail) is using imapproxy.
I'm wondering if the problem has to do with the way processes now do IPC
That could very well be. Lots of time is spent in the kernel
or is there just some bug(s) in the mail handling code..
-- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebrandt@charite.de | http://www.charite.de