[Dovecot] POP3 Dovecot Auth CPU usage 75%+

[Timo Sirainen]

On 13.4.2012, at 17.32, Root Kev wrote:

>  643 dovecot   20   0  3096 1616 1208 S 50.7  0.2   0:01.76
> auth

Well, I can't think of any good reason for this. Try strace -p 643 (or whatever pid of the process eating CPU) for a few seconds and send its output? Also maybe get a couple of gdb backtraces to see where it's doing stuff:

gdb -p 643
bt
quit

and repeat it a few times