> > it's definitely not postgres (and "one core" problem for postgres > related > with one heavy connect or data modifying, not for "select from") > > I see only one process that uses CPU100% with a high amount of logins > and > it's auth. And I see only one 100% loaded core on the server. > >
It is because it is waiting for io I think. I just tried to test a bit on 1 thread and getting easily (as in stopped testing for more) 48 auths/s. dovecots auth is only 10% and slapd a little more. Maybe you have packet loss, maybe try enabling caching. _______________________________________________ dovecot mailing list -- dovecot@dovecot.org To unsubscribe send an email to dovecot-le...@dovecot.org
