Re: FreeBSD 9.3 STABLE, cyrus-imapd 2.5.9, Listen queue overflow

2016-08-10 Thread Scott Lambert via Info-cyrus
Wild guesses, 1) Prefork = 0. Maybe new connections are comming in too quickly for imapd to launch and take the connection? Stampeding herd issue. 2) Bad guys are beating you up trying to bruteforce passwords? 3> Have all of the mailboxes been reconstructed? That can be a huge disk I/O

Re: FreeBSD 9.3 STABLE, cyrus-imapd 2.5.9, Listen queue overflow

2016-08-10 Thread Alexander Demin via Info-cyrus
No ideas? :-( 09.08.2016 13:35, Alexander Demin via Info-cyrus пишет: > Hello. > > I have strange problem with cyrus-imapd 2.5.9, after upgrade my server > OS from FreeBSD 7 to FreeBSD 9.3 STABLE and cyrus-imapd from 2.3.x to > 2.5.9. All packages reinstalled after upgrade OS. > A problem that, af

Re: FreeBSD 9.3 STABLE, cyrus-imapd 2.5.9, Listen queue overflow

2016-08-10 Thread Simon Matter via Info-cyrus
Hi, I'm not an expert in this but just a wild guess: Could it be that you have an issue with /dev/random or /dev/urandom? Maybe others on this list can tell more about it and you can search the list archives to find some information on the topic. Regards, Simon > Hello. > > I have strange probl