On Wed, 2007-05-16 at 12:42 +0200, Ralf Hildebrandt wrote:
I'm getting "imap-login: Disconnected: Connection queue full:" messages like these:
May 16 12:17:26 postamt dovecot: imap-login: Disconnected: Connection queue full: rip=160.45.172.202, lip=141.42.4.250 May 16 12:17:26 postamt dovecot: imap-login: Disconnected: Connection queue full: rip=141.42.165.160, lip=141.42.4.250, TLS May 16 12:18:23 postamt dovecot: imap-login: Disconnected: Connection queue full: rip=193.175.70.61, lip=141.42.4.250
Should I worry about these messages or are they of informational character only?
Does it mean that the imap-login encountered more than "login_max_connections" and thus a new process had to be spawned?
No. It means that it disconnected a client that wasn't yet logged in because login_max_connections was reached. It should happen only if login_max_processes_count was reached. Perhaps there's still a bug somewhere in there.. How many imap-login processes do you have running? Increasing login_processes_count probably helps for now.
login_process_per_connection: no login_max_connections: 32
With these settings it should have allowed 32*128 connections / ssl proxies until the connection queue full error would have happened.