Quoting Timo Sirainen <t...@iki.fi>: > On 3.11.2010, at 9.35, Juergen Obermann wrote: > >> Nov 3 09:43:33 minerva dovecot: [ID 583609 local0.warning] master: >> Warning: service(anvil): client_limit reached, client connections >> are being dropped >> >> At that time I counted 2030 imap processes from 995 users and 1106 >> imap-login processes. What can I do to set an appropriate >> client_limit for anvil? > > Well, it's easy to answer the question: > > service anvil { > client_limit = 8000 # or something > } > > But you would probably benefit from not having that many login > processes: http://wiki2.dovecot.org/LoginProcess > I now switched the login processes from high security to high performance mode, because the problem appeared again.
> There are some other weird things going on here though: > >> default_client_limit = 3000 >> default_process_limit = 300 > > If the default process limit is 300 and you haven't overridden that > (I didn't see service imap-login in your settings), how do you have > 1106 imap-login processes? > Perhaps the imap-login processes should have gone away but still hang araound and serve SSL sessions > Also you didn't mention how many pop3-login processes there were. > With anvil's client_limit being 3000, this error shouldn't have > happened unless there were a total of about 3000 imap/pop3-login > processes. > Normally only a few but if dovecot hangs there are up to 64 pop3-login processes (64 is the number of cpus) > So maybe there are some bugs related to this.. Also I should add a > check to startup that it warns if anvil's client_limit is too low. > -- Hochschulrechenzentrum der | Mail: juergen.oberm...@hrz.uni-giessen.de Justus-Liebig-Universitaet | WWW: http://www.uni-giessen.de/obermann/ Heinrich-Buff-Ring 44 | Tel: 0641-99-13054 (0641-99-13001) D-35392 Giessen, Germany | Fax: 0641-99-13009 ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.