[Dovecot] Anvil client_limit reached

Jürgen Obermann Juergen.Obermann at hrz.uni-giessen.de
Thu Nov 4 21:07:41 EET 2010


Quoting Timo Sirainen <tss at iki.fi>:

> On Wed, 2010-11-03 at 14:12 +0100, Jürgen Obermann wrote:
>> >> 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
>
> No. Looks like default_process_limit was never used. The default was
> unlimited number of processes. This is now fixed:
> http://hg.dovecot.org/dovecot-2.0/rev/b4b6bf889044
>
> Removed unnecessary anvil connection from each auth worker process:
> http://hg.dovecot.org/dovecot-2.0/rev/3ce7879e3ac0
>
> Added a warning to startup if anvil's client_limit is too low:
> http://hg.dovecot.org/dovecot-2.0/rev/97b286b6ec45
>
> And if verbose_proctitle=yes anvil now shows in ps output how many
> connections it's currently serving:
> http://hg.dovecot.org/dovecot-2.0/rev/4d91cec713cf
> http://hg.dovecot.org/dovecot-2.0/rev/7b1aae5f7bd5
>
> Hopefully those will get rid of this problem in future.
>
Yes, they do. Thank you!
How can I find out what the appropriate limits for our mail-server are?

Greetings, Jürgen

-- 
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