bug#32631: the Dovecot service stops working

["Clément Lassieur" <clement@lassieur.org>]

Hi Oleg,

Oleg Pykhalov <go.wigust@gmail.com> writes:

> Hello Clément,
>
> Clément Lassieur <clement@lassieur.org> writes:
>
> […]
>
>>>>>> Sometimes the Dovecot service stops working, which is difficult to
>>>>>> notice.
>>>>>
>>>>> When it “stops working”, does the Shepherd service go down?  Does “herd
>>>>> status dovecot” shows that it was respawned?  Is the dovecot process
>>>>> still around?
>>>>
>>>> The dovecot process is still around, yes.  I has happened several times
>>>> already (maybe 5), 
>
> Do you mean the warning you posted before?

I meant that my dovecot process stopped working 5 times already.

> --8<---------------cut here---------------start------------->8---
> Sep 4 11:47:12 mail2 dovecot: master: Warning: service(imap-login): process_limit (100) reached, client connections are being dropped
> --8<---------------cut here---------------end--------------->8---
>
> The ‘dovecot-configuration’ record has a ‘default-process-limit’ which
> is setted to 100 by default.  Could you try to increase it?

Well, I can, but that wouldn't fix the problem.  Two dovecot clients
shouldn't consume 100 processes.

> Also a ‘process_limit’ configuration string is described on Dovecot Wiki.
>
>   https://wiki.dovecot.org/LoginProcess

Thank you very much for that information, I'll have a look.

Clément