[Dovecot] "dovecot: Maximum number of mail processes exceeded"

[Ralf Hildebrandt]

* Heiko Schlichting <dovecot-l at FU-Berlin.DE>:
> Hi Ralf,
> 
> > At noon, I often get "dovecot: Maximum number of mail processes
> > exceeded"
> > 
> > I'm at my wits end, which parameter needs to be increased further?
> 
> You have to increase "max_mail_processes" as this code emits the error
> message:
> 
>         if (mail_process_count == set->max_mail_processes) {
>                 i_error("Maximum number of mail processes exceeded");
>                 return MASTER_LOGIN_STATUS_INTERNAL_ERROR;
>         }
> 
> [...]
> > max_mail_processes: 1024
> [...]
> 
> But the question is: how much user are accessing your server
> simultaneously? Is it really more than 1024 or is mail_process_count wrong?

     ├─runsvdir─┬─runsv───run───perl
     │          ├─runsv───ntpd
     │          └─runsv───dovecot─┬─2*[dovecot-auth]
     │                            ├─945*[imap]
     │                            ├─32*[imap-login]
     │                            └─32*[pop3-login]
			      

> Your overpowered server is surely able to handle more than 1024 connections.
> 
> Heiko
> 
> Heiko Schlichting          Freie Universität Berlin
> heiko at FU-Berlin.DE         Zentraleinrichtung für Datenverarbeitung (ZEDAT)
> Telefon +49 30 838-54327   Fabeckstraße 32
> Telefax +49 30 838454327   14195 Berlin

-- 
Ralf Hildebrandt (Ralf.Hildebrandt at charite.de)          snickebo at charite.de
Postfix - Einrichtung, Betrieb und Wartung       Tel. +49 (0)30-450 570-155
http://www.arschkrebs.de                              I'm looking for a job
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