number of imapd processes never decrease

Sebastian Hagedorn Hagedorn at
Thu Sep 17 08:19:42 EDT 2015

Hallo Konrad,

--On 17. September 2015 07:51:15 +0200 Konrad Mauz <kmauz at> 

> Problem 1: The number of imapd processes increases during the day (
> normal! ) but keep increasing during the night ( not normal ).
> I have a graph attached.
> Cyrus is running an a recently updated Ubuntu 14.04. lts server. Is there
> anything I can do?

we are still on 2.4.x, but we had a similar problem that we resolved this 

  imap          cmd="imapd -U 10" listen=""  ...

The "-U 10" means every process is only re-used up to 10 times instead of 
the default of 250. This change caused the number of processes to drop 
quite a bit.

Mit freundlichen Grüßen

Sebastian Hagedorn
    .:.Sebastian Hagedorn - Weyertal 121 (Gebäude 133), Zimmer 2.02.:.
                 .:.Regionales Rechenzentrum (RRZK).:.
   .:.Universität zu Köln / Cologne University - ✆ +49-221-470-89578.:.
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