[Dovecot] reload without shutting imap connections down

Hajo Locke hajo.locke at gmx.de
Tue Jul 16 14:44:30 EEST 2013


we have some problems with users who report connectionproblems to dovecot 
sometimes. According to the logs there are dovecot reloads at this times.
Seems that a reload also causes dovecot to shut all imapconnections down:

Jul 16 13:31:40 myhostname dovecot: master: Warning: SIGHUP received - 
reloading configuration
Jul 16 13:31:40 myhostname dovecot: imap: Server shutting down. 

I tried to reload by initscript or sending -HUP manually to pid, dovecot is 
shutting down imapconnections and i think this is the reason for users to 
report this problems with some clients.
This seems to be new with versions 2.x, i have some old 1.2.x dovecots 
running and cant find "Server shutting down" in their logs after reload.

I have still potential to reduce reloads, but cant avoid them completely. Is 
there a workaround?


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