initd script does not stop/restart all dovecot processes

[Steffen Kaiser]

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On Fri, 2 Sep 2016, Sami Ketola wrote:
>> On 01 Sep 2016, at 17:25, Florent B <florent at coppint.com> wrote:
>>
>> Hi everyone,
>>
>> On Debian Jessie servers, I use initd script provided by Dovecot 2.2 (in
>> doc/dovecot-initd.sh) and when I stop or restart dovecot service, it
>> still remains some process :
>>
>> ps aux | grep dove
>> dovecot   1798  0.0  0.1   9408  2116 ?        S    16:15   0:00
>> dovecot/anvil [1 connections]
>> root      1799  0.0  0.1   9544  2288 ?        S    16:15   0:00 dovecot/log
>> dovecot   1812  0.0  0.2  39144  5720 ?        S    16:15   0:00
>> dovecot/auth [0 wait, 0 passdb, 0 userdb]
>> root      1844  0.0  0.1  12728  2076 pts/0    S+   16:16   0:00 grep dove
>>
>>
>> Is it expected ? "restart" does not work of course, and "start" after
>> "stop" too.
>>
>> How can I fix this ?
>
> Debian Jessie comes with systemd so you really should not use initscript anymore but
> switch to systemd for starting dovecot. There is systemd service description file available
> for you in case your vendor does not provide it in the package:
>
> https://github.com/dovecot/core/blob/master/dovecot.service.in

I have the same experience, that Dovecot keeps running for a while. An 
immediate stop & start always fails. IMHO, that behaviour started with the 
introduction of anvil.

If the ps command lists all processes, that is what I see on Jessie and 
Squeeze as well.

@Florent: Please check, if the Dovecot processess dies after some timeout. 
I have patched the scripts to wait 5s then send an extra HUP and after 5s 
INT.

- -- 
Steffen Kaiser
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