Bug#940021: systemd: socket activation leads to OOM situation due to slices not getting cleaned up

[Michael Biebl]

Am 12.09.19 um 14:29 schrieb Michael Biebl:
> Am 11.09.19 um 15:54 schrieb Julian Hübenthal:
>> Just discovered something that may help to debug:
>>
>>  
>>
>> It does not happen with a simple “Hello World” bash script instead of
>> the Check MK Agent.
>>
>> It does not happen when the Encryption of the Check MK Agent is disabled.
>>
>> It happens when the Encryption of Check MK is enabled, which should be
>> AES 128/256 output.
> 
> 
> I wonder if the MK agent does some tricks like locking the memory when
> encryption is on and then does not properly release its resources?

Just to ask the obvious: The slice(s) themselves are empty, i.e. the
check-mk agent process has exited (successfully)?

What's the status of such a service that is not cleaned up?
Taking your first email that would be
systemctl status check_mk at 10-10.28.5.6:6556-10.28.5.1:42844.service

I'd be interested in the output of

find /sys/fs/cgroup/system.slice/system-check_mk.slice/ as well


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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