[systemd-devel] systemd slice and PIDs under it

[Bhasker C V]

Hi all,

 Does the PIDs running inside the systemd-nspawn slice inherit the
cgroup/slice properties ? I am running a systemd-nspawn container with 2
firefox instances (two separate ones) and also a lot of other processes
and I have given an option --property MemoryMax=10M. I can see that at
the top-level systemd-spawn is showing this ...

(started as systemd-nspawn --machine bcv.test --capability=CAP_IPC_LOCK
-jbD /var/work/test/run --bind=/dev/net/tun --private-network
--network-bridge=virt  --bind /sys --bind-ro=/lib/modules/ --bind
/dev/kmsg:/dev/kmsg --property MemoryMax=10M --slice=test.slice)

Transient: yes

   Active: active (running) since Mon 2019-11-04 10:44:12 GMT; 21min ago

    Tasks: 0 (limit: 16384)

   Memory: 6.9M (max: 10.0M)

Whereas I am struggling to believe that two firefox instances(with some
tabs active on them) and a lot of processes (as reported in the tree
under the systemctl status for that scope ) are only using 6.9M in
total. How much ever processes I start, they do not seem to have any
effect on the "Memory: 6.9M"

Am I missing something ?

Please correct me. Thanks.

Regards

Bhasker C V


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