[systemd-devel] Starting different services from same process

[Paassen, Hiram van]

Hi,

We use systemd to manage some python processes in an embedded
environment (imx28 cpu). This works fantastic except for a fairly long
startup sequence due to python being slow during the initialization of
its standard libraries.

We found a possible solution inspired by
http://draketo.de/light/english/politics-and-free-software/reducing-python-startup-time

which basically means taking the startup overhead only once instead of x
times by starting a minimal python process which forks itself into
different programs.

However, I fail to see how this would play nice with systemd and its use
of cgroups.

We currently use type=dbus services so I expect that starting is not
really the problem but it would be annoying if systemd cannot stop one
service without killing them all since they are in the same cgroup

Is it possible to start multiple different services from one process?

With kind regards,

Hiram van Paassen

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