Let's say I have a host with 32 GB RAM.
To make sure the host is not affected by any weird memory consumption
patterns, I've set the following in the container:
limits.memory: 29GB
This works quite well - where previously, several processes with high
memory usage, forking rapidly (a forkbomb to test, but also i.e. a
supervisor in normal usage) running in the container could make the host
very slow or even unreachable - with the above setting, everything (on
the host) is just smooth no matter what the container does.
However, that's just with one container.
With two (or more) containers having "limits.memory: 29GB" set - it's
easy for each of them to consume i.e. 20 GB, leading to host
unavailability.
Is it possible to set a global, or per-container group "limits.memory:
29GB"?
For example, if I add "MemoryMax=29G" to
/etc/systemd/system/snap.lxd.daemon.service - would I achieve a desired
effect?
Tomasz Chmielewski
https://lxadm.com
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