[Openstack] NUMA some of the time?

Toni Mueller toni.mueller at oeko.net
Wed Jul 4 15:08:34 UTC 2018


Hi,

I am still trying to figure how to best utilise the small set of
hardware, and discovered the NUMA configuration mechanism. It allows me
to configure reserved cores for certain VMs, but it does not seem to
allow me to say "you can share these cores, but VMs of, say, appropriate
flavour take precedence and will throw you off these cores in case they
need more power".

How can I achieve that, dynamically?

TIA!


Thanks,
Toni




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