Will it blend?

by Martin Sivák

Kubernets internals

Allocated res part of the pod spec

free = TOTAL - SUM(Spec)

OpenStack internal

oVirt internal

Algorithm of all architecture

Filter > Map > Reduce

Filter

select nodes based on constraint pre-defined in your spec based on:

• cpu
• ram
• network
• storage

For exemple: if you have critical acticity such as payment, you must specify rules that protect from that

Map

score

50% of energy budget of a data center is cooling ==> try to turn not used devices and groupd VM on computer that can shutdown.

CPU vs Memory score …

Then normalize score, different on every company

Reduce

Select best node