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>> Just wondering if this is possible:
>> We have some hypervisors which are dedicated for running database instances.
>> I'd like to use a ram_allocation_ratio of 1.0 for these but 1.5 for the other hypervisors.

> I use a combination of host aggregates, instance extraspecs, and the
> scheduler filters
> AggregateInstanceExtraSpecsFilter,AggregateCoreFilter,AggregateRamFilter
> to achieve this in a predictable manner.


Thx for pointing me in the right direction.
I'll have a look at the AggregateRamFilter, since we already use aggregates it should not be a problem to add this.

Cheers,
Robert van Leeuwen