I feel that due to the design of the FilterScheduler that makes every filter
independent of the others, it's necessarly up to the operator to make sure that
if they need to use both AggregateCoreFilter and/or AggregateRamFilter *and*
NUMATopologyFilter for NUMA placement, they necessarly need to make sure that
both values for CPU and RAM are consistent between the aggregate and each
That surely defeats the purpose of the AggregateCore/RAMFilter to prevent
defining ratios for every compute, but since NUMATopologyFilter requires that,
I don't see how we could improve that, except creating a chain of dependency
which I dislike.
** Changed in: nova
Status: New => Won't Fix
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Engineering Team, which is subscribed to OpenStack Compute (nova).
allocation_ratio set by aggregate metadata don't work in
Status in OpenStack Compute (nova):
Allocation_ratio setted by aggregate metadata don't work in
NUMATopologyFilter. NUMATopologyFilter always takes the allocation_ratio from
the compute node's configuration file.
We do not provide a consistent way to set the allocation_ratio when user use
the AggregateCoreFilter, AggregateRamFilter and NUMATopologyFilter at same time.
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