balloons: support affinity to extended resources from device plugins#720
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askervin wants to merge 4 commits into
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balloons: support affinity to extended resources from device plugins#720askervin wants to merge 4 commits into
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Enable CPU selection based on locality of individual container's physical devices. podresourceapi:<resource> syntax allows specifying which physical device(s) is preferred to be local to container's CPUs. In order to allocate all container's CPUs near container's physical device, the container must be placed into a new balloon. Technically, this changes balloon creation internals: so far CPU selection to a new balloon has been affected by balloon types and instances only, but after this change the first container put into a new balloon may affect it, too. Signed-off-by: Antti Kervinen <antti.kervinen@intel.com>
Signed-off-by: Antti Kervinen <antti.kervinen@intel.com>
Signed-off-by: Antti Kervinen <antti.kervinen@intel.com>
Signed-off-by: Antti Kervinen <antti.kervinen@intel.com>
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preferCloseToDevices supports "podresourceapi:example.com/device"
Enable CPU selection based on locality of individual container's physical devices. podresourceapi:RESOURCE syntax allows specifying which physical device(s) (matching logical resources to given glob-expression) is preferred to be local to container's CPUs.
In order to allocate all container's CPUs near container's physical device, the container must be placed into a new balloon. Technically, this changes balloon creation internals: so far CPU selection to a new balloon has been affected by balloon types and instances only, but after this change the first container put into a new balloon may affect it, too.