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Constants ¶
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Functions ¶
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Types ¶
type InsufficientResource ¶
type InsufficientResource struct {
ResourceName v1.ResourceName
// We explicitly have a parameter for reason to avoid formatting a message on the fly
// for common resources, which is expensive for cluster autoscaler simulations.
Reason string
Requested int64
Used int64
Capacity int64
}
InsufficientResource describes what kind of resource limit is hit and caused the pod to not fit the node.
func FitsRequest ¶
func FitsRequest(podRequest *PodRequest, nodeInfo framework.NodeInfo, ignoredExtendedResources, ignoredResourceGroups sets.String) []InsufficientResource
type PodRequest ¶
type PodRequest struct {
framework.Resource
ResourceType podutil.PodResourceType
IgnorePodsLimit bool
Err error
}
PodRequest computed at PreFilter and used at Filter.
func ComputePodResourceRequest ¶
func ComputePodResourceRequest(state *framework.CycleState, pod *v1.Pod) *PodRequest
computePodResourceRequest returns a framework.Resource that covers the largest width in each resource dimension. Because init-containers run sequentially, we collect the max in each dimension iteratively. In contrast, we sum the resource vectors for regular containers since they run simultaneously.
Example:
Pod:
InitContainers
IC1:
CPU: 2
Memory: 1G
IC2:
CPU: 2
Memory: 3G
Containers
C1:
CPU: 2
Memory: 1G
C2:
CPU: 1
Memory: 1G
Result: CPU: 3, Memory: 3G
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