util

package
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Published: Apr 11, 2024 License: Apache-2.0 Imports: 1 Imported by: 0

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Constants

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const (
	// DefaultMilliCPURequest defines default milli cpu request number.
	DefaultMilliCPURequest int64 = 100 // 0.1 core
	// DefaultMemoryRequest defines default memory request size.
	DefaultMemoryRequest int64 = 200 * 1024 * 1024 // 200 MB
)

For each of these resources, a pod that doesn't request the resource explicitly will be treated as having requested the amount indicated below, for the purpose of computing priority only. This ensures that when scheduling zero-request pods, such pods will not all be scheduled to the node with the smallest in-use request, and that when scheduling regular pods, such pods will not see zero-request pods as consuming no resources whatsoever. We chose these values to be similar to the resources that we give to cluster addon pods (#10653). But they are pretty arbitrary. As described in #11713, we use request instead of limit to deal with resource requirements.

Variables

This section is empty.

Functions

func GetNonzeroRequests

func GetNonzeroRequests(requests *corev1.ResourceList) (int64, int64)

GetNonzeroRequests returns the default cpu and memory resource request if none is found or what is provided on the request.

func GetRequestForResource

func GetRequestForResource(resource corev1.ResourceName, requests *corev1.ResourceList, nonZero bool) int64

GetRequestForResource returns the requested values unless nonZero is true and there is no defined request for CPU and memory. If nonZero is true and the resource has no defined request for CPU or memory, it returns a default value.

Types

This section is empty.

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