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Add documentation about "non-zero requests"

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This commit is contained in:
Jonathan Basseri
2019-05-23 12:24:01 -07:00
parent 1ae2a5d0f6
commit 66d359eb23
2 changed files with 14 additions and 10 deletions
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13
pkg/scheduler/algorithm/priorities/util/non_zero.go
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@@ -26,15 +26,16 @@ import "k8s.io/api/core/v1"
// 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.
// DefaultMilliCPURequest defines default milli cpu request number.
const DefaultMilliCPURequest int64 = 100 // 0.1 core
// DefaultMemoryRequest defines default memory request size.
const DefaultMemoryRequest int64 = 200 * 1024 * 1024 // 200 MB
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
)
// GetNonzeroRequests returns the default resource request if none is found or
// what is provided on the request.
func GetNonzeroRequests(requests *v1.ResourceList) (int64, int64) {
func GetNonzeroRequests(requests *v1.ResourceList) (milliCPU int64, memory int64) {
var outMilliCPU, outMemory int64
// Override if un-set, but not if explicitly set to zero
if _, found := (*requests)[v1.ResourceCPU]; !found {