github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2026-01-04 23:17:50 +00:00
Code Issues Projects Releases Wiki Activity

Prefer nominated node in the new scheduling cycle

Browse Source 
Signed-off-by: Dave Chen <dave.chen@arm.com>
This commit is contained in:
Dave Chen
2020-07-17 17:11:45 +08:00
parent d72c056260
commit 6d800ffe07
5 changed files with 305 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
pkg/features/kube_features.go
View File

@@ -269,6 +269,16 @@ const (
// Enables generic ephemeral inline volume support for pods
GenericEphemeralVolume featuregate.Feature = "GenericEphemeralVolume"
// owner: @chendave
// alpha: v1.21
//
// PreferNominatedNode tells scheduler whether the nominated node will be checked first before looping
// all the rest of nodes in the cluster.
// Enabling this feature also implies the preemptor pod might not be dispatched to the best candidate in
// some corner case, e.g. another node releases enough resources after the nominated node has been set
// and hence is the best candidate instead.
PreferNominatedNode featuregate.Feature = "PreferNominatedNode"
// owner: @tallclair
// alpha: v1.12
// beta: v1.14
@@ -779,6 +789,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
GracefulNodeShutdown: {Default: false, PreRelease: featuregate.Alpha},
ServiceLBNodePortControl: {Default: false, PreRelease: featuregate.Alpha},
MixedProtocolLBService: {Default: false, PreRelease: featuregate.Alpha},
PreferNominatedNode: {Default: false, PreRelease: featuregate.Alpha},
// inherited features from generic apiserver, relisted here to get a conflict if it is changed
// unintentionally on either side: