github/kubernetes
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

feature(scheduler): implement ClusterEventWithHint to filter out useless events

Browse Source
This commit is contained in:
Kensei Nakada
2023-06-08 04:54:30 +00:00
parent 7cd51541cd
commit 6f8d38406a
29 changed files with 1281 additions and 511 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
pkg/scheduler/framework/plugins/dynamicresources/dynamicresources.go
View File

@@ -245,22 +245,21 @@ func (pl *dynamicResources) Name() string {
// EventsToRegister returns the possible events that may make a Pod
// failed by this plugin schedulable.
func (pl *dynamicResources) EventsToRegister() []framework.ClusterEvent {
func (pl *dynamicResources) EventsToRegister() []framework.ClusterEventWithHint {
if !pl.enabled {
return nil
}
events := []framework.ClusterEvent{
events := []framework.ClusterEventWithHint{
// Allocation is tracked in ResourceClaims, so any changes may make the pods schedulable.
{Resource: framework.ResourceClaim, ActionType: framework.Add | framework.Update},
{Event: framework.ClusterEvent{Resource: framework.ResourceClaim, ActionType: framework.Add | framework.Update}},
// When a driver has provided additional information, a pod waiting for that information
// may be schedulable.
// TODO (#113702): can we change this so that such an event does not trigger *all* pods?
// Yes: https://github.com/kubernetes/kubernetes/blob/abcbaed0784baf5ed2382aae9705a8918f2daa18/pkg/scheduler/eventhandlers.go#L70
{Resource: framework.PodSchedulingContext, ActionType: framework.Add | framework.Update},
{Event: framework.ClusterEvent{Resource: framework.PodSchedulingContext, ActionType: framework.Add | framework.Update}},
// A resource might depend on node labels for topology filtering.
// A new or updated node may make pods schedulable.
{Resource: framework.Node, ActionType: framework.Add | framework.UpdateNodeLabel},
{Event: framework.ClusterEvent{Resource: framework.Node, ActionType: framework.Add | framework.UpdateNodeLabel}},
}
return events
}