github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-23 19:56:01 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #89370 from ahg-g/ahg-prescore

Browse Source 
Execute PreScore right before Score instead of after Filter.
This commit is contained in:
Kubernetes Prow Robot 2020-03-23 20:31:10 -07:00 committed by GitHub
commit 62108be6d9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
pkg/scheduler/core/generic_scheduler.go
View File

@ -166,12 +166,6 @@ func (g *genericScheduler) Schedule(ctx context.Context, prof *profile.Profile,
}
// Run "prefilter" plugins.
preFilterStatus := prof.RunPreFilterPlugins(ctx, state, pod)
if !preFilterStatus.IsSuccess() {
return result, preFilterStatus.AsError()
}
trace.Step("Running prefilter plugins done")
startPredicateEvalTime := time.Now()
filteredNodes, filteredNodesStatuses, err := g.findNodesThatFitPod(ctx, prof, state, pod)
if err != nil {
@ -187,13 +181,6 @@ func (g *genericScheduler) Schedule(ctx context.Context, prof *profile.Profile,
}
}
// Run "prescore" plugins.
prescoreStatus := prof.RunPreScorePlugins(ctx, state, pod, filteredNodes)
if !prescoreStatus.IsSuccess() {
return result, prescoreStatus.AsError()
}
trace.Step("Running prescore plugins done")
metrics.DeprecatedSchedulingAlgorithmPredicateEvaluationSecondsDuration.Observe(metrics.SinceInSeconds(startPredicateEvalTime))
metrics.DeprecatedSchedulingDuration.WithLabelValues(metrics.PredicateEvaluation).Observe(metrics.SinceInSeconds(startPredicateEvalTime))
@ -412,6 +399,11 @@ func (g *genericScheduler) numFeasibleNodesToFind(numAllNodes int32) (numNodes i
// Filters the nodes to find the ones that fit the pod based on the framework
// filter plugins and filter extenders.
func (g *genericScheduler) findNodesThatFitPod(ctx context.Context, prof *profile.Profile, state *framework.CycleState, pod *v1.Pod) ([]*v1.Node, framework.NodeToStatusMap, error) {
s := prof.RunPreFilterPlugins(ctx, state, pod)
if !s.IsSuccess() {
return nil, nil, s.AsError()
}
filteredNodesStatuses := make(framework.NodeToStatusMap)
filtered, err := g.findNodesThatPassFilters(ctx, prof, state, pod, filteredNodesStatuses)
if err != nil {
@ -643,10 +635,16 @@ func (g *genericScheduler) prioritizeNodes(
return result, nil
}
// Run PreScore plugins.
preScoreStatus := prof.RunPreScorePlugins(ctx, state, pod, nodes)
if !preScoreStatus.IsSuccess() {
return nil, preScoreStatus.AsError()
}
// Run the Score plugins.
scoresMap, scoreStatus := prof.RunScorePlugins(ctx, state, pod, nodes)
if !scoreStatus.IsSuccess() {
return framework.NodeScoreList{}, scoreStatus.AsError()
return nil, scoreStatus.AsError()
}
// Summarize all scores.