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Avoid unnecessary conversions

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This commit is contained in:
Wojciech Tyczynski 2016-07-11 12:19:03 +02:00
parent dcb2ca54ad
commit d02e8d2885
2 changed files with 23 additions and 14 deletions
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19
plugin/pkg/scheduler/algorithm/priorities/node_affinity.go
View File

@ -36,8 +36,8 @@ func CalculateNodeAffinityPriority(pod *api.Pod, nodeNameToInfo map[string]*sche
return nil, err
}
var maxCount int
counts := make(map[string]int, len(nodes.Items))
var maxCount float64
counts := make(map[string]float64, len(nodes.Items))
affinity, err := api.GetAffinityFromPodAnnotations(pod.Annotations)
if err != nil {
@ -61,7 +61,7 @@ func CalculateNodeAffinityPriority(pod *api.Pod, nodeNameToInfo map[string]*sche
for _, node := range nodes.Items {
if nodeSelector.Matches(labels.Set(node.Labels)) {
counts[node.Name] += int(preferredSchedulingTerm.Weight)
counts[node.Name] += float64(preferredSchedulingTerm.Weight)
}
if counts[node.Name] > maxCount {
@ -74,12 +74,17 @@ func CalculateNodeAffinityPriority(pod *api.Pod, nodeNameToInfo map[string]*sche
result := make(schedulerapi.HostPriorityList, 0, len(nodes.Items))
for i := range nodes.Items {
node := &nodes.Items[i]
fScore := float64(0)
if maxCount > 0 {
fScore = 10 * (float64(counts[node.Name]) / float64(maxCount))
fScore := 10 * (counts[node.Name] / maxCount)
result = append(result, schedulerapi.HostPriority{Host: node.Name, Score: int(fScore)})
if glog.V(10) {
// We explicitly don't do glog.V(10).Infof() to avoid computing all the parameters if this is
// not logged. There is visible performance gain from it.
glog.Infof("%v -> %v: NodeAffinityPriority, Score: (%d)", pod.Name, node.Name, int(fScore))
}
} else {
result = append(result, schedulerapi.HostPriority{Host: node.Name, Score: 0})
}
result = append(result, schedulerapi.HostPriority{Host: node.Name, Score: int(fScore)})
glog.V(10).Infof("%v -> %v: NodeAffinityPriority, Score: (%d)", pod.Name, node.Name, int(fScore))
}
return result, nil
}

18
plugin/pkg/scheduler/algorithm/priorities/taint_toleration.go
View File

@ -25,7 +25,7 @@ import (
)
// CountIntolerableTaintsPreferNoSchedule gives the count of intolerable taints of a pod with effect PreferNoSchedule
func countIntolerableTaintsPreferNoSchedule(taints []api.Taint, tolerations []api.Toleration) (intolerableTaints int) {
func countIntolerableTaintsPreferNoSchedule(taints []api.Taint, tolerations []api.Toleration) (intolerableTaints float64) {
for i := range taints {
taint := &taints[i]
// check only on taints that have effect PreferNoSchedule
@ -59,9 +59,9 @@ func ComputeTaintTolerationPriority(pod *api.Pod, nodeNameToInfo map[string]*sch
}
// the max value of counts
var maxCount int
var maxCount float64
// counts hold the count of intolerable taints of a pod for a given node
counts := make(map[string]int, len(nodes.Items))
counts := make(map[string]float64, len(nodes.Items))
tolerations, err := api.GetTolerationsFromPodAnnotations(pod.Annotations)
if err != nil {
@ -87,15 +87,19 @@ func ComputeTaintTolerationPriority(pod *api.Pod, nodeNameToInfo map[string]*sch
// The maximum priority value to give to a node
// Priority values range from 0 - maxPriority
const maxPriority = 10
const maxPriority = float64(10)
result := make(schedulerapi.HostPriorityList, 0, len(nodes.Items))
for i := range nodes.Items {
node := &nodes.Items[i]
fScore := float64(maxPriority)
fScore := maxPriority
if maxCount > 0 {
fScore = (1.0 - float64(counts[node.Name])/float64(maxCount)) * 10
fScore = (1.0 - counts[node.Name]/maxCount) * 10
}
if glog.V(10) {
// We explicitly don't do glog.V(10).Infof() to avoid computing all the parameters if this is
// not logged. There is visible performance gain from it.
glog.Infof("%v -> %v: Taint Toleration Priority, Score: (%d)", pod.Name, node.Name, int(fScore))
}
glog.V(10).Infof("%v -> %v: Taint Toleration Priority, Score: (%d)", pod.Name, node.Name, int(fScore))
result = append(result, schedulerapi.HostPriority{Host: node.Name, Score: int(fScore)})
}