scottk/kubernetes
1
0
Fork 0
mirror of https://github.com/optim-enterprises-bv/kubernetes.git synced 2025-11-02 11:18:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Avoid unnecessary copies

Browse Source
This commit is contained in:
Wojciech Tyczynski
2016-07-11 10:32:29 +02:00
parent 989202c384
commit dcb2ca54ad
6 changed files with 30 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
plugin/pkg/scheduler/algorithm/priorities/taint_toleration.go
View File

@@ -26,7 +26,8 @@ import (
// CountIntolerableTaintsPreferNoSchedule gives the count of intolerable taints of a pod with effect PreferNoSchedule
func countIntolerableTaintsPreferNoSchedule(taints []api.Taint, tolerations []api.Toleration) (intolerableTaints int) {
for _, taint := range taints {
for i := range taints {
taint := &taints[i]
// check only on taints that have effect PreferNoSchedule
if taint.Effect != api.TaintEffectPreferNoSchedule {
continue
@@ -41,9 +42,10 @@ func countIntolerableTaintsPreferNoSchedule(taints []api.Taint, tolerations []ap
// getAllTolerationEffectPreferNoSchedule gets the list of all Toleration with Effect PreferNoSchedule
func getAllTolerationPreferNoSchedule(tolerations []api.Toleration) (tolerationList []api.Toleration) {
for _, toleration := range tolerations {
for i := range tolerations {
toleration := &tolerations[i]
if len(toleration.Effect) == 0 || toleration.Effect == api.TaintEffectPreferNoSchedule {
tolerationList = append(tolerationList, toleration)
tolerationList = append(tolerationList, *toleration)
}
}
return
@@ -51,17 +53,16 @@ func getAllTolerationPreferNoSchedule(tolerations []api.Toleration) (tolerationL
// ComputeTaintTolerationPriority prepares the priority list for all the nodes based on the number of intolerable taints on the node
func ComputeTaintTolerationPriority(pod *api.Pod, nodeNameToInfo map[string]*schedulercache.NodeInfo, nodeLister algorithm.NodeLister) (schedulerapi.HostPriorityList, error) {
// counts hold the count of intolerable taints of a pod for a given node
counts := make(map[string]int)
// the max value of counts
var maxCount int
nodes, err := nodeLister.List()
if err != nil {
return nil, err
}
// the max value of counts
var maxCount int
// counts hold the count of intolerable taints of a pod for a given node
counts := make(map[string]int, len(nodes.Items))
tolerations, err := api.GetTolerationsFromPodAnnotations(pod.Annotations)
if err != nil {
return nil, err
@@ -88,7 +89,8 @@ func ComputeTaintTolerationPriority(pod *api.Pod, nodeNameToInfo map[string]*sch
// Priority values range from 0 - maxPriority
const maxPriority = 10
result := make(schedulerapi.HostPriorityList, 0, len(nodes.Items))
for _, node := range nodes.Items {
for i := range nodes.Items {
node := &nodes.Items[i]
fScore := float64(maxPriority)
if maxCount > 0 {
fScore = (1.0 - float64(counts[node.Name])/float64(maxCount)) * 10