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added OffersSorter that implements sort interface to sort offers based on CPU.

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This commit is contained in:
Pradyumna Kaushik 2017-01-28 17:47:24 -05:00
parent 477a319688
commit e60488f965
1 changed files with 18 additions and 0 deletions
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18
schedulers/helpers.go
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@ -29,6 +29,24 @@ func OfferAgg(offer *mesos.Offer) (float64, float64, float64) {
return cpus, mem, watts return cpus, mem, watts
} }
type OffersSorter []*mesos.Offer
func (offersSorter OffersSorter) Len() int {
return len(offersSorter)
}
func (offersSorter OffersSorter) Swap(i, j int) {
offersSorter[i], offersSorter[j] = offersSorter[j], offersSorter[i]
}
func (offersSorter OffersSorter) Less(i, j int) bool {
// getting CPU resource availability of offersSorter[i]
cpu1, _, _ := OfferAgg(offersSorter[i])
// getting CPU resource availability of offersSorter[j]
cpu2, _, _ := OfferAgg(offersSorter[j])
return cpu1 <= cpu2
}
func coLocated(tasks map[string]bool) { func coLocated(tasks map[string]bool) {
for task := range tasks { for task := range tasks {