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resolved merge conflict with master. Also, changed the name of the constructor for BPSWMaxMin from NewBPMaxMinWatts to NewBPSWMaxMinWatts

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Pradyumna Kaushik 2017-02-11 14:26:27 -05:00
commit 02fede7184
21 changed files with 142 additions and 171 deletions
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37
schedulers/bottomHeavy.go
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@ -26,6 +26,31 @@ BinPacking has the most effect when co-scheduling of tasks is increased. Large t
co-scheduling them has a great impact on the total power utilization.
*/
func (s *BottomHeavy) takeOfferBinPack(offer *mesos.Offer, totalCPU, totalRAM, totalWatts,
wattsToConsider float64, task def.Task) bool {
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
//TODO: Insert watts calculation here instead of taking them as a parameter
if (!s.wattsAsAResource || (offerWatts >= (totalWatts + wattsToConsider))) &&
(offerCPU >= (totalCPU + task.CPU)) &&
(offerRAM >= (totalRAM + task.RAM)) {
return true
}
return false
}
func (s *BottomHeavy) takeOfferFirstFit(offer *mesos.Offer, wattsConsideration float64, task def.Task) bool {
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
//TODO: Insert watts calculation here instead of taking them as a parameter
if (!s.wattsAsAResource || (offerWatts >= wattsConsideration)) &&
(offerCPU >= task.CPU) && (offerRAM >= task.RAM) {
return true
}
return false
}
// electronScheduler implements the Scheduler interface
type BottomHeavy struct {
base // Type embedded to inherit common functions
@ -148,7 +173,6 @@ func (s *BottomHeavy) pack(offers []*mesos.Offer, driver sched.SchedulerDriver)
}
tasks := []*mesos.TaskInfo{}
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
totalWatts := 0.0
totalCPU := 0.0
totalRAM := 0.0
@ -165,9 +189,7 @@ func (s *BottomHeavy) pack(offers []*mesos.Offer, driver sched.SchedulerDriver)
// Does the task fit
// OR lazy evaluation. If ignore watts is set to true, second statement won't
// be evaluated.
if (!s.wattsAsAResource || (offerWatts >= (totalWatts + wattsConsideration))) &&
(offerCPU >= (totalCPU + task.CPU)) &&
(offerRAM >= (totalRAM + task.RAM)) {
if s.takeOfferBinPack(offer, totalCPU, totalRAM, totalWatts, wattsConsideration, task) {
offerTaken = true
totalWatts += wattsConsideration
totalCPU += task.CPU
@ -213,7 +235,6 @@ func (s *BottomHeavy) spread(offers []*mesos.Offer, driver sched.SchedulerDriver
}
tasks := []*mesos.TaskInfo{}
offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer)
taken := false
for i := 0; i < len(s.smallTasks); i++ {
task := s.smallTasks[i]
@ -221,14 +242,10 @@ func (s *BottomHeavy) spread(offers []*mesos.Offer, driver sched.SchedulerDriver
if err != nil {
// Error in determining wattsConsideration
log.Fatal(err)
} else {
// Logging the watts consideration
log.Printf("Watts Considered for host[%s], task[%s] = %f\n", *offer.Hostname, task.Name, wattsConsideration)
}
// Decision to take the offer or not
if (!s.wattsAsAResource || (offerWatts >= wattsConsideration)) &&
(offerCPU >= task.CPU) && (offerRAM >= task.RAM) {
if s.takeOfferFirstFit(offer, wattsConsideration, task) {
taken = true
tasks = append(tasks, s.createTaskInfoAndLogSchedTrace(offer, task))
log.Printf("Starting %s on [%s]\n", task.Name, offer.GetHostname())