diff --git a/schedulers/binPackSortedWattsSortedOffers.go b/schedulers/binPackSortedWattsSortedOffers.go deleted file mode 100644 index 1640141..0000000 --- a/schedulers/binPackSortedWattsSortedOffers.go +++ /dev/null @@ -1,145 +0,0 @@ -package schedulers - -import ( - "bitbucket.org/sunybingcloud/electron/def" - elecLogDef "bitbucket.org/sunybingcloud/electron/logging/def" - "bitbucket.org/sunybingcloud/electron/utilities/mesosUtils" - "bitbucket.org/sunybingcloud/electron/utilities/offerUtils" - "bytes" - "fmt" - mesos "github.com/mesos/mesos-go/api/v0/mesosproto" - sched "github.com/mesos/mesos-go/api/v0/scheduler" - "log" - "math/rand" - "sort" -) - -// Decides if to take an offer or not -func (s *BinPackSortedWattsSortedOffers) takeOffer(spc SchedPolicyContext, offer *mesos.Offer, task def.Task, - totalCPU, totalRAM, totalWatts float64) bool { - baseSchedRef := spc.(*baseScheduler) - offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - if (offerCPU >= (totalCPU + task.CPU)) && (offerRAM >= (totalRAM + task.RAM)) && - (!baseSchedRef.wattsAsAResource || (offerWatts >= (totalWatts + wattsConsideration))) { - return true - } - return false -} - -type BinPackSortedWattsSortedOffers struct { - SchedPolicyState -} - -func (s *BinPackSortedWattsSortedOffers) ConsumeOffers(spc SchedPolicyContext, driver sched.SchedulerDriver, offers []*mesos.Offer) { - fmt.Println("BPSWSO scheduling...") - baseSchedRef := spc.(*baseScheduler) - def.SortTasks(baseSchedRef.tasks, def.SortByWatts) - baseSchedRef.LogOffersReceived(offers) - - // Sorting the offers - sort.Sort(offerUtils.OffersSorter(offers)) - - // Printing the sorted offers and the corresponding CPU resource availability - buffer := bytes.Buffer{} - buffer.WriteString(fmt.Sprint("Sorted Offers:\n")) - for i := 0; i < len(offers); i++ { - offer := offers[i] - offerUtils.UpdateEnvironment(offer) - offerCPU, _, _ := offerUtils.OfferAgg(offer) - buffer.WriteString(fmt.Sprintf("Offer[%s].CPU = %f\n", offer.GetHostname(), offerCPU)) - } - baseSchedRef.Log(elecLogDef.GENERAL, buffer.String()) - - for _, offer := range offers { - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - - offerTaken := false - totalWatts := 0.0 - totalCPU := 0.0 - totalRAM := 0.0 - for i := 0; i < len(baseSchedRef.tasks); i++ { - task := baseSchedRef.tasks[i] - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - - // Don't take offer if it doesn't match our task's host requirement - if offerUtils.HostMismatch(*offer.Hostname, task.Host) { - continue - } - - for *task.Instances > 0 { - // Does the task fit - if s.takeOffer(spc, offer, task, totalCPU, totalRAM, totalWatts) { - - offerTaken = true - totalWatts += wattsConsideration - totalCPU += task.CPU - totalRAM += task.RAM - baseSchedRef.LogCoLocatedTasks(offer.GetSlaveId().GoString()) - taskToSchedule := baseSchedRef.newTask(offer, task) - tasks = append(tasks, taskToSchedule) - - baseSchedRef.LogSchedTrace(taskToSchedule, offer) - *task.Instances-- - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - baseSchedRef.tasks = append(baseSchedRef.tasks[:i], - baseSchedRef.tasks[i+1:]...) - - if len(baseSchedRef.tasks) <= 0 { - baseSchedRef.LogTerminateScheduler() - close(baseSchedRef.Shutdown) - } - } - } else { - break // Continue on to next offer - } - } - } - - if offerTaken { - baseSchedRef.LogTaskStarting(nil, offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - } else { - - // If there was no match for the task - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - } - - // Switch scheduling policy only if feature enabled from CLI - if baseSchedRef.schedPolSwitchEnabled { - // Switching to a random scheduling policy. - // TODO: Switch based on some criteria. - index := rand.Intn(len(SchedPolicies)) - for _, v := range SchedPolicies { - if index == 0 { - spc.SwitchSchedPol(v) - break - } - index-- - } - } -} diff --git a/schedulers/bottomHeavy.go b/schedulers/bottomHeavy.go deleted file mode 100644 index 5318231..0000000 --- a/schedulers/bottomHeavy.go +++ /dev/null @@ -1,266 +0,0 @@ -package schedulers - -import ( - "bitbucket.org/sunybingcloud/electron/constants" - "bitbucket.org/sunybingcloud/electron/def" - elecLogDef "bitbucket.org/sunybingcloud/electron/logging/def" - "bitbucket.org/sunybingcloud/electron/utilities/mesosUtils" - "bitbucket.org/sunybingcloud/electron/utilities/offerUtils" - "bytes" - "fmt" - mesos "github.com/mesos/mesos-go/api/v0/mesosproto" - sched "github.com/mesos/mesos-go/api/v0/scheduler" - "log" - "math/rand" -) - -/* -Tasks are categorized into small and large tasks based on watts requirements. -All the large tasks are packed into offers from agents belonging to power classes A and B, using Bin-Packing. -All the small tasks are spread among offers from agents belonging to power class C and D, using First-Fit. - -Bin-Packing has the most effect when co-scheduling of tasks is increased. Large tasks typically utilize more resources and hence, -co-scheduling them has a great impact on the total power utilization. -*/ - -func (s *BottomHeavy) takeOfferBinPack(spc SchedPolicyContext, offer *mesos.Offer, totalCPU, totalRAM, totalWatts, - wattsToConsider float64, task def.Task) bool { - baseSchedRef := spc.(*baseScheduler) - offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - if (!baseSchedRef.wattsAsAResource || (offerWatts >= (totalWatts + wattsToConsider))) && - (offerCPU >= (totalCPU + task.CPU)) && - (offerRAM >= (totalRAM + task.RAM)) { - return true - } - return false - -} - -func (s *BottomHeavy) takeOfferFirstFit(spc SchedPolicyContext, offer *mesos.Offer, - wattsConsideration float64, task def.Task) bool { - baseSchedRef := spc.(*baseScheduler) - offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - if (!baseSchedRef.wattsAsAResource || (offerWatts >= wattsConsideration)) && - (offerCPU >= task.CPU) && (offerRAM >= task.RAM) { - return true - } - return false -} - -type BottomHeavy struct { - SchedPolicyState - smallTasks, largeTasks []def.Task -} - -// Shut down scheduler if no more tasks to schedule -func (s *BottomHeavy) shutDownIfNecessary(spc SchedPolicyContext) { - baseSchedRef := spc.(*baseScheduler) - if len(s.smallTasks) <= 0 && len(s.largeTasks) <= 0 { - baseSchedRef.LogTerminateScheduler() - close(baseSchedRef.Shutdown) - } -} - -// create TaskInfo and log scheduling trace -func (s *BottomHeavy) createTaskInfoAndLogSchedTrace(spc SchedPolicyContext, offer *mesos.Offer, - task def.Task) *mesos.TaskInfo { - baseSchedRef := spc.(*baseScheduler) - baseSchedRef.LogCoLocatedTasks(offer.GetSlaveId().GoString()) - taskToSchedule := baseSchedRef.newTask(offer, task) - - baseSchedRef.LogSchedTrace(taskToSchedule, offer) - *task.Instances-- - return taskToSchedule -} - -// Using BinPacking to pack large tasks into the given offers. -func (s *BottomHeavy) pack(spc SchedPolicyContext, offers []*mesos.Offer, driver sched.SchedulerDriver) { - baseSchedRef := spc.(*baseScheduler) - for _, offer := range offers { - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - totalWatts := 0.0 - totalCPU := 0.0 - totalRAM := 0.0 - offerTaken := false - for i := 0; i < len(s.largeTasks); i++ { - task := s.largeTasks[i] - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - - for *task.Instances > 0 { - // Does the task fit - // OR lazy evaluation. If ignore watts is set to true, second statement won't - // be evaluated. - if s.takeOfferBinPack(spc, offer, totalCPU, totalRAM, totalWatts, - wattsConsideration, task) { - offerTaken = true - totalWatts += wattsConsideration - totalCPU += task.CPU - totalRAM += task.RAM - tasks = append(tasks, s.createTaskInfoAndLogSchedTrace(spc, offer, task)) - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - s.largeTasks = append(s.largeTasks[:i], s.largeTasks[i+1:]...) - s.shutDownIfNecessary(spc) - } - } else { - break // Continue on to next task - } - } - } - - if offerTaken { - baseSchedRef.LogTaskStarting(nil, offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - } else { - // If there was no match for the task - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - } -} - -// Using First-Fit to spread small tasks among the given offers. -func (s *BottomHeavy) spread(spc SchedPolicyContext, offers []*mesos.Offer, driver sched.SchedulerDriver) { - baseSchedRef := spc.(*baseScheduler) - for _, offer := range offers { - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - taken := false - for i := 0; i < len(s.smallTasks); i++ { - task := s.smallTasks[i] - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - - // Decision to take the offer or not - if s.takeOfferFirstFit(spc, offer, wattsConsideration, task) { - taken = true - tasks = append(tasks, s.createTaskInfoAndLogSchedTrace(spc, offer, task)) - baseSchedRef.LogTaskStarting(&s.smallTasks[i], offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - s.smallTasks = append(s.smallTasks[:i], s.smallTasks[i+1:]...) - s.shutDownIfNecessary(spc) - } - break // Offer taken, move on - } - } - - if !taken { - // If there was no match for the task - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - } -} - -func (s *BottomHeavy) ConsumeOffers(spc SchedPolicyContext, driver sched.SchedulerDriver, offers []*mesos.Offer) { - fmt.Println("BottomHeavy scheduling...") - baseSchedRef := spc.(*baseScheduler) - baseSchedRef.LogOffersReceived(offers) - // Sorting tasks based on Watts - def.SortTasks(baseSchedRef.tasks, def.SortByWatts) - // Classification done based on MMPU watts requirements, into 2 clusters. - classifiedTasks := def.ClassifyTasks(baseSchedRef.tasks, 2) - // Separating small tasks from large tasks. - s.smallTasks = classifiedTasks[0].Tasks - s.largeTasks = classifiedTasks[1].Tasks - - // We need to separate the offers into - // offers from ClassA and ClassB and offers from ClassC and ClassD. - // Nodes in ClassA and ClassB will be packed with the large tasks. - // Small tasks will be spread out among the nodes in ClassC and ClassD. - offersHeavyPowerClasses := []*mesos.Offer{} - offersLightPowerClasses := []*mesos.Offer{} - - for _, offer := range offers { - offerUtils.UpdateEnvironment(offer) - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - if _, ok := constants.PowerClasses["A"][*offer.Hostname]; ok { - offersHeavyPowerClasses = append(offersHeavyPowerClasses, offer) - } - if _, ok := constants.PowerClasses["B"][*offer.Hostname]; ok { - offersHeavyPowerClasses = append(offersHeavyPowerClasses, offer) - } - if _, ok := constants.PowerClasses["C"][*offer.Hostname]; ok { - offersLightPowerClasses = append(offersLightPowerClasses, offer) - } - if _, ok := constants.PowerClasses["D"][*offer.Hostname]; ok { - offersLightPowerClasses = append(offersLightPowerClasses, offer) - } - - } - - buffer := bytes.Buffer{} - buffer.WriteString(fmt.Sprintln("Packing Large tasks into ClassAB offers:")) - for _, o := range offersHeavyPowerClasses { - buffer.WriteString(fmt.Sprintln(*o.Hostname)) - - } - baseSchedRef.Log(elecLogDef.GENERAL, buffer.String()) - buffer.Reset() - // Packing tasks into offersHeavyPowerClasses - s.pack(spc, offersHeavyPowerClasses, driver) - - buffer.WriteString(fmt.Sprintln("Packing Small tasks among ClassCD offers:")) - for _, o := range offersLightPowerClasses { - buffer.WriteString(*o.Hostname) - } - baseSchedRef.Log(elecLogDef.GENERAL, buffer.String()) - // Spreading tasks among offersLightPowerClasses - s.spread(spc, offersLightPowerClasses, driver) - - // Switch scheduling policy only if feature enabled from CLI - if baseSchedRef.schedPolSwitchEnabled { - // Switching to a random scheduling policy. - // TODO: Switch based on some criteria. - index := rand.Intn(len(SchedPolicies)) - for _, v := range SchedPolicies { - if index == 0 { - spc.SwitchSchedPol(v) - break - } - index-- - } - } -} diff --git a/schedulers/firstfitSortedOffers.go b/schedulers/firstfitSortedOffers.go deleted file mode 100644 index ac289e2..0000000 --- a/schedulers/firstfitSortedOffers.go +++ /dev/null @@ -1,136 +0,0 @@ -package schedulers - -import ( - "bitbucket.org/sunybingcloud/electron/def" - elecLogDef "bitbucket.org/sunybingcloud/electron/logging/def" - "bitbucket.org/sunybingcloud/electron/utilities/mesosUtils" - "bitbucket.org/sunybingcloud/electron/utilities/offerUtils" - "bytes" - "fmt" - mesos "github.com/mesos/mesos-go/api/v0/mesosproto" - sched "github.com/mesos/mesos-go/api/v0/scheduler" - "log" - "math/rand" - "sort" -) - -// Decides if to take an offer or not -func (s *FirstFitSortedOffers) takeOffer(spc SchedPolicyContext, offer *mesos.Offer, task def.Task) bool { - - baseSchedRef := spc.(*baseScheduler) - cpus, mem, watts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - if cpus >= task.CPU && mem >= task.RAM && (!baseSchedRef.wattsAsAResource || watts >= wattsConsideration) { - return true - } - - return false -} - -// electronScheduler implements the Scheduler interface -type FirstFitSortedOffers struct { - SchedPolicyState -} - -func (s *FirstFitSortedOffers) ConsumeOffers(spc SchedPolicyContext, driver sched.SchedulerDriver, - offers []*mesos.Offer) { - fmt.Println("FFSO scheduling...") - baseSchedRef := spc.(*baseScheduler) - baseSchedRef.LogOffersReceived(offers) - - // Sorting the offers - sort.Sort(offerUtils.OffersSorter(offers)) - - // Printing the sorted offers and the corresponding CPU resource availability - buffer := bytes.Buffer{} - buffer.WriteString(fmt.Sprintln("Sorted Offers:")) - for i := 0; i < len(offers); i++ { - offer := offers[i] - offerUtils.UpdateEnvironment(offer) - offerCPU, _, _ := offerUtils.OfferAgg(offer) - buffer.WriteString(fmt.Sprintf("Offer[%s].CPU = %f\n", offer.GetHostname(), offerCPU)) - } - baseSchedRef.Log(elecLogDef.GENERAL, buffer.String()) - - for _, offer := range offers { - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - - // First fit strategy - - offerTaken := false - for i := 0; i < len(baseSchedRef.tasks); i++ { - task := baseSchedRef.tasks[i] - - // Don't take offer if it doesn't match our task's host requirement - if offerUtils.HostMismatch(*offer.Hostname, task.Host) { - continue - } - - // Decision to take the offer or not - if s.takeOffer(spc, offer, task) { - - baseSchedRef.LogCoLocatedTasks(offer.GetSlaveId().GoString()) - - taskToSchedule := baseSchedRef.newTask(offer, task) - tasks = append(tasks, taskToSchedule) - - baseSchedRef.LogTaskStarting(&task, offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - - offerTaken = true - - baseSchedRef.LogSchedTrace(taskToSchedule, offer) - *task.Instances-- - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - baseSchedRef.tasks[i] = baseSchedRef.tasks[len(baseSchedRef.tasks)-1] - baseSchedRef.tasks = baseSchedRef.tasks[:len(baseSchedRef.tasks)-1] - - if len(baseSchedRef.tasks) <= 0 { - baseSchedRef.LogTerminateScheduler() - close(baseSchedRef.Shutdown) - } - } - break // Offer taken, move on - } - } - - // If there was no match for the task - if !offerTaken { - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - } - - // Switch scheduling policy only if feature enabled from CLI - if baseSchedRef.schedPolSwitchEnabled { - // Switching to a random scheduling policy. - // TODO: Switch based on some criteria. - index := rand.Intn(len(SchedPolicies)) - for _, v := range SchedPolicies { - if index == 0 { - spc.SwitchSchedPol(v) - break - } - index-- - } - } -} diff --git a/schedulers/firstfitSortedWattsSortedOffers.go b/schedulers/firstfitSortedWattsSortedOffers.go deleted file mode 100644 index 384743a..0000000 --- a/schedulers/firstfitSortedWattsSortedOffers.go +++ /dev/null @@ -1,134 +0,0 @@ -package schedulers - -import ( - "bitbucket.org/sunybingcloud/electron/def" - elecLogDef "bitbucket.org/sunybingcloud/electron/logging/def" - "bitbucket.org/sunybingcloud/electron/utilities/mesosUtils" - "bitbucket.org/sunybingcloud/electron/utilities/offerUtils" - "bytes" - "fmt" - mesos "github.com/mesos/mesos-go/api/v0/mesosproto" - sched "github.com/mesos/mesos-go/api/v0/scheduler" - "log" - "math/rand" - "sort" -) - -// Decides if to take an offer or not -func (s *FirstFitSortedWattsSortedOffers) takeOffer(spc SchedPolicyContext, offer *mesos.Offer, task def.Task) bool { - baseSchedRef := spc.(*baseScheduler) - cpus, mem, watts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - if cpus >= task.CPU && mem >= task.RAM && (!baseSchedRef.wattsAsAResource || watts >= wattsConsideration) { - return true - } - - return false -} - -// electronScheduler implements the Scheduler interface -type FirstFitSortedWattsSortedOffers struct { - SchedPolicyState -} - -func (s *FirstFitSortedWattsSortedOffers) ConsumeOffers(spc SchedPolicyContext, driver sched.SchedulerDriver, - offers []*mesos.Offer) { - fmt.Println("FFSWSO scheduling...") - baseSchedRef := spc.(*baseScheduler) - def.SortTasks(baseSchedRef.tasks, def.SortByWatts) - baseSchedRef.LogOffersReceived(offers) - // Sorting the offers - sort.Sort(offerUtils.OffersSorter(offers)) - - // Printing the sorted offers and the corresponding CPU resource availability - buffer := bytes.Buffer{} - buffer.WriteString(fmt.Sprintln("Sorted Offers:")) - for i := 0; i < len(offers); i++ { - offer := offers[i] - offerUtils.UpdateEnvironment(offer) - offerCPU, _, _ := offerUtils.OfferAgg(offer) - buffer.WriteString(fmt.Sprintf("Offer[%s].CPU = %f\n", offer.GetHostname(), offerCPU)) - } - baseSchedRef.Log(elecLogDef.GENERAL, buffer.String()) - - for _, offer := range offers { - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - - // First fit strategy - - offerTaken := false - for i := 0; i < len(baseSchedRef.tasks); i++ { - task := baseSchedRef.tasks[i] - - // Don't take offer if it doesn't match our task's host requirement - if offerUtils.HostMismatch(*offer.Hostname, task.Host) { - continue - } - - // Decision to take the offer or not - if s.takeOffer(spc, offer, task) { - - baseSchedRef.LogCoLocatedTasks(offer.GetSlaveId().GoString()) - - taskToSchedule := baseSchedRef.newTask(offer, task) - tasks = append(tasks, taskToSchedule) - - baseSchedRef.LogTaskStarting(&task, offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - - offerTaken = true - - baseSchedRef.LogSchedTrace(taskToSchedule, offer) - *task.Instances-- - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - baseSchedRef.tasks = append(baseSchedRef.tasks[:i], - baseSchedRef.tasks[i+1:]...) - - if len(baseSchedRef.tasks) <= 0 { - baseSchedRef.LogTerminateScheduler() - close(baseSchedRef.Shutdown) - } - } - break // Offer taken, move on - } - } - - // If there was no match for the task - if !offerTaken { - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - } - - if baseSchedRef.schedPolSwitchEnabled { - // Switching to a random scheduling policy. - // TODO: Switch based on some criteria. - index := rand.Intn(len(SchedPolicies)) - for _, v := range SchedPolicies { - if index == 0 { - spc.SwitchSchedPol(v) - break - } - index-- - } - } -} diff --git a/schedulers/firstfitsortedwatts.go b/schedulers/firstfitsortedwatts.go deleted file mode 100644 index 4a14535..0000000 --- a/schedulers/firstfitsortedwatts.go +++ /dev/null @@ -1,122 +0,0 @@ -package schedulers - -import ( - "bitbucket.org/sunybingcloud/electron/def" - "bitbucket.org/sunybingcloud/electron/utilities/mesosUtils" - "bitbucket.org/sunybingcloud/electron/utilities/offerUtils" - "fmt" - mesos "github.com/mesos/mesos-go/api/v0/mesosproto" - sched "github.com/mesos/mesos-go/api/v0/scheduler" - "log" - "math/rand" -) - -// Decides if to take an offer or not -func (s *FirstFitSortedWatts) takeOffer(spc SchedPolicyContext, offer *mesos.Offer, task def.Task) bool { - - baseSchedRef := spc.(*baseScheduler) - cpus, mem, watts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - if cpus >= task.CPU && mem >= task.RAM && (!baseSchedRef.wattsAsAResource || watts >= wattsConsideration) { - return true - } - - return false -} - -// electronScheduler implements the Scheduler interface -type FirstFitSortedWatts struct { - SchedPolicyState -} - -func (s *FirstFitSortedWatts) ConsumeOffers(spc SchedPolicyContext, driver sched.SchedulerDriver, - offers []*mesos.Offer) { - fmt.Println("FFSW scheduling...") - baseSchedRef := spc.(*baseScheduler) - def.SortTasks(baseSchedRef.tasks, def.SortByWatts) - baseSchedRef.LogOffersReceived(offers) - - for _, offer := range offers { - offerUtils.UpdateEnvironment(offer) - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - - // First fit strategy - - offerTaken := false - for i := 0; i < len(baseSchedRef.tasks); i++ { - task := baseSchedRef.tasks[i] - - // Don't take offer if it doesn't match our task's host requirement - if offerUtils.HostMismatch(*offer.Hostname, task.Host) { - continue - } - - // Decision to take the offer or not - if s.takeOffer(spc, offer, task) { - - baseSchedRef.LogCoLocatedTasks(offer.GetSlaveId().GoString()) - - taskToSchedule := baseSchedRef.newTask(offer, task) - tasks = append(tasks, taskToSchedule) - - baseSchedRef.LogTaskStarting(&task, offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - - offerTaken = true - - baseSchedRef.LogSchedTrace(taskToSchedule, offer) - *task.Instances-- - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - baseSchedRef.tasks = append(baseSchedRef.tasks[:i], - baseSchedRef.tasks[i+1:]...) - - if len(baseSchedRef.tasks) <= 0 { - baseSchedRef.LogTerminateScheduler() - close(baseSchedRef.Shutdown) - } - } - break // Offer taken, move on - } - } - - // If there was no match for the task - if !offerTaken { - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - - } - - // Switch scheduling policy only if feature enabled from CLI - if baseSchedRef.schedPolSwitchEnabled { - // Switching to a random scheduling policy. - // TODO: Switch based on some criteria. - index := rand.Intn(len(SchedPolicies)) - for _, v := range SchedPolicies { - if index == 0 { - spc.SwitchSchedPol(v) - break - } - index-- - } - } -} diff --git a/schedulers/topHeavy.go b/schedulers/topHeavy.go deleted file mode 100644 index 940a647..0000000 --- a/schedulers/topHeavy.go +++ /dev/null @@ -1,262 +0,0 @@ -package schedulers - -import ( - "bitbucket.org/sunybingcloud/electron/constants" - "bitbucket.org/sunybingcloud/electron/def" - elecLogDef "bitbucket.org/sunybingcloud/electron/logging/def" - "bitbucket.org/sunybingcloud/electron/utilities/mesosUtils" - "bitbucket.org/sunybingcloud/electron/utilities/offerUtils" - "bytes" - "fmt" - mesos "github.com/mesos/mesos-go/api/v0/mesosproto" - sched "github.com/mesos/mesos-go/api/v0/scheduler" - "log" - "math/rand" -) - -/* -Tasks are categorized into small and large tasks based on the watts requirement. -All the small tasks are packed into offers from agents belonging to power class C and power class D, using BinPacking. -All the large tasks are spread among the offers from agents belonging to power class A and power class B, using FirstFit. - -This was done to give a little more room for the large tasks (power intensive) for execution and reduce the possibility of -starvation of power intensive tasks. -*/ - -func (s *TopHeavy) takeOfferBinPack(spc SchedPolicyContext, offer *mesos.Offer, totalCPU, totalRAM, totalWatts, - wattsToConsider float64, task def.Task) bool { - baseSchedRef := spc.(*baseScheduler) - offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - if (!baseSchedRef.wattsAsAResource || (offerWatts >= (totalWatts + wattsToConsider))) && - (offerCPU >= (totalCPU + task.CPU)) && - (offerRAM >= (totalRAM + task.RAM)) { - return true - } - return false -} - -func (s *TopHeavy) takeOfferFirstFit(spc SchedPolicyContext, offer *mesos.Offer, wattsConsideration float64, task def.Task) bool { - baseSchedRef := spc.(*baseScheduler) - offerCPU, offerRAM, offerWatts := offerUtils.OfferAgg(offer) - - //TODO: Insert watts calculation here instead of taking them as a parameter - if (!baseSchedRef.wattsAsAResource || (offerWatts >= wattsConsideration)) && - (offerCPU >= task.CPU) && (offerRAM >= task.RAM) { - return true - } - return false -} - -// electronScheduler implements the Scheduler interface -type TopHeavy struct { - SchedPolicyState - smallTasks, largeTasks []def.Task -} - -// Shut down scheduler if no more tasks to schedule -func (s *TopHeavy) shutDownIfNecessary(spc SchedPolicyContext) { - baseSchedRef := spc.(*baseScheduler) - if len(s.smallTasks) <= 0 && len(s.largeTasks) <= 0 { - baseSchedRef.LogTerminateScheduler() - close(baseSchedRef.Shutdown) - } -} - -// create TaskInfo and log scheduling trace -func (s *TopHeavy) createTaskInfoAndLogSchedTrace(spc SchedPolicyContext, offer *mesos.Offer, task def.Task) *mesos.TaskInfo { - baseSchedRef := spc.(*baseScheduler) - baseSchedRef.LogCoLocatedTasks(offer.GetSlaveId().GoString()) - taskToSchedule := baseSchedRef.newTask(offer, task) - - baseSchedRef.LogSchedTrace(taskToSchedule, offer) - *task.Instances-- - return taskToSchedule -} - -// Using BinPacking to pack small tasks into this offer. -func (s *TopHeavy) pack(spc SchedPolicyContext, offers []*mesos.Offer, driver sched.SchedulerDriver) { - baseSchedRef := spc.(*baseScheduler) - for _, offer := range offers { - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - totalWatts := 0.0 - totalCPU := 0.0 - totalRAM := 0.0 - taken := false - for i := 0; i < len(s.smallTasks); i++ { - task := s.smallTasks[i] - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - - for *task.Instances > 0 { - // Does the task fit - // OR lazy evaluation. If ignore watts is set to true, second statement won't - // be evaluated. - if s.takeOfferBinPack(spc, offer, totalCPU, totalRAM, totalWatts, wattsConsideration, task) { - taken = true - totalWatts += wattsConsideration - totalCPU += task.CPU - totalRAM += task.RAM - tasks = append(tasks, s.createTaskInfoAndLogSchedTrace(spc, offer, task)) - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - s.smallTasks = append(s.smallTasks[:i], s.smallTasks[i+1:]...) - s.shutDownIfNecessary(spc) - } - } else { - break // Continue on to next task - } - } - } - - if taken { - baseSchedRef.LogTaskStarting(nil, offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - } else { - // If there was no match for the task - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - } -} - -// Using first fit to spread large tasks into these offers. -func (s *TopHeavy) spread(spc SchedPolicyContext, offers []*mesos.Offer, driver sched.SchedulerDriver) { - baseSchedRef := spc.(*baseScheduler) - for _, offer := range offers { - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - tasks := []*mesos.TaskInfo{} - offerTaken := false - for i := 0; i < len(s.largeTasks); i++ { - task := s.largeTasks[i] - wattsConsideration, err := def.WattsToConsider(task, baseSchedRef.classMapWatts, offer) - if err != nil { - // Error in determining wattsConsideration - log.Fatal(err) - } - - // Decision to take the offer or not - if s.takeOfferFirstFit(spc, offer, wattsConsideration, task) { - offerTaken = true - tasks = append(tasks, s.createTaskInfoAndLogSchedTrace(spc, offer, task)) - baseSchedRef.LogTaskStarting(&s.largeTasks[i], offer) - driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, mesosUtils.DefaultFilter) - - if *task.Instances <= 0 { - // All instances of task have been scheduled, remove it - s.largeTasks = append(s.largeTasks[:i], s.largeTasks[i+1:]...) - s.shutDownIfNecessary(spc) - } - break // Offer taken, move on - } - } - - if !offerTaken { - // If there was no match for the task - cpus, mem, watts := offerUtils.OfferAgg(offer) - baseSchedRef.LogInsufficientResourcesDeclineOffer(offer, cpus, mem, watts) - driver.DeclineOffer(offer.Id, mesosUtils.DefaultFilter) - } - } -} - -func (s *TopHeavy) ConsumeOffers(spc SchedPolicyContext, driver sched.SchedulerDriver, offers []*mesos.Offer) { - fmt.Println("TopHeavy scheduling...") - baseSchedRef := spc.(*baseScheduler) - baseSchedRef.LogOffersReceived(offers) - // Sorting tasks based on Watts - def.SortTasks(baseSchedRef.tasks, def.SortByWatts) - // Classification done based on MMPU watts requirements, into 2 clusters. - classifiedTasks := def.ClassifyTasks(baseSchedRef.tasks, 2) - // Separating small tasks from large tasks. - s.smallTasks = classifiedTasks[0].Tasks - s.largeTasks = classifiedTasks[1].Tasks - baseSchedRef.LogOffersReceived(offers) - - // We need to separate the offers into - // offers from ClassA and ClassB and offers from ClassC and ClassD. - // Offers from ClassA and ClassB would execute the large tasks. - // Offers from ClassC and ClassD would execute the small tasks. - offersHeavyPowerClasses := []*mesos.Offer{} - offersLightPowerClasses := []*mesos.Offer{} - - for _, offer := range offers { - offerUtils.UpdateEnvironment(offer) - select { - case <-baseSchedRef.Shutdown: - baseSchedRef.LogNoPendingTasksDeclineOffers(offer) - driver.DeclineOffer(offer.Id, mesosUtils.LongFilter) - baseSchedRef.LogNumberOfRunningTasks() - continue - default: - } - - if _, ok := constants.PowerClasses["A"][*offer.Hostname]; ok { - offersHeavyPowerClasses = append(offersHeavyPowerClasses, offer) - } - if _, ok := constants.PowerClasses["B"][*offer.Hostname]; ok { - offersHeavyPowerClasses = append(offersHeavyPowerClasses, offer) - } - if _, ok := constants.PowerClasses["C"][*offer.Hostname]; ok { - offersLightPowerClasses = append(offersLightPowerClasses, offer) - } - if _, ok := constants.PowerClasses["D"][*offer.Hostname]; ok { - offersLightPowerClasses = append(offersLightPowerClasses, offer) - } - } - - buffer := bytes.Buffer{} - buffer.WriteString(fmt.Sprintln("Spreading Large tasks into ClassAB Offers:")) - for _, o := range offersHeavyPowerClasses { - buffer.WriteString(fmt.Sprintln(*o.Hostname)) - } - baseSchedRef.Log(elecLogDef.GENERAL, buffer.String()) - buffer.Reset() - - buffer.WriteString(fmt.Sprintln("Packing Small tasks into ClassCD Offers:")) - for _, o := range offersLightPowerClasses { - buffer.WriteString(fmt.Sprintln(*o.Hostname)) - } - baseSchedRef.Log(elecLogDef.GENERAL, buffer.String()) - - // Packing tasks into offersLightPowerClasses - s.pack(spc, offersLightPowerClasses, driver) - // Spreading tasks among offersHeavyPowerClasses - s.spread(spc, offersHeavyPowerClasses, driver) - - if baseSchedRef.schedPolSwitchEnabled { - // Switching to a random scheduling policy. - // TODO: Switch based on some criteria. - index := rand.Intn(len(SchedPolicies)) - for _, v := range SchedPolicies { - if index == 0 { - spc.SwitchSchedPol(v) - break - } - index-- - } - } -}