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Merged in differentSwitchingMechanisms (pull request #14)

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DifferentSwitchingMechanisms

Approved-by: Akash Kothawale <akothaw1@binghamton.edu>
This commit is contained in:
Pradyumna Kaushik 2018-04-17 23:44:36 +00:00
parent 1bee742588
commit 66c19b53c9
13 changed files with 172 additions and 31 deletions
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22
schedulers/base.go
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@ -62,6 +62,8 @@ type BaseScheduler struct {
// This scheduling policy would be deployed first regardless of the distribution of tasks in the TaskQueue.
// Note: Scheduling policy switching needs to be enabled.
nameOfFstSchedPolToDeploy string
// Scheduling policy switching criteria.
schedPolSwitchCriteria string
// Size of window of tasks that can be scheduled in the next offer cycle.
// The window size can be adjusted to make the most use of every resource offer.
@ -195,8 +197,8 @@ func (s *BaseScheduler) ResourceOffers(driver sched.SchedulerDriver, offers []*m
}
// Switch just before consuming the resource offers.
s.curSchedPolicy.SwitchIfNecessary(s)
s.Log(elecLogDef.GENERAL, fmt.Sprintf("SchedWindowSize[%d], #TasksInWindow[%d]",
s.schedWindowSize, s.numTasksInSchedWindow))
// s.Log(elecLogDef.GENERAL, fmt.Sprintf("SchedWindowSize[%d], #TasksInWindow[%d]",
// s.schedWindowSize, s.numTasksInSchedWindow))
s.curSchedPolicy.ConsumeOffers(s, driver, offers)
s.hasReceivedResourceOffers = true
}
@ -211,16 +213,16 @@ func (s *BaseScheduler) StatusUpdate(driver sched.SchedulerDriver, status *mesos
}
// Add task to list of tasks running on node
s.Running[*status.SlaveId.Value][*status.TaskId.Value] = true
s.TasksRunningMutex.Unlock()
s.tasksRunning++
s.TasksRunningMutex.Unlock()
} else if IsTerminal(status.State) {
// Update resource availability.
utilities.ResourceAvailabilityUpdate("ON_TASK_TERMINAL_STATE",
*status.TaskId, *status.SlaveId)
s.TasksRunningMutex.Lock()
delete(s.Running[*status.SlaveId.Value], *status.TaskId.Value)
s.TasksRunningMutex.Unlock()
s.tasksRunning--
s.TasksRunningMutex.Unlock()
if s.tasksRunning == 0 {
select {
case <-s.Shutdown:
@ -401,16 +403,18 @@ func (s *BaseScheduler) LogTaskStatusUpdate(status *mesos.TaskStatus) {
s.Log(lmt, msg)
}
func (s *BaseScheduler) LogSchedPolicySwitch(taskDist float64, name string, nextPolicy SchedPolicyState) {
log := func() {
func (s *BaseScheduler) LogSchedPolicySwitch(name string, nextPolicy SchedPolicyState) {
logSPS := func() {
s.Log(elecLogDef.SPS, name)
s.Log(elecLogDef.GENERAL, fmt.Sprintf("Switching... TaskDistribution[%f] ==> %s", taskDist, name))
}
if s.hasReceivedResourceOffers && (s.curSchedPolicy != nextPolicy) {
log()
logSPS()
} else if !s.hasReceivedResourceOffers {
log()
logSPS()
}
// Logging the size of the scheduling window and the scheduling policy
// that is going to schedule the tasks in the scheduling window.
s.Log(elecLogDef.SCHED_WINDOW, fmt.Sprintf("%d %s", s.schedWindowSize, name))
}
func (s *BaseScheduler) LogClsfnAndTaskDistOverhead(overhead time.Duration) {