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fixed bug in schedWindow resizing strategy, where earlier it was stopping after checking if the first task in the queue can be scheduled in the next offer cycle. Changed baseScheduler to store the schedWindowResizingStrategy instead of the criteria. Retrofitted the scheduling policies to use the scheduling window resizing strategy directly from baseSchedRef.

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This commit is contained in:
Pradyumna Kaushik 2018-02-02 17:06:59 -05:00
parent 3ebd7b0c7e
commit 435c4ca1bc
6 changed files with 20 additions and 21 deletions
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4
schedulers/first-fit.go
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@ -4,7 +4,6 @@ import (
"bitbucket.org/sunybingcloud/elektron/def"
"bitbucket.org/sunybingcloud/elektron/utilities/mesosUtils"
"bitbucket.org/sunybingcloud/elektron/utilities/offerUtils"
"bitbucket.org/sunybingcloud/elektron/utilities/schedUtils"
"fmt"
mesos "github.com/mesos/mesos-go/api/v0/mesosproto"
sched "github.com/mesos/mesos-go/api/v0/scheduler"
@ -106,8 +105,7 @@ func (s *FirstFit) ConsumeOffers(spc SchedPolicyContext, driver sched.SchedulerD
if baseSchedRef.schedPolSwitchEnabled {
// Need to recompute the schedWindow for the next offer cycle.
// The next scheduling policy will schedule at max schedWindow number of tasks.
baseSchedRef.schedWindow = schedUtils.
SchedWindowResizingCritToStrategy[baseSchedRef.schedWindowResizeCrit].Apply(
baseSchedRef.curSchedWindow = baseSchedRef.schedWindowResStrategy.Apply(
func() interface{} { return baseSchedRef.tasks })
// Switching to a random scheduling policy.
// TODO: Switch based on some criteria.