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Scheduler support for hugepages

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This commit is contained in:
Derek Carr
2017-08-17 14:53:10 -04:00
parent 1ec2a69d9a
commit 41a4e2ccad
6 changed files with 111 additions and 20 deletions
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19
plugin/pkg/scheduler/algorithm/predicates/predicates.go
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@@ -509,6 +509,12 @@ func GetResourceRequest(pod *v1.Pod) *schedulercache.Resource {
result.SetExtended(rName, value)
}
}
if v1helper.IsHugePageResourceName(rName) {
value := rQuantity.Value()
if value > result.HugePages[rName] {
result.SetHugePages(rName, value)
}
}
}
}
}
@@ -542,7 +548,12 @@ func PodFitsResources(pod *v1.Pod, meta interface{}, nodeInfo *schedulercache.No
// We couldn't parse metadata - fallback to computing it.
podRequest = GetResourceRequest(pod)
}
if podRequest.MilliCPU == 0 && podRequest.Memory == 0 && podRequest.NvidiaGPU == 0 && podRequest.EphemeralStorage == 0 && len(podRequest.ExtendedResources) == 0 {
if podRequest.MilliCPU == 0 &&
podRequest.Memory == 0 &&
podRequest.NvidiaGPU == 0 &&
podRequest.EphemeralStorage == 0 &&
len(podRequest.ExtendedResources) == 0 &&
len(podRequest.HugePages) == 0 {
return len(predicateFails) == 0, predicateFails, nil
}
@@ -567,6 +578,12 @@ func PodFitsResources(pod *v1.Pod, meta interface{}, nodeInfo *schedulercache.No
}
}
for rName, rQuant := range podRequest.HugePages {
if allocatable.HugePages[rName] < rQuant+nodeInfo.RequestedResource().HugePages[rName] {
predicateFails = append(predicateFails, NewInsufficientResourceError(rName, podRequest.HugePages[rName], nodeInfo.RequestedResource().HugePages[rName], allocatable.HugePages[rName]))
}
}
if glog.V(10) {
if len(predicateFails) == 0 {
// We explicitly don't do glog.V(10).Infof() to avoid computing all the parameters if this is