[scheduler] descheduler - Policy 설정

Policy 는 설정이 가능하며, enable, disable 이 가능하다. Default 로 모든 strategies 는 enable 되어있다. 

 

[Policy 설정 예시]

 

Policy:

apiVersion: "descheduler/v1alpha1"
kind: "DeschedulerPolicy"
nodeSelector: prod=dev
evictFailedBarePods: false
evictLocalStoragePods: true
evictSystemCriticalPods: true
maxNoOfPodsToEvictPerNode: 40
ignorePvcPods: false
strategies:
  ...

 

[Policy parameters] 

Name	Default Value	Description
nodeSelector	nil	limiting the nodes which are processed
evictLocalStoragePods	false	allows eviction of pods with local storage
evictSystemCriticalPods	false	[Warning: Will evict Kubernetes system pods] allows eviction of pods with any priority, including system pods like kube-dns
ignorePvcPods	false	set whether PVC pods should be evicted or ignored
maxNoOfPodsToEvictPerNode	nil	maximum number of pods evicted from each node (summed through all strategies)
evictFailedBarePods	false	allow eviction of pods without owner references and in failed phase