Mastering Pod Scheduling With Affinity, Taints & Priority
Pod scheduling in Kubernetes explained: affinity (node & pod), nodeName/nodeSelector, taint/tolerations, priority & priorityclass. Learn how to schedule pods with specific requirements.
This is a quick recap for the points of pod schedual, details can click each title link or the final reference.
1. Affinity
nodeAffinity and nodeAntiAffinity
node labels
podAffinity and podAntiAffinity
pod labels
requiredDuringSchedulingIgnoredDuringExecution and preferredDuringSchedulingIgnoredDuringExecution
topologyKey
2. nodeName/nodeSelector
spec:
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
nodeSelector:
disktype: ssd
---
spec:
nodeName: foo-node # schedule pod to specific node
containers:
- name: nginx
i...