Priority Mechanisms in Kubernetes: QoS and PriorityClass
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Key Takeaways
Priority management in Kubernetes involves two main concepts: Quality of Service (QoS) classes and Pod Priority.
Quality of Service classes define how Pods are treated at runtime based on their resource requests and limits. Pods in higher QoS classes are less likely to be evicted when the node is under resource pressure.
To define a Pod's QoS class, set appropriate resource requests and limits for its containers.
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