Describe the difference between a Deployment and a StatefulSet
Tests stateful pod identity versus stateless scaling. Outline: contrast Deployments' interchangeable replicas with StatefulSets' stable hostnames, per-pod PVCs, and ordered rollout; give a database example.
WHAT IT TESTS: when workloads need stable network identity, per-pod persistent storage, and ordered lifecycle management versus stateless fungibility. ANSWER OUTLINE: first, note Deployments create interchangeable pods with random names and no fixed storage, ideal for stateless apps; second, describe StatefulSets' ordinal hostnames, individual PVCs, and sequential rollout; third, name a system like Cassandra or Kafka and justify why node identity and data locality matter.
Read the original → kubernetes.io
- #kubernetes
- #statefulset
- #deployment
- #workloads
- #storage
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