Answer
Pods get stable names, PVCs, and ordinals that persist across restarts.
Quick Answer
StatefulSet Pods get stable, predictable names: app-0, app-1, app-2. Each gets its own PersistentVolumeClaim (volumeClaimTemplate). Even after restarts or rescheduling, app-0 always gets the same PVC with the same data. The Headless Service gives each Pod a stable DNS name. This identity stability is what databases need for leader election and replication.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ