April 2018
Intermediate to advanced
468 pages
14h 34m
English
The StatefulSet controller is a relatively new addition to Kubernetes (introduced as PetSets in Kubernetes 1.3 and renamed StatefulSet in Kubernetes 1.5). It is especially designed to support distributed stateful applications where the identities of the members are important, and if a pod is restarted it must retain its identity in the set. It provides ordered deployment and scaling. Unlike regular pods, the pods of a stateful set are associated with persistent storage.
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