Stateful and Stateless Workloads (Ep 9)
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Description
The purpose of today’s show is coming to a deeper understanding of the meaning of ‘stateful’ versus ‘stateless’ apps, and how they relate to the cloud native environment. We cover some definitions of ‘state’ initially and then move to consider how ideas of data persistence and co-ordination across apps complicate or elucidate understandings of ‘stateful’ and ‘stateless’. We then think about the challenging practice of running databases within Kubernetes clusters, which effectively results in an ephemeral system becoming stateful. You’ll then hear some clarifications of the meaning of operators and controllers, the role they play in mediating and regulating states, and also how important they are in a rapidly evolving but skills-scarce environment.
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