No matter the etymology, all of these terms can start blending together, especially if you’re just learning the ropes of containers and container orchestration. Definitions: The difference between a pod, a cluster, and a container
It has a language of its own, too: Pods and nodes and clusters and secrets (what are they hiding?!) and kubelet and.well, there’s a lot to parse through here.Ĭan we deduce similar connections to more mundane counterparts? Pod, like, a peapod? It’s not totally off-target! (In fact, the Kubernetes documentation references the peapod, as well as a pod of whales, in defining the term.) And yes, a cluster represents a grouping or multiple of things – that’s true in the Kubernetes and cloud-native lingo, too. Then there’s Kubernetes, the open source orchestration platform and all-around darling of the cloud-native world. A container orchestrator makes sure that all of the component pieces of a system “play” in the right place at the right time, and stop when they’re no longer needed. Similarly, if orchestration makes you picture the conductor who leads a musical ensemble, you’re on the right path. (The maritime shipping container is another popular analogy.) A container is sort of like the Tupperware of software: It holds your application or service – and everything it needs to run – inside. In both cases, the technologies these terms represent draw on the more universal meanings of the underlying words. We recently shared some plain-English definitions of orchestration and containers. The cloud-native ecosystem has generated a new jargon, and containerization and orchestration are central to the vocabulary.
0 kommentar(er)
