Managing containers isn’t easy. That’s where such programs as Docker swarm mode, Kubernetes, and Mesosphere can make or break your containers initiatives. Perhaps the most popular of these, Kubernetes, has a new release, Kubernetes 1.6, that expands its reach by 50 percent to 5,000 node clusters. Conservatively, that means Kubernetes can manage 25,000 Docker containers at once.
In Kubernetes, a node is a virtual machine (VM) or physical server. Some people run as many as 500 containers per node, which means you could manage 2.5 million containers with Kubernetes.
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