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For questions about Kubernetes, an open-source system for automating deployment, scaling, and management of containerized applications.

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Does Kubernetes internal networking keep traffic to co-located Pods where possible?

In Kubernetes, if I run a Service Foo on every Node, and also Service Bar on every Node, i.e. with DaemonSets. … In case specifics matter: The CoreDNS service runs as clusterIP: 172.20.0.10 The services that use CoreDNS run as type: NodePort The Kubernetes cluster is AWS EKS, v1.14.9. …
Tom's user avatar
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3 votes
Accepted

Does Kubernetes internal networking keep traffic to co-located Pods where possible?

No, Kubernetes will load-balance requests to a ClusterIP across all Pods with matching labels (and passing readiness checks). It won't keep traffic within the same Node. …
Tom's user avatar
  • 151