Hi, I’m trying to achieve service routing in which PODs on the same Node communicate with each other using endpoints on the same Node (and only using other endpoints in case when there is no “local” endpoint available). There is trafficDistribution: PreferClose option present on Service (from 1.30…

Thanks a lot! This was the piece I was missing. Although I have already read this page before I didn’t notice that the topology-mode annotation needs to be turned on to make trafficDistribution work. So, after adding this annotation to the service: --- apiVersion: v1 kind: Service metadata: name…

Make sure ServiceTrafficDistribution is enabled explicitly. On 1.30 by defaults its not enabled, on 1.31 its by default enabled. API Server: --feature-gates="ServiceTrafficDistribution=true" kube-proxy: --feature-gates="ServiceTrafficDistribution=true" Feature Gates This page con…

Yes, I have already checked that before writting the post. And as I said - I’m using 1.31 Kubernetes version, so it is enabled by default: kubectl get --raw //metrics | grep kubernetes_feature_enabled | grep ServiceTrafficDistribution kubernetes_feature_enabled{name="ServiceTrafficDistribution",st…

Hi, Have you checked Topology Aware Routing | Kubernetes ?

Hi. I am trying the same configuration with k8s 1.31.4 and it does not seem to work. I see connections made to all destination pods behind a service, instead of only the pod at the same node as the source pod. I have included the annotation for topology mode auto in my services, and also labeled …

Hi, How many endpoint does your service have in total?

How to configure trafficDistribution for PreferClose option?

General Discussions

Spiros_Pantazis March 17, 2025, 8:02am 8

Hi.

3 endpoints in a cluster of 3 worker nodes

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How to configure trafficDistribution for PreferClose option?

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