Endpoint slice
An EndpointSlice is a Kubernetes API resource representing a subset of network endpoints for a Service and their associated metadata.
Google Anthos in Action
An EndpointSlice is a Kubernetes resource that contains a subset of network endpoints for a Service.
- How it is used
- Maps Kubernetes Services to matching application Pods so Services retain stable access as Pod IP addresses change.
- How deep it goes
- Explains selector matching, IP population, and controller updates, but does not detail EndpointSlice fields or scaling internals.
- Examples
- Uses an nginx-frontend selector, matching Pods, concrete Pod IP addresses, and a Kubernetes endpoints diagram.
- What you can do after
- Diagnose/debug with it by tracing Service selectors to matching Pods and checking endpoint updates after Pod restarts.
Kubernetes in Action, Second Edition
An EndpointSlice is a Kubernetes API resource that represents a scalable set of network endpoints for a Service and their associated metadata.
- How it is used
- Represents scalable Service endpoints and supplies readiness and topology information for traffic routing.
- How deep it goes
- Explains slicing limits, generated names, inspection fields, readiness, and topology hints without detailing controller implementation internals.
- Examples
- Uses kubectl listings, label selectors, describe output, readiness states, and zone-specific endpoint hints.
- What you can do after
- Diagnose Service endpoint membership and readiness with kubectl, then interpret topology hints and endpoint metadata.
Read how Kubernetes in Action, Second Edition explains endpoint slice →
Related concepts
- endpoints objectalternative to · A Kubernetes Endpoints object is an API resource listing the network addresses and ports of destinations eligible to receive traffic for a Service.
- ingress controllerused by · An ingress controller is a Kubernetes component that implements Ingress routing rules by directing external network traffic to services within a cluster.
- serviceused by · A Kubernetes Service is an API resource that provides stable network access and service discovery for a changing set of Pods or other specified destinations.
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