Quiz: In Kubernetes, what object ensures a specified number of Pod replicas are running?
A ReplicaSet maintains a stable set of replica Pods. Deployments manage ReplicaSets and are typically used instead.
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A ReplicaSet maintains a stable set of replica Pods. Deployments manage ReplicaSets and are typically used instead.
A ReplicaSet maintains a stable set of replica Pods. Deployments manage ReplicaSets declaratively and are standard for application rollouts.
A Pod represents a single instance of a running process in your cluster, encapsulating one or more tightly coupled containers, storage resources, and an IP.
A LoadBalancer service type automatically provisions an external cloud load balancer (e.g. AWS ALB/NLB) and routes public traffic to the backend Pods.
ConfigMaps hold general configuration data as key-value pairs; Secrets store sensitive data like credentials and TLS keys with restricted access controls.
A Rolling Update spins up new Pods and waits for their readiness probes to succeed before terminating old Pods, ensuring uninterrupted traffic handling.
Liveness detects deadlocks and restarts the container; Readiness ensures dependencies are initialized before routing traffic to the Pod.
kubelet communicates with the API server to manage local node containers and report health status.