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This article explains how Kubernetes rolling deployments affect pod lifecycle, detailing the startup and shutdown phases, the impact of readiness probes and endpoint updates, and how to prevent connection interruptions by using preStop hooks and proper configuration for zero‑downtime deployments.
This article explains how Kubernetes termination signals work, the graceful shutdown workflow, handling of application termination, customization of grace periods, impact on high availability, best practices, and tools such as preStop hooks to ensure reliable container lifecycle management.
This article analyzes why Kubernetes rolling updates can still cause service interruptions during pod startup and termination, explains the underlying mechanisms of Kubelet and Endpoint Controller, and provides practical steps such as readiness probes and preStop hooks to achieve smoother, near‑zero‑downtime deployments.
Deleting a pod triggers endpoint removal, but various components like kube-proxy, CoreDNS, and ingress controllers may still route traffic until the endpoint fully propagates, so you must wait or use preStop hooks to delay deletion and handle SIGTERM gracefully within the configurable shutdown period.