Ray's Galactic Tech

Dec 11, 2025 · Cloud Native

How to Vertically Scale Kubernetes Pods Without Restarting

This guide explains both the traditional restart‑based method and the modern InPlacePodVerticalScaling feature introduced in Kubernetes 1.27+, showing step‑by‑step commands, prerequisites, limitations, and best‑practice recommendations for safely performing vertical pod scaling in production environments.