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A memory-hungry service needs a bigger request. Why has that always meant a restart, and what changed?

Changing pod resources historically required recreation, which made vertical autoscaling disruptive for workloads with expensive recovery. In-place resize changes that, with limits worth knowing.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Changing pod resources historically required recreation, which made vertical autoscaling disruptive for workloads with expensive recovery. In-place resize changes that, with limits worth knowing.

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Next in this trackShould we migrate from Ingress to Gateway API? Make the case either way.Next in this trackIngress NGINX is retired, but it still serves our traffic. How would you migrate without breaking customers?Next in this trackYou are at twelve clusters and adding two a quarter. How do you stop each one becoming a snowflake?

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