kubernetes
8 minKubernetes Requests, Limits, and Autoscaling: A Practical Capacity Model
Connect pod resource requests and limits to scheduling, throttling, eviction risk, and Horizontal Pod Autoscaler behavior.
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Q&A
Q&AWhat happens when a Kubernetes container reaches its CPU or memory limit?
CPU can be throttled; exceeding a memory limit can trigger an OOM kill.
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CPU usage above a configured limit is throttled, which can increase latency without stopping the process. Memory is not throttled in the same way: crossing the container limit can cause the kernel to kill the process, often reported as OOMKilled. Requests affect scheduling and utilization-based HPA calculations, so tune all values from observed workload behavior.