Even if you have more than enough resources on your underlying node, you container workload will still be throttled because it was not configured properly. So what’s going on here? CPU throttling occurs when you configure a CPU limit on a container, which can invertedly slow your applications response-time. In the above figure, the CPU utilization of a container is only 25%, which makes it a natural candidate to resize down.įigure 2: Huge spike on Response Time after Resize to ~50% CPU utilisationīut after we resize down the container (container CPU utilization is now 50%, still not high), the response time quadrupled!!!
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