News for hackers. Stuff that matters.

A comment on Bare-Metal Kubernetes with K3s. Parent comment

Re:Bare-Metal Kubernetes with K3s by systemvoltage on Tuesday December 22, 2020 @03:38PM (#25510951)
Thank you.

Is there some sort of a PID-feedback-loop control that monitors the CPU/memory load and helps spin up more instances if it sees more traffic? If Kubernetes doesn't do that, what piece of software can help automatically scale if there is a huge traffic spike?

Load balance AFAIK doesn't do that. It just helps distribute the load.

[ Parent | on HN ]
Re:Bare-Metal Kubernetes with K3s by jedifans on Tuesday December 22, 2020 @05:00PM (#25511805)
Using a HorizontalPodAutoscaler [1] you can scale up and down the amount of "pods" (a grouping of containers that are scheduled as a unit) based on the desired metric.

[1]: https://kubernetes.io/docs/tasks/run-application/horizontal-...

[ Parent | on HN ]
Re:Bare-Metal Kubernetes with K3s by tyldum on Tuesday December 22, 2020 @05:00PM (#25511807)
Autoscaling is a field of its own, yes. Lots of footguns, though.
[ Parent | on HN ]