Question

Is kubernetes 20$ adapted to a system with 1000 concurrent users ?

Hi, I would like to know if Kubernetes with 4GB Memory and 2vCPUs can handle 1000 concurent users

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This will depend on your application and the memory usage per user. I would try with a larger node to ensure stability then use monitoring tools like Prometheus to get a better understanding of your app’s average use cases during high and low traffic times. This should very easily show you what your application demands while not putting the stability of your application at risk. If you find it falls well within the amounts located on the nodes allocatable memory table (linked below) you could consider downsizing your nodes.

https://www.digitalocean.com/docs/kubernetes/#allocatable-memory

It depends the workload:

  • If you’re serving a static webpage, the $5 VPS will be sufficient.
  • If you’re streaming HD videos you’ll probably need a few more machines.