February 27, 2023

Optimize Azure Kubernetes Service Node Cost by Combining OnDemand and Spot VMs

Overview While it’s possible to run the kubernetes nodes either in on-demand or spot node pools separately. We can optimize the application cost without compromising the reliability by placing the pods unevenly on spot and OnDemand VMs using the topology spread constraints. With baseline amount of pods deployed in OnDemand node pool offering reliability we can scale on spot node pool based on the load at a lower cost. In this post, we will go through step by step approach on deploying an application spread unevenly on spot and OnDemand VMs. Read more

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