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Kubernetes scheduler extender

Feb 8, 2016 / in Main Blog / by Ravi Gadde

Motivation Kubernetes(k8s) currently schedules pods based on cpu, memory resources. k8s uses flat networking, the pod pecification doesn’t carry any networking requirements. Hence networking is not a scheduling constraint. Similarly, storage is network attached and hence not a scheduling constraint. To help enrterprise applications achieve consistent performance, I/O (storage & network) and QoS are also important considerations for the scheduler. This started us down the path of exploring extensibility options for the k8s scheduler.

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