Kubic:SystemRequirements

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System Requirements

MicroOS System Role

  • Main memory: minimal 1 GB physical RAM (additional memory is needed for your workload)
  • Hard disk: 20 GB available disk space (40GB+ recommended, increasing based on the needs of your container workloads)

kubeadm System Role

  • Main memory: minimal 4 GB physical RAM (8 GB recommended, additional memory may be needed depending on your workload)
  • Hard disk: minimal 30 GB available disk space (40GB+ recommended, increasing based on the needs of your container workloads). The master nodes need a fast harddisk, write speed for etcd is really critical.
  • 2 CPUs or more
  • Full network connectivity between all machines in the cluster (public or private network is fine)
  • Unique hostname and MAC address for every node
  • Swap disabled. You MUST disable swap in order for kubernetes to work properly