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7.2.2.3. Minimum resource requirements

Each cluster machine must meet the following minimum requirements:

MachineOperating SystemvCPU [1]Virtual RAMStorage

Bootstrap

RHCOS

2

16 GB

120 GB

Control plane

RHCOS

2

16 GB

120 GB

Compute

RHCOS

2

8 GB

120 GB

  1. 1 vCPU is equivalent to 1 physical core when simultaneous multithreading (SMT), or hyperthreading, is not enabled. When enabled, use the following formula to calculate the corresponding ratio: (threads per core × cores) × sockets = vCPUs.