...
- NUM_NODES=5, suggested_master_size=2
- NUM_NODES=10, suggested_master_size=4
- NUM_NODES=100, suggested_master_size=8
- NUM_NODES=250, suggested_master_size=16
- NUM_NODES=500, suggested_master_size=32
This is actually the node size. There's no indication that either GCE and AWS use multiple masters, just bigger masters – even with hundred-node setups.
config-default.sh
- NODE_SIZE=n1-standard-2
- NUM_NODES=3
- MASTER_DISK_SIZE=20GB
- NODE_DISK_SIZE=100GB
The GCE setup in kubernetes seems to Kubernetes does not indicate separate servers for etcd for events, but etcd on master?they do mention using a separate etcd for events.
See also
GET operations do not always work on 500 node GCE cluster