| [ | |
| { "name": "rank0 (coordinator)", "host": "rank0", "agent_port": 8900, "gloo_port": 29560 }, | |
| { "name": "rank1", "host": "rank1", "agent_port": 8900, "gloo_port": 29560 }, | |
| { "name": "rank2", "host": "rank2", "agent_port": 8900, "gloo_port": 29560 } | |
| ] | |