kafka-ui/kafka-ui-react-app/mock/payload/clusters.json

[
  {
    "id": "fake.cluster",
    "name": "fake.cluster",
    "defaultCluster": true,
    "status": "online",
    "brokerCount": 1,
    "onlinePartitionCount": 20,
    "topicCount": 2,
    "bytesInPerSec": 3201,
    "bytesOutPerSec": 4320
  },
  {
    "id": "kafka-ui.cluster",
    "name": "kafka-ui.cluster",
    "defaultCluster": false,
    "status": "offline",
    "brokerCount": 1,
    "onlinePartitionCount": 20,
    "topicCount": 2,
    "bytesInPerSec": 8341,
    "bytesOutPerSec": 10320
  }
]