system.cluster

包含集群节点的相关信息。

SELECT * FROM system.clusters;
+------------------------+---------+------+
| name                   | host    | port |
+------------------------+---------+------+
| 2KTgGnTDuKHw3wu9CCVIf6 | 0.0.0.0 | 9093 |
| bZTEWpQGLwRgcRyHre1xL3 | 0.0.0.0 | 9092 |
| plhQlHvVfT0p1T5QdnvhC4 | 0.0.0.0 | 9091 |
+------------------------+---------+------+