# oushu_vcluster

The system view `oushu_vcluster` provides the information of virtual cluster.



Table 1. `pg_catalog.oushu_vcluster`

| column        | type    | references | description                                                  |
| :---------    | :------ | :--------- | :----------------------------------------------------------- |
| `vc`          | text    |            | The name of virtual cluster.                                 |
| `vci`         | text    |            | The name of virtual cluster instance or `null`.              |
| `segments`    | integer |            | All ip addresses of segments in the virtual cluster instance or `null`. |
| `status`      | "char"  |            | The status of virtual cluster (instance). Possible values are:<br>- e: no segments;<br>- d: all semgments are down;<br>- s: no resource queues defined;<br>- b: It's busy and cannot accept the new query;<br>- i: no queries in the virtual cluster (instance);<br>- u: some queries in the virtual cluster (instance).              |
| `idle`        | text    |            | Duration of time in idle state.                              |
| `lastupdate`  | text    |            | Time when the vc/vci was last changed.                       |