The SHOW COMPUTE NODES syntax is used to query proxy instance information.
ShowComputeNodes ::=
  'SHOW' 'COMPUTE' 'NODES'
| Columns | Description | 
|---|---|
| instance_id | proxy instance id | 
| host | host address | 
| port | port number | 
| status | proxy instance status | 
| mode_type | proxy instance mode | 
| worker_id | worker id | 
| labels | labels | 
SHOW COMPUTE NODES;
mysql> SHOW COMPUTE NODES;
+--------------------------------------+---------------+------+--------+-----------+-----------+--------+
| instance_id                          | host          | port | status | mode_type | worker_id | labels |
+--------------------------------------+---------------+------+--------+-----------+-----------+--------+
| 734bb036-b15d-4af0-be87-2372d8b6a0cd | 192.168.5.163 | 3307 | OK     | Cluster   | -1        |        |
+--------------------------------------+---------------+------+--------+-----------+-----------+--------+
1 row in set (0.01 sec)
SHOW, COMPUTE, NODES
