Question

SHOW [GLOBAL|SESSION] STATUS 语句用于提供 MySQL 兼容性，对 TiDB 没有作用。因为 TiDB 使用 Prometheus 和 Grafana 而非 SHOW STATUS 来进行集中度量收集。

语法图

ShowStmt:

ShowTargetFilterable:

GlobalScope:

示例

show status;

+--------------------+--------------------------------------+
| Variable_name      | Value                                |
+--------------------+--------------------------------------+
| Ssl_cipher_list    |                                      |
| server_id          | 93e2e07d-6bb4-4a1b-90b7-e035fae154fe |
| ddl_schema_version | 141                                  |
| Ssl_verify_mode    | 0                                    |
| Ssl_version        |                                      |
| Ssl_cipher         |                                      |
+--------------------+--------------------------------------+
6 rows in set (0.01 sec)

show global status;

+--------------------+--------------------------------------+
| Variable_name      | Value                                |
+--------------------+--------------------------------------+
| Ssl_cipher         |                                      |
| Ssl_cipher_list    |                                      |
| Ssl_verify_mode    | 0                                    |
| Ssl_version        |                                      |
| server_id          | 93e2e07d-6bb4-4a1b-90b7-e035fae154fe |
| ddl_schema_version | 141                                  |
+--------------------+--------------------------------------+
6 rows in set (0.00 sec)

MySQL 兼容性

SHOW [GLOBAL|SESSION] STATUS 语句仅用于提供 MySQL 兼容性。

另请参阅

• FLUSH STATUS