TIDB_SERVERS_INFO

TIDB_SERVERS_INFO 表提供了 TiDB 集群中 TiDB 服务器的信息（即 tidb-server 进程）。

  1. USE INFORMATION_SCHEMA;
  2. DESC TIDB_SERVERS_INFO;

输出结果如下：

  1. +---------------+--------------+------+------+---------+-------+
  2. | Field         | Type         | Null | Key  | Default | Extra |
  3. +---------------+--------------+------+------+---------+-------+
  4. | DDL_ID        | varchar(64)  | YES  |      | NULL    |       |
  5. | IP            | varchar(64)  | YES  |      | NULL    |       |
  6. | PORT          | bigint(21)   | YES  |      | NULL    |       |
  7. | STATUS_PORT   | bigint(21)   | YES  |      | NULL    |       |
  8. | LEASE         | varchar(64)  | YES  |      | NULL    |       |
  9. | VERSION       | varchar(64)  | YES  |      | NULL    |       |
  10. | GIT_HASH      | varchar(64)  | YES  |      | NULL    |       |
  11. | BINLOG_STATUS | varchar(64)  | YES  |      | NULL    |       |
  12. | LABELS        | varchar(128) | YES  |      | NULL    |       |
  13. +---------------+--------------+------+------+---------+-------+
  14. 9 rows in set (0.00 sec)

查看 TIDB_SERVERS_INFO 表的信息：

  1. SELECT * FROM TIDB_SERVERS_INFO\G

输出结果如下：

  1. *************************** 1. row ***************************
  2.        DDL_ID: 771c169d-0a3a-48ea-a93c-a4d6751d3674
  3.            IP: 0.0.0.0
  4.          PORT: 4000
  5.   STATUS_PORT: 10080
  6.         LEASE: 45s
  7.       VERSION: 8.0.11-TiDB-v8.1.0
  8.      GIT_HASH: 635a4362235e8a3c0043542e629532e3c7bb2756
  9. BINLOG_STATUS: Off
  10.        LABELS:
  11. 1 row in set (0.006 sec)