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)。

USE INFORMATION_SCHEMA; DESC TIDB_SERVERS_INFO;

输出结果如下:

+---------------+--------------+------+------+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------------+--------------+------+------+---------+-------+ | DDL_ID | varchar(64) | YES | | NULL | | | IP | varchar(64) | YES | | NULL | | | PORT | bigint(21) | YES | | NULL | | | STATUS_PORT | bigint(21) | YES | | NULL | | | LEASE | varchar(64) | YES | | NULL | | | VERSION | varchar(64) | YES | | NULL | | | GIT_HASH | varchar(64) | YES | | NULL | | | BINLOG_STATUS | varchar(64) | YES | | NULL | | | LABELS | varchar(128) | YES | | NULL | | +---------------+--------------+------+------+---------+-------+ 9 rows in set (0.00 sec)

查看 TIDB_SERVERS_INFO 表的信息:

SELECT * FROM TIDB_SERVERS_INFO\G

输出结果如下:

*************************** 1. row *************************** DDL_ID: 771c169d-0a3a-48ea-a93c-a4d6751d3674 IP: 0.0.0.0 PORT: 4000 STATUS_PORT: 10080 LEASE: 45s VERSION: 8.0.11-TiDB-v7.6.0 GIT_HASH: 635a4362235e8a3c0043542e629532e3c7bb2756 BINLOG_STATUS: Off LABELS: 1 row in set (0.006 sec)