# The `mysql.tidb` Table

+ Rows with **`variable_name`** starts with **`tikv_gc`** are `GC` related ones
+ **`tikv_gc_safe_point`** and **`tikv_gc_last_run_time`** are updated before `GC` starts

```
tidb> SELECT variable_name, variable_value FROM mysql.tidb;
+--------------------------+-------------------------------------------------------------------------------------------+
| variable_name            | variable_value                                                                            |
+--------------------------+-------------------------------------------------------------------------------------------+
| bootstrapped             | True                                                                                      |
| tidb_server_version      | 91                                                                                        |
| system_tz                | Asia/Shanghai                                                                             |
| new_collation_enabled    | True                                                                                      |
| ~!@tikv_gc_leader_uuid@!~      | 61050e315800001                                                                           |
| ~!@tikv_gc_leader_desc@!~      | host:192.168.1.2, pid:5894, start at 2022-10-26 20:16:15.746921 +0800 CST m=+13.711405232 |
| ~!@tikv_gc_leader_lease@!~     | 20221026-20:26:16 +0800                                                                   |
| ~!@tikv_gc_enable@!~           | true                                                                                      |
| ~!@tikv_gc_run_interval@!~     | 10m0s                                                                                     |
| ~!@tikv_gc_life_time@!~        | 10m0s                                                                                     |
| ~!@tikv_gc_last_run_time@!~    | 20221026-20:16:16 +0800                                                                   |
| ~!@tikv_gc_safe_point@!~       | 20221026-16:08:50 +0800                                                                   |
| ~!@tikv_gc_auto_concurrency@!~ | true                                                                                      |
| ~!@tikv_gc_scan_lock_mode@!~   | legacy                                                                                    |
| ~!@tikv_gc_mode@!~             | distributed                                                                               |
+--------------------------+-------------------------------------------------------------------------------------------+
15 rows in set (0.00 sec)
```

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