# Viewing TiDB Configuration Parameters

__*TiDB system configuration view*__
__*TiDB cluster configuration view*__
__*View TiDB system parameters*__
__*View TiDB cluster parameters*__

+ You can directly view the configuration information of all instances in the cluster by using the SQL statement show config:
  + `show config`;

-------------------------------------------------------------
You can directly view the configuration information of all instances in the cluster by using the SQL statement show config. The results are as follows:
```
show config;
```
+—+—+—+—+
| Type | Instance | Name | Value |
+—+—+—+—+
| tidb | 127.0.0. 1:4001 | advertise-address | 127.0.0.1 |
| tidb | 127.0.0. 1:4001 | binlog.binlog-socket | |
| tidb | 127.0.0. 1:4001 | binlog.enable | false |
| tidb | 127.0.0. 1:4001 | binlog.ignore-error | false |
| tidb | 127.0.0. 1:4001 | binlog.strategy | range |
| tidb | 127.0.0. 1:4001 | binlog.write-timeout | 15s |
| tidb | 127.0.0. 1:4001 | check-mb4-value-in-utf8 | true |
...

You can also filter by corresponding column, such as:

show config where type='tidb'

show config where instance in (...)

show config where name like '%log%'

show config where type='tikv' and name='log-level'