# Example 1: Modifying TiKV Configuration File Parameters Dynamically for Entire Cluster

__*zz-BGL*__
__*zz-Jeff*__


```
tidb> SHOW CONFIG WHERE name='split.qps-threshold';
+------+-----------------+---------------------+-------+
| Type | Instance        | Name                | Value |
+------+-----------------+---------------------+-------+
| tikv | 127.0.0.1:20161 | split.qps-threshold | 3000  |
| tikv | 127.0.0.1:20162 | split.qps-threshold | 3000  |
| tikv | 127.0.0.1:20160 | split.qps-threshold | 3000  |
+------+-----------------+---------------------+-------+
3 rows in set (0.01 sec)

tidb> ~!@SET CONFIG TIKV@!~ split.qps-threshold=2000;
Query OK, 0 rows affected (0.12 sec)

tidb> SHOW CONFIG WHERE name='split.qps-threshold';
+------+-----------------+---------------------+-------+
| Type | Instance        | Name                | Value |
+------+-----------------+---------------------+-------+
| tikv | 127.0.0.1:20162 | split.qps-threshold | ~!@2000@!~  |
| tikv | 127.0.0.1:20160 | split.qps-threshold | ~!@2000@!~  |
| tikv | 127.0.0.1:20161 | split.qps-threshold | ~!@2000@!~  |
+------+-----------------+---------------------+-------+
3 rows in set (0.02 sec)
```

----------------------------------------------------------------------
[no notes]