# Example 2: Modifying TiKV Configuration File Parameters Dynamically for Single Server Instance

__*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 '127.0.0.1:20160'@!~ split.qps-threshold=2000;
Query OK, 0 rows affected (0.03 sec)

tidb> SHOW CONFIG WHERE name='split.qps-threshold';
+------+-----------------+---------------------+-------+
| Type | Instance        | Name                | Value |
+------+-----------------+---------------------+-------+
| tikv | 127.0.0.1:20160 | split.qps-threshold | ~!@2000@!~  |
| tikv | 127.0.0.1:20161 | split.qps-threshold | 3000  |
| tikv | 127.0.0.1:20162 | split.qps-threshold | 3000  |
+------+-----------------+---------------------+-------+
3 rows in set (0.01 sec)
```
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[no notes]