# Parameter Configuration

This article will explain how to modify the parameters of the TiDB instance through the console.

## Enter the Management Page

Find the corresponding instance on the product homepage, and click the "Details" button to enter the details page.

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## View

Switch to the "Parameter Configuration" panel, all parameters and current configurations will be automatically listed

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## Modification

Enter the parameter you want to modify in the input box of the parameter value column in the parameter list, and click submit

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## Parameter List

| Parameter Name| Default Value | Range | Need to Restart | Parameter Description | 
| --- | --------- | ------- | ------ | ------- | 
|proxysql_mysql-max_connections|2048|1 ~ 1000000|No|Total maximum connections for all users|
|proxysql_max_connections|10000|1 ~ 100000|No|Maximum connections per user|
|tidb_gc|10m0s|[10m - 720h]|No|tikv_gc_life_time|
|tidb_txn-total-size-limit | 104857600 | [104857600 - 1099511627776] |Yes| txn-total-size-limit|
| tidb_max-index-length |3072|[3072 - 12288]|Yes|max-index-length|