This topic describes how to change the values of cluster parameters in the ApsaraDB for PolarDB console.


  • You must change the values of cluster parameters based on the Value Range column on the Parameters page.Parameters
  • After the values of certain cluster parameters are changed, you must restart all the nodes to apply the changes. We recommend that you make appropriate service arrangements before you restart the nodes. Use caution if you need to restart the nodes. For more information, see the Force Restart column on the Parameters page.Parameters


  1. Log on to the Apsara PolarDB console.
  2. On the top of the page, select the region where the target cluster is located.
  3. Find the target cluster and click the cluster ID to go to the Overview page.
  4. In the left-side navigation pane, choose Settings and Management > Parameters.
  5. In the Current Value column on the page that appears, change the values of one or more parameters. Then, click Apply Changes.
    Apply Changes
  6. In the Save Changes pane, click OK.
    Save Changes

Related API operations

API operation Description
DescribeDBClusterParameters Views cluster parameters.
ModifyDBClusterParameters Modifies the values of cluster parameters.