Viewing Parameter Change History

Scenarios

You can view the change history of DB instance parameters or custom parameter templates.

The change history for an exported or custom parameter template is initially blank.

Viewing Change History of a DB Instance

1. Log in to the management console.
2. Click in the upper left corner of the page and choose Databases > Relational Database Service.
3. On the Instances page, click the target DB instance.
4. In the navigation pane on the left, choose Parameters. On the displayed page, click Change History. The parameter change history of the last seven days is displayed.

   You can view the parameter name, original parameter value, new parameter value, modification status, modification time, application status, and application time.

   You can apply the parameter template to DB instances as required by referring to Applying a Parameter Template.

Viewing Change History of a Parameter Template

1. Log in to the management console.
2. Click in the upper left corner of the page and choose Databases > Relational Database Service.
3. In the navigation pane on the left, choose Parameter Templates.
4. Choose Parameter Templates in the navigation pane on the left. On the Custom Templates page, click the target parameter template.
5. On the displayed page, choose Change History in the navigation pane on the left. The parameter change history of the last seven days is displayed.
   Figure 1 Viewing parameter change history
   

   You can view the parameter name, original parameter value, new parameter value, modification status, and modification time.

   You can apply the parameter template to DB instances as required by referring to Applying a Parameter Template.

Viewing Parameter Changes

1. Log in to the management console.
2. Click in the upper left corner of the page and choose Databases > Relational Database Service.
3. In the navigation pane on the left, choose Parameter Templates.
4. On the Parameter Templates page, click the Parameter Changes tab.
   Figure 2 Viewing parameter changes
   

5. Click View Details in the Operation column.

   You can view detailed information about the modified parameters.