Viewing Parameter Change History of a GaussDB Instance

Scenarios

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

• In a newly replicated or created parameter template, the change history is blank.
• The change history of the last seven days is displayed.
• The parameter change history of read replicas is available only for centralized (1 primary + 2 standby) instances of version V2.0-2.7.1 or later.

Viewing Change History of DB Instance Parameters

1. Log in to the management console.
2. Click in the upper left corner and select a region and project.
3. Click in the upper left corner of the page and choose Databases > GaussDB.
4. On the Instances page, click the name of the target instance to go to the Basic Information page.
5. In the navigation pane on the left, choose Parameters.
   Figure 1 Viewing the parameter change history
   

6. On the displayed page, click Change History.

   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 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 and select a region and project.
3. Click in the upper left corner of the page and choose Databases > GaussDB.
4. Choose Parameter Templates in the navigation pane on the left. On the Custom Templates page, click the parameter template name.

5. On the displayed page, choose Change History in the navigation pane on the left.
   Figure 2 Viewing the change history of a parameter template
   

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