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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: wangdengke2 <wangdengke2@huawei.com>
Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
2026-04-30 13:18:04 +00:00

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Modifying a Parameter Template

You can modify parameters in a custom parameter template to bring out the best performance of the service.

Parameter values in default parameter templates cannot be changed.

Though parameter values in a default template cannot be changed, you can view details about a default parameter template. If a custom parameter template is set incorrectly, the database startup may fail. You can re-configure the custom parameter template according to the configurations of the default parameter template.

Modifying Parameters in a Custom Parameter Template

  1. Log in to the GeminiDB console.
  2. In the navigation pane, choose Parameter Templates.
  3. On the Custom Templates tab, click the target parameter template.
  4. Change parameter values as required.

    • To save the modifications, click Save.
    • To cancel the modifications, click Cancel.
    • To preview the modifications, click Preview.

  5. After parameters are modified, click Change History to view parameter modification details.

    For how to view parameter modification details, see Viewing Parameter Change History.
    • The modifications take effect only after you apply the parameter template to DB instances. For details, see Applying a Parameter Template.
    • The change history page displays only the modifications of the last seven days.

Modifying Parameters of a Specified DB Instance

  1. Log in to the GeminiDB console.
  2. In the navigation pane, choose Instances. Click the target instance. The Basic Information page is displayed.
  3. In the navigation pane on the left, choose Parameters. On the displayed page, modify parameters as required.

    • To save the modifications, click Save.
    • To cancel the modifications, click Cancel.
    • To preview the modifications, click Preview.

  4. After parameters are modified, click Change History to view parameter modification details.

    For how to view parameter modification details, see Viewing Parameter Change History.
    After the parameter template is modified, choose whether to reboot the instance based on the information in the Effective upon Reboot column.
    • If the value is Yes and the instance status on the Instances page is Pending restart, restart the instance to apply the changes.
    • If the value is No, the modifications take effect immediately.