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    :Downgrade package specifications

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    :Downgrade package specifications

    Last Updated:Jul 07, 2023

    This topic describes how to downgrade package specifications for a cluster instance and a tenant instance.

    Procedure

    Cluster instance

    1. Log on to the ApsaraDB for OceanBase console.

    2. In the left-side navigation pane, click Instances.

    3. In the instance list, click the name of the target cluster instance to go to the Cluster Instance Workspace page.

    4. Click the More icon in the upper-right corner and select Specification Downgrade from the drop-down menu.

    5. In the dialog box that appears, click OK.

    6. Select the target node specifications and storage size. Then, agree to the service agreement.

    7. Click Buy Now and make the payment.套餐规格缩容

      Note

      • You can downgrade the package specifications only when all tenants in the cluster instance are in the Running state.

      • Services may be interrupted during the downgrade. Therefore, perform this operation during off-peak hours.

      • If the package specifications after the downgrade cannot cover the average usage in 7 days, the latency of requests may become higher. Proceed with caution.

      • After the specifications of a Subscription instance are downgraded, the price gap between the original and new specifications will be refunded. For more information, see Refunding rules.

      Limitations

      The following table describes the limitations on package specifications downgrade. When any of the following limitations is met, package specifications downgrade is restricted.

      Limitation

      Description

      Rule 1

      For OceanBase Database V4.0.0.0, you cannot downgrade package specifications to 4 CPU cores (4C).

      Rule 2

      For OceanBase Database V2.2.7.7, you cannot downgrade package specifications to 8C.

      Rule 3

      To downgrade the package specifications for a cluster, you must first downgrade the capacity of tenants to the expected specifications.

    Tenant instance

    1. Log on to the ApsaraDB for OceanBase console.

    2. In the left-side navigation pane, click Instances.

    3. In the instance list, click the name of the target tenant instance to go to the Tenant Instance Workspace page.

    4. Click the More icon in the upper-right corner and select Specification Downgrade from the drop-down menu.

    5. In the dialog box that appears, click OK.

    6. Select the required node specification and agree to the service agreement.

    7. Click Buy Now and make the payment.

      Note

      • The downgrade process may affect database access. Therefore, perform this operation during off-peak hours.