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ApsaraDB for MyBase:Manage dedicated clusters

Last Updated:Mar 28, 2026

After you create a dedicated cluster in ApsaraDB for MyBase, you can modify its configuration or delete it from the console.

Prerequisites

Before you begin, ensure that you have:

Modify a dedicated cluster

  1. Log on to the ApsaraDB for MyBase console.

  2. In the upper-left corner, select a region.

  3. In the left-side navigation pane, click Dedicated Clusters.

  4. On the Dedicated Clusters page, find the cluster you want to modify and click Edit in the Actions column.

  5. Configure the parameters described in the following table.

    Modify the information of a dedicated cluster

    ParameterDescription
    Dedicated Cluster NameThe name of the dedicated cluster. Specify a descriptive name to make the cluster easy to identify.
    CPU Overcommit RatioThe CPU overcommit ratio of the dedicated cluster. The default value and valid values vary by database engine. Check the Edit Dedicated Cluster panel for the applicable range.
    Storage Overcommit RatioThe storage overcommit ratio of the dedicated cluster. Configurable only for ApsaraDB MyBase for MySQL clusters. The default value and valid values vary by database engine. Check the Edit Dedicated Cluster panel for the applicable range.
    Maximum Memory Allocation RateThe maximum memory usage allowed per host in the dedicated cluster. The default value and valid values vary by database engine. Check the Edit Dedicated Cluster panel for the applicable range.
    Resource Allocation PolicyThe default policy for allocating resources in the dedicated cluster. Options: Balanced Allocation — new database instances are created on hosts with the most available resources, maximizing cluster stability. Compact Allocation — new database instances are created on hosts that were provisioned earlier and have more resources already allocated, maximizing resource utilization.
    Host Troubleshooting PolicyThe policy for handling host failures. Options: Automatic Host Replacement — the system automatically replaces faulty hosts. If the host uses Enhanced SSDs (ESSDs), it is replaced after computing resources are migrated. If the host uses local SSDs, it is replaced only after all instances are removed. Manual Host Replacement — you must replace faulty hosts manually.
    Grant OS PermissionsGrants OS-level access to hosts in the dedicated cluster. Applies to clusters running MySQL, SQL Server, or PostgreSQL. Once granted, hosts can be accessed to upload and download files and install software.
    Important

    OS permissions cannot be revoked after they are granted.

  6. Click OK.

Delete a dedicated cluster

  1. Log on to the ApsaraDB for MyBase console.

  2. In the upper-left corner, select a region.

  3. In the left-side navigation pane, click Dedicated Clusters.

  4. On the Dedicated Clusters page, find the cluster you want to delete and click Delete in the Actions column.

    Delete a dedicated cluster

  5. In the confirmation dialog, click OK.