After you create a dedicated cluster in ApsaraDB for MyBase, you can view, modify, and delete the dedicated cluster.

Background information

For more information about ApsaraDB for MyBase, see What is ApsaraDB for MyBase?

View the information about a dedicated cluster in ApsaraDB for MyBase

  1. Log on to the ApsaraDB for MyBase console.
  2. In the upper-left corner of the page, select the region where you want to deploy the dedicated cluster.
  3. On the Clusters page, you can view the information about the dedicated cluster. You can download the information to your local computer.
    • By default, the Dedicated Cluster ID, VPC, and Hosts columns are displayed in the list. You can click Custom Columns icon in the upper-right corner to select the columns that you want to view. Specify the columns that you want to view
    • You can click the Export Resources icon icon in the upper-right corner to download the information about the dedicated clusters to your local computer.
  4. Find the dedicated cluster that you want to view and click Details in the Actions column.
  5. On the Basic Information page, you can view the parameters for the dedicated cluster.
    The following table describes the parameters.
    Parameter Description
    Dedicated Cluster ID/Name The ID and name of the dedicated cluster.
    VPC The virtual private cloud (VPC) to which the dedicated cluster is connected.
    Hosts The number of hosts in the dedicated cluster.
    Instances The number of instances in the dedicated cluster.
    Host Troubleshooting Policy The policy based on which the system handles host failures in the dedicated cluster.
    Note The manual host replacement feature is unavailable because hosts in MyBase for SQL Server dedicated clusters do not support the local SSD storage type. You can select only the Automatic Host Replacement policy.
    Resource Allocation Policy The default policy based on which the system allocates database instances in the dedicated cluster. Valid values:
    CPU Overcommit Ratio The CPU overcommitment ratio of the dedicated cluster. The CPU overcommitment ratio can range from 100% to 300%. The default ratio is 200%. If you use the default value, the system can allocate twice the number of the provided CPU resources.
    Storage Overcommit Ratio The storage overcommitment ratio of the dedicated cluster. The storage overcommitment ratio can range from 100% to 200%. The default ratio is 100%.
    Maximum Memory Usage The maximum memory usage of each host in the dedicated cluster. The value can range from 0% to 100%. The default value is 100%.
    Grant OS Permissions Specifies whether the feature that allows you to have permissions on the host OS is enabled.
    Creation Time The time when the dedicated cluster was created.

Modify a dedicated cluster in ApsaraDB for MyBase

  1. Log on to the ApsaraDB for MyBase console.
  2. In the upper-left corner of the page, select the region where you want to deploy the dedicated cluster.
  3. On the Dedicated Clusters page, find the dedicated cluster that you want to modify, and click Edit in the Actions column.
  4. On the page that appears, configure the following parameters.
    Modify a dedicated cluster
    Parameter Description
    Dedicated Cluster Name The name of the dedicated cluster. You can customize the name for easy identification.
    CPU Overcommit Ratio The CPU overcommitment ratio of the dedicated cluster. The CPU overcommitment ratio can range from 100% to 300%. The default ratio is 200%. If you use the default value, the system can allocate twice the number of the provided CPU resources.
    Storage Overcommit Ratio The storage overcommitment ratio of the dedicated cluster. The storage overcommitment ratio can range from 100% to 200%. The default value is 100%. After you create a dedicated cluster, the value cannot be changed.
    Maximum Memory Usage The maximum memory usage of each host in the dedicated cluster. The value can range from 0% to 100%.
    Note We recommend that you set the maximum memory usage of a host to a value that is less than or equal to 90% and manually modify the value of this parameter.
    Resource Allocation Policy The default policy based on which the system allocates database instances in the dedicated cluster. Valid values:
    Host Troubleshooting Policy The policy based on which the system handles host failures in the dedicated cluster. Valid values:
    Note The manual host replacement feature is unavailable because hosts in MyBase for SQL Server dedicated clusters do not support the local SSD storage type. You can select only the Automatic Host Replacement policy.
    Grant OS Permissions After you create a dedicated cluster, the configuration cannot be changed.
    Note When you create a dedicated cluster, make sure you select a suitable option for Open OS Permission.
  5. Click OK.

Delete a dedicated cluster in ApsaraDB for MyBase

  1. Log on to the ApsaraDB for MyBase console.
  2. In the upper-left corner of the page, select the region where you want to deploy the dedicated cluster.
  3. On the Dedicated Clusters page, find the dedicated cluster that you want to delete, and click Delete in the Actions column.
    Note The dedicated cluster can be deleted only after the hosts and the instances that are deployed in the dedicated cluster are deleted.
  4. In the message that appears, click OK.