ApsaraDB for ClickHouse:Change elastic configuration for an Enterprise Edition cluster

Background

An Enterprise Edition cluster's compute resources automatically scale up or down based on the instance workload. The elastic scaling configuration lets you define the range for this auto scaling. Based on this range, the cluster automatically adds or removes resources in increments of ClickHouse Compute Unit (CCU).

Prerequisites

You have created an ApsaraDB for ClickHouse Enterprise Edition cluster. For more information, see Create a cluster.

Usage notes

• The cluster only scales within the specified minimum and maximum CCU limits.

• Changes to the elastic scaling configuration take effect immediately and do not affect your services.

Billing

You are not charged for changing the elastic scaling range. You are charged only for the CCUs that you use.

Procedure

1. Log on to the ApsaraDB for ClickHouse console.

2. In the upper-left corner of the page, select the region of your target cluster.

3. On the Clusters page, click the Enterprise Edition Clusters tab.

4. In the Change Cluster Configuration column of the target cluster, click Change Cluster Configuration. From the drop-down list, click Scale Up or Scale Down.

5. In the dialog box, set Minimum Reserved Specs per Server and Maximum Specs per Server.

6. Click OK.

   Important

   During the change, the cluster status is Changing Specification. The process is complete when the status changes to Running.