You can use the cluster management feature of DAS to combine instances of the same database engine into a cluster, and then view the information about these instances such as performance trends, slow log trends, and global storage usage at the cluster level.
- PolarDB MySQL
- PolarDB PostgreSQL
- PolarDB Oracle
Among the preceding types of database engines, MySQL, Redis, MongoDB, and PostgreSQL databases can be either ApsaraDB for RDS databases or user-created databases.
A database instance can belong to only one cluster.
- Log on to the DAS console.
- In the left-side navigation pane, click Clusters.
- In the upper-right corner of the Clusters page, click Add Cluster.
In the Add Cluster dialog box that appears, configure the parameters listed in the following table. Then, click Save.
Parameter Description Cluster Name Enter a name for the new cluster. Select Environment Valid values: Development environment, Test environment, and Production environment. Select Engine Select a database engine that supports cluster management. Cluster Description Enter a description for the cluster.
In the Actions column corresponding to a cluster, you can perform the following operations on the cluster:
- Edit: modifies the information of the cluster, such as the cluster name, environment, engine, and description.
- Delete: deletes the cluster from the cluster list.
- Monitor: displays the Cluster Overview, Dashboard, and Cluster Storage settings of the cluster.