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Scaling Out a DDM Instance
Updated on 2023-10-09 GMT+08:00
Scaling Out a DDM Instance
As service data increases, you can scale out a DDM instance by adding nodes to improve service stability.
Precautions
- Scale out your DDM instance during off-peak hours.
- Make sure that the associated data nodes are normal and not undergoing other operations.
- Each DDM instance supports up to 32 nodes.
- After a read-only group is created, the entry for adding nodes will be moved to the operation column of the group.
Procedure
- Log in to the DDM console.
- On the Instances page, locate the instance that you want to add nodes to and click its name.
- Click Scale Out.
Figure 1 Scaling out a DDM instance
- On the displayed page, select AZs and specify the number of nodes that you want to add.
You can click the plus icon to add multiple nodes. Each DDM instance supports up to 32 nodes.Figure 2 Specifying the number of nodes to be added
- Click Next.
- On the displayed page, click Submit if all configurations are correct. If you want to modify the quantity of nodes, click Previous.
Figure 3 Confirming instance configurations
Parent topic: Instance Management
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