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distributed-database-middle.../umn/source/instance_management/scaling_out_a_ddm_instance.rst
proposalbot 78ac771d84 Changes to ddm_umn from docs/doc-exports#613 (DDM UMN 1st version 
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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: proposalbot <proposalbot@otc-service.com>
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2024-01-08 13:37:20 +00:00

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ddm_06_0011.html

Scaling Out a DDM Instance

Scenarios

As service data increases, you can scale out a DDM instance by adding nodes to improve service stability.

Note

  • 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

  1. In the instance list, locate the DDM instance that you want to scale out and click its name. Click Scale Out.
  2. On the displayed page, view the current instance configuration, select the required AZ, and specify the number of new nodes.
  3. Click Next.
  4. On the displayed page, click Submit if all configurations are correct.