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distributed-database-middle.../umn/source/instance_management/scaling_in_a_ddm_instance.rst
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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
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ddm_06_0014.html

Scaling In a DDM Instance

Scenarios

This section describes how to scale in a DDM instance as service data volume decreases.

Note

  • Scale in your DDM instance during off-peak hours.
  • Make sure that the associated data nodes are normal and not undergoing other operations.
  • At least one node should be left for a DDM instance.

Procedure

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