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zhengxiu 2125539080 css umn 25.1.0 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: zhengxiu <zhengxiu@huawei.com>
Co-committed-by: zhengxiu <zhengxiu@huawei.com>
2025-07-04 09:10:17 +00:00

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Constraints

This topic describes limits on the node quantity and resource quotas of a CSS cluster. For details about the limits and limitations of different features provided by CSS, see relevant topics in the CSS User Guide.

Maximum and Minimum Numbers of Nodes in a Cluster

The following tables provide the maximum and minimum numbers of nodes each CSS cluster can have.

Table 1 Maximum and minimum numbers of nodes in an Elasticsearch or OpenSearch cluster

Number of Nodes

Limit

Maximum number of nodes in a cluster

32

Minimum number of nodes in a cluster

1

Quotas

CSS uses the following resource quotas:

  • Number of instances
  • CPUs
  • Memory capacity in GB
  • Number of disks
  • Disk size (GB)
Parent topic: Product Overview