Help Center/ Cloud Search Service/ Service Overview/ Constraints
Updated on 2024-09-14 GMT+08:00
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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

Default: 32. Maximum: 200. To change the default value, contact technical support.

Minimum number of nodes in a cluster

1
Table 2 Maximum and minimum numbers of nodes in a Logstash cluster

Number of Nodes

Limit

Maximum number of nodes in a cluster

100

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)

For details about how to check and modify quotas, see Quotas.