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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: wangdengke2 <wangdengke2@huawei.com>
Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
2025-04-02 07:49:59 +00:00

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DB Instance Specifications

DB instance specifications are listed in the following table.

The DB instance specifications depend on service requirements.

You can change the maximum number of connections of a DB instance by modifying the net.maxIncomingConnections parameter. For details about how to change the parameter value, see Modifying a Parameter Template.

Cluster

For details about the cluster instance specifications, see Table 1 and Table 2.

Table 1 config specifications

CPU Type

vCPUs

Memory (GB)

Default Maximum Number of Connections

x86

2

4

600
Table 2 shard and dds mongos specifications

vCPUs

Memory (GB)

Default Maximum Number of Connections

1

4

400

2

8

400

4

16

1000

8

32

4000

16

64

8000

Replica Set

The specifications supported by a replica set are the same as those supported by shard and dds mongos. For details, see Table 2.

Single Node

The specifications supported by a single node are the same as those supported by shard and dds mongos. For details, see Table 2.

Parent topic: DDS DB Instance