Help Center/ Document Database Service/ User Guide (ME-Abu Dhabi Region)/ Introduction/ DDS DB Instance/ DB Instance Specifications
Updated on 2022-02-22 GMT+08:00
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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 Editing a Parameter Group.

Cluster

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

Table 1 config specifications

vCPUs

Memory (GB)

Default Maximum Connections

2

4

1000
Table 2 shard and mongos specifications

vCPUs

Memory (GB)

Default Maximum Connections

2

4

400

2

8

400

4

8

1000

4

16

1000

8

16

4000

8

32

4000

16

32

8000

16

64

8000

Replica Set

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

Parent topic: DDS DB Instance