DB Instance Specifications
DB instance specifications are listed in the following table. Select appropriate specifications according to your service requirements.
The DB instance specifications depend on service requirements.
You can change the maximum number of connections to a DB instance by modifying the net.maxIncomingConnections parameter. For details about how to change the parameter value, see Editing a Parameter Template.
Cluster
Table 1 and Table 2 list the specifications of the Community Edition cluster instances.
| CPU Type | Specifications | vCPUs | Memory (GB) | Flavor ID | Default Maximum Number of Connections |
|---|---|---|---|---|---|
| x86 | General-purpose | 2 | 4 | dds.mongodb.s6.large.2.config | 1000 |
| Enhanced | 2 | 4 | dds.mongodb.c3.large.2.config | ||
| Enhanced II | 2 | 4 | dds.mongodb.c6.large.2.config | ||
| Kunpeng | - | 2 | 4 | dds.mongodb.large.arm2.config |
| CPU Type | Specifications | Component | vCPUs | Memory (GB) | Flavor ID | Default Maximum Number of Connections |
|---|---|---|---|---|---|---|
| x86 | General-purpose | mongos | 1 | 4 | dds.mongodb.s6.medium.4.mongos | 400 |
| 2 | 4 | dds.mongodb.s6.large.2.mongos | 400 | |||
| 2 | 8 | dds.mongodb.s6.large.4.mongos | 400 | |||
| 4 | 8 | dds.mongodb.s6.xlarge.2.mongos | 1000 | |||
| 4 | 16 | dds.mongodb.s6.xlarge.4.mongos | 1000 | |||
| 8 | 16 | dds.mongodb.s6.2xlarge.2.mongos | 4000 | |||
| 8 | 32 | dds.mongodb.s6.2xlarge.4.mongos | 4000 | |||
| shard | 1 | 4 | dds.mongodb.s6.medium.4.shard | 400 | ||
| 2 | 4 | dds.mongodb.s6.large.2.shard | 400 | |||
| 2 | 8 | dds.mongodb.s6.large.4.shard | 400 | |||
| 4 | 8 | dds.mongodb.s6.xlarge.2.shard | 1000 | |||
| 4 | 16 | dds.mongodb.s6.xlarge.4.shard | 1000 | |||
| 8 | 16 | dds.mongodb.s6.2xlarge.2.shard | 4000 | |||
| 8 | 32 | dds.mongodb.s6.2xlarge.4.shard | 4000 | |||
| Enhanced | mongos | 2 | 8 | dds.mongodb.c3.large.4.mongos | 400 | |
| 4 | 16 | dds.mongodb.c3.xlarge.4.mongos | 1000 | |||
| 8 | 32 | dds.mongodb.c3.2xlarge.4.mongos | 4000 | |||
| 16 | 64 | dds.mongodb.c3.4xlarge.4.mongos | 8000 | |||
| 32 | 128 | dds.mongodb.c3.8xlarge.4.mongos | 8000 | |||
| 60 | 256 | dds.mongodb.c3.15xlarge.4.mongos | 8000 | |||
| shard | 2 | 8 | dds.mongodb.c3.large.4.shard | 400 | ||
| 4 | 16 | dds.mongodb.c3.xlarge.4.shard | 1000 | |||
| 8 | 32 | dds.mongodb.c3.2xlarge.4.shard | 4000 | |||
| 16 | 64 | dds.mongodb.c3.4xlarge.4.shard | 8000 | |||
| 32 | 128 | dds.mongodb.c3.8xlarge.4.shard | 8000 | |||
| 60 | 256 | dds.mongodb.c3.15xlarge.4.shard | 8000 | |||
| Enhanced II | mongos | 2 | 8 | dds.mongodb.c6.large.4.mongos | 400 | |
| 4 | 16 | dds.mongodb.c6.xlarge.4.mongos | 1000 | |||
| 8 | 32 | dds.mongodb.c6.2xlarge.4.mongos | 4000 | |||
| 16 | 64 | dds.mongodb.c6.4xlarge.4.mongos | 8000 | |||
| 32 | 128 | dds.mongodb.c6.8xlarge.4.mongos | 8000 | |||
| 64 | 256 | dds.mongodb.c6.16xlarge.4.mongos | 8000 | |||
| shard | 2 | 8 | dds.mongodb.c6.large.4.shard | 400 | ||
| 4 | 16 | dds.mongodb.c6.xlarge.4.shard | 1000 | |||
| 8 | 32 | dds.mongodb.c6.2xlarge.4.shard | 4000 | |||
| 16 | 64 | dds.mongodb.c6.4xlarge.4.shard | 8000 | |||
| 32 | 128 | dds.mongodb.c6.8xlarge.4.shard | 8000 | |||
| 64 | 256 | dds.mongodb.c6.16xlarge.4.shard | 8000 | |||
| Kunpeng | - | mongos | 2 | 4 | dds.mongodb.large.arm2.mongos | 400 |
| - | 2 | 8 | dds.mongodb.large.arm4.mongos | 400 | ||
| - | 4 | 8 | dds.mongodb.xlarge.arm2.mongos | 1000 | ||
| - | 4 | 16 | dds.mongodb.xlarge.arm4.mongos | 1000 | ||
| - | 8 | 16 | dds.mongodb.2xlarge.arm2.mongos | 4000 | ||
| - | 8 | 32 | dds.mongodb.2xlarge.arm4.mongos | 4000 | ||
| - | 16 | 32 | dds.mongodb.4xlarge.arm2.mongos | 8000 | ||
| - | 16 | 64 | dds.mongodb.4xlarge.arm4.mongos | 8000 | ||
| - | shard | 2 | 4 | dds.mongodb.large.arm2.shard | 400 | |
| - | 2 | 8 | dds.mongodb.large.arm4.shard | 400 | ||
| - | 4 | 8 | dds.mongodb.xlarge.arm2.shard | 1000 | ||
| - | 4 | 16 | dds.mongodb.xlarge.arm4.shard | 1000 | ||
| - | 8 | 16 | dds.mongodb.2xlarge.arm2.shard | 4000 | ||
| - | 8 | 32 | dds.mongodb.2xlarge.arm4.shard | 4000 | ||
| - | 16 | 32 | dds.mongodb.4xlarge.arm2.shard | 8000 | ||
| - | 16 | 64 | dds.mongodb.4xlarge.arm4.shard | 8000 |
Replica Set
Table 3 lists the specifications of replica set instances.
| CPU Type | Specifications | vCPUs | Memory (GB) | Flavor ID | Default Maximum Number of Connections |
|---|---|---|---|---|---|
| x86 | General-purpose | 2 | 4 | dds.mongodb.s6.large.2.repset | 400 |
| 2 | 8 | dds.mongodb.s6.large.4.repset | 400 | ||
| 4 | 8 | dds.mongodb.s6.xlarge.2.repset | 1000 | ||
| 4 | 16 | dds.mongodb.s6.xlarge.4.repset | 1000 | ||
| 8 | 16 | dds.mongodb.s6.2xlarge.2.repset | 4000 | ||
| 8 | 32 | dds.mongodb.s6.2xlarge.4.repset | 4000 | ||
| Enhanced | 2 | 8 | dds.mongodb.c3.large.4.repset | 400 | |
| 4 | 16 | dds.mongodb.c3.xlarge.4.repset | 1000 | ||
| 8 | 32 | dds.mongodb.c3.2xlarge.4.repset | 4000 | ||
| 16 | 64 | dds.mongodb.c3.4xlarge.4.repset | 8000 | ||
| 32 | 128 | dds.mongodb.c3.8xlarge.4.repset | 16000 | ||
| 60 | 256 | dds.mongodb.c3.15xlarge.4.repset | 16000 | ||
| Enhanced II | 2 | 8 | dds.mongodb.c6.large.4.repset | 400 | |
| 4 | 16 | dds.mongodb.c6.xlarge.4.repset | 1000 | ||
| 8 | 32 | dds.mongodb.c6.2xlarge.4.repset | 4000 | ||
| 16 | 64 | dds.mongodb.c6.4xlarge.4.repset | 8000 | ||
| 32 | 128 | dds.mongodb.c6.8xlarge.4.repset | 16000 | ||
| 64 | 256 | dds.mongodb.c6.16xlarge.4.repset | 16000 | ||
| Kunpeng | - | 2 | 4 | dds.mongodb.large.arm2.repset | 400 |
| - | 2 | 8 | dds.mongodb.large.arm4.repset | 400 | |
| - | 4 | 8 | dds.mongodb.xlarge.arm2.repset | 1000 | |
| - | 4 | 16 | dds.mongodb.xlarge.arm4.repset | 1000 | |
| - | 8 | 16 | dds.mongodb.2xlarge.arm2.repset | 4000 | |
| - | 8 | 32 | dds.mongodb.2xlarge.arm4.repset | 4000 | |
| - | 16 | 32 | dds.mongodb.4xlarge.arm2.repset | 8000 | |
| - | 16 | 64 | dds.mongodb.4xlarge.arm4.repset | 8000 |
Single Node
Table 4 lists the specifications of single node instances.
| CPU Type | Specifications | vCPUs | Memory (GB) | Flavor ID | Default Maximum Number of Connections |
|---|---|---|---|---|---|
| x86 | General-purpose | 1 | 4 | dds.mongodb.s6.medium.4.single | 400 |
| 2 | 4 | dds.mongodb.s6.large.2.single | 400 | ||
| 2 | 8 | dds.mongodb.s6.large.4.single | 400 | ||
| 4 | 8 | dds.mongodb.s6.xlarge.2.single | 1000 | ||
| 4 | 16 | dds.mongodb.s6.xlarge.4.single | 1000 | ||
| 8 | 16 | dds.mongodb.s6.2xlarge.2.single | 4000 | ||
| 8 | 32 | dds.mongodb.s6.2xlarge.4.single | 4000 | ||
| Enhanced | 2 | 8 | dds.mongodb.c3.large.4.single | 400 | |
| 4 | 16 | dds.mongodb.c3.xlarge.4.single | 1000 | ||
| 8 | 32 | dds.mongodb.c3.2xlarge.4.single | 4000 | ||
| 16 | 64 | dds.mongodb.c3.4xlarge.4.single | 8000 | ||
| 32 | 128 | dds.mongodb.c3.8xlarge.4.single | 16000 | ||
| 60 | 256 | dds.mongodb.c3.15xlarge.4.single | 16000 | ||
| Enhanced II | 2 | 8 | dds.mongodb.c6.large.4.single | 400 | |
| 4 | 16 | dds.mongodb.c6.xlarge.4.single | 1000 | ||
| 8 | 32 | dds.mongodb.c6.2xlarge.4.single | 4000 | ||
| 16 | 64 | dds.mongodb.c6.4xlarge.4.single | 8000 | ||
| 32 | 128 | dds.mongodb.c6.8xlarge.4.single | 16000 | ||
| 64 | 256 | dds.mongodb.c6.16xlarge.4.single | 16000 | ||
| Kunpeng | - | 2 | 4 | dds.mongodb.large.arm2.single | 400 |
| - | 2 | 8 | dds.mongodb.large.arm4.single | 400 | |
| - | 4 | 8 | dds.mongodb.xlarge.arm2.single | 1000 | |
| - | 4 | 16 | dds.mongodb.xlarge.arm4.single | 1000 | |
| - | 8 | 16 | dds.mongodb.2xlarge.arm2.single | 4000 | |
| - | 8 | 32 | dds.mongodb.2xlarge.arm4.single | 4000 | |
| - | 16 | 32 | dds.mongodb.4xlarge.arm2.single | 8000 | |
| - | 16 | 64 | dds.mongodb.4xlarge.arm4.single | 8000 |
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