Current instance specifications

Due to the iterative evolution of hardware resources, new specifications in the following tables are applied to instances that are purchased or whose specifications are changed as of July 10, 2017.

Table 1. Standalone instance and three-node replica set instance specifications
Instance type Specification type Specifications Code Max number of connections Max iops Storage capacity
Three-node replica set instance General specifications Single-core CPU and 2 GB memory dds.mongo.mid 500 1,000 10 GB to 2,000 GB
Dual-core CPU and 4 GB memory dds.mongo.standard 1,000 2,000
Quad-core CPU and 8 GB memory dds.mongo.large 2,000 4,000
8-core CPU and 16 GB memory dds.mongo.xlarge 4,000 8,000
8-core CPU and 32 GB memory dds.mongo. 2xlarge 8,000 14,000
16-core CPU and 64 GB memory dds.mongo. 4xlarge 16,000 16,000
Dedicated specifications 2-core, 16 GB mongo.x8.medium 2,500 4,500 250 GB
Quad-core CPU and 32 GB memory mongo.x8.large 5,000 9,000 500 GB
8-core CPU and 64 GB memory mongo.x8.xlarge 10,000 18,000 1,000 GB
16-core CPU and 128 GB memory mongo.x8.2xlarge 20,000 36000 2,000 GB
32-core CPU and 256 GB memory mongo.x8.4xlarge 40,000 72,000 2,000 GB
Exclusive physical machine 60-core, 440 GB dds.mongo. 2xmonopolize 100,000 100,000 3,000 GB
Standalone instance General specifications Single-core CPU and 2 GB memory dds.n2.small. 1 2,000 min{30 x Storage space, 20,000} 20 GB to 2,000 GB
Dual-core CPU and 4 GB memory dds.sn2.medium. 1 4,000
Dual-core CPU and 8 GB memory dds.sn4.large. 1 6,000
Quad-core CPU and 8 GB memory dds.sn2.large. 1 6,000
Quad-core CPU and 16 GB memory dds.sn4.xlarge. 1 8,000
8-core CPU and 16 GB memory dds.sn2.xlarge. 1 8,000
Table 2. Sharded cluster instance specifications
Node type Specification type Specifications Specification code Maximum number of connections Maximum IOPS
Mongos General specifications Single-core CPU and 2 GB memory dds.mongos.mid 1,000 -
Dual-core CPU and 4 GB memory dds.mongos.standard 2,000
Quad-core CPU and 8 GB memory dds.mongos.large 4,000
8-core CPU and 16 GB memory dds.mongos.xlarge 8,000
8-core CPU and 32 GB memory dds.mongos. 2xlarge 16,000
16-core CPU and 64 GB memory dds.mongos. 4xlarge 16,000
Shard General specifications Single-core CPU and 2 GB memory dds.shard.mid - 1,000
Dual-core CPU and 4 GB memory dds.shard.standard 2,000
Quad-core CPU and 8 GB memory dds.shard.large 4,000
8-core CPU and 16 GB memory dds.shard.xlarge 8,000
8-core CPU and 32 GB memory dds.shard. 2xlarge 14,000
16-core CPU and 64 GB memory dds.shard. 4xlarge 16,000
Config server General specifications Single-core CPU and 2 GB memory dds.cs.mid 1,000

Historical instance specifications

Specifications in the following tables are still applied to instances that were purchased before July 10, 2017 and whose specifications have never been changed.

Table 3. Three-node replica set instance specifications
Specification type Specifications Specification code Maximum number of connections Maximum IOPS
General specifications Single-core CPU and 2 GB memory dds.mongo.mid 200 800
Dual-core CPU and 4 GB memory dds.mongo.standard 400 1,600
Quad-core CPU and 8 GB memory dds.mongo.large 1,000 3,200
8-core CPU and 16 GB memory dds.mongo.xlarge 2,000 6,400
8-core CPU and 32 GB memory dds.mongo. 2xlarge 4,000 12,800
16-core CPU and 64 GB memory dds.mongo. 4xlarge 8,000 12,800
Dedicated specifications Dual-core CPU and 16 GB memory mongo.x8.medium 2,000 4,500
Quad-core CPU and 32 GB memory mongo.x8.large 4,000 9,000
8-core CPU and 64 GB memory mongo.x8.xlarge 8,000 18,000
16-core CPU and 128 GB memory mongo.x8.2xlarge 16,000 36,000
32-core CPU and 256 GB memory mongo.x8.4xlarge 32,000 72,000
Exclusive physical machine 60-core CPU and 440 GB memory dds.mongo. 2xmonopolize 36,000 40,000
Table 4. Sharded cluster instance specifications
Node type Specification type Specifications Specification code Maximum number of connections Maximum IOPS
Mongos General specifications Single-core CPU and 2 GB memory dds.mongos.mid 200 -
Dual-core CPU and 4 GB memory dds.mongos.standard 400
Quad-core CPU and 8 GB memory dds.mongos.large 1,000
8-core CPU and 16 GB memory dds.mongos.xlarge 2,000
8-core CPU and 32 GB memory dds.mongos. 2xlarge 4,000
16-core CPU and 64 GB memory dds.mongos. 4xlarge 8,000
Shard General specifications Single-core CPU and 2 GB memory dds.shard.mid - 800
Dual-core CPU and 4 GB memory dds.shard.standard 1,600
Quad-core CPU and 8 GB memory dds.shard.large 3,200
8-core CPU and 16 GB memory dds.shard.xlarge 6,400
8-core CPU and 32 GB memory dds.shard. 2xlarge 12,800
16-core CPU and 64 GB memory dds.shard. 4xlarge 12,800
Config server General specifications Single-core CPU and 2 GB memory dds.cs.mid 800