Instance Specifications
Specification of Single Node Architecture Instance
The DocDB for MongoDB product provides the single-node and three-node replica cluster architecture and cluster shard architecture. The instance specifications of the single-node replica cluster architecture instance are as follows:
| Type | Maximum IOPS | Maximum Connections | Storage Space Range |
|---|---|---|---|
| 1 core 2 GB | 2000 | 500 | 0-2000GB |
| 2 cores 4 GB | 4000 | 1000 | 0-2000GB |
| 4 cores, 8 GB | 8000 | 2000 | 0-2000GB |
| 4 cores, 16 GB | 11000 | 3000 | 0-2000GB |
| 8 cores, 16 GB | 13000 | 4000 | 0-2000GB |
Specification of Replica Cluster Architecture Instances
The specifications of the three-node replica cluster architecture instance are as follows:
| Type | Maximum IOPS | Maximum Connections | Storage Space Range |
|---|---|---|---|
| 1 core 2 GB | 2000 | 500 | 0-2000GB |
| 2 cores 4 GB | 4000 | 1000 | 0-2000GB |
| 4 cores, 8 GB | 8000 | 2000 | 0-2000GB |
| 4 cores, 16 GB | 11000 | 3000 | 0-2000GB |
| 8 cores, 16 GB | 13000 | 4000 | 0-2000GB |
| 8 cores, 32 GB | 15000 | 8000 | 0-2000GB |
| 16 cores 64 GB | 18000 | 16000 | 0-2000GB |
Specifications of Sharded Cluster Architecture Instance
The specifications of the sharded cluster architecture instance are defined by the specifications and number of different components in the instance cluster. The optional specifications of the Mongos node, Shard node, and ConfigServer node are as follows:
Mongos node
Optional Specifications of Nodes
| Type | Maximum Connections |
|---|---|
| 1 core 2 GB | 500 |
| 2 cores 4 GB | 1000 |
| 4 cores, 8 GB | 2000 |
| 4 cores, 16 GB | 3000 |
| 8 cores, 16 GB | 4000 |
| 8 cores, 32 GB | 8000 |
| 16 cores, 64 GB | 16000 |
Optional number of the nodes: 2 - 32
Shard node
Optional specifications of the node
| Type | Maximum IOPS | Storage Space Range |
|---|---|---|
| 1 core 2 GB | 2000 | 0-2000GB |
| 2 cores 4 GB | 4000 | 0-2000GB |
| 4 cores, 8 GB | 8000 | 0-2000GB |
| 4 cores, 16 GB | 11000 | 0-2000GB |
| 8 cores, 16 GB | 13000 | 0-2000GB |
| 8 cores, 32 GB | 15000 | 0-2000GB |
| 16 cores, 64 GB | 18000 | 0-2000GB |
Optional number of nodes: 2 - 32.
ConfigServer node
Optional specification of nodes: 1 core, 2 GB (three replicas), 20 GB disk.
Optional number of nodes: 1