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最終更新日: 2025-11-25 16:04:57

Mongod Specifications
General Edition
CPU Core per Node
Memory per Shard (GB)
Disk Capacity per Shard (GB)
2 cores
4GB
Default value: 250 GB; value range: [100, 500]
4 cores
8GB
Default value: 500 GB; value range: [150, 1000]
6 cores
16GB
Default value: 750 GB; value range: [250, 1500]
12 cores
32GB
Default value: 1500 GB; value range: [500, 4000]
24 cores
64GB
Default value: 2500 GB; value range: [800, 5000]
24 cores
128GB
Default value: 3000GB; value range: [1500, 5000]
32 cores
240GB
Default value: 4000 GB; value range: [1500, 6000]
48 cores
512GB
Default value: 4000 GB; value range: [1500, 6000]
Cloud Disk Edition
CPU Core per Node
Memory per Node (GB)
Disk Capacity per Node (GB)
2 cores
4GB
Default value: 250 GB; value range: [10, 6000]
4 cores
8GB
Default value: 500 GB; value range: [10, 6000]
6 cores
16GB
Default value: 750 GB; value range: [10, 6000]
12 cores
32GB
Default value: 1500 GB; value range: [100, 6000]
Number of Mongod Shards
The value range of the shard number is [2, 36].
Number of nodes per Mongod shard
Primary/Secondary node: The default value is 3 storage nodes (1 primary node and 2 secondary nodes), which forms an architecture consisting of 1 primary node and 2 secondary nodes. Options of 5 nodes (1 primary node and 4 secondary nodes) and 7 nodes (1 primary node and 6 secondary nodes) are also supported, but the number of replicas cannot be customized currently.
Read-only node: It is supported to configure secondary nodes as read-only nodes. The value range is [0, 5].
Mongos Specifications
- For instances in single-AZ deployment mode, the value range is [3,32].
- For instances in multi-AZ deployment mode, the value range is [6,32].
Mongos Specification
Number of Connections per Mongos Node
1 core and 2 GB
1000
2 cores and 4 GB
2000
4 cores and 8 GB
4000
8 cores and 16 GB
8000
16 cores and 32 GB
16000
ConfigServer Specification
The default specification of ConfigServer is 1 core, 2 GB, and 20 GB storage. The default replica value is 3, and it cannot be modified. 
Avoiding Full Disk Usage
When the disk of an instance is full, the write operation is prohibited. Adjust the instance configuration promptly based on your business situation. For details about adjusting the instance configuration, see Adjusting Instance Specifications. If a disk is full and gets blocked, contact us for help.

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フィードバック

CPU Core per Node	Memory per Shard (GB)	Disk Capacity per Shard (GB)
2 cores	4GB	Default value: 250 GB; value range: [100, 500]
4 cores	8GB	Default value: 500 GB; value range: [150, 1000]
6 cores	16GB	Default value: 750 GB; value range: [250, 1500]
12 cores	32GB	Default value: 1500 GB; value range: [500, 4000]
24 cores	64GB	Default value: 2500 GB; value range: [800, 5000]
24 cores	128GB	Default value: 3000GB; value range: [1500, 5000]
32 cores	240GB	Default value: 4000 GB; value range: [1500, 6000]
48 cores	512GB	Default value: 4000 GB; value range: [1500, 6000]

CPU Core per Node	Memory per Node (GB)	Disk Capacity per Node (GB)
2 cores	4GB	Default value: 250 GB; value range: [10, 6000]
4 cores	8GB	Default value: 500 GB; value range: [10, 6000]
6 cores	16GB	Default value: 750 GB; value range: [10, 6000]
12 cores	32GB	Default value: 1500 GB; value range: [100, 6000]

Mongos Specification	Number of Connections per Mongos Node
1 core and 2 GB	1000
2 cores and 4 GB	2000
4 cores and 8 GB	4000
8 cores and 16 GB	8000
16 cores and 32 GB	16000

tencent cloud

TencentDB for MongoDB

Sharded Instance Specifications

Mongod Specifications

General Edition

Cloud Disk Edition

Number of Mongod Shards

Mongos Specifications

ConfigServer Specification

Avoiding Full Disk Usage

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