Billing Modes
TencentDB for MongoDB supports pay-as-you-go billing mode.
Pay-as-you-go
Pay-as-you-go is a postpaid billing mode. We recommend you choose the pay-as-you-go billing mode if your business may fluctuate greatly and unpredictably or your resource usage tends to be temporary or abrupt. When you purchase a TencentDB for MongoDB instance, the hardware fees of one hour will be frozen in your Tencent Cloud account and charged on the hour, with the billable usage duration accurate down to the second. In this mode, you only need to pay for the actual usage of TencentDB for MongoDB with no upfront payment required.
Billing Items
Computing
Core component: Mongod node's CPU and memory resources, which handle core features such as data storage, query processing, and transaction execution.
Extension component (for sharded clusters only): Mongos routing node's CPU and memory resources, which handle cross-shard request scheduling, load balancing, and query optimization.
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Memory specification tiering | Memory specifications are tiered by architecture type, with unit prices decreasing as the capacity increases: Replica sets are divided into 4 specification tiers: less than 128 GB, equal to 128 GB, equal to 240 GB, and equal to 512 GB. Sharded clusters are divided into 2 specification tiers: less than 512 GB and equal to 512 GB. |
Geographic region-based pricing | Different regions implement independent pricing tables based on infrastructure cost variations. |
Usage duration-based tiered pricing | The pay-as-you-go pricing is divided into three tiers based on the usage duration: If the duration is greater than 0 days and less than or equal to 4 days, the first-tier pay-as-you-go pricing applies. If the duration is greater than 4 days and less than or equal to 15 days, the second-tier pay-as-you-go pricing applies. If the duration is greater than 15 days, the third-tier pay-as-you-go pricing applies. |
Storage
Storage resources refer to the dedicated disk capacity used by Mongod nodes for persistent storage of documents, indexes, and metadata. Due to variations in infrastructure costs (such as the power supply, network bandwidth, and data center Ops) and local market policies across different regions, the storage unit price is independently set for each region. For price details, see Product Pricing. Calculation Formula
For purchasing replica set instances or sharded cluster instances, see Billing Formula for fee calculation.