Billing Overview

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Last updated: 2020-09-11 11:17:15

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Note：
The monthly subscription mode is currently in beta test. To use it, please contact sales.

Billing Modes

TencentDB for MongoDB supports monthly subscription and pay-as-you-go billing modes.

Monthly subscription

Monthly subscription is a prepaid billing mode. It is applicable to long-term businesses with stable peak traffic, and is cheaper than the pay-as-you-go mode. To purchase a monthly subscription MongoDB instance, you need to pay for one or multiple months or even years in advance as needed.

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 (Beijing time), 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.
The tiered pricing model is based on usage duration.

0 days < duration ≤ 4 days: tier 1 pay-as-you-go price applies.
4 days < duration ≤ 15 days: tier 2 pay-as-you-go price applies.
Duration > 15 days: tier 3 pay-as-you-go price applies.

Compute

Computing resources include CPU resources and memory resources. Instance parameters such as the maximum QPS and number of access connections are subject to the selected computing resource specification. For the prices, please see MongoDB Pricing.

Currently, the following specifications are available:

Configuration Type	CPU per Node	Memory per Node	Instance QPS	Maximum Number of Connections
High IO	1 core	2 GB	3,000	1,500
High IO	2 cores	4 GB	5,000	2,000
High IO	2 cores	6 GB	5,000	2,500
High IO	4 cores	8 GB	9,000	3,500
High IO	6 cores	16 GB	20,000	6,000
High IO	10 cores	24 GB	25,000	8,000
High IO	12 cores	32 GB	27,000	9,500
High IO	24 cores	64 GB	33,000	16,000
Ten-Gigabit High IO	2 cores	4 GB	5,000	2,000
Ten-Gigabit High IO	4 cores	8 GB	9,000	3,500
Ten-Gigabit High IO	6 cores	16 GB	20,000	6,000
Ten-Gigabit High IO	12 cores	32 GB	27,000	9,500
Ten-Gigabit High IO	24 cores	64 GB	33,000	16,000
Ten-Gigabit High IO	24 cores	128 GB	36,000	18,000
Ten-Gigabit High IO	32 cores	240 GB	39,000	18,000
Ten-Gigabit High IO	48 cores	512 GB	42,000	18,000

Note：

The above numbers of connections have taken effect since August 10, 2020.

For a replica set, the maximum number of connections for an instance is as indicated in the table above; for a sharded cluster, the maximum number of connections is the number of shards * specification of single shard or 18,000, whichever is smaller.
For example, if a sharded cluster instance has 3 shards, each with 64 GB memory, then as 16,000 * 3 = 48,000 > 18,000, the maximum number of connections for this cluster will be 18,000.

Storage

Tencent Cloud provides flexible, affordable and user-friendly data storage devices for TencentDB for MongoDB instances. For more information on prices, see MongoDB Pricing.

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