Billing

DMS for RocketMQ supports pay-per-use and yearly/monthly billing. For details, see Pricing Details.

DMS for RocketMQ is billed based on the instance flavor and storage space.

**Table 1** Billing items of DMS for RocketMQ
Item	Billing
Instance	Instances are billed based on the flavors described in Table 2, Table 3, and Table 4. RocketMQ instances can be billed on a yearly/monthly or pay-per-use (hourly) basis.
Storage space	Instances are billed based on the storage space. For each type of instance specification, you can choose the high I/O or ultra-high I/O disk type to meet your service requirements. Storage space can be specified with increments of 100 GB. For details about the storage space range, see Table 2, Table 3, and Table 4. Storage space can be billed on a yearly/monthly or pay-per-use (hourly) basis.

**Table 2** Instance flavors (DMS for RocketMQ 4.8.0)
Flavor	Brokers	Storage Space (GB per Broker)	TPS per Broker	Max. Topics per Broker	Max. Consumer Groups per Broker
rocketmq.4u8g.cluster.small	1–10	300–30,000	15,000	2,000	2,000
rocketmq.4u8g.cluster	1–10	300–60,000	20,000	4,000	4,000
rocketmq.8u16g.cluster	1–10	300–90,000	25,000	8,000	8,000
rocketmq.12u24g.cluster	1–10	300–90,000	28,000	12,000	12,000
rocketmq.16u32g.cluster	1–10	300–90,000	30,000	16,000	16,000

**Table 3** Instance flavors (DMS for RocketMQ 5.x basic edition single-node)
Flavor	Storage Space (GB)	TPS	Max. Topics	Max. Consumer Groups
rocketmq.b1.large.1	100–30,000	500	50	500

**Table 4** Instance flavors (DMS for RocketMQ 5.x basic edition cluster)
Flavor	Storage Space (GB)	TPS	Max. Topics	Max. Consumer Groups
rocketmq.b2.large.4	200–60,000	2,000	100	1000
rocketmq.b2.large.8	200–60,000	4,000	100	1000
rocketmq.b2.large.12	200–60,000	6,000	100	1000

Two billing modes are available, allowing you to pay less by using more.

Yearly/Monthly: Provides a larger discount than pay-per-use billing and is recommended for long-term use of resources.
Pay-per-use (hourly): a flexible billing mode, which allows you to pay for only the resources you actually use. The minimum time unit is one hour. Less than an hour is recorded as an hour.

You can renew an instance before it expires, or you can set auto-renewal rules for an instance.

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