How Many Consumer Groups Are Supported?

As shown in Table 1, Table 2, Table 3, Table 4, and Table 5, the number of consumer groups supported varies depending on the instance flavor.

**Table 1** 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 2** 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 3** Instance flavors (DMS for RocketMQ 5.x basic edition cluster)
Flavor	Storage Space (GB)	TPS	Max. Topics	Max. Consumer Groups	Max. Connections
rocketmq.b2.large.4	200–60,000	2,000	100	1000	4,000
rocketmq.b2.large.8	200–60,000	4,000	100	1000	4,000
rocketmq.b2.large.12	200–60,000	6,000	100	1000	6,000

**Table 4** Instance flavors (DMS for RocketMQ 5.x professional edition single-node)
Flavor Name	Storage Space (GB)	TPS	Max. Topics	Consumer Groups
rocketmq.p1.large.1	100–30,000	500	200	500

**Table 5** Instance flavors (DMS for RocketMQ 5.x professional edition cluster)
Flavor Name	Storage Space (GB)	TPS	Flexible TPS	Topics	Consumer Groups
rocketmq.p2.large.8	200–60,000	4,000	2,000	400	1,500
rocketmq.p2.large.12	200–60,000	6,000	3,000	400	1,500
rocketmq.p2.large.20	200–60,000	10,000	5,000	800	1,500
rocketmq.p2.large.40	400–120,000	20,000	10,000	800	1,500
rocketmq.p2.large.100	400–120,000	50,000	25,000	1000	2,000
rocketmq.p2.large.150	400–120,000	75,000	37,500	1000	2,000
rocketmq.p2.large.200	800–240,000	100,000	50,000	1,500	4,000
rocketmq.p2.large.300	800–240,000	150,000	50,000	1,500	4,000

Parent topic: Consumer Group FAQs

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