How Many Topics Are Supported?

The number of topics supported varies depending on the flavor, as shown in Table 1. A minimum of 2000 topics are supported.

**Table 1** Instance specifications
Flavor	Brokers	Storage Space (GB per Broker)	TPS per Broker	Max. Topics per Broker	Max. Consumer Groups per Broker
rocketmq.4u8g.cluster.small	1–2	300–60,000	15,000	2000	2000
rocketmq.4u8g.cluster	1–10	300–600,000	20,000	4000	4000
rocketmq.8u16g.cluster	1–10	300–900,000	25,000	8000	8000
rocketmq.12u24g.cluster	1–10	300–900,000	28,000	12,000	12,000
rocketmq.16u32g.cluster	1–10	300–900,000	30,000	16,000	16,000

Parent topic: Topic FAQs

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