Restrictions

ServiceStage has the following restrictions, and each of them applies to every tenant in any region.

Restriction is not resource quota limit. It indicates the maximum capabilities that ServiceStage can provide for tenants. Users need to pay attention to these restrictions when selecting technologies and designing solutions.

Registry and Discovery

For details about the restrictions on professional microservice engines, see Table 1.

**Table 1** Restrictions on professional microservice engines
Item	Restrictions
Heartbeat reporting	Every 30s at most for every microservice instance
Service discovery	Every 30s at most for every microservice instance
Microservice instance registration	10 per second

For details about the restrictions on exclusive microservice engines, see Table 2.

**Table 2** Restrictions on exclusive microservice engines (highest specifications)
Item	Restrictions	Remarks
Heartbeat reporting	Every 20s at most for every microservice instance	Total rate limit: 2000 TPS
Service discovery	Every 20s at most for every microservice instance	-
Microservice instance registration	1000 per second	-