Features supported by MSHA in single- and multi-region scenarios-Application High Availability Service(AHAS)-阿里云帮助中心

This topic describes the features that MSHA supports in single-region and multi-region scenarios.

MSHA supports the following features:

Scenario	Supported features
Active zone-redundancy	Access layer	MSFE Cloud-native gateway cluster
Active zone-redundancy	Application layer	SpringCloud Dubbo EDAS-HSF RocketMQ SchedulerX Xxl-Job
Active geo-redundancy for applications	Access layer	MSFE Cloud-native gateway cluster
	Application layer	SpringCloud Dubbo Registry center sync (Nacos-to-Nacos) Registry center sync (Zookeeper-to-Zookeeper)
	Data layer	Self-managed MySQL Self-managed PostgreSQL RDS PolarDB MySQL DRDS (PolarDB-X 1.0) PolarDB-X 2.0 PolarDB Oracle MongoDB Elasticsearch Community Edition Redis Tair (Redis Enterprise Edition)
Active geo-redundancy (unit-based)	Access layer	MSFE Cloud-native gateway cluster
	Application layer	SpringCloud Dubbo Registry center sync (Nacos-to-Nacos) Registry center sync (Zookeeper-to-Zookeeper)
	Data layer	Self-managed MySQL Self-managed PostgreSQL RDS PolarDB MySQL DRDS (PolarDB-X 1.0) PolarDB-X 2.0 PolarDB Oracle