Features
- Support HTTP/2 through gRPC, offers all features supported by HTTP/2 and gRPC
- Stream communication: client stream, server stream and bi-stream.
- Reactive stream style RPC call.
- Back pressure based on HTTP/2 flow-control mechanism.
- TLS secure transport layer.
- Define service using IDL
- Protobuf support for native Dubbo
- Define service using IDL
- Protobuf serialization
- TLS for netty4 server
- New SPI for dynamically adding extra parameters into provider URL, especially env parameters.
- [BETA] Brand new Service Discovery mechanism: Service Reflection - instance (application) level service discovery.
- [BETA] Brand new API for bootstraping Dubbo projects
Performance Tuning
- Overall performance improved by nearly 30% compared to v2.7.3 (by QPS in certain circumstances)
- Improved consumer side thread model to avoid thread allocation and context switch, especially useful for services serving big traffic.
Enhancement
- Load balance strategy among multiple registries:
- Preferred
- Same zone first
- Weighted LB
- The first one available
- New callback SPI for receiving address change notifications
- Refactoring of config module
Bugfixes
check 2.7.5 milestone for details.