LINE DEVELOPER DAY 2017 C-8

2. Quick intro to Armeria
Haruki Sato, Dev-1 Center

3. - Armeria
- Recent Features
Agenda

4. Armeria
The first LINE OSS

5. Asynchronous microservices
HTTP/2 RPC/REST client/server
Built on top of Java 8, Netty
Thrift and gRPC
Armeria is an open-source
asynchronous HTTP/2 RPC/
REST client/server library
built on top of Java 8, Netty,
Thrift and gRPC. Its primary
goal is to help engineers
build high-performance
asynchronous microservices
that use HTTP/2 as a
session layer protocol.
Armeria Features

6. Example

7. Example
(partially) Armeria!

8. Recent Features
The new things!

9. 0.27.0.Final
28 Sep 2016
0.53.1
25 Sep 2017
Recent Features
The new things!

10. Modularization + Spring Support
Feature Categories
gRPC Support
(Dynamic) Multi-backend Support

11. Modularization + Spring Support
• Modularization since 0.29.0.Final
• core, thrift, grpc, tomcat, zookeeper, etc.
• Active Spring support since 0.46.0
• armeria-spring-boot
• armeria-spring-boot-autoconfigure
• armeria-spring-boot-starter
• Micrometer as the primary metric collection
library since 0.53.0

12. Modularization

13. Spring Support
• ArmeriaAutoConfiguration processes
*ServiceRegistrationBean

14. gRPC support
• DocService for gRPC since 0.40.0
• gRPC enhancements since 0.44.0
• Add GRPC client support
• Add structured logging support for GRPC
• Add grpc-web draft support

15. (Dynamic) Multi-backend Support
• ZooKeeper-based EndpointGroup since
0.32.0
• DynamicEndpointGroup since 0.41.0
• notifies its listeners when its list of
Endpoints changes
• Integrated with CentralDogma in LINE
• DNS-based endpoint since 0.53.0

17. Thank you