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Armeria

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description Armeria Overview

Armeria is a Java and Kotlin framework focused on developing robust microservices. It offers built-in support for asynchronous communication using gRPC alongside features such as service discovery, load balancing, and circuit breaking. This makes it suitable for developers creating complex distributed systems needing high availability and observability, particularly those working with Java or Kotlin.

help Armeria FAQ

What protocols does Armeria support besides plain REST?

Armeria supports HTTP/1, HTTP/2, gRPC, and Thrift, which is why it is used for mixed microservice environments. It is a Java and Kotlin-friendly framework rather than a Scala-specific one.

Who originally built Armeria?

Armeria was created at LINE, the company behind the LINE messaging platform. That background explains its emphasis on production microservices, observability, and RPC support.

Is Armeria a replacement for Spring Boot?

It can replace Spring's web layer for some services, but many Java teams still use it alongside Spring components. Armeria is strongest when you need high-performance HTTP/2, gRPC, or Thrift services with built-in client features.

What makes Armeria different from Netty?

Armeria is built on Netty but gives developers higher-level server, client, routing, metrics, and RPC APIs. Netty is a lower-level networking framework, while Armeria is designed for service development.

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