Why Feat Outperforms Spring Boot and Vert.x: A High‑Performance Java Web Framework

Birth

According to the official documentation, Feat is not a brand‑new project; it carries six years of open‑source experience and technical accumulation. Its predecessor, the widely praised open‑source network communication framework smart‑http , underwent numerous real‑world validations before evolving into Feat.

When smart‑http reached a stable and mature stage, its author made a strategic decision to hand it over to the community for maintenance and to launch a new project— Feat —that could break free from historical constraints and practice forward‑looking technical concepts.

Performance

Feat’s performance foundation is its underlying mature AIO network communication framework smart‑socket , built on Java AIO (NIO.2). This gives Feat powerful asynchronous, non‑blocking processing capabilities, allowing it to handle tens of thousands of concurrent connections with minimal resource overhead.

Official performance comparison data:

Startup time: Feat < 100 ms, Spring Boot ~700 ms, Vert.x ~500 ms

Memory usage: Feat low, Spring Boot high, Vert.x medium

Requests per second: Feat high, Spring Boot medium, Vert.x high

Response latency: Feat extremely low, Spring Boot medium, Vert.x low

Recent versions of Feat have shown further performance improvements (see image).

Embracing AI and Cloud‑Native

AI native (feat‑ai): Feat anticipates AI as a standard feature and integrates Gitee AI (model‑ark) chat and embedding capabilities, enabling developers to add large‑language‑model functions such as intelligent Q&A, content generation, and semantic search without complex configuration.

Cloud native (feat‑cloud): Feat’s lightweight design, elasticity, and AOT support embody its cloud‑native DNA, helping developers build faster‑starting, low‑resource, and highly responsive cloud‑native applications.

Getting Started

Add the following Maven dependencies:

<dependency>
  <groupId>tech.smartboot.feat</groupId>
  <artifactId>feat-core</artifactId>
  <version>1.2.2</version>
</dependency>
<dependency>
  <groupId>tech.smartboot.feat</groupId>
  <artifactId>feat-cloud-starter</artifactId>
  <version>1.2.2</version>
</dependency>

Simple example to start a web service:

public class HelloFeat {
    public static void main(String[] args) {
        Feat.httpServer().listen();
    }
}

Running the program prints “hello world”. Another example shows a custom response on port 8081:

public class HelloWorld {
    public static void main(String[] args) {
        Feat.httpServer()
            .httpHandler(request -> request.getResponse().write("Hello World"))
            .listen(8081);
    }
}

Conclusion

Feat is released under the AGPL license; you may freely use it for personal projects, but commercial use requires a paid commercial license. For enterprise projects, frameworks with richer ecosystems such as Spring Boot or Quarkus may be more suitable, yet Feat demonstrates the growing potential of domestic open‑source projects.

Project address: https://gitee.com/smartboot/feat

Official site: https://smartboot.tech/feat/