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Add Vert.x: reactive JVM toolkit on Netty (~15k ⭐) #72

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26 changes: 26 additions & 0 deletions frameworks/vertx/Dockerfile
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FROM maven:3.9-eclipse-temurin-21 AS build
WORKDIR /app
COPY pom.xml .
RUN mvn dependency:go-offline -q
COPY src ./src
RUN mvn package -DskipTests -q

FROM eclipse-temurin:21-jre
WORKDIR /app
COPY --from=build /app/target/vertx-httparena-1.0.0.jar /app/app.jar
EXPOSE 8080 8443
ENTRYPOINT ["java", \
"-server", \
"-XX:+UseParallelGC", \
"-XX:+UseNUMA", \
"-XX:-StackTraceInThrowable", \
"-Dio.netty.buffer.checkBounds=false", \
"-Dio.netty.buffer.checkAccessible=false", \
"-Dvertx.disableURIValidation=true", \
"-Dvertx.disableHttpHeadersValidation=true", \
"-Dvertx.disableMetrics=true", \
"-Dvertx.disableH2c=true", \
"-Dvertx.disableWebsockets=true", \
"-Dvertx.threadChecks=false", \
"-Dvertx.disableContextTimings=true", \
"-jar", "app.jar"]
22 changes: 22 additions & 0 deletions frameworks/vertx/README.md
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# Vert.x — HttpArena

[Eclipse Vert.x](https://github.com/eclipse-vertx/vert.x) is a reactive toolkit for building high-performance applications on the JVM. Unlike traditional frameworks (Spring, Quarkus), Vert.x uses an event-loop threading model directly on Netty — no annotation scanning, no dependency injection, no framework overhead.

## Key Details

- **Vert.x 4.5.14** (latest stable) with vertx-web for routing
- **Event-loop architecture**: one verticle instance per CPU core, each on its own event loop
- **JDK 21** with ParallelGC
- **Jackson** for JSON serialization
- **SQLite** via JDBC (executed on worker threads via `executeBlocking()` to avoid blocking event loops)
- **Pre-computed** JSON and gzip responses at startup
- **Netty native transport** enabled (`preferNativeTransport`)

## Architecture Notes

Vert.x sits in a unique spot in the JVM ecosystem:
- **Spring** = DI + annotations + Tomcat/Netty (high-level framework)
- **Quarkus** = CDI + annotations + Vert.x/Netty under the hood (compile-time optimization)
- **Vert.x** = event loops + handlers + Netty directly (reactive toolkit)

Quarkus actually uses Vert.x internally, so this benchmark shows the raw Vert.x performance vs. the Quarkus abstraction on top.
21 changes: 21 additions & 0 deletions frameworks/vertx/meta.json
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{
"display_name": "vertx",
"language": "Java",
"type": "framework",
"engine": "Netty",
"description": "Eclipse Vert.x 4.5 — reactive toolkit on Netty with event-loop threading, JDK 21.",
"repo": "https://github.com/eclipse-vertx/vert.x",
"enabled": true,
"tests": [
"baseline",
"pipelined",
"limited-conn",
"json",
"upload",
"compression",
"noisy",
"mixed",
"baseline-h2",
"static-h2"
]
}
78 changes: 78 additions & 0 deletions frameworks/vertx/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.httparena</groupId>
<artifactId>vertx-httparena</artifactId>
<version>1.0.0</version>
<packaging>jar</packaging>

<properties>
<maven.compiler.source>21</maven.compiler.source>
<maven.compiler.target>21</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<vertx.version>4.5.14</vertx.version>
<jackson.version>2.16.1</jackson.version>
</properties>

<dependencies>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-core</artifactId>
<version>${vertx.version}</version>
</dependency>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-web</artifactId>
<version>${vertx.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>org.xerial</groupId>
<artifactId>sqlite-jdbc</artifactId>
<version>3.47.2.0</version>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.6.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.httparena.MainVerticle</mainClass>
</transformer>
<transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
</transformers>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
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