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ESA HttpServer

Build codecov Maven Central GitHub license

ESA HttpServer is an asynchronous event-driven http server based on netty.

Features

  • Asynchronous request handing
  • Http1/H2/H2cUpgrade
  • Https
  • HAProxy
  • Epoll/NIO
  • Chunked read/write
  • Body aggregation
  • Multipart
  • Metrics
  • more features...

Maven Dependency

<dependency>
    <groupId>io.esastack</groupId>
    <artifactId>httpserver</artifactId>
    <version>${esa-httpserver.version}</version>
</dependency>

Quick Start

HttpServer.create()
        .handle(req -> {
            req.onData(buf -> {
                // handle http content 
            });
            req.onEnd(p -> {
                req.response()
                        .setStatus(200)
                        .end("Hello ESA Http Server!".getBytes());
                return p.setSuccess(null);
            });
        })
        .listen(8080);

Performance

Test cases

  • We built an echo server by ESA HttpServer and used a http client to do the requests for RPS testing with different bytes payload(16B, 128B, 512B, 1KB, 4KB, 10KB)
  • Also we used origin netty to build a server which is same with above for RPS testing (uses the HttpServerCodec, HttpObjectAggregator handlers directly).

Hardware Used

We used the following software for the testing:

  • wrk4.1.0

  • OS CPU Mem(G)
    server centos:6.9-1.2.5(docker) 4 8
    client centos:7.6-1.3.0(docker) 16 3

JVM Options

-server -Xms3072m -Xmx3072m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=256m -XX:+UseConcMarkSweepGC -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 -XX:+PrintTenuringDistribution -XX:+PrintGCDateStamps -XX:+PrintGCDetails -Xloggc:logs/gc-${appName}-%t.log -XX:NumberOfGCLogFiles=20 -XX:GCLogFileSize=480M -XX:+UseGCLogFileRotation -XX:HeapDumpPath=.

Server Options

  • we set the value of IO threads to 8.

RPS

16B 128B 512B 1KB 4KB 10KB
Netty 133272.34 132818.53 132390.78 127366.28 85408.7 49798.84
ESA HttpServer 142063.99 139608.23 139646.04 140159.5 92767.53 53534.21