High-performance PHP application server, load-balancer and process manager written in Golang

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v1.5.0 2019-10-12 10:07 UTC



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RoadRunner is an open-source (MIT licensed) high-performance PHP application server, load balancer, and process manager. It supports running as a service with the ability to extend its functionality on a per-project basis.

RoadRunner includes PSR-7/PSR-17 compatible HTTP and HTTP/2 server and can be used to replace classic Nginx+FPM setup with much greater performance and flexibility.

Official Website | Documentation


  • production-ready
  • PSR-7 HTTP server (file uploads, error handling, static files, hot reload, middlewares, event listeners)
  • HTTPS and HTTP/2 support (including HTTP/2 Push, H2C)
  • fully customizable server
  • flexible environment configuration
  • no external PHP dependencies (64bit version required), drop-in (based on Goridge)
  • load balancer, process manager and task pipeline
  • frontend agnostic (Queue, PSR-7, GRPC, etc)
  • integrated metrics (Prometheus)
  • works over TCP, UNIX sockets and standard pipes
  • automatic worker replacement and safe PHP process destruction
  • worker create/allocate/destroy timeouts
  • max jobs per worker
  • worker lifecycle management (controller)
    • maxMemory (graceful stop)
    • TTL (graceful stop)
    • idleTTL (graceful stop)
    • execTTL (brute, max_execution_time)
  • payload context and body
  • protocol, worker and job level error management (including PHP errors)
  • very fast (~250k rpc calls per second on Ryzen 1700X using 16 threads)
  • integrations with Symfony, Laravel, Slim, CakePHP, Zend Expressive, Spiral
  • works on Windows


To install:

$ composer require spiral/roadrunner
$ ./vendor/bin/rr get-binary


// worker.php
ini_set('display_errors', 'stderr');
include "vendor/autoload.php";

$relay = new Spiral\Goridge\StreamRelay(STDIN, STDOUT);
$psr7 = new Spiral\RoadRunner\PSR7Client(new Spiral\RoadRunner\Worker($relay));

while ($req = $psr7->acceptRequest()) {
    try {
        $resp = new \Zend\Diactoros\Response();
        $resp->getBody()->write("hello world");

    } catch (\Throwable $e) {

Configuration can be located in .rr.yaml file (full sample):

  workers.command: "php worker.php"

Read more in Wiki.


To run application server:

$ ./rr serve -v -d


The MIT License (MIT). Please see LICENSE for more information. Maintained by Spiral Scout.