About RoadRunner

Latest Stable Version GoDoc Build Status Go Report Card Scrutinizer Code Quality Codecov

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 compatible HTTP server.


  • 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


The MIT License (MIT). Please see LICENSE for more information. By SpiralScout.

Edit this page