The Reliable, High Performance TCP/HTTP Load Balancer
Companies using HAProxy
How HAProxy is being used
  • Trello


    We use HAProxy to load balance between our webservers. It balances TCP between the machines round robin and leaves everything else to Node.js, leaving the connections open with a reasonably long time to live to support WebSockets and re-use of a TCP connection for AJAX polling.

  • AppScale Systems

    #<User:0x00007f4a5b15f6b0> AppScale Systems

    Health checks and routing requests.

  • Packet

    #<User:0x00007f4a5ad079c8> Packet

    We use HAProxy to balance traffic at various points in our stack, includgin nginx nodes on different physical machines, and api nodes on the backend.

  • The Independent

    #<User:0x00007f4a5afbfe40> The Independent

    HAProxy manages internal and origin load balancing using KeepaliveD. Two small servers host the entire site, never moving about 15% load even during the largest load spikes.

  • Kalibrr

    #<User:0x00007f4a5a469ac8> Kalibrr

    We load balance our ElasticSearch cluster using HAProxy. The health checks come in handy.



    main load balancer.

  • #<User:0x00007f4a5ccc4bf8> MOCI

    rabbitmq 의 로드 밸런싱 용도이자 celery 의 connection pooling 을 담당하기 위해 HAProxy 를 도입하여 사용하고 있습니다.

  • KongHack Inc.

    Load balancer

  • Web Application Stack

    #<User:0x00007f4a5a692e30> Web Application Stack

    We use HAProxy to load balance web requests for our web application, but also for some internal load balancing of microservices.

  • Vaultize

    #<User:0x00007f4a5a6b8a90> Vaultize

    HTTP load balancing in Vaultize private clouds.