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:0x00007f158b2e07a0> AppScale Systems

    Health checks and routing requests.

  • Packet

    #<User:0x00007f15798ab340> 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:0x00007f15799d02e8> 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.



    main load balancer.

  • MOCI

    #<User:0x00007f1579d61808> MOCI

    rabbitmq 의 λ‘œλ“œ λ°ΈλŸ°μ‹± μš©λ„μ΄μž celery 의 connection pooling 을 λ‹΄λ‹Ήν•˜κΈ° μœ„ν•΄ HAProxy λ₯Ό λ„μž…ν•˜μ—¬ μ‚¬μš©ν•˜κ³  μžˆμŠ΅λ‹ˆλ‹€.

  • #<User:0x00007f1579e4b458> KongHack Inc.

    Load balancer

  • Web Application Stack

    #<User:0x00007f157a1bd8e8> 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:0x00007f157a2aa4b8> Vaultize

    HTTP load balancing in Vaultize private clouds.