Load Balancing with HAProxy: Open-source technology for better scalability, redundancy and availability in your IT infrastructure

HAProxy is a free and open-source load balancer that enables IT professionals to distribute TCP-based traffic across many backend servers. In this book, the reader will learn how to configure and leverage HAProxy for tasks that include: Setting up reverse proxies and load-balancing backend servers Choosing the appropriate load-balancing algorithm Matching requests against ACLs so that we can route them to the correct servers Monitoring servers with health checks so that failure is detected early Managing server persistence so that a client's can be directed to the server where their session data is stored Configuring verbose logging for TCP and HTTP-based services Enabling SSL encryption, gzip compression and geolocation Modifying HTTP headers, rewriting URLs and setting up redirects Defending against malicious Web activity Controlling HAProxy from the command line Adding a backup load balancer