A common misconception is that load balancing is enough to achieve high availability. That is only true when you factor in one, very important feature: health checks!
Health checks monitor your servers for issues. If a server loses connectivity or begins returning errors, the checks allow HAProxy to quickly remove it from the load balancing rotation. It’s simple to set up, but there are plenty of options for fine tuning the behavior.
Watch the latest skills lab to learn more about health checks with HAProxy!
Speaker: Chad Lavoie