« While there are quite a few good options for load balancers, HAProxy has become the go-to Open Source solution. It’s used by many large companies, including GitHub, Stack Overflow, Reddit, Tumblr and Twitter.
HAProxy (High Availability Proxy) is able to handle a lot of traffic. Similar to Nginx, it uses a single-process, event-driven model. This uses a low (and stable) amount of memory, enabling HAProxy to handle a large number of concurrent requests.
Setting it up is pretty easy as well! We’ll cover installing and setting up HAProxy to load balance between three sample NodeJS HTTP servers… »