I'm the author of Web Scaling vol. 1 - Small Architectures, available here:

http://scalingexperts.com/books/

For scaling with HAProxy, Keepalived (LVS), MySQL, Memcached and more. It's mostly for beginners in the world of scalability.

I'm also a GitHubber - https://github.com/alexwilliamsca

@alexandermensa