This article is part 1 of a series about building a high-performance web cluster powerful enough to handle 3 million requests per second. This first article describes my limited experience with a few load generator tools, and will hopefully save someone the time of having to stumble through each one like I did.

Load generators are programs that generate traffic of some type for the purpose of testing. They can show you how your server performs under heavy loads and can give you an idea of where the server’s weaknesses may be. Learning your server’s limitations through load testing is an excellent way to gauge your server’s resilience and can help you be prepared for anything. 继续阅读 →