When you think about frequently accessed applications (the ones that we use daily), such as Google, YouTube, and Facebook, it is the performance of these applications that distinguishes them from similar applications. Think for a moment. If Google took more than 10 seconds to provide search results, most people would switch over to Bing or some other search engine. So, performance is one of the primary factors in an application's success.
In this chapter, we are going to learn about the following things: