Chapter 6. Investigating performance issues

It’s tempting to think that if you plan and design for performance, set up a comprehensive performance test suite, and do everything you can to make your app as fast as possible, you won’t have any performance issues to investigate. Alas, that’s not going to be the case, but before you throw away the book, please hear me out.

Just like writing clean code and doing unit testing won’t prevent you from introducing bugs in your code, the performance efforts I covered in the previous chapters won’t guarantee the absence of performance problems. However, if you follow the advice, you will stand a much better chance of detecting issues early and avoiding big, expensive-to-fix problems. When you identify issues ...

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