.NET Performance Testing and Optimization - The Complete Guide Review

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.NET Performance Testing and Optimization - The Complete Guide ReviewThis book is just like its name, a complete guide to .net performance testing. It covers very broad scenarios related to .net development of various types of applications. I would think of this book as a handbook for beginner or intermediate levels of developers. When one needs deep insight to certain performance problems, the book can point out a direction and ONLY a direction.
One needs to know a bit more or be a little experienced with typical software development process and roles in order to understand the book at a better level. I like the test metrics part since it mentions the metrics together with the typical values of these metrics under various situations. The performance tuning and load balancing tips in chapters 11-13 are quite useful. But the chapters about application profiling and performance profiling look more like a brief introduction to various tools available. In addition, the timing of the content is important. One needs to look forward to an upgraded version when Windows 7 and Visual Studio 2010 is used massively.
All in all I think this is a good handbook and it covers a very important and realistic topic. It is interesting to say that I still find useful tips from the book after working in a large software development organization for years. :).NET Performance Testing and Optimization - The Complete Guide OverviewThere is a huge amount of information available on the how's and why's of performance testing .NET applications, but it is often fairly subjective, narrow in scope, or doesn't quite cover everything you were hoping to learn. The Complete Guide to Performance Testing and Optimizing .NET Applications (by Paul Glavich and Chris Farrell) covers everything from why you should test, through the steps of setting up your test environment, all the way to how to actually run and record tests, and what you should be looking for. Once you're up and running, Paul and Chris cover the fine details of tips and techniques to make the most of your performance testing, and some good ways to get fast results. With all this detail, you will have everything you need to make the most of your .NET code.

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Even Faster Web Sites: Performance Best Practices for Web Developers Review

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Even Faster Web Sites: Performance Best Practices for Web Developers ReviewThis book is a follow-on to Steve Souder's first book entitled "High Performance Web Sites". Whereas the first book was authored entirely by Steve Souder, this newer book contains chapters authored by other experts in Javascript, Ajax, and/or Network Performance. Comparatively speaking, I tend to think of the performance tuning techniques discussed in the first book as all relatively straightforward to implement, while those in this newer book as ranging from some that are relatively straightforward to implement (e.g., how to write efficient Javascript and CSS Selector code, how to optimize image sizes, and how to flush documents early to trigger initial web page rendering as soon as possible), to others that tend to be trickier to implement, involving either the use of:
* lesser known http features (e.g., chunked encoding for incremental page rendering or low-latency data transfers from server to browser in support of near-realtime applications such as chat, stock quotes, etc), or
* still evolving technologies (e.g., Google GEAR or Web Worker API for overcoming Javascript's single-threadedness to get more concurrent work done), or
* not yet publicly released technologies (e.g., Microsoft Research's Doloto system that facilitates the "splitting and packaging" of a Javascript-intensive Web Application into a quick-loading initial component or cluster that enables early page rendering, and supporting payloads that are loaded more lazily or on-demand).
One theme that runs throughout this newer book is that in order to squeeze more performance out of a next generation web application, developers would have to become more and more adept with using asynchronous techniques (which could involve tricky issues); by this I don't just mean using Ajax which could involve asynchronously pulling data from server to browser, but also asynchronous techniques for facilitating parallel component downloads, etc.
Given the cutting-edge and more complex nature of some of the discussed techniques, this book is an invaluable aid to anyone itching to experiment: it lays out a problem, suggests approaches and related tools whenever appropriate (e.g., no access to Doloto?, here are alternative do-it-yourself implementation approaches), provides lots of sample code, calls out potential gotchas and how to workaround them, and then with the support of empirical data, tells you the relative pros and cons of each suggested approach. Highly recommended!Even Faster Web Sites: Performance Best Practices for Web Developers OverviewPerformance is critical to the success of any web site, and yet today's web applications push browsers to their limits with increasing amounts of rich content and heavy use of Ajax. In this book, Steve Souders, web performance evangelist at Google and former Chief Performance Yahoo!, provides valuable techniques to help you optimize your site's performance.
Souders' previous book, the bestselling High Performance Web Sites, shocked the web development world by revealing that 80% of the time it takes for a web page to load is on the client side. In Even Faster Web Sites, Souders and eight expert contributors provide best practices and pragmatic advice for improving your site's performance in three critical categories:

JavaScript--Get advice for understanding Ajax performance, writing efficient JavaScript, creating responsive applications, loading scripts without blocking other components, and more.
Network--Learn to share resources across multiple domains, reduce image size without loss of quality, and use chunked encoding to render pages faster.
Browser--Discover alternatives to iframes, how to simplify CSS selectors, and other techniques.

Speed is essential for today's rich media web sites and Web 2.0 applications. With this book, you'll learn how to shave precious seconds off your sites' load times and make them respond even faster.

This book contains six guest chapters contributed by Dion Almaer, Doug Crockford, Ben Galbraith, Tony Gentilcore, Dylan Schiemann, Stoyan Stefanov, Nicole Sullivan, and Nicholas C. Zakas.


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