In this chapter, we’ve covered a few methods for reducing database and web server load for Fake Web Retailer. The ideas and methods used in these examples are currently in use in real web applications today.
If there’s one thing that you should take away from this chapter, it’s that as you’re building new pieces that fit within your application, you shouldn’t be afraid to revisit and update old components that you’ve already written. Sometimes you may find that your earlier solutions got you a few steps toward what you need now (as was the case with both shopping cart cookies and web analytics combined with our initial login session cookies code). As we continue through this book, we’ll keep introducing new topics, and we’ll occasionally revisit them later to improve performance or functionality, or to reuse ideas we already understand.
Now that you’ve gotten a taste for what Redis can do as part of a real application, the next chapter will go over a wider variety of commands available in Redis. After you learn more about each structure and what can be done with them, you’ll be ready to build even more useful components for other layers of your application or stack of services. So what are you waiting for? Keep reading!
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