May 2025
Intermediate to advanced
270 pages
6h 55m
English
Content preview from Rails Scales!Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Caching and Denormalizing
The importance of caching for improving system performance is best understood if it is explored hand-in-hand with the topic of denormalization. What are both techniques, how are they related, and how do they help us with performance optimization? This chapter will answer those questions and show you how best to implement caching and denormalization in your own application.
Let’s start by defining those two terms.
Caching is the process by which a system stores frequently accessed data in smaller, faster storage so it can be served quicker. The most common algorithm used in caching is the following:
- Check if the data is in the cache
- If the data is in the cache (cache hit), just return it.
- If the data is not in the cache ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.