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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Chapter 2Optimizing Data Access with ActiveRecord
You’ve heard the claim: “Rails doesn’t scale.” Like most generalizations, it’s false, but that’s small comfort when you’re trying to figure out why this particular Rails application doesn’t scale.
And in general, it’s impossible to diagnose why a Rails application doesn’t scale without performing a thorough investigation. If you allow me to paraphrase a famous quote from Anna Karenina, one could say that every poorly performing system fails in its own unique way, having gotten there following its own peculiar path to failure.
Still, some paths are more common than others, so you can usually make an educated guess as to why a system is performing poorly. Because typically, the performance bottleneck ...
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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.
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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.