May 2025
Intermediate to advanced
270 pages
6h 55m
English
Content preview from Rails Scales!
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Monitoring (Almost) All the Things!
Datadog offers many, many features. The purpose of this chapter is to give you a light introduction to it. However, I promise you will learn enough to monitor your performance really efficiently without having to understand all the functionalities of the platform.
Before learning how to monitor your application, you will need some requests to “seed” your metrics so you actually have something to monitor. I have prepared a Rake task that hits a different application endpoint every second. You can run it by writing the following in your terminal:
| | % rake seed_datadog |
The task runs the following script that you can find in lib/tasks/seed_datadog.rake:
| | require ... |
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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.