Scout Blog
The Ruby app server ecosystem has consolidated around three app servers: Unicorn, Puma, and Passenger 5. What specific problems must an app server solve for Ruby? How do you pick the right app server?
Software development has changed rapidly over the last ten years. Many companies have moved away from the traditional waterfall development model to an agile methodology, and this has meant embracing continuous integration and continuous delivery practices. But how about taking it one step further with continuous deployment? Are you deploying to production automatically, without any human intervention? Some of the major products we rely on everyday are. We take a look at some of the best continuous deployment tools and put them head-to-head.
There is no denying the popularity of PHP. It has been a constant force in the web development world since its release way back in 1995. And now in 2019, thanks to Laravel, it is still going as strong as ever! Here at Scout, recently we have been working hard on providing a PHP performance monitoring agent to sit alongside our existing ruby, python and elixir agents. Prior to us releasing this PHP agent, let’s take a look at the PHP ecosystem to see how Scout can complement the existing monitoring landscape.
Disk I/O encompasses the input/output operations on a physical disk.
Like a pair of jumper cables, ActiveRecord's joins , includes , preload , and eager_load methods are incredibly useful, but also very dangerous when used incorrectly. Knowing when and where to use each approach - and even when to combine them - can save you considerable trouble.
If you are hosting your application with Heroku, and find yourself faced with an unexplained error in your live system. What would you do next? Perhaps you don’t have a dedicated DevOps team, so where would you start your investigation? With Scout APM of course! We are going to show you how you can use Scout to find out exactly where the problem lies within your application code. We are going to walk through two of the most common Heroku error codes and show you how to diagnose the problem with Scout quickly and efficiently.
In our previous post we looked at how to set up and use Mint to make a simple GET request to fetch the contents of a README file from a Github repository. In this post let us continue building our Awesome Toolbox and add some more functionality.
What Are We Doing Here? Coming back from Monitorama last week, I had a chance to sit back and start playing with some tools to see how they worked. Prometheus is a pretty ubiquitous tool in the monitoring space, is pretty easy to spin up, and most importantly (for this ...
Talks from industry experts and community leaders discuss the newest approaches in monitoring and observability. Find out which tools and techniques are in use at some of the largest web architectures in the world.
If you've been around the Ruby/Rails ecosystem for a bit you've likely heard the term 'background job' or 'offline processing'. But what does that actually mean? How do you know which tasks are suitable to be processed 'in the background'? Once you define those tasks, how do pick the right ...
Having the ability to drive your development using just a keyboard is very productive. However, when you are using a terminal and have to copy the output of a command to use it somewhere else, it breaks your flow, you need to move your hands away from your keyboard, use ...
Your Linux server is running slow, so you follow standard procedure and run top . You see the CPU metrics: But what do all of those 2-letter abbreviations mean? The 3 CPU states Let's take a step back. There are 3 general states your CPU can be in: Idle , ...