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Monitoring Apdex with Scout APM

BY Matthew Chigira

There is no doubt that looking at response times and memory usage is essential to understanding the general health and performance of your application. But as I am sure you are aware, there is more than one way to monitor an application. Approaching monitoring from a different angle can be a powerful way of gaining new insights. If all you did was watch for high response times or areas of memory bloat, then you might overlook something far more simple: the user’s general level of satisfaction. So how can we monitor this rather broad concept of user satisfaction? Well, we can monitor this with a rather useful metric known as the Apdex score...

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Scout in London for Meet-up and Code Elixir LDN

BY Yuga Koda

Some of the Scout members travelled from Tokyo to Ireland via boats and trains… and no planes! On day 18 of the 20 day adventure, we had our first London drink-up! We hosted the event at Guy Ritchie's old pub called The Punchbowl.

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What’s new in Rails 6?

BY Matthew Chigira

With the official release of Rails 6 just around the corner, we round up all the major new features coming your way. It is an exciting release due to some big features coming upstream from the Basecamp and GitHub projects. Amongst the many minor updates, useful tweaks and bug fixes, Rails 6 will ship with two completely new frameworks: ActionText and ActionMailbox, and two big scalable-by-default features: parallel testing and multiple database support. So set your Gemfile to get Rails 6.0.0.rc1 and let’s get started!

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Unicorn vs. Puma vs. Passenger: which app server is right for you?

BY Derek Haynes

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? Is there a need for each of these app servers in ...

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Identifying bottlenecks and optimizing performance in a Python codebase

BY Satwik Kansal

Optimizing performance in Python What does "Optimizing" code mean anyway? The term "optimization" can apply to a broad level of metrics. But two general metrics of most interest are; CPU performance (execution time) and memory footprint. For this post, you can think of an optimized code as the one which ...

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Continuous Deployment Tools

BY Matthew Chigira

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.

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2019 PHP Monitoring Options

BY Matthew Chigira

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.

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Understanding Disk I/O - when should you be worried?

BY Derek Haynes

Our co-author today is Christian Paredes , Senior System Administrator at Blue Box Group , a Ruby on Rails-focused web host that specializes in providing the operations expertise required to keep powerful apps running at peak performance. Christian keeps Blue Box Group’s internal infrastructure in top-shape and provides tier 3 ...

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Meet Scout's new transaction timeline view

BY Derek Haynes

Today we're happy to announce that our transaction timeline view has exited BETA and is now available for all Ruby apps monitored by Scout.

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Making sense of ActiveRecord joins, includes, preload, and eager_load

BY Derek Haynes

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 as your app ...

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