What is Ruby doing on Rails?
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Monitor and Debug Bottlenecks in Sidekiq
If you've ever used Sidekiq, you might have experienced a worker hanging and cloging your queues. Checkout how the engineering team building VTS handles this with a little help of New Relic.
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Create a binary distribution of your Ruby application for Linux, OSX & Windows. Native C extensions are fully supported.
Database load can be a silent performance killer. Checkout how Richard Schneeman debugged a not so obvious expensive SQL expression.

A new course by Ben Orenstein, the author of Upcase.
It's for you if you've worked on a Rails app long enough to see development slow down and if shipping features faster is a priority. Because great code ships faster.

Links to Rails applications and their open source codebases for developers to learn from. Includes more than 30 open source projects.

Blast from the past
An intro to CQRS - the Command Query Responsibility Segregation. It's the notion that you can use a different model to update information than the model you use to read information. Martin Fowler talks about the benefits and potential risk due to this approach.

Gem of the week
2 months ago we already covered Bootsnap in our Gem of the week section, however we're honouring it again since it became a part of the Rails default Gemfile.
Curated by Infinum's Rails team.
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