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Ten Pitfalls When Using Active Job in Rails 8 with Solid Queue

Your essential guide to avoiding common background job mistakes in Ruby on Rails 8 using Solid Queue.

Patrick Karsh
6 min readDec 30, 2024
This queue sucks.

Active Job is a powerful framework in Ruby on Rails that provides a consistent interface for creating and running background jobs. Whether you’re sending out emails, processing images, or interacting with external APIs, Active Job is a convenient way to offload work outside of the main request-response cycle. However, even in Rails 8 — where Active Job has received various performance and reliability improvements — there are still common pitfalls you can run into.

If you’re considering or already using Solid Queue as your background job adapter, this article will show you how to steer clear of typical mistakes and get the most out of both Active Job and Solid Queue.

Neglecting to Choose the Right Adapter (or Not Configuring Solid Queue Properly)

Pitfall: Assuming the default Active Job adapter (:async) is sufficient for production and forgetting to configure Solid Queue.

Why It Matters: In Rails 8, :async is more performant than previous versions, but it still processes jobs within your main application process. Under…

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Patrick Karsh
Patrick Karsh

Written by Patrick Karsh

NYC-based Ruby on Rails and Javascript Engineer leveraging AI to explore Engineering. https://linktr.ee/patrickkarsh

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