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Sidekiq

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description Sidekiq Overview

Sidekiq is the standard for background job processing in the Ruby on Rails ecosystem. It uses Redis as a message broker to handle asynchronous tasks like sending emails, generating PDFs, or interacting with third-party APIs. Sidekiq is known for its efficiency and ability to handle high volumes of jobs using multi-threaded workers, making it a staple for any production Ruby application.

help Sidekiq FAQ

Why do Rails apps use Sidekiq instead of doing work in the web request?

Sidekiq moves slow tasks such as emails, PDF generation, webhooks, and API calls into background jobs. That keeps a Rails request from waiting several seconds while work runs.

What does Redis do for Sidekiq?

Sidekiq stores job queues in Redis, with job payloads serialized as JSON. A Sidekiq process then pulls jobs from Redis and executes the corresponding Ruby worker code.

Who created Sidekiq?

Sidekiq was created by Mike Perham and first released in 2012. It became one of the standard Ruby background-job systems because it is multithreaded and efficient.

What is the difference between open-source Sidekiq, Sidekiq Pro, and Sidekiq Enterprise?

The open-source version covers the core background-job processor and web UI. Sidekiq Pro and Enterprise add commercial features such as more advanced reliability, batching, and operational controls for production teams.

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