Sidekiq is one of the most popular (if not the most popular one) background job framework in Ruby world, which is not a big surprise: it allows to achieve a decent throughput, is stable and well-maintained, has some great features (including also all the gems extending its built-in functionality) and is easy to get started with. It seems like you could simply install Redis, add Sidekiq to your application and you are good to go!

That would work if you didn’t have any business-critical background jobs where reliability doesn’t matter that much. However, if you cannot afford to lose jobs every now and then, there are some things that are absolutely critical to review in your configuration and infrastructure.

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