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Comment by mickeyben | Hacker News Reader

I love this hack. We're using it a lot at our company.

exemple:

  if ENV["NO_REDIS_CACHE"]
    config.cache_store = :null_store  
  else
    config.cache_store = :redis_store  
  end

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That's kind of interesting. One would think the :null_store would only be useful in some environments, and not as something you may want, for example, in production. In what capacity are you using this?

We're using this in development, staging and test. But only in some circonstances.

In development if we need to try something without cache, and in staging and tests for some tests runner (integration tests, QA crawlers, ...).

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