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Editorial Team
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Asked: 2026-05-22T16:48:17+00:00

Rails 3.0 is a serious dog. I’ve been developing on Rails for 5 years,

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Rails 3.0 is a serious dog. I’ve been developing on Rails for 5 years, and it’s never been slower to startup. In particular, tests take forever to bootstrap on a top notch MacBook with SSD, so iteration cycles suffer severely. I need to read an article every time I start a test. It’s insane and not “agile”. I might as well be compiling.

This is the major motivation for me to finally move on from Rails – when I have the chance.

If anyone has a solution, please offer it. I know many people suffer from this problem.

I don’t use rspec – I know there is a solution to help with tests for rspec.

I’m using faster_require and rails-dev-boost, but there is no significant impact.

I’m on ruby 1.9.2 and need to be. A single pretty simple controller test takes 26 seconds on a dual core 2.13 Ghz MacBook Air with 4Gb RAM and SSD! Why!?

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1 Answer

  1. Editorial Team

    To quote Yehuda Katz:

    There are things that the C require code does in 1.9 that slow things down. One such example is re-checking $LOAD_PATH to make sure it is all expanded on every require. This is something that should be addressed by ruby-core. I’ll open a ticket on redmine if there isn’t one already.

    I am also experiencing this problem and a $LOAD_PATH issue seems like a potential cause. Lets hope it gets fixed soon.

    So it sounds to me like you’ll just need to suffer through this and hopefully it will be fixed in Ruby 1.9.3.

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