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Similar issue to Slow loading rails environment
Loading the rails environment takes quite a bit of time and I’m not sure exactly why.
time ruby -r./config/environment.rb -e ""
real 0m18.590s
user 0m17.200s
sys 0m1.320s
Are there any tools/ways that can help me find why it is spending so much time to load the environment?
The project is fairly large, so I am assuming that it is coming from all the gem dependencies, but I would think that it would be able to be improved somehow.
If you are using Ruby 1.9 then see this blog post it may be the issue you are experiencing. If it is it has to do with the amount of requires in your project and the way that method is implemented in 1.9. There is a patch available to improve this performance.