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Poor Time Performance Of 'rake Assets:precompile'

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Running: bundle exec rake assets:precompile RAILS_ENV=production Takes about 6 minutes for 15 .js files of about 250kb total. It should not take this long surely? I see the 'Mic

Solution 1:

Which server are you running? Is it Ubuntu, Debian, Mac? Make sure you have this in your Gemfile:

group :productiondo
  gem "libv8"
  gem "therubyracer", :require => 'v8'end

See this page for more info: https://github.com/rails/rails/issues/2537

You can also try to remove unused files in your app/assets/* folders. Time is most spent on JS compilation.

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