CarrierWave Benchmark (URL generating for AWS private bucket)

bench_aws.rb

$LOAD_PATH << File.expand_path("lib") # carrierwave/lib path
require "carrierwave"
require "benchmark"

CarrierWave.configure do |config|
  config.fog_credentials = {
    :provider               => 'AWS',
    :aws_access_key_id      => 'foo',
    :aws_secret_access_key  => 'bar',
  }
  config.fog_directory  = 'carrierwave-benchmark'
  config.fog_public     = false
end

class FooUploader < CarrierWave::Uploader::Base
  storage :fog
end

# Ignore first time
uploader = FooUploader.new
uploader.retrieve_from_store!("image.png")
uploader.url

Benchmark.bm do |x|
  x.report {
    300.times do |i|
      uploader = FooUploader.new
      uploader.retrieve_from_store!("image_#{i}.png")
      uploader.url
    end    
  }
end

# No caching fog connection
#      user     system      total        real
# 12.200000   0.150000  12.350000 ( 12.348581)
#
# Caching fog connection
#      user     system      total        real
#  0.190000   0.000000   0.190000 (  0.196306)