file.rb

require "rubygems"
require "celerity"


threads = []

threads << Thread.new do
  
  # en ny browser per tråd
  browser = Celerity::Browser.new
  browser.goto "http://"
  # osv
  
end

threads.each { |t| t.join } # vent til alle trådene er ferdig

hotel_searcher.rb

require "rubygems"
require "celerity"


# viktig, ellers "slukes" alle feil som kastes i trådene
Thread.abort_on_exception = true 

class HotelSearcher
  
  def execute(number_of_users)
    threads = []
    
    number_of_users.times do
      threads << Thread.new { random_hotel_search }
    end
    
    threads.each { |t| t.join }
  end
  
  def random_hotel_search
    browser = Celerity::Browser.new
    browser.goto "http://...."
    # osv
  end
  
end

hs = HotelSearcher.new
hs.execute(50) # kan bli litt tungt for CPUen dette..