test_script.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'typhoeus'

100000.times do |t|
 Thread.new do
   puts "requesting - #{t}"
   @req = Typhoeus::Request.new("http://#{ARGV[0]}:#{ARGV[1]}",
                               :method  => :post,
                               :body    => "something=somethingelse")


   Typhoeus::Hydra.hydra.queue @req
   Typhoeus::Hydra.hydra.run
 end
end

test_server.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'sinatra'

post '/' do
  "hello there!"
end