Script that demonstrates a slight leak in Prawn's table generation code.

gistfile1.rbx

require 'rubygems'
require 'prawn'

pid = fork do
  loop do
    data = [['1', '2']] * 20
    headers = ['a', 'b']
    
    Prawn::Document.generate("leak#{Process.pid}.pdf") do
      table data, :headers => headers
    end
    GC.start
  end
end

loop do
  puts `ps u -p #{pid}`
  sleep 5
end