test server memory usage written by Tom Lea

#!/usr/bin/env ruby

pid = `ps | grep script/serve[r] | awk '{ print $1 }'`.chomp
puts "Server PID: #{pid}"

url = ARGV.last
puts "URL: #{url}"

puts "Hit enter to go."
$stdin.gets

def get_memory_usage(pid)
  `ps -o rss,vsz -p#{pid} | tail -n1`.chomp
end

puts "Initial Memory Usage: #{get_memory_usage(pid)}"

1000.times do
  system %Q{wget -O/dev/null -o/dev/null #{url}}
end

puts "Final Memory Usage: #{get_memory_usage(pid)}"