A script that tries to eat up 2GB of RAM every second. Can be used to test if memory usage alerts work correctly.

memory_leaker.rb

#!/usr/bin/env ruby
#
# This script tries to eat up 2GB of RAM every second
# It can be used to test if memory usage alerts work correctly

GB_PER_STEP = 2
str = ''
ate = 0

puts "Hey, you do have too much free RAM! Don't worry as we'll fix this very soon."

loop do
  str << 'x' * (GB_PER_STEP * 1024 * 1024 * 1024)
  ate += GB_PER_STEP
  puts "Ate #{ate}GB..."

  sleep 1
end