Memcached benchmark

memcached_bench.rb

#!/bin/env ruby
# encoding: utf-8
# Author: kimoto
require 'memcache'

def benchmark(desc, &proc)
  puts ">>> #{desc}"
  start = Time.now
  begin
    proc.call
  rescue => ex
    STDERR.puts ex
  end
  stop = Time.now
  stop - start
end

cache = Memcache.new(:server => 'localhost:11211')
requests = 1000

seconds = benchmark "memcached Set Speed" do
  requests.times{ |n|
    key = "key_#{n}"
    cache.set(key, "http://http://kimoto.hatenablog.com/?n=#{n}")
  }
end
puts "#{seconds} seconds"
puts "#{(requests / seconds)} req/sec"
puts 

seconds = benchmark "memcached Get Speed" do
  requests.times{ |n|
    key = "key_#{n}"
    cache.get(key)
  }
end
puts "#{seconds} seconds"
puts "#{(requests / seconds)} req/sec"
puts 

seconds = benchmark "memcached Not found Get Speed" do
  requests.times{ |n|
    key = "nfk_#{n}"
    cache.get(key)
  }
end
puts "#{seconds} seconds"
puts "#{(requests / seconds)} req/sec"