Rails memcached benchmark

# cache read benchmark (about a 2k string)

# I get the actual memcache store from ActionController
cache = ActionController::Caching.send(:class_variable_get,:@@cache_store)

# and run the benchmark 100 times
ActionController::Base.benchmark "cache benchmark: " do
  100.times do
    cache.read('views/sightings/1624/row')
  end
end

# =================
# First, with the "1.6.5" version bundled with rails 2.3
cache.instance_variable_get(:@data).class::VERSION
# => "1.6.4.99"

# => cache benchmark:  (182.9ms)

# =====================
# I switch memcache_client versions:

cache.instance_variable_get(:@data).class::VERSION
# => "1.5.0"

# => cache benchmark:  (18.6ms)