redis_json_msgpack_bench.rb

require 'benchmark'
require 'msgpack'
require 'redis'
require 'json'

r = Redis.new
h = { a: 'hoge', b: 100, c: true }
n = 50000
r.flushdb

Benchmark.bm do |x|
 
  x.report('json set: ') do
    n.times { |i| r.set i, h.to_json }
  end
  x.report('json get: ') do
    n.times { |i| JSON.parse(r.get(i)) }
  end

  r.flushdb

  x.report('msgpack set: ') do
    n.times { |i| r.set i, h.to_msgpack }
  end
  x.report('msgpack get: ') do
    n.times { |i| MessagePack.unpack(r.get(i)) }
  end

end

# RESULT
#                user     system      total        real
# json set:   3.290000   1.080000   4.370000 (  5.120954)
# json get:   3.410000   1.060000   4.470000 (  5.231562)
# msgpack set:   2.930000   1.050000   3.980000 (  4.737009)
# msgpack get:   3.020000   1.040000   4.060000 (  4.771550)