example_redis-rb.rb

#! /usr/bin/env ruby
require 'dotenv'
Dotenv.load

require 'redis'

# USAGE:
# Put credentials in .env file, wrapped in single quotes. DO NOT COMMMIT this file to git!
# Wrap values in single quotes and escape all quotes inside strings with \.
# bundle exec ruby script/dev/example_redis-rb.rb
puts ENV['REDIS_PASSWORD']
puts 'Connecting...'
redis = Redis.new(
    :host => ENV['REDIS_HOST'],
    :port => ENV['REDIS_PORT'],
    :password => ENV['REDIS_PASSWORD'])

# open a connection to Redis
puts 'Setting...'

key = 'foo'
redis.set(key, 'bar');
value = redis.get(key);

puts "Setting expiry..."
redis.expire(key, 300) # seconds = 5 minutes.

puts "Response:"
puts value

# testing GET/SET/PING average is: <200 rps, <60ms
# 10 concurrent conn, if more: Error: Connection reset by peer
# redis-benchmark -h pub-redis-00000.eu-west-1-1.2.ec2.garantiadata.com -p 12386 -t ping,set,get -n 1000 -c 10
# compare to localhost: ~2800 rps, 0 milliseconds
# redis-benchmark -t ping,set,get -n 1000 -c 10

# no ssl :-(
# sudo tcpdump -nnvvXSs 1514 -n dst port 12386