2 approaches for tracking online users with Redis. Which one is faster?
- by Stanislav
Recently I found an nice blog post presenting 2 approaches for tracking online users of a web site with the help of Redis.
1) Smart-keys and setting their expiration
http://techno-weenie.net/2010/2/3/where-s-waldo-track-user-locations-with-node-js-and-redis
2) Set-s and intersects
http://www.lukemelia.com/blog/archives/2010/01/17/redis-in-practice-whos-online/
Can you judge which one should be faster and why?