Redis Application Patterns in Rails

Transcript

1. Redis on Rails Obie Fernandez Monday, April 30, 2012
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3. Redis Data Types •String • List • Set • Sorted Set • Hash Monday, April 30, 2012
4. Example Code http://github.com/obie/redis_on_rails Monday, April 30, 2012
5. Live Coding • Adding Redis-based flags and other properties to ActiveRecord objects • Event tracking with Redis sets • Graphing relationships between (User) objects with Redis sets • Time-ordered activity feeds with Redis sorted sets • Applying security restrictions to display of activity feeds with intersection of Redis sorted sets • Aggregating group activity feeds with union of Redis sorted sets • Applying Redis sorted sets to scoring and leaderboard programming • Integrating Redis with Rspec and Cucumber • Debugging tactics for when things go wrong or are unclear Monday, April 30, 2012
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7. KEYS Monday, April 30, 2012
8. Nest Object-oriented Keys for Redis github.com/soveran/nest • Creates a Redis connection by default • Calls to_s for key representation • Really simple code / hack it for your needs Monday, April 30, 2012
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11. Redis Data Types •String • List • Set • SortedSet • Hash Monday, April 30, 2012
12. http://upload.wikimedia.org/wikipedia/commons/0/0b/Intersection_of_set_X_and_set_Y_(Venn_Diagrams).jpg Monday, April 30, 2012
13. Redis Data Types • String • List •Set • Sorted Set • Hash Monday, April 30, 2012
14. Redis Data Types • String • List • Set •Sorted Set • Hash Monday, April 30, 2012
15. Redis Data Types • String • List • Set • Sorted Set •Hash Monday, April 30, 2012
16. RedisProps Easy annotation of ActiveRecord objects. Extracted from DueProps http://github.com/obie/redis_props example: facebook_authentication.rb Monday, April 30, 2012
17. RedisObjects Map Redis types directly to Ruby objects github.com/nateware/redis-objects Monday, April 30, 2012
18. http://nateware.com/ 2010/02/18/an-atomic- rant/ Monday, April 30, 2012