Fun with Ruby and Redis
summary
Claims Redis serves as in‑memory data structures not just a cache and hits half a million inserts per second on one box; integration with Ruby uses Resque/Sidekiq for queues and Lua for atomic scripting and custom operations. Examples: Twitter keeps timelines as ID lists in Redis (reads join Memcache/MySQL), Pinterest shifts from MySQL to Redis for set operations, Instagram later removes Redis and cuts servers by 75 percent — sometimes it helps, sometimes it costs.
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chapters (5)
- 0:00Start
- 2:17ignaz semmelweis
- 6:21myth: queues
- 8:09hacker meets thinker
- 32:06moving from redis to cassandra: 75% savings on servers
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