Redis In-Memory Data Store with Salvatore Sanfilippo (Changelog Interviews #45)

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Wynn caught up with Salvatore Sanfilippo to talk about Redis, the super hot key value store.

VMware signs the paychecks for Salvatore and Pieter Noordhuis
Redis is an open source, advanced key-value store and data structure server wherein keys can contain strings, hashes, lists, sets and sorted sets
Redis internals consist of ANSI C with an evented model
Non-blocking replication has always been a Redis design goal
Replication in Redis is async
Salvatore’s Redis toolbox includes the Redis Ruby gem and Sinatra
Chances are you can find a Redis library in your favorite language
The C client is the only officially supported wrapper
Salvatore thinks the NoSQL moniker isn’t perfect, focusing too much on performance, but it frames a discussion
Redis Pub/Sub is perfect for real-time apps
GitHub’s adoption of Redis in Resque helped fuel the growth of the project
Redis users tend to use it as a database, as a messaging bus, or as a cache
Salvatore thinks hosted solutions like Redis-to-Go need to add more value like more frequent backups and seamless upgrades.
Blizzard uses an 8-node Redis install in serving avatars for WoW
Justin Campbell asks will VMWare feature Redis in any upcoming projects?
Ezra Zygmuntowicz and GitHub were among the first “few brave users”
After a few months Salvatore noticed a dip in adoption , but he trusted his gut and stuck with it

Changelog

This episode was published back before we had transcripts. Thanks for understanding! 💚