Redis:
- Redis vs MySQL vs Tokyo Tyrant (on EC2) « Colin Howe’s Blog
- Key-Value Stores for Ruby (Part 4): To Redis or Not To Redis? | Engine Yard Blog
Cassandra:
- Jonathan Ellis’s Programming Blog – Spyced: Why I like the Cassandra distributed database
- ieure’s python-cassandra at master – GitHub
- digg’s lazyboy at master – GitHub
Performance Tradeoffs:
- Debunking a Myth: Column-Stores vs. Indexes – The Database Column
- Debunking Another Myth: Column-Stores vs. Vertical Partitioning – The Database Column
- Code Monkeyism: Essential storage tradeoff: Simple Reads vs. Simple Writes