It's not about tuning - I made a damn good living (talking $1k/hour with 8 hour minimums) as a MySQL guy before I touched nosql. It's about scale, it's about f

It's not about tuning - I made a damn good living (talking $1k/hour with 8 hour minimums) as a MySQL guy before I touched nosql. It's about scale, it's about failover, it's about active active active multi DC Masterless HA. All of these things you can build around MySQL, but you end up reinventing something that looks a lot like Cassandra. If you're FB/YouTube, you write that tooling, because it extends your existing investment in MySQL Everyone else needing to scale to multipetabyte, millions of ops per second, always online scale is better off using Cassandra