“Also, I very much doubt that your caching layers are 100% efficient. I’ll bet money you have plenty of data that are cached and never read again before eviction. I’ll bet more money you don’t even track that. That doesn’t mean you’re a bad person. It means that caching is often more trouble than it’…”— Carlos Bueno, blog.memsql.com
“The choice to use a NoSQL database is often based on hype, or a wrong assumption that relational databases cannot perform as well as a NoSQL database. Operational costs, as well as other stability and maturity concerns, are often overlooked by engineers when it comes to selecting a database.”— Yoav Abrahami, blog.wix.engineering