Pinterest and SQL vs. NoSQL

I’ve recently discovered a very interesting read about Pinterest‘s architecture experimentation. One of the key messages is the fact that SQL and NoSQL data storage systems can coexist with each of them having their place. Here’s the full article:

http://highscalability.com/blog/2013/4/15/scaling-pinterest-from-0-to-10s-of-billions-of-page-views-a.html

This reminds me of a previous article about Instagram successfully displaying how they implemented large-scale sharding on Postgres:

https://blog.jooq.org/a-success-story-of-sql-scaling-horizontally/