+1 for Designing Data-Intensive Applications. I worked my way into the hadoop ecosystem a few years ago and read dozens of books before I started seeing the big

+1 for Designing Data-Intensive Applications. I worked my way into the hadoop ecosystem a few years ago and read dozens of books before I started seeing the big picture of databases, data processing and distributed systems. This book gives the same grounding in a single read, it’s an instant classic.