Chapter 1 trade-offs map Chapter 1 Map — Every Trade-off at a Glance no solutions, only trade-offs · every edge asks a question OLTP vs OLAP create vs analyze Record vs Derived truth vs rebuildable copies Warehouse vs Lake curated vs raw files CHAPTER 1 trade-offs, not solutions Cloud vs Self-host buy or build? Single vs Distributed distribute last Data, Law, Society keep vs minimize who is it for? where is the truth? where to analyze? build or buy? name the reason at what price? read it as: each arrow asks a question · each answer names its price single-node first · cache is derived · local disk is a cache · timeout means unknown