HackerTube / Video
AWS re:Invent 2018: Amazon DynamoDB Under the Hood: How We Built a Hyper-Scale Database (DAT321)
Amazon Web Services

An AWS re:Invent 2018 session on how DynamoDB was built as a hyper-scale NoSQL database. It discloses underpinnings of the service and how it is run for over 100,000 customers.
HN points to it as an authoritative look at DynamoDB internals and as evidence it is a complex distributed system.
4 Hacker News mentions · 2018–2022