How Stripe Moves Petabytes of Data with 5.5 Nines of Reliability

A technical deep-dive into Stripe's custom DocDB platform that handles 5 million queries per second across 2,000+ MongoDB shards, enabling $1.4 trillion in annual payment processing. The talk covers their zero-downtime horizontal migration architecture, B-tree optimization techniques achieving 10x write throughput gains, and bidirectional replication strategies for safe rollbacks. Ideal for infrastructure engineers, database architects, and developers building high-availability distributed systems.