In this episode, Aaron talks with Joran Greef, CEO and creator of TigerBeetle, the world’s first financial transactions database. Joran takes us on a deep dive of on how TigerBeetle brings double-entry accounting principles directly into the database layer to achieve extreme correctness, performance, and fault tolerance at scale.

Follow Joran and TigerBeetle:
Twitter/X: https://twitter.com/jorandirkgreef
Website: https://tigerbeetle.com
GitHub: https://github.com/tigerbeetle/tigerbeetle
Tiger Style: https://github.com/tigerbeetle/tigerbeetle/blob/main/docs/TIGER_STYLE.md
YouTube: https://www.youtube.com/@UC3TlyQ3h6lC_jSWust2leGg

Follow Aaron:
Twitter/X: https://twitter.com/aarondfrancis
Database School: https://databaseschool.com
Database School YouTube Channel: https://www.youtube.com/@UCT3XN4RtcFhmrWl8tf_o49g (Subscribe today)
LinkedIn: https://www.linkedin.com/in/aarondfrancis
Website: https://aaronfrancis.com - find articles, podcasts, courses, and more.

Chapters:
00:00 - Introduction and crossover between accounting and databases
01:50 - Meet Joran Greef and the origins of TigerBeetle
02:55 - What makes TigerBeetle different from general purpose databases
04:38 - The founding story and the 5,000-year history of transactions
07:42 - How modern commerce became highly transactional
10:06 - Recognizing the limits of general purpose databases
13:18 - From distributed systems to payment infrastructure
17:01 - Discovering bottlenecks in traditional database performance
19:58 - Why traditional databases can’t scale for microtransactions
23:05 - Introducing double-entry accounting concepts
25:20 - How double-entry accounting mirrors database design
31:35 - Modeling ledgers and event sourcing in Tiger Beetle
35:02 - Why TigerBeetle outperforms Postgres and MySQL
40:05 - Batching transactions for massive throughput
47:09 - Client-side batching and zero-copy efficiency
50:04 - Handling contention and concurrency internally
56:03 - Ensuring correctness and atomicity in transactions
57:17 - Designing for mission-critical systems and reliability
1:00:50 - Building safety through deterministic simulation testing
1:04:55 - Detecting and recovering from storage faults
1:10:00 - How TigerBeetle prevents data corruption
1:17:01 - Distributed replication and self-healing data
1:20:08 - Who’s using TigerBeetle and how it’s structured as a company
1:24:01 - How to learn more and get involved with TigerBeetle
1:26:15 - Closing thoughts and where to find Joran online