Designing a Modern Ledger Database with Michael Parsons (CTO and Co-Founder @Twisp)

Hey Everyone, In this episode I discuss Twisp's journey with Mike Parsons, CTO and Co-Founder of Twisp. We have discussed how they ended up building a cloud native distributed ledger database on top of DynamoDB, why they chose DynamoDB? what were the challenges they faced and many highly technical and very interesting topics. Chapters: 00:00 Introduction - Twisp - CTO and Co-Founder Mike Parsons 03:01 What do we mean by a Distributed Ledger Database? 07:13 Is it similar to Blockchain? 08:32 Challenges faced with Relational Database setup 19:39 Why DynamoDB was the right choice? 24:40 What was the scale you were building for? 26:05 Who uses a Ledger database? 29:30 What are the basic primtives in a ledger database? 33:55 Is every primitive Immutable? How is it stored? 38:07 Impact of Immutability on Data storage 41:33 How does idempotency work in Twisp? 44:53 How did you provide ACID guarantees on top of DynamoDB? 52:30 How do you ensure correctness? 57:13 Interesting real world usecases where Twisp is used. 01:02:33 Are you planning to build even higher level primitives? References: Clocks: https://cse.buffalo.edu/tech-reports/... and http://rystsov.info/2018/10/01/tso.html TicToc: https://people.csail.mit.edu/sanchez/... Hekaton Paper: https://www.microsoft.com/en-us/resea... Hermitage Test suite: https://github.com/ept/hermitage Online Async Schema Change in F1 : https://static.googleusercontent.com/... Designing Data intensive Applications: https://www.oreilly.com/library/view/... P Programming language: https://github.com/p-org/P Twisp: https://www.twisp.com/ AWS Dynamo DB: https://aws.amazon.com/pm/dynamodb/?t... Connect with Mike: https://www.linkedin.com/in/parsnips/ Follow me: Twitter: https://twitter.com/thegeeknarrator Linkedin: https://www.linkedin.com/in/kaivalyaa... Watch other playlists: Databases:    • Modern Databases   Distributed systems:    • Distributed Systems   Software Engineering:    • Software Engineering   Sofk skills:    • Soft Skills   Like, share and subscribe to the channel folks. See you in the other episode. Cheers, The GeekNarrator