Three Phase Commit Protocol Explained for Beginners | Distributed Transactions
Distributed Systems Explained: Consistency, CAP, Quorums, Raft and Two-Phase Commit
Sagas: Distributed Transactions Without Two-Phase Commit
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Last Updated: October 27, 2026
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Want more system design content? Head over to hellointerview.com/youtube/ In our last video, we broke down 2-Phase Accompanying lecture notes: cl.cam.ac.uk/teaching/2122/ConcDisSys/dist-sys-notes.pdf Full lecture series: ... In this video I explain how we can use two-phase You just placed an order. The inventory got reserved. Payment is pending. Then the server crashes. Who holds the lock? One "no" from a single database is enough to roll back a transaction spanning every machine involved — this is the protocol that ... Lecture 66 of Designing Data-Intensive Applications, Explained in Java · Part 8: Transactions. In this lecture • A The payment succeeded, the inventory reservation failed, and there is no ROLLBACK across four services. This episode covers ...