Distributed Transactions are Hard (How Two-Phase Commit works)
The Backend Engineering Show with Hussein Nasser
00:00
Ensure Atomicity in a Distributed Transaction
An atomic transaction is a process where the states and data that I'm changing are completely different machines. How do I ensure atomicity? Now this is a big problem, right? And now what you have partitioning in your database, then there is no longer guarantees consistency. You cannot get a guarantee consistency. But that's pretty much it. Because you're now physically separating the end, there is a link that tolerable for failure.
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