Distributed transactions: the two ledgers must agree
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Distributed transactions: the two ledgers must agree. Last time a majority decided who holds the pen. One leader, one book, every write landing in a single place. Now the money has to leave that book and land in another one, on a diff
Based on the board The Two Ledgers Must Agree.
Try it in the lab: The two ledgers must agree.
Related papers: In Search of an Understandable Consensus Algorithm, Spanner: Google's Globally-Distributed Database, Time, Clocks, and the Ordering of Events in a Distributed System, Brewer's Conjecture and the Feasibility of Consistent, Available, Partition-Tolerant Web Services, Paxos Made Simple and Large-scale Incremental Processing Using Distributed Transactions and Notifications.
Covered in The Two Ledgers Must Agree (Distributed Transactions).
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