Consensus: who holds the pen
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Consensus: who holds the pen. The bouncer at the door could decide alone — one machine, one counter, one instant no. But the chai stall's ledger has only one pen, and four episodes back we watched the clerk hol
Based on the board Who Holds the Pen.
Try it in the lab: Who holds the pen.
Related papers: In Search of an Understandable Consensus Algorithm, The Google File System, Spanner: Google's Globally-Distributed Database, Time, Clocks, and the Ordering of Events in a Distributed System, Paxos Made Simple, The Chubby lock service for loosely-coupled distributed systems and ZooKeeper: Wait-free coordination for Internet-scale systems.
Covered in Raft 01: Leader Election, Raft Capstone: Everything, Who holds the pen (consensus & Raft).
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