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by nvarsj 1680 days ago
It's a misunderstanding of the paper I think. The blog post author and SO post both make the mistake of altering the Paxos Made Simple algorithm to allow sending phase 2 messages to any majority set of acceptors. But that doesn't work unless you also alter the P2b wording so that an acceptor also treats prior accepts as promises. I can see there is a slight ambiguity in the reading of the PMS paper itself that would make you think this is okay, but saying it is a bug in the paper is a bit of stretch.