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by ongardie
4060 days ago
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If the network is split into AB and CDE, then only CDE will be able to reach a quorum. If a client is on the AB side of that split, no consensus algorithm could guarantee freshness on a read. LogCabin clients will continually retry until they can talk to a functioning leader (and clients can put a timeout on that) so that you get a guaranteed fresh read every time; other systems could choose to return a stale result right away instead. It's up to the implementation, but I strongly recommend people not do stale reads by default. |
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