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Adjust formula for quorum size (#7286) 

Current formula for quorum size does not match numbers in table below.
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Christoph Puhl 2020-02-13 16:57:38 +01:00 committed by GitHub
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website/source/docs/internals/consensus.html.md
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@ -37,7 +37,7 @@ same sequence of logs must result in the same state, meaning behavior must be de
For Consul's purposes, all server nodes are in the peer set of the local datacenter.
* Quorum - A quorum is a majority of members from a peer set: for a set of size `n`,
quorum requires at least `(n/2)+1` members.
quorum requires at least `(n+1)/2` members.
For example, if there are 5 members in the peer set, we would need 3 nodes
to form a quorum. If a quorum of nodes is unavailable for any reason, the
cluster becomes *unavailable* and no new logs can be committed.