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doc: improve sentence relating to odd number of worker nodes

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Co-authored-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>
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Victory Osikwemhe
2023-01-04 15:46:28 +01:00
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1 changed files with 2 additions and 3 deletions
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engine/swarm/how-swarm-mode-works/nodes.md
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@@ -42,9 +42,8 @@ from the failure of a manager node without downtime.
* A three-manager swarm tolerates a maximum loss of one manager.
* A five-manager swarm tolerates a maximum simultaneous loss of two
manager nodes.
* An `N` (`N` is an odd number of manager nodes in the cluster) manager cluster tolerates the loss of at most
`(N-1)/2` managers.
* Docker recommends a maximum of seven manager nodes for a swarm.
* An odd number `N` of manager nodes in the cluster tolerates the loss of at most `(N-1)/2` managers.
Docker recommends a maximum of seven manager nodes for a swarm.
>**Important Note**: Adding more managers does NOT mean increased
scalability or higher performance. In general, the opposite is true.