Introduce a target cluster size hint setting #3635
Merged
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This is meant to be used by deployment tools,
core features and plugins that expect a certain minimum
number of cluster nodes to be present.
For example, certain setup steps
in distributed plugins might require
at least three nodes to be available.
This is just a hint, not an enforced
requirement. The default value is 1
so that for single node clusters,
there would be no behavior changes.