On 12/02/2021 15:47, Freddy Andersen wrote:

I would say everyone recommends at least 3 monitors and since they
need to be 1,3,5 or 7 I always read that as 5 is the best number (if
you have 5 servers in your cluster).
We have 3 on all our clusters, and at the risk of tempting fate, haven't had any issues as a result...

[it's slightly fiddly to add more, since we give them a bunch of extra storage than our other nodes since the Mon store can get pretty big in a large cluster if you have to do a big rebalance]

Regards,

Matthew


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