I am running Graylog (4.0.5+d95b909) on a three node Ubuntu (20.04.2 LTS) cluster with a hardware loadbalancer in front.
Graylog remebers me to update to 4.0.6. But what is actually the best procedure to update the cluster?
Update package in all nodes, restart one at the time and you should be fine.
Thank you for the answer.
I will try this procedure.
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