It is time to say goodbye: This version of Elastic Cloud Enterprise has reached end-of-life (EOL) and is no longer supported.
The documentation for this version is no longer being maintained. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
A simple strategy that creates new instances with the new plan one by one, migrates data from one node that needs to be removed and proceeds to the next node to add/remove. It allows minimizing the amount of spare capacity needed.