When setting up a new deployment on Elastic Cloud, it is recommended to use minimum hardware requirements per zone, depending on the chosen provider. Using less could affect the performance of your deployment.
Why is this recommended? The provided link doesn't seem to give me a conclusive answer. And is this also recommended when having really small clusters (where more storage doesn't make sense)?
In addition, one of the articles which is linked to on the page doesn't seem to exist anymore:
in-depth on article on Elasticsearch and memory