https://link.springer.com/content/pdf/10.1007%2F978-3-030-42224-0.pdf
https://www.ionos.de/digitalguide/hosting/hosting-technik/nosql/
https://www.mongodb.com/blog/post/performance-best-practices-mongodb-data-modeling-and-memory-sizing
https://www.mongodb.com/developer/article/mongodb-schema-design-best-practices/