Sagan did a bit on this.

https://www.youtube.com/watch?v=G8cbIWMv0rI

This might help.

https://www.tecmint.com/clear-ram-memory-cache-buffer-and-swap-space-on-linux/

You could write a simple bash script to get memory and compare it to your desired memory usage then clear memory when desired usage has been exceeded. Then set your script as a cronjob.

Or you can just setup a cronjob to clear memory at a set interval in a cronjob described in the link.

deleted by creator

The key to happiness in life in under a minute.

https://www.youtube.com/watch?v=AM4FhoOd-NY

A little 90’s comedy bit your comment made me think of.

https://www.youtube.com/watch?v=tHEOGrkhDp0&t=0