TimeoutStopSec= as well as some other related options; look around this section:https://www.freedesktop.org/software/systemd/man/systemd.service.html#TimeoutStopSec=
You can set these parameters if you start cardano-node as a service, as described in the manual page above, with a Cardano example in the second part of this posting:
Here are some things I needed to do to feel comfortable taking my eyes off the stake pool node log files every once in a while, after the initial days of staring at them like that creepy guy in The Matrix:
Make browser bookmarks to general performance metrics for cloud resources for each node (like DigitalOcean droplet graphs, a bit simple minded but effective; or the AWS CloudWatch pages, not the detailed paid upgrade but just the free ones) to be sure RAM or CPU use isn’t clipping that the m…