Guide to reading/interpreting logs for rclone cache (and mergerfs) mount?

I used @Animosity022 recommended settings for PleX post as a rough guide to configure my setup. I have a Whatbox slot, and have a rclone cache (Google Drive) and mergerfs mount installed to host my PleX library. I occasionally have issues with slow load speeds or buffering, and am trying to figure out how to read/interpret the logs for my rclone cache mount. There's so much data in there, and I really have no idea what 99% of it means. Is there an easy to read guide available anywhere talking about what various things mean, and what I should be seeing in these logs when various things are happening (scanning library, playback, etc...) vs. what might be indicating there's a problem somewhere?