Just more anecdotes: I accidentally filled up a 2tb btrfs filesystem on ssd with a buggy backup script. I deleted the stuff that shouldn't be there, ran a few r

Just more anecdotes: I accidentally filled up a 2tb btrfs filesystem on ssd with a buggy backup script. I deleted the stuff that shouldn't be there, ran a few recommended incantations, and was back to normal in about ten minutes. It was much less of a big deal than I expected based on what I'd read.