from https://github.com/syuilo/misskey/issues/3409 BusyBox's "free" can't separate columns on 16GB RAM machine. it should enlarge column width if total memory gt 16GB,128GB, or more. https://user-images.githubusercontent.com/37681609/49020073-f0ca0e00-f1d2-11e8-9b95-e0c85637662a.png https://user-images.githubusercontent.com/37681609/49019768-0db21180-f1d2-11e8-96f3-70efbbb5b318.png
Fixed in git, thanks!