I added a while back 'free' output to 'armbianmonitor' and 'armhwinfo' to get some monitoring data from real-world installations about swap usage. Armbian uses an emergency swap file of 128MB by default (vm.swappiness=0) which means swapping should be avoided unless really needed. Let's have a look and extract data from +50 support URLs collected within the last months.   I piped the output of https://pastebin.com/raw/DjxAX6Rn through  while read ; do curl -q "${REPLY}" | grep '^Sw