Hey #sysadmin hivemind, say you need to keep contents of a directory synced between a dozen or so Linux servers.
Not a lot of data, say around 10GiB. Most of it won't change often, some of it will change a couple of times per hour. Connectivity between the nodes is somewhat slow.
You want metrics on what is the status of the synced directory and it's contents, preferably in a Prometheus-compatible format.
Bash scripts and rsync would work but… surely there's something already out there?
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Where do the changes come from? If that makes it possible for concurrent changes to affect same file, how do you want the system to behave then?
@robryk no, impossible for concurrent changes to affect a single file.