Move some of the excess device inventory labels to an "info" metric. This reduces query output noise and indexing overhead. These labels can still be used for filtering with a `group_left` query. Signed-off-by: Ben Kochie <superq@gmail.com>
Typically we like to use ratio in Prometheus rather than percent as it is easier to do math with. Signed-off-by: Ben Kochie <superq@gmail.com>