carbon: use metrics in seconds (because that's what the decorator does)
carbon: use metrics in seconds (because that's what the decorator does)

Thib17/biggraphite,iksaif/biggraphite,criteo/biggraphite,Thib17/biggraphite,Thib17/biggraphite,criteo/biggraphite,iksaif/biggraphite,dpanth3r/biggraphite,criteo/biggraphite,iksaif/biggraphite,Thib17/biggraphite,criteo/biggraphite,iksaif/biggraphite