carbon: re-create the metrics if it misses from any backend (#115)
carbon: re-create the metrics if it misses from any backend (#115)


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