Description of problem: Although RHCS 4 does not support filestore anymore , filestore related metrics documented at the below section of the Ceph Administration guide, but there is no documented bluestore related metrics . https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/4/html/administration_guide/ceph-performance-counters#ceph-osd-metrics_admin Version-Release number of selected component (if applicable): RHCS 4