After upgrading a number of OSD's to Bluestore I have noticed that the cache tier OSD's which have so far been upgraded are no longer logging tier_* stats "tier_promote": 0, "tier_flush": 0, "tier_flush_fail": 0, "tier_try_flush": 0, "tier_try_flush_fail": 0, "tier_evict": 0, "tier_whiteout": 0, "tier_dirty": 0, "tier_clean": 0, "tier_delay": 0, "tier_proxy_read": 0, "tier_proxy_write": 0, "osd_tier_flush_lat": { "osd_tier_promote_lat": { "osd_tier_r_lat": { Example from Filestore OSD (both are running 12.2.8) "tier_promote": 265140, "tier_flush": 0, "tier_flush_fail": 0, "tier_try_flush": 88942, "tier_try_flush_fail": 0, "tier_evict": 264773, "tier_whiteout": 35, "tier_dirty": 89314, "tier_clean": 89207, "tier_delay": 0, "tier_proxy_read": 1446068, "tier_proxy_write": 10957517, "osd_tier_flush_lat": { "osd_tier_promote_lat": { "osd_tier_r_lat": { "New Issue" button on tracker seems to cause a 500 error btw Nick _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com