I am testing luminous 12.2.2 and find a strange behavior of my cluster.
Check your block.db usage. Luminous 12.2.2 is affected
http://tracker.ceph.com/issues/22264
[root@ceph-osd0]# ceph daemon osd.46 perf dump | jq '.bluefs' | grep -E
'(db|slow)'
"db_total_bytes": 30064762880,
"db_used_bytes": 16777216,
"slow_total_bytes": 240043163648,
"slow_used_bytes": *659554304*,
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