I have just verified bionic on an OSD with 20x10G disks with minimal load. ceph-osd 12.2.12-0ubuntu0.18.04.3 $ time ceph-volume lvm list ... real 0m21.900s
12.2.12-0ubuntu0.18.04.4 $ time ceph-volume lvm list ... real 0m2.580s
I have just verified bionic on an OSD with 20x10G disks with minimal load. 0ubuntu0. 18.04.3
ceph-osd 12.2.12-
$ time ceph-volume lvm list
...
real 0m21.900s
12.2.12- 0ubuntu0. 18.04.4
$ time ceph-volume lvm list
...
real 0m2.580s