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In Filesystems page, currently we use mds.inodes counter for Dentries, which is not aligned to output of ceph fs status command (which use mds_mem.dn).

e.g.

versus

bin/ceph fs status
*** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH ***
2019-05-31T09:38:50.907+0000 7fea16bf6700 -1 WARNING: all dangerous and experimental features are enabled.
2019-05-31T09:38:50.919+0000 7fea16bf6700 -1 WARNING: all dangerous and experimental features are enabled.
a - 1 clients
=
+------+--------+-----+---------------+-------+-------+
| Rank | State  | MDS |    Activity   |  dns  |  inos |
+------+--------+-----+---------------+-------+-------+
|  0   | active |  a  | Reqs:    0 /s |   12  |   14  |
+------+--------+-----+---------------+-------+-------+
+---------------+----------+-------+-------+
|      Pool     |   type   |  used | avail |
+---------------+----------+-------+-------+
| cephfs.a.meta | metadata |  248M | 9015M |
| cephfs.a.data |   data   |    0  | 9015M |
+---------------+----------+-------+-------+
+-------------+
| Standby MDS |
+-------------+
|      b      |
|      c      |
+-------------+
MDS version: ceph version Development (no_version) octopus (dev)

For dns (Dentries), CLI command switched from using mds.inodes to mds_mem.dn in this change , which suggests that mds_mem.dn is more clear and accurate than mds.inodes.

Also in MDS's counter chart on detail tab, currently counter mds.inodes are displayed. Which also inconsistent with inodes column in Ranks table (display mds_mem.ino counter).