Bug #36399: mgr/status: fix fs status subcommand did not show standby-replay MDS' perf info - mgr - Ceph

Actions

Copy link

Bug #36399

closed

mgr/status: fix fs status subcommand did not show standby-replay MDS' perf info

Added by Zhi Zhang over 5 years ago. Updated over 5 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Zhi Zhang

Category:

ceph-mgr

Target version:

Ceph - v14.0.0

% Done:

Source:

Community (dev)

Tags:

Backport:

mimic,luminous

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

ceph-qa-suite:

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

For standby-replay MDS, mgr fs status didn't show its activity, dns and inos perf info.

[ceph@xxx ~]$ ceph tell mgr fs status
cephfs - 2 clients
======
+------+----------------+--------+---------------+-------+-------+
| Rank |     State      |  MDS   |    Activity   |  dns  |  inos |
+------+----------------+--------+---------------+-------+-------+
|  0   |     active     |  xxxx  | Reqs:  190 /s | 32.9k | 28.5k |
| 0-s  | standby-replay | xxxx_1 | Evts:    0 /s |    0  |    0  |
+------+----------------+--------+---------------+-------+-------+
+-----------------+----------+-------+-------+
|       Pool      |   type   |  used | avail |
+-----------------+----------+-------+-------+
| cephfs_metadata | metadata |  408M | 8293G |
|   cephfs_data   |   data   | 11.2M | 8293G |
+-----------------+----------+-------+-------+
...

The reasons are below:
1. Mgr used mds_log.replay, but it should be mds_log.replayed.
2. MDS l_mdl_replayed perf counter didn't use PRIO_INTERESTING, so mgr couldn't get this counter.
3. Standby-replay MDS didn't update any dns/ino related perf counter in any place.

Related issues 2 (0 open — 2 closed)