we have a cluster with very low load, however, "ceph osd perf" shows high
commit_latency and apply_latency.
root@stor-mgt01:~# ceph -s
cluster:
id:
3d1ec789-829d-4e0f-b707-9363356a68f1
health: HEALTH_WARN
application
not enabled on 3 pool(s)
services:
mon: 3 daemons, quorum a,b,c
mgr: a(active)
mds: rook-ceph-filesystem-1/1/1 up
{0=rook-ceph-filesystem-a=up:active}, 1 up:standby-replay
osd: 55 osds: 55 up, 55 in
rgw: 3 daemons active
data:
pools: 18 pools, 3328 pgs
objects: 1.06M objects, 1.37TiB
usage: 4.18TiB used, 141TiB / 145TiB avail
pgs: 3328 active+clean
io:
client: 46.2KiB/s rd, 2.58MiB/s wr, 197op/s rd,
273op/s wr
----------------------------------------------------------------------------------------
osd commit_latency(ms) apply_latency(ms)
54
0
0
53
0
0
52
0
0
51
0
0
50
0
0
49
11
11
48
9
9
47
3
3
46
39
39
21
28
28
20
26
26
19
28
28
18
1
1
17
17
17
16
6
6
15
11
11
14
9
9
13
8
8
12
12
12
11
14
14
10
21
21
0
10
10
1
12
12
2
30
30
3
3
3
4
3
3
5
23
23
6
56
56
7
2
2
8
36
36
9
5
5
22
26
26
23
3
3
24
2
2
25
3
3
26
19
19
27
3
3
28
4
4
29
8
8
30
16
16
31
21
21
32
13
13
33
7
7
34
10
10
35
12
12
36
5
5
37
5
5
38
4
4
39
29
29
40
26
26
41
35
35
42
5
5
43
4
4
44
8
8
45
6
6
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