My disklatencytest showed a longish (14 secs) NFS file system directoty/stat lookup again today on a desktop:
2021-10-04T05:26:19
0.069486 0.069486 0.000570 /home/...
2021-10-04T05:28:19 0.269743 0.538000 0.001019
/home/...
2021-10-04T09:48:00 1.492158 0.003314 0.000907
/home/...
2021-10-04T09:49:02 2.581025 0.159358 0.000836
/home/...
2021-10-04T09:50:44 2.657260 0.076560 0.027128
/home/...
2021-10-04T09:51:30 14.889837 14.889837 0.022132
/home/...
A disklatencytest running on the server shows no long latency today so far.
The sar -d on the server around this time is:
10:49:00 dev8-0
20.14 152.57 246.05 0.00
19.80 0.51 21.48 9.81
10:49:00 dev8-32 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:49:00 dev8-16
39.36 1277.08 246.51 0.00
38.71 0.52 11.03 13.06
10:49:00 dev8-48 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:49:00 dev252-0
2.35 0.00
9.39 0.00
4.00 0.00
0.00
0.02
10:50:00 dev8-0
8.38 134.51 80.09 0.00
25.60 0.14 8.90 6.89
10:50:00 dev8-32 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:50:00 dev8-16
14.08 286.15 80.09 0.00
26.01 0.16 6.53 7.35
10:50:00 dev8-48 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:50:00 dev252-0
0.80 0.00
3.20 0.00
4.00 0.00
0.00
0.01
10:51:00 dev8-0
7.99 75.65 110.65 0.00
23.31 0.26 23.22 7.33
10:51:00 dev8-32 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:51:00 dev8-16
44.98 1704.41 110.65 0.00
40.35 0.30 5.00 12.43
10:51:00 dev8-48 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:51:00 dev252-0
3.86 0.00
15.45 0.00
4.00 0.00
0.01 0.03
10:52:00 dev8-0
21.20 265.73 415.69 0.00
32.15 0.42 16.08 8.64
10:52:00 dev8-32 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:52:00 dev8-16
56.56 1603.80 415.69 0.00
35.71 0.45 6.62 12.77
10:52:00 dev8-48 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:52:00 dev252-0
5.23 0.00
20.91 0.00
4.00 0.00
0.02 0.02
10:53:00 dev8-0
12.94 265.40 94.51 0.00
27.82 0.25 14.24 7.29
10:53:00 dev8-32 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:53:00 dev8-16
46.35 1747.85 94.51 0.00
39.75 0.32 5.27 11.99
10:53:00 dev8-48 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00
10:53:00 dev252-0
3.60 0.00
14.39 0.00
4.00 0.00
0.01 0.02
and iostats in next email
So nothing obvious on the
disks of the server. I am pretty sure this is an NFS issue ...
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