45 second event happened at: 2021-10-02T11:51:02 UTC. Not sure what sar time is based on (maybe local time BST rather than UTC so would be 2021-10-02T12:51:02 BST.
"sar -d" on the server:
11:50:02 dev8-0 4.67 0.01 46.62 0.00 9.99 0.12 14.03 5.75 11:50:02 dev8-32 0.01 0.00 0.00 0.00 0.25 0.00 1.62 0.00 11:50:02 dev8-16 4.85 5.46 46.62 0.00 10.74 0.13 14.25 5.92 11:50:02 dev8-48 0.01 0.00 0.00 0.00 0.25 0.00 1.75 0.00 11:50:02 dev252-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:02 dev8-0 5.61 0.06 99.39 0.00 17.74 0.15 15.41 6.17 12:00:02 dev8-32 0.01 0.00 0.00 0.00 0.30 0.00 1.60 0.00 12:00:02 dev8-16 5.76 4.48 99.39 0.00 18.03 0.14 14.77 6.26 12:00:02 dev8-48 0.01 0.00 0.00 0.00 0.30 0.00 1.60 0.00 12:00:02 dev252-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:02 dev8-0 11.41 0.07 139.77 0.00 12.25 0.20 12.15 6.26 12:10:02 dev8-32 0.04 0.02 0.00 0.00 0.37 0.00 1.12 0.01 12:10:02 dev8-16 11.69 3.72 139.77 0.00 12.28 0.19 10.74 6.50 12:10:02 dev8-48 0.04 0.02 0.00 0.00 0.37 0.00 1.12 0.01 12:10:02 dev252-0 0.12 0.00 0.47 0.00 4.00 0.00 0.00 0.00 12:20:02 dev8-0 8.69 0.51 84.42 0.00 9.77 0.18 14.21 6.15 12:20:02 dev8-32 0.01 0.00 0.00 0.00 0.25 0.00 1.62 0.00 12:20:02 dev8-16 8.94 5.27 84.42 0.00 10.04 0.15 10.27 6.33 12:20:02 dev8-48 0.01 0.00 0.00 0.00 0.25 0.00 1.62 0.00 12:20:02 dev252-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 dev8-0 5.44 0.08 95.99 0.00 17.65 0.13 13.68 5.91 12:30:02 dev8-32 0.01 0.00 0.00 0.00 0.30 0.00 1.80 0.00 12:30:02 dev8-16 5.60 5.17 95.99 0.00 18.05 0.14 13.75 6.17 12:30:02 dev8-48 0.01 0.00 0.00 0.00 0.30 0.00 1.80 0.00 12:30:02 dev252-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:02 dev8-0 4.62 0.04 88.43 0.00 19.14 0.12 13.70 5.48 12:40:02 dev8-32 0.01 0.00 0.00 0.00 0.30 0.00 1.60 0.00 12:40:02 dev8-16 4.73 4.15 88.43 0.00 19.57 0.12 14.01 5.70 12:40:02 dev8-48 0.01 0.00 0.00 0.00 0.30 0.00 1.60 0.00 12:40:02 dev252-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:02 dev8-0 8.25 3.26 213.70 0.00 26.29 0.22 17.96 7.47 12:50:02 dev8-32 0.01 0.00 0.00 0.00 0.25 0.00 1.62 0.00 12:50:02 dev8-16 8.50 8.12 213.70 0.00 26.09 0.24 19.29 7.63 12:50:02 dev8-48 0.01 0.00 0.00 0.00 0.25 0.00 1.75 0.00 12:50:02 dev252-0 0.44 0.00 1.78 0.00 4.00 0.00 0.01 0.00 13:00:00 dev8-0 10.36 0.09 200.16 0.00 19.33 0.23 15.19 7.59 13:00:00 dev8-32 0.01 0.00 0.00 0.00 0.30 0.00 1.80 0.00 13:00:00 dev8-16 10.72 3.70 200.16 0.00 19.02 0.23 14.65 7.72 13:00:00 dev8-48 0.01 0.00 0.00 0.00 0.30 0.00 1.60 0.00 13:00:00 dev252-0 0.09 0.00 0.36 0.00 4.00 0.00 0.02 0.00
Other bits in next email ...
Terry