---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46414 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-7 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 1.8M 3.2G 1% /run /dev/vda1 155G 14G 142G 9% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 3.2G 0 3.2G 0% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3d005e484d18ca17be362c21a9631b519777d6c3522cea01e182ec38c5533698/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ea2b6e79671470a6a62440d7f04e83646ff9e01722f952c57554d4462d82eacf/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/123d848da30b3505ab3aefaac0d2ce5ee56195e5adbed20335ca8e731ea86cd0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a4d77bdc54f138959927a4f0165304b356b76cff03325cbe5f54b751882be052/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/31ff95cc7ab714354db3d740908c1ca979d205f9f26db7ad07de95268f8d7b16/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1514 24588 1 6064 30195 Swap: 0 0 0 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:6c:8e:be brd ff:ff:ff:ff:ff:ff inet 10.30.107.72/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85970sec preferred_lft 85970sec inet6 fe80::f816:3eff:fe6c:8ebe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a7:91:e6:a8 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:a7ff:fe91:e6a8/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 7e:f6:2e:70:8a:b6 brd ff:ff:ff:ff:ff:ff inet 10.42.0.0/32 scope global flannel.1 valid_lft forever preferred_lft forever inet6 fe80::7cf6:2eff:fe70:8ab6/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 5a:fa:8a:09:63:06 brd ff:ff:ff:ff:ff:ff inet 10.42.0.1/24 brd 10.42.0.255 scope global cni0 valid_lft forever preferred_lft forever inet6 fe80::58fa:8aff:fe09:6306/64 scope link valid_lft forever preferred_lft forever 6: vethc2d188ef@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:4d:8a:4f:5e:07 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::fc4d:8aff:fe4f:5e07/64 scope link valid_lft forever preferred_lft forever 8: vethbdd5b650@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:1a:42:fe:76:39 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7c1a:42ff:fefe:7639/64 scope link valid_lft forever preferred_lft forever 10: veth80afc0ff@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:bd:ec:f4:e4:0b brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::7cbd:ecff:fef4:e40b/64 scope link valid_lft forever preferred_lft forever 13: veth05a04305@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8a:f8:d7:01:c8:a5 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::88f8:d7ff:fe01:c8a5/64 scope link valid_lft forever preferred_lft forever 14: vethaf3a86e9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2e:0e:9b:36:c6:55 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::2c0e:9bff:fe36:c655/64 scope link valid_lft forever preferred_lft forever 19: br-af06e10fb480: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:f1:c4:7c:58 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-af06e10fb480 valid_lft forever preferred_lft forever inet6 fe80::42:f1ff:fec4:7c58/64 scope link valid_lft forever preferred_lft forever 23: veth4521918@if22: mtu 1500 qdisc noqueue master br-af06e10fb480 state UP group default link/ether 5e:29:8a:e5:92:c1 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::5c29:8aff:fee5:92c1/64 scope link valid_lft forever preferred_lft forever 25: veth5ff751f@if24: mtu 1500 qdisc noqueue master br-af06e10fb480 state UP group default link/ether 0e:6d:e1:c7:8f:2f brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c6d:e1ff:fec7:8f2f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46414) 09/17/25 _x86_64_ (8 CPU) 08:10:50 LINUX RESTART (8 CPU) 08:11:01 tps rtps wtps bread/s bwrtn/s 08:12:01 394.15 94.47 299.68 6175.10 88363.81 08:13:01 400.97 42.44 358.52 2324.01 86977.10 08:14:01 172.14 0.02 172.12 0.13 70381.74 08:15:01 200.13 3.72 196.42 514.05 111049.49 08:16:01 22.36 0.00 22.36 0.00 25671.19 08:17:01 79.09 20.01 59.07 712.55 29457.09 Average: 211.47 26.78 184.70 1620.97 68650.07 08:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:12:01 29720476 31588980 3218744 9.77 45808 2136512 1546416 4.69 1224288 1703260 560 08:13:01 26282656 30808528 6656564 20.21 128320 4476108 3721752 11.30 2437680 3633912 719116 08:14:01 25318708 30809752 7620512 23.14 132860 5417168 3684900 11.19 2924676 4065900 718156 08:15:01 25723940 30963264 7215280 21.90 138696 5264680 3802840 11.55 2373656 4297896 836 08:16:01 25612956 30956572 7326264 22.24 138912 5367768 3737544 11.35 2501052 4280444 276 08:17:01 25269344 30856544 7669876 23.28 149392 5579836 3662148 11.12 2647248 4456544 151980 Average: 26321347 30997273 6617873 20.09 122331 4707012 3359267 10.20 2351433 3739659 265154 08:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 ens3 384.17 279.34 2570.31 74.57 0.00 0.00 0.00 0.00 08:12:01 lo 7.85 7.85 2.27 2.27 0.00 0.00 0.00 0.00 08:13:01 veth05a04305 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:13:01 vethbdd5b650 2.10 3.07 0.22 0.64 0.00 0.00 0.00 0.00 08:13:01 veth80afc0ff 4.97 6.50 1.98 2.58 0.00 0.00 0.00 0.00 08:13:01 docker0 128.91 132.43 10.36 1248.99 0.00 0.00 0.00 0.00 08:14:01 veth05a04305 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:14:01 vethbdd5b650 2.82 3.23 0.26 0.28 0.00 0.00 0.00 0.00 08:14:01 veth80afc0ff 6.60 8.17 2.61 1.71 0.00 0.00 0.00 0.00 08:14:01 docker0 0.48 0.62 0.04 0.65 0.00 0.00 0.00 0.00 08:15:01 veth05a04305 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:15:01 vethbdd5b650 3.05 3.30 0.28 0.29 0.00 0.00 0.00 0.00 08:15:01 veth4521918 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 08:15:01 br-af06e10fb480 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:16:01 veth05a04305 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 vethbdd5b650 3.03 3.25 0.28 0.28 0.00 0.00 0.00 0.00 08:16:01 veth4521918 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:16:01 br-af06e10fb480 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 veth05a04305 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 vethbdd5b650 3.08 3.35 0.28 0.29 0.00 0.00 0.00 0.00 08:17:01 veth4521918 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 br-af06e10fb480 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth05a04305 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethbdd5b650 2.35 2.70 0.22 0.30 0.00 0.00 0.00 0.00 Average: veth4521918 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: br-af06e10fb480 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46414) 09/17/25 _x86_64_ (8 CPU) 08:10:50 LINUX RESTART (8 CPU) 08:11:01 CPU %user %nice %system %iowait %steal %idle 08:12:01 all 7.22 0.63 1.85 4.36 0.05 85.89 08:12:01 0 5.51 0.00 1.30 0.79 0.03 92.37 08:12:01 1 12.51 0.00 1.64 5.26 0.07 80.52 08:12:01 2 8.83 0.00 1.39 2.16 0.05 87.58 08:12:01 3 6.58 1.63 1.90 19.48 0.07 70.35 08:12:01 4 5.07 3.37 1.42 0.18 0.03 89.92 08:12:01 5 7.03 0.00 4.04 4.34 0.05 84.53 08:12:01 6 6.17 0.03 1.55 0.55 0.05 91.64 08:12:01 7 6.08 0.00 1.53 2.20 0.05 90.14 08:13:01 all 18.36 0.00 5.34 11.77 0.11 64.43 08:13:01 0 18.24 0.00 5.88 18.78 0.12 56.98 08:13:01 1 19.39 0.00 5.35 19.35 0.12 55.79 08:13:01 2 19.06 0.00 6.05 5.49 0.08 69.32 08:13:01 3 18.32 0.00 5.25 4.01 0.10 72.31 08:13:01 4 16.80 0.00 5.22 10.89 0.12 66.98 08:13:01 5 17.32 0.00 5.01 17.25 0.10 60.32 08:13:01 6 18.61 0.00 4.83 8.52 0.08 67.95 08:13:01 7 19.12 0.00 5.13 9.85 0.12 65.78 08:14:01 all 47.98 0.00 5.82 3.82 0.12 42.25 08:14:01 0 44.81 0.00 5.78 5.07 0.12 44.23 08:14:01 1 49.32 0.00 5.87 6.29 0.14 38.38 08:14:01 2 45.91 0.00 5.19 0.07 0.12 48.72 08:14:01 3 50.24 0.00 6.42 8.11 0.14 35.11 08:14:01 4 47.84 0.00 5.46 0.00 0.12 46.58 08:14:01 5 49.86 0.00 5.89 1.00 0.12 43.14 08:14:01 6 50.96 0.00 6.40 8.91 0.12 33.60 08:14:01 7 44.94 0.00 5.59 1.10 0.12 48.26 08:15:01 all 10.29 0.23 3.44 4.96 0.09 81.00 08:15:01 0 8.52 0.08 3.36 2.08 0.07 85.89 08:15:01 1 12.42 0.02 3.06 6.11 0.08 78.31 08:15:01 2 5.69 0.00 3.53 19.55 0.10 71.13 08:15:01 3 13.49 0.00 3.52 9.64 0.08 73.26 08:15:01 4 10.21 0.35 3.20 0.93 0.08 85.22 08:15:01 5 9.96 0.00 3.23 1.09 0.10 85.62 08:15:01 6 10.44 0.00 3.53 0.22 0.08 85.72 08:15:01 7 11.62 1.33 4.07 0.12 0.10 82.76 08:16:01 all 0.91 0.00 0.43 0.98 0.06 97.62 08:16:01 0 0.74 0.00 0.54 0.00 0.08 98.65 08:16:01 1 2.01 0.00 0.72 0.37 0.05 96.86 08:16:01 2 0.45 0.00 0.17 3.37 0.03 95.98 08:16:01 3 0.52 0.00 0.38 0.00 0.05 99.05 08:16:01 4 1.18 0.00 0.42 3.76 0.08 94.56 08:16:01 5 1.39 0.00 0.50 0.00 0.05 98.06 08:16:01 6 0.47 0.00 0.47 0.10 0.07 98.90 08:16:01 7 0.54 0.00 0.25 0.22 0.05 98.95 08:17:01 all 5.43 0.00 0.71 1.58 0.05 92.23 08:17:01 0 4.69 0.00 0.88 0.95 0.07 93.40 08:17:01 1 7.95 0.00 1.07 0.87 0.05 90.06 08:17:01 2 3.63 0.00 0.48 8.42 0.05 87.42 08:17:01 3 6.05 0.00 0.87 0.33 0.07 92.68 08:17:01 4 1.66 0.00 0.32 0.47 0.03 97.51 08:17:01 5 1.07 0.00 0.59 0.80 0.07 97.47 08:17:01 6 14.25 0.00 0.95 0.58 0.07 84.14 08:17:01 7 4.08 0.00 0.52 0.23 0.03 95.13 Average: all 14.98 0.14 2.92 4.56 0.08 77.31 Average: 0 13.71 0.01 2.94 4.58 0.08 78.67 Average: 1 17.21 0.00 2.94 6.35 0.08 73.41 Average: 2 13.85 0.00 2.79 6.50 0.07 76.78 Average: 3 15.81 0.27 3.05 6.92 0.08 73.87 Average: 4 13.75 0.62 2.67 2.70 0.08 80.18 Average: 5 14.36 0.00 3.20 4.05 0.08 78.30 Average: 6 16.77 0.01 2.95 3.13 0.08 77.06 Average: 7 14.35 0.22 2.84 2.28 0.08 80.24