---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46258 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: 2800.000 BogoMIPS: 5600.00 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 1.7M 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/898a47b95c2749a62226de84d2ac885a71e4dff6203b4304622cdcd69c899ee1/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/786e09eb7398e27dd3432dd8bc714f090b1f7b0a716239a5769cf45e5fe254c6/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4a848bdd1fb94cc31d2107ddc011929b3397f9aca775fbf323b1618b44f1ba0f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1e2996245c27f87a964da5f8c2f937bef2b96162f0b991a75ae5298c885ce4f2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b5676392fc827b70bb5678f9c6b4c8f8b913bcdb9c2bafc7625532bbed2dd6de/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1526 24393 1 6247 30184 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:62:5c:da brd ff:ff:ff:ff:ff:ff inet 10.30.106.253/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85958sec preferred_lft 85958sec inet6 fe80::f816:3eff:fe62:5cda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:0a:58:b8 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:b0ff:fe0a:58b8/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether b6:7d:c6:d8:4b:e0 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::b47d:c6ff:fed8:4be0/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 52:83:f6:26:92:18 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::5083:f6ff:fe26:9218/64 scope link valid_lft forever preferred_lft forever 6: vethcabcf3f9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3a:e3:16:6e:f8:b9 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::38e3:16ff:fe6e:f8b9/64 scope link valid_lft forever preferred_lft forever 7: veth9e95f7f7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b6:75:07:3e:1a:2c brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::b475:7ff:fe3e:1a2c/64 scope link valid_lft forever preferred_lft forever 10: veth61aede8f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 72:25:78:5a:5d:62 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::7025:78ff:fe5a:5d62/64 scope link valid_lft forever preferred_lft forever 13: veth4308d06a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e6:62:8c:92:0b:2c brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::e462:8cff:fe92:b2c/64 scope link valid_lft forever preferred_lft forever 14: veth468a4484@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ba:12:9e:61:f8:29 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::b812:9eff:fe61:f829/64 scope link valid_lft forever preferred_lft forever 19: br-ade586d42f8a: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:c0:43:cb:59 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-ade586d42f8a valid_lft forever preferred_lft forever inet6 fe80::42:c0ff:fe43:cb59/64 scope link valid_lft forever preferred_lft forever 23: veth177ec12@if22: mtu 1500 qdisc noqueue master br-ade586d42f8a state UP group default link/ether 56:6e:5e:c0:48:0f brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::546e:5eff:fec0:480f/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-46258) 09/16/25 _x86_64_ (8 CPU) 14:35:00 LINUX RESTART (8 CPU) 14:36:01 tps rtps wtps bread/s bwrtn/s 14:37:01 560.36 42.64 517.71 2212.30 130135.78 14:38:01 70.49 0.02 70.47 0.13 70411.33 14:39:01 131.71 3.45 128.26 462.86 98327.61 14:40:01 60.46 0.07 60.40 8.93 48132.76 14:41:01 41.34 19.83 21.51 686.29 2130.44 14:42:01 96.65 0.70 95.95 92.25 10335.74 Average: 160.17 11.12 149.05 577.11 59911.95 14:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:37:01 26638768 30990836 6300452 19.13 124900 4325360 3704740 11.25 2217552 3510800 165740 14:38:01 25145968 30389488 7793252 23.66 130044 5176592 4021880 12.21 3227436 3951068 478016 14:39:01 26170500 31025212 6768720 20.55 133820 4913000 2689684 8.17 2307940 3955812 249232 14:40:01 25432376 30967708 7506844 22.79 134832 5567116 3067384 9.31 2370204 4600564 160 14:41:01 25268268 30898004 7670952 23.29 140476 5646996 3078472 9.35 2463856 4662532 53676 14:42:01 25011504 30931556 7927716 24.07 148232 5900208 3080604 9.35 2442256 4910188 125632 Average: 25611231 30867134 7327989 22.25 135384 5254879 3273794 9.94 2504874 4265161 178743 14:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:37:01 ens3 619.41 489.15 9689.68 43.62 0.00 0.00 0.00 0.00 14:37:01 veth9e95f7f7 2.77 3.77 0.83 1.67 0.00 0.00 0.00 0.00 14:37:01 lo 239.09 239.09 271.69 271.69 0.00 0.00 0.00 0.00 14:37:01 vethcabcf3f9 0.48 1.43 0.09 0.20 0.00 0.00 0.00 0.00 14:38:01 ens3 1.83 2.62 0.78 0.21 0.00 0.00 0.00 0.00 14:38:01 veth9e95f7f7 7.42 9.08 3.10 2.12 0.00 0.00 0.00 0.00 14:38:01 lo 22.20 22.20 11.36 11.36 0.00 0.00 0.00 0.00 14:38:01 vethcabcf3f9 0.15 0.33 0.01 0.03 0.00 0.00 0.00 0.00 14:39:01 ens3 218.68 183.65 3717.86 15.25 0.00 0.00 0.00 0.00 14:39:01 veth9e95f7f7 7.08 8.48 2.77 1.71 0.00 0.00 0.00 0.00 14:39:01 lo 15.00 15.00 4.36 4.36 0.00 0.00 0.00 0.00 14:39:01 vethcabcf3f9 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 14:40:01 br-ade586d42f8a 0.38 0.55 1.70 0.05 0.00 0.00 0.00 0.00 14:40:01 veth177ec12 0.38 0.62 1.70 0.05 0.00 0.00 0.00 0.00 14:40:01 ens3 90.25 78.26 1770.37 6.12 0.00 0.00 0.00 0.00 14:40:01 veth9e95f7f7 7.15 8.40 2.78 1.70 0.00 0.00 0.00 0.00 14:41:01 br-ade586d42f8a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 veth177ec12 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 ens3 19.45 16.65 231.89 4.04 0.00 0.00 0.00 0.00 14:41:01 veth9e95f7f7 7.25 8.33 2.78 1.70 0.00 0.00 0.00 0.00 14:42:01 br-ade586d42f8a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:42:01 veth177ec12 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 14:42:01 ens3 69.57 57.39 897.50 10.68 0.00 0.00 0.00 0.00 14:42:01 veth9e95f7f7 7.35 8.33 2.79 1.70 0.00 0.00 0.00 0.00 Average: br-ade586d42f8a 0.06 0.09 0.28 0.01 0.00 0.00 0.00 0.00 Average: veth177ec12 0.06 0.11 0.28 0.01 0.00 0.00 0.00 0.00 Average: ens3 169.86 137.95 2717.99 13.32 0.00 0.00 0.00 0.00 Average: veth9e95f7f7 6.50 7.73 2.51 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46258) 09/16/25 _x86_64_ (8 CPU) 14:35:00 LINUX RESTART (8 CPU) 14:36:01 CPU %user %nice %system %iowait %steal %idle 14:37:01 all 15.89 0.00 5.77 9.43 0.09 68.82 14:37:01 0 16.96 0.00 5.21 4.72 0.08 73.02 14:37:01 1 15.19 0.00 5.84 8.78 0.08 70.11 14:37:01 2 16.05 0.00 5.50 24.58 0.10 53.77 14:37:01 3 15.69 0.00 6.28 4.47 0.10 73.47 14:37:01 4 15.87 0.00 6.10 18.76 0.08 59.19 14:37:01 5 15.67 0.00 5.97 5.94 0.08 72.34 14:37:01 6 15.92 0.00 5.33 4.49 0.08 74.18 14:37:01 7 15.80 0.00 5.97 3.82 0.08 74.32 14:38:01 all 48.99 0.00 5.97 2.37 0.11 42.56 14:38:01 0 46.54 0.00 6.17 4.79 0.10 42.40 14:38:01 1 47.07 0.00 5.76 1.69 0.10 45.38 14:38:01 2 49.28 0.00 6.07 1.70 0.12 42.83 14:38:01 3 50.81 0.00 5.79 0.32 0.10 42.99 14:38:01 4 52.70 0.00 6.09 1.08 0.10 40.04 14:38:01 5 49.87 0.00 6.17 0.57 0.17 43.22 14:38:01 6 47.30 0.00 5.94 8.02 0.08 38.66 14:38:01 7 48.34 0.00 5.74 0.86 0.10 44.96 14:39:01 all 17.59 0.23 3.91 6.30 0.11 71.86 14:39:01 0 21.86 0.00 3.94 7.08 0.12 67.00 14:39:01 1 17.00 0.00 3.95 12.23 0.12 66.71 14:39:01 2 16.93 0.00 3.93 2.01 0.10 77.04 14:39:01 3 19.03 0.00 3.66 9.61 0.10 67.61 14:39:01 4 17.79 0.00 3.95 1.47 0.13 76.66 14:39:01 5 16.24 1.80 5.40 10.00 0.13 66.42 14:39:01 6 17.10 0.00 3.73 7.80 0.10 71.27 14:39:01 7 14.75 0.00 2.69 0.25 0.08 82.23 14:40:01 all 3.10 0.00 1.37 3.99 0.07 91.47 14:40:01 0 3.00 0.00 1.37 0.05 0.07 95.51 14:40:01 1 3.60 0.00 1.23 11.28 0.08 83.82 14:40:01 2 1.17 0.00 2.18 1.68 0.08 94.88 14:40:01 3 3.11 0.00 1.49 4.42 0.07 90.92 14:40:01 4 2.58 0.00 1.07 0.64 0.07 95.64 14:40:01 5 3.79 0.00 1.91 0.18 0.05 94.06 14:40:01 6 2.26 0.00 1.06 13.62 0.07 83.00 14:40:01 7 5.33 0.00 0.69 0.00 0.05 93.94 14:41:01 all 3.77 0.00 0.64 4.19 0.04 91.36 14:41:01 0 6.57 0.00 0.97 20.68 0.05 71.74 14:41:01 1 2.50 0.00 0.50 0.10 0.05 96.85 14:41:01 2 1.91 0.00 0.40 1.21 0.03 96.45 14:41:01 3 5.25 0.00 0.72 1.28 0.05 92.70 14:41:01 4 3.55 0.00 0.59 0.64 0.07 95.16 14:41:01 5 5.78 0.00 0.84 9.37 0.05 83.97 14:41:01 6 3.29 0.00 0.70 0.22 0.05 95.74 14:41:01 7 1.30 0.00 0.37 0.02 0.02 98.29 14:42:01 all 9.37 0.00 0.93 2.50 0.06 87.14 14:42:01 0 9.51 0.00 1.07 0.22 0.07 89.14 14:42:01 1 15.30 0.00 1.24 2.88 0.07 80.51 14:42:01 2 10.61 0.00 1.32 2.56 0.07 85.44 14:42:01 3 2.27 0.00 0.57 1.41 0.05 95.69 14:42:01 4 11.71 0.00 1.00 0.78 0.05 86.46 14:42:01 5 13.62 0.00 0.95 11.45 0.07 73.91 14:42:01 6 7.89 0.00 0.67 0.17 0.03 91.24 14:42:01 7 3.98 0.00 0.64 0.49 0.03 94.86 Average: all 16.43 0.04 3.09 4.79 0.08 75.57 Average: 0 17.37 0.00 3.12 6.26 0.08 73.18 Average: 1 16.75 0.00 3.08 6.14 0.08 73.94 Average: 2 15.97 0.00 3.23 5.59 0.08 75.13 Average: 3 16.03 0.00 3.08 3.58 0.08 77.23 Average: 4 17.37 0.00 3.13 3.88 0.08 75.53 Average: 5 17.48 0.30 3.53 6.26 0.09 72.34 Average: 6 15.60 0.00 2.90 5.71 0.07 75.73 Average: 7 14.89 0.00 2.67 0.90 0.06 81.47