---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6589 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 15G 141G 10% / 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/410d325f8f2af7b1609b36197c9f7a13e2a8c1422c8fcb125970c6d96697b1ba/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a13b0e58dee80df89a654f445b198f3359a50a1ba9ddbc6b390f9635a51bd3b4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5386726ee8d1ff487590f118dc13f1418a1af95694c352f100489adc89ef3fd8/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a0dbc08d39c4228e589d6fae15383ce694f37f5ebf3951b1154611e6eea0ffd4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3d800c82491543ebe3f4d16a580da8f773bbdc335855e22881e46adb6ac46090/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1493 24249 1 6424 30217 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:cb:2e:9a brd ff:ff:ff:ff:ff:ff inet 10.30.107.97/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fecb:2e9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:17:29:cf 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::42:5aff:fe17:29cf/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 96:4f:9d:e9:85:db 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::944f:9dff:fee9:85db/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 86:de:bd:a5:c2:c4 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::7c7e:b9ff:febc:e072/64 scope link valid_lft forever preferred_lft forever 7: vethbcf8e004@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9a:90:69:33:1f:03 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::9890:69ff:fe33:1f03/64 scope link valid_lft forever preferred_lft forever 8: veth2566f87a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:75:ab:c8:43:06 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e075:abff:fec8:4306/64 scope link valid_lft forever preferred_lft forever 10: veth42de59f8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ba:4c:c5:db:f9:ad brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::b84c:c5ff:fedb:f9ad/64 scope link valid_lft forever preferred_lft forever 13: vethf0e0cfef@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:32:6c:02:af:0b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::c32:6cff:fe02:af0b/64 scope link valid_lft forever preferred_lft forever 14: vethe89cc3b9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:33:9c:f0:4f:5f brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5833:9cff:fef0:4f5f/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-6589) 10/30/26 _x86_64_ (8 CPU) 14:05:41 LINUX RESTART (8 CPU) 14:06:02 tps rtps wtps bread/s bwrtn/s 14:07:01 595.48 129.83 465.65 7469.38 183131.40 14:08:01 194.88 0.55 194.33 4.40 93213.26 14:09:01 84.52 3.17 81.36 424.13 76632.72 14:10:01 171.57 20.41 151.16 791.47 72479.52 14:11:01 120.16 0.77 119.40 79.19 11302.38 Average: 232.11 30.61 201.49 1734.55 87031.23 14:06:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:07:01 27630128 31136044 5309084 16.12 86544 3651252 2676276 8.12 1865604 2989220 19696 14:08:01 25140972 30962432 7798240 23.67 125444 5755484 2946260 8.94 2947168 4213980 1179568 14:09:01 26881868 31102444 6057344 18.39 127364 4293328 2660668 8.08 2127604 3439516 150780 14:10:01 25344772 30991620 7594440 23.06 137536 5651896 3382444 10.27 2442164 4592488 35764 14:11:01 24873592 30974288 8065620 24.49 146476 6051952 3398728 10.32 2478256 4979356 224556 Average: 25974266 31033366 6964946 21.14 124673 5080782 3012875 9.15 2372159 4042912 322073 14:06:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:07:01 docker0 20.32 30.77 1.45 130.10 0.00 0.00 0.00 0.00 14:07:01 cni0 26.22 25.66 18.52 90.56 0.00 0.00 0.64 0.00 14:07:01 vethb8d62b0 20.32 30.83 1.73 130.11 0.00 0.00 0.00 0.01 14:07:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:08:01 docker0 159.04 246.19 11.86 1375.76 0.00 0.00 0.00 0.00 14:08:01 cni0 16.08 16.23 3.62 3.80 0.00 0.00 0.30 0.00 14:08:01 vethb8d62b0 159.04 246.29 14.03 1375.77 0.00 0.00 0.00 0.11 14:08:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:09:01 docker0 0.67 0.63 0.07 0.46 0.00 0.00 0.00 0.00 14:09:01 cni0 11.78 13.13 2.39 1.47 0.00 0.00 0.07 0.00 14:09:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:09:01 ens3 1187.60 710.53 12316.60 113.04 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 14:10:01 cni0 12.53 13.70 2.44 1.91 0.00 0.00 0.15 0.00 14:10:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 ens3 385.95 207.27 6070.09 19.36 0.00 0.00 0.00 0.00 14:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:11:01 cni0 11.86 13.18 2.39 1.55 0.00 0.00 0.03 0.00 14:11:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:11:01 ens3 114.03 76.30 1493.31 11.53 0.00 0.00 0.00 0.00 Average: docker0 36.06 55.61 2.68 301.83 0.00 0.00 0.00 0.00 Average: cni0 15.66 16.35 5.83 19.62 0.00 0.00 0.24 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 333.35 197.90 3975.47 28.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6589) 10/30/26 _x86_64_ (8 CPU) 14:05:41 LINUX RESTART (8 CPU) 14:06:02 CPU %user %nice %system %iowait %steal %idle 14:07:01 all 15.69 0.57 4.92 4.72 0.02 74.08 14:07:01 0 14.26 3.06 5.72 4.29 0.02 72.65 14:07:01 1 13.13 0.00 4.70 5.95 0.00 76.21 14:07:01 2 13.49 0.00 4.39 1.80 0.02 80.30 14:07:01 3 17.34 0.00 4.16 7.70 0.02 70.79 14:07:01 4 20.46 0.00 5.10 2.76 0.02 71.66 14:07:01 5 17.93 0.00 4.48 1.05 0.02 76.53 14:07:01 6 17.61 1.44 5.77 8.27 0.02 66.88 14:07:01 7 11.29 0.00 5.06 5.95 0.03 77.66 14:08:01 all 47.12 0.00 6.49 1.62 0.03 44.75 14:08:01 0 47.86 0.00 6.35 2.74 0.03 43.02 14:08:01 1 49.09 0.00 7.01 1.47 0.03 42.40 14:08:01 2 46.17 0.00 6.30 0.08 0.03 47.42 14:08:01 3 47.67 0.00 6.32 0.34 0.03 45.65 14:08:01 4 47.54 0.00 6.45 2.14 0.05 43.82 14:08:01 5 45.68 0.00 6.34 2.56 0.03 45.39 14:08:01 6 46.15 0.00 6.62 3.48 0.02 43.73 14:08:01 7 46.84 0.00 6.40 0.10 0.03 46.63 14:09:01 all 41.60 0.03 7.45 0.94 0.03 49.96 14:09:01 0 40.61 0.00 7.27 0.00 0.02 52.10 14:09:01 1 38.96 0.00 7.43 0.87 0.02 52.72 14:09:01 2 43.23 0.00 7.42 0.05 0.02 49.28 14:09:01 3 40.35 0.22 7.08 3.39 0.05 48.92 14:09:01 4 40.75 0.00 6.92 0.32 0.03 51.98 14:09:01 5 42.71 0.00 7.05 0.85 0.05 49.33 14:09:01 6 43.19 0.00 7.19 0.67 0.03 48.92 14:09:01 7 42.97 0.00 9.24 1.37 0.05 46.37 14:10:01 all 8.00 0.17 3.26 1.54 0.02 87.01 14:10:01 0 9.06 0.00 3.46 1.39 0.02 86.07 14:10:01 1 7.26 0.00 3.29 0.65 0.02 88.78 14:10:01 2 5.63 0.50 3.17 0.42 0.03 90.25 14:10:01 3 5.18 0.88 3.64 1.65 0.02 88.64 14:10:01 4 5.40 0.00 3.37 5.20 0.00 86.02 14:10:01 5 15.73 0.00 4.42 1.92 0.02 77.92 14:10:01 6 7.16 0.00 2.23 0.72 0.00 89.89 14:10:01 7 8.60 0.00 2.52 0.40 0.02 88.46 14:11:01 all 11.30 0.00 1.31 0.80 0.01 86.58 14:11:01 0 9.82 0.00 0.85 0.07 0.00 89.27 14:11:01 1 7.38 0.00 1.54 2.61 0.02 88.46 14:11:01 2 14.43 0.00 1.91 1.59 0.02 82.06 14:11:01 3 8.03 0.00 1.12 0.23 0.02 90.60 14:11:01 4 10.92 0.00 1.42 0.23 0.02 87.41 14:11:01 5 14.37 0.00 1.32 0.43 0.02 83.86 14:11:01 6 8.19 0.00 1.14 0.80 0.02 89.85 14:11:01 7 17.25 0.00 1.19 0.42 0.02 81.13 Average: all 24.77 0.15 4.68 1.91 0.02 68.46 Average: 0 24.35 0.60 4.72 1.68 0.02 68.62 Average: 1 23.18 0.00 4.79 2.29 0.02 69.72 Average: 2 24.62 0.10 4.63 0.78 0.02 69.84 Average: 3 23.73 0.22 4.46 2.64 0.03 68.92 Average: 4 25.05 0.00 4.65 2.12 0.02 68.16 Average: 5 27.32 0.00 4.72 1.36 0.03 66.57 Average: 6 24.49 0.28 4.59 2.77 0.02 67.86 Average: 7 25.45 0.00 4.88 1.63 0.03 68.01