---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3626 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/d02651f02e59c714e712acb784b91a35868228603815f3c2081838af79e8f253/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f94e739803901b99d0099ba69ced0aa7f1247fe65eafde87ed7f57af9210a1ad/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/82026ddd9a845b5189ad76828d40e6f94b86bdc571dfec0f5f86407599224e90/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/284e16d29fcfd23b6ec8656b0cde231e12887f6bfe01687bbfa13aa561587b2a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/19ee7a210fd5a248d3d1e9f8c4871a40b1197fc2feef3605ab38ca5976cdb3ff/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1520 24208 1 6438 30190 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:44:e4:70 brd ff:ff:ff:ff:ff:ff inet 10.30.106.118/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe44:e470/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f5:d7:eb:f6 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:f5ff:fed7:ebf6/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0a:6b:09:ba:ff:89 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::86b:9ff:feba:ff89/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ea:9e:4b:f8:54:51 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::e89e:4bff:fef8:5451/64 scope link valid_lft forever preferred_lft forever 6: vethd04e85fd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:ea:e0:b2:11:d5 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::18ea:e0ff:feb2:11d5/64 scope link valid_lft forever preferred_lft forever 7: vethafe5d6d6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:8b:79:3d:13:88 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::608b:79ff:fe3d:1388/64 scope link valid_lft forever preferred_lft forever 12: veth2cd692c3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7a:55:36:b3:a2:2c brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::7855:36ff:feb3:a22c/64 scope link valid_lft forever preferred_lft forever 13: vethf649aabc@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:b0:16:25:f4:a0 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b0:16ff:fe25:f4a0/64 scope link valid_lft forever preferred_lft forever 14: vethaa885c70@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4a:5a:4e:a7:5e:43 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::485a:4eff:fea7:5e43/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3626) 09/21/26 _x86_64_ (8 CPU) 05:55:41 LINUX RESTART (8 CPU) 05:56:02 tps rtps wtps bread/s bwrtn/s 05:57:01 578.45 129.62 448.83 7425.69 196917.52 05:58:01 326.61 0.63 325.98 5.87 87153.34 05:59:01 163.31 3.32 159.99 441.53 61018.90 06:00:01 120.84 20.48 100.37 774.14 49960.15 06:01:01 109.58 2.18 107.40 142.38 11585.00 Average: 258.70 30.92 227.78 1739.12 80943.30 05:56:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:57:01 28026088 31219428 4913132 14.92 86660 3361328 2608660 7.92 1730492 2750940 34820 05:58:01 26031336 31098016 6907884 20.97 136852 5017312 2772620 8.42 2167732 4129692 427944 05:59:01 26190580 31071176 6748640 20.49 140584 4933260 2749080 8.35 2207784 4038532 179864 06:00:01 25195588 30889284 7743632 23.51 149404 5691908 3361640 10.21 2535880 4647928 53804 06:01:01 24798944 30924476 8140276 24.71 154592 6078468 3316608 10.07 2514440 5023276 203480 Average: 26048507 31040476 6890713 20.92 133618 5016455 2961722 8.99 2231266 4118074 179982 05:56:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:57:01 docker0 32.14 40.05 2.86 9.79 0.00 0.00 0.00 0.00 05:57:01 ens3 740.78 485.31 9673.49 95.57 0.00 0.00 0.00 0.00 05:57:01 vethd04e85fd 1.29 1.61 0.15 0.37 0.00 0.00 0.00 0.00 05:57:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 docker0 176.70 295.83 12.67 1606.52 0.00 0.00 0.00 0.00 05:58:01 veth2cd692c3 7.75 9.45 2.40 2.29 0.00 0.00 0.00 0.00 05:58:01 ens3 361.79 206.28 3041.05 20.21 0.00 0.00 0.00 0.00 05:58:01 vethd04e85fd 2.85 3.67 0.26 0.48 0.00 0.00 0.00 0.00 05:59:01 docker0 4.45 8.15 0.33 19.05 0.00 0.00 0.00 0.00 05:59:01 veth2cd692c3 7.05 8.62 2.13 1.00 0.00 0.00 0.00 0.00 05:59:01 ens3 53.51 26.76 690.70 5.25 0.00 0.00 0.00 0.00 05:59:01 vethd04e85fd 3.07 3.37 0.28 0.29 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 veth2cd692c3 7.45 8.50 2.16 1.19 0.00 0.00 0.00 0.00 06:00:01 ens3 280.36 163.08 5699.51 17.97 0.00 0.00 0.00 0.00 06:00:01 vethd04e85fd 3.22 3.55 0.29 0.40 0.00 0.00 0.00 0.00 06:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 veth2cd692c3 7.23 8.30 2.14 0.98 0.00 0.00 0.00 0.00 06:01:01 ens3 79.47 48.83 1370.63 8.50 0.00 0.00 0.00 0.00 06:01:01 vethd04e85fd 3.08 3.20 0.28 0.28 0.00 0.00 0.00 0.00 Average: docker0 42.69 68.90 3.17 328.11 0.00 0.00 0.00 0.00 Average: veth2cd692c3 5.92 7.00 1.77 1.10 0.00 0.00 0.00 0.00 Average: ens3 301.73 185.06 4076.66 29.28 0.00 0.00 0.00 0.00 Average: vethd04e85fd 2.71 3.08 0.25 0.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3626) 09/21/26 _x86_64_ (8 CPU) 05:55:41 LINUX RESTART (8 CPU) 05:56:02 CPU %user %nice %system %iowait %steal %idle 05:57:01 all 14.30 0.58 4.72 3.78 0.01 76.62 05:57:01 0 11.87 0.00 5.38 1.06 0.00 81.69 05:57:01 1 13.72 3.05 5.55 1.49 0.02 76.18 05:57:01 2 13.01 0.00 4.32 6.13 0.00 76.54 05:57:01 3 18.00 0.00 5.55 5.72 0.02 70.71 05:57:01 4 17.08 1.59 4.24 2.21 0.00 74.88 05:57:01 5 10.81 0.00 3.51 1.23 0.00 84.45 05:57:01 6 18.44 0.00 3.84 2.18 0.00 75.54 05:57:01 7 11.54 0.00 5.38 10.22 0.00 72.87 05:58:01 all 44.49 0.00 6.85 1.72 0.02 46.91 05:58:01 0 44.78 0.00 7.16 0.96 0.02 47.08 05:58:01 1 44.14 0.00 6.45 2.60 0.02 46.80 05:58:01 2 44.59 0.00 7.34 1.20 0.02 46.85 05:58:01 3 45.07 0.00 7.11 1.52 0.02 46.29 05:58:01 4 43.52 0.00 6.56 0.94 0.02 48.97 05:58:01 5 41.56 0.00 6.34 0.66 0.02 51.43 05:58:01 6 43.32 0.00 6.83 3.88 0.02 45.96 05:58:01 7 48.97 0.00 7.03 2.04 0.02 41.94 05:59:01 all 41.52 0.27 6.82 0.71 0.02 50.66 05:59:01 0 40.71 0.00 6.27 0.12 0.03 52.86 05:59:01 1 41.71 1.03 7.22 0.12 0.03 49.89 05:59:01 2 39.93 0.37 6.70 0.17 0.02 52.82 05:59:01 3 41.92 0.66 6.40 1.40 0.02 49.60 05:59:01 4 42.40 0.00 6.81 2.46 0.02 48.31 05:59:01 5 41.00 0.00 6.40 1.13 0.02 51.45 05:59:01 6 40.15 0.13 6.30 0.10 0.02 53.30 05:59:01 7 44.34 0.00 8.50 0.13 0.02 47.01 06:00:01 all 9.07 0.00 2.86 0.79 0.01 87.26 06:00:01 0 6.15 0.00 2.79 0.15 0.00 90.92 06:00:01 1 13.65 0.00 3.32 0.59 0.00 82.44 06:00:01 2 12.81 0.00 2.70 1.65 0.02 82.82 06:00:01 3 7.39 0.00 3.35 1.72 0.02 87.53 06:00:01 4 6.42 0.00 2.55 0.24 0.00 90.79 06:00:01 5 14.71 0.00 2.96 1.69 0.00 80.64 06:00:01 6 5.82 0.00 2.66 0.22 0.00 91.30 06:00:01 7 5.58 0.00 2.60 0.12 0.02 91.68 06:01:01 all 11.80 0.00 1.47 0.48 0.02 86.23 06:01:01 0 7.59 0.00 1.12 0.07 0.02 91.21 06:01:01 1 28.58 0.00 2.54 0.35 0.05 68.48 06:01:01 2 7.52 0.00 1.03 0.00 0.02 91.43 06:01:01 3 4.39 0.00 1.03 0.57 0.00 94.01 06:01:01 4 2.64 0.00 1.46 0.34 0.02 95.54 06:01:01 5 18.28 0.00 1.84 1.94 0.03 77.92 06:01:01 6 10.29 0.00 1.31 0.44 0.02 87.95 06:01:01 7 15.11 0.00 1.38 0.13 0.03 83.34 Average: all 24.24 0.17 4.54 1.49 0.01 69.55 Average: 0 22.19 0.00 4.53 0.47 0.01 72.80 Average: 1 28.39 0.81 5.01 1.03 0.02 64.75 Average: 2 23.55 0.07 4.41 1.81 0.01 70.14 Average: 3 23.32 0.13 4.68 2.17 0.01 69.69 Average: 4 22.43 0.31 4.32 1.23 0.01 71.68 Average: 5 25.26 0.00 4.20 1.33 0.01 69.19 Average: 6 23.61 0.03 4.18 1.36 0.01 70.80 Average: 7 25.13 0.00 4.97 2.50 0.02 67.39