---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-788 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 1.8M 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/8cd545fbd08a9dc16f4b35e49a8c9511b77efe3901e5244ac54e1a777cf6badd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/97652d59cd6948ad287bcb71a539d32ef3699298782aa3acc00fc608e6bc0bfa/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f2a958453f6aec95088b006bd37e6599de9f27c3af1d901fa1e4f2f82356d916/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1fb9bd72c903ecd612602ae286c4cefe534836e082eeb0fe3512736dd402e909/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/bdc1f4323f833a436fdaea0b1fa831c6c096be56cac63da2da3cdc15c8aa4157/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1503 24230 1 6433 30207 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:9b:6b:57 brd ff:ff:ff:ff:ff:ff inet 10.30.107.178/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe9b:6b57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f9:91:4e:01 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:f9ff:fe91:4e01/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 6e:a7:cd:ba:33:2f 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::6ca7:cdff:feba:332f/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 26:54:93:50:64:16 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::2454:93ff:fe50:6416/64 scope link valid_lft forever preferred_lft forever 6: veth388fb527@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:dd:bc:83:6b:5f brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::9cdd:bcff:fe83:6b5f/64 scope link valid_lft forever preferred_lft forever 7: veth8c18d550@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:a5:48:15:5d:17 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::60a5:48ff:fe15:5d17/64 scope link valid_lft forever preferred_lft forever 10: veth9a3f5439@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 16:dc:f8:b6:36:a7 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::14dc:f8ff:feb6:36a7/64 scope link valid_lft forever preferred_lft forever 13: veth969ddeba@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 32:ff:72:7a:1b:a6 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::30ff:72ff:fe7a:1ba6/64 scope link valid_lft forever preferred_lft forever 14: veth91d5378a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:6c:a4:75:47:24 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::286c:a4ff:fe75:4724/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-788) 08/03/26 _x86_64_ (8 CPU) 11:18:51 LINUX RESTART (8 CPU) 11:19:01 tps rtps wtps bread/s bwrtn/s 11:20:01 402.38 129.37 273.01 7251.45 118593.67 11:21:01 483.49 7.48 476.00 1136.21 141428.83 11:22:01 123.41 0.00 123.41 0.00 61619.86 11:23:01 201.48 3.85 197.63 527.25 94639.16 11:24:01 105.36 20.41 84.96 759.21 8987.27 Average: 263.23 32.23 231.00 1934.96 85052.34 11:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 29495384 31382964 3443836 10.46 50140 2143680 1896000 5.76 1515784 1616180 4352 11:21:01 25763720 30877900 7175500 21.78 136044 5071048 3642400 11.06 2673072 3891724 849396 11:22:01 24196268 30452084 8742952 26.54 138476 6164848 3606268 10.95 3730704 4356988 1150288 11:23:01 25421276 31008512 7517944 22.82 143056 5603288 3246080 9.85 2389772 4580156 604 11:24:01 24897188 30899776 8042032 24.41 153244 5967628 3333868 10.12 2542332 4907828 203128 Average: 25954767 30924247 6984453 21.20 124192 4990098 3144923 9.55 2570333 3870575 441554 11:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 93.77 93.77 33.45 33.45 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 ens3 403.42 277.31 2475.96 75.74 0.00 0.00 0.00 0.00 11:21:01 veth8c18d550 0.57 1.53 0.10 0.22 0.00 0.00 0.00 0.00 11:21:01 veth1acd2f4 158.14 205.53 14.45 1605.04 0.00 0.00 0.00 0.13 11:21:01 veth388fb527 7.72 10.16 2.42 2.57 0.00 0.00 0.00 0.00 11:21:01 lo 132.18 132.18 138.64 138.64 0.00 0.00 0.00 0.00 11:22:01 veth8c18d550 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 11:22:01 veth1acd2f4 6.17 7.45 0.50 18.89 0.00 0.00 0.00 0.00 11:22:01 veth388fb527 6.95 8.37 2.08 0.97 0.00 0.00 0.00 0.00 11:22:01 lo 12.08 12.08 3.70 3.70 0.00 0.00 0.00 0.00 11:23:01 veth8c18d550 0.13 0.28 0.01 0.03 0.00 0.00 0.00 0.00 11:23:01 veth388fb527 7.20 8.67 2.14 1.12 0.00 0.00 0.00 0.00 11:23:01 lo 41.83 41.83 16.06 16.06 0.00 0.00 0.00 0.00 11:23:01 veth9a3f5439 9.25 10.76 0.88 1.42 0.00 0.00 0.00 0.00 11:24:01 veth8c18d550 0.12 0.10 0.01 0.02 0.00 0.00 0.00 0.00 11:24:01 veth388fb527 7.31 8.36 2.15 1.06 0.00 0.00 0.00 0.00 11:24:01 lo 22.54 22.54 6.18 6.18 0.00 0.00 0.00 0.00 11:24:01 veth9a3f5439 3.00 3.28 0.28 0.28 0.00 0.00 0.00 0.00 Average: veth8c18d550 0.19 0.42 0.02 0.06 0.00 0.00 0.00 0.00 Average: veth388fb527 5.84 7.11 1.76 1.14 0.00 0.00 0.00 0.00 Average: lo 60.48 60.48 39.60 39.60 0.00 0.00 0.00 0.00 Average: veth9a3f5439 2.45 2.81 0.23 0.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-788) 08/03/26 _x86_64_ (8 CPU) 11:18:51 LINUX RESTART (8 CPU) 11:19:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 8.90 0.75 2.42 4.77 0.06 83.09 11:20:01 0 5.56 3.52 2.08 13.69 0.08 75.07 11:20:01 1 9.73 0.02 2.25 1.15 0.07 86.78 11:20:01 2 5.79 2.46 2.98 4.55 0.07 84.16 11:20:01 3 13.63 0.00 4.01 7.94 0.07 74.35 11:20:01 4 7.05 0.00 2.22 4.19 0.05 86.48 11:20:01 5 6.54 0.00 2.09 3.35 0.07 87.96 11:20:01 6 10.88 0.00 2.06 2.34 0.07 84.65 11:20:01 7 12.03 0.00 1.70 1.02 0.07 85.18 11:21:01 all 38.52 0.00 7.98 3.73 0.13 49.64 11:21:01 0 36.58 0.00 9.27 9.81 0.12 44.21 11:21:01 1 38.21 0.00 7.98 2.15 0.14 51.52 11:21:01 2 40.15 0.00 7.72 1.52 0.12 50.49 11:21:01 3 37.98 0.00 7.81 3.07 0.13 51.00 11:21:01 4 38.99 0.00 8.11 2.61 0.12 50.17 11:21:01 5 37.76 0.00 7.52 2.20 0.14 52.39 11:21:01 6 40.38 0.00 7.76 3.46 0.13 48.27 11:21:01 7 38.12 0.00 7.65 5.04 0.14 49.05 11:22:01 all 51.44 0.00 6.88 0.49 0.12 41.07 11:22:01 0 52.86 0.00 6.72 0.03 0.12 40.27 11:22:01 1 49.70 0.00 6.85 0.72 0.10 42.63 11:22:01 2 49.45 0.00 6.35 0.34 0.12 43.75 11:22:01 3 50.38 0.00 7.01 1.88 0.13 40.59 11:22:01 4 55.05 0.00 7.31 0.64 0.12 36.89 11:22:01 5 52.81 0.00 7.20 0.15 0.12 39.72 11:22:01 6 53.38 0.00 7.29 0.10 0.12 39.12 11:22:01 7 47.92 0.00 6.32 0.05 0.10 45.62 11:23:01 all 7.83 0.23 4.11 1.38 0.07 86.38 11:23:01 0 8.28 0.00 4.18 2.12 0.08 85.33 11:23:01 1 6.55 0.00 4.31 2.38 0.08 86.67 11:23:01 2 9.77 0.00 3.24 0.64 0.08 86.26 11:23:01 3 7.36 1.08 4.55 3.82 0.07 83.12 11:23:01 4 8.93 0.71 3.90 0.14 0.08 86.24 11:23:01 5 6.91 0.00 3.59 0.62 0.05 88.82 11:23:01 6 6.80 0.00 4.12 0.22 0.07 88.80 11:23:01 7 8.03 0.00 5.01 1.13 0.08 85.75 11:24:01 all 11.64 0.00 1.40 0.97 0.07 85.92 11:24:01 0 16.82 0.00 1.97 0.38 0.05 80.77 11:24:01 1 18.86 0.00 1.50 0.42 0.08 79.13 11:24:01 2 4.14 0.00 1.06 0.12 0.05 94.64 11:24:01 3 15.27 0.00 1.24 0.50 0.07 82.92 11:24:01 4 9.47 0.00 1.29 0.69 0.05 88.51 11:24:01 5 12.55 0.00 1.49 2.91 0.07 82.98 11:24:01 6 9.06 0.00 1.21 2.28 0.08 87.38 11:24:01 7 6.91 0.00 1.41 0.47 0.05 91.16 Average: all 23.64 0.20 4.55 2.27 0.09 69.25 Average: 0 24.00 0.71 4.83 5.20 0.09 65.16 Average: 1 24.57 0.00 4.57 1.36 0.09 69.40 Average: 2 21.84 0.49 4.27 1.44 0.09 71.87 Average: 3 24.92 0.22 4.92 3.44 0.09 66.41 Average: 4 23.86 0.14 4.56 1.65 0.08 69.70 Average: 5 23.29 0.00 4.37 1.85 0.09 70.40 Average: 6 24.08 0.00 4.48 1.68 0.09 69.66 Average: 7 22.55 0.00 4.41 1.53 0.09 71.42