---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3274 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 2.1M 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 4.0K 3.2G 1% /run/user/1001 /dev/loop0 49M 49M 0 100% /snap/snapd/26382 /dev/loop1 67M 67M 0 100% /snap/core24/1499 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1622 23955 2 6589 30088 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:e4:2a:0c brd ff:ff:ff:ff:ff:ff inet 10.30.106.203/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86066sec preferred_lft 86066sec inet6 fe80::f816:3eff:fee4:2a0c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:51:4c:45:3f 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::42:51ff:fe4c:453f/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 2a:39:97:65:49:d5 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::2839:97ff:fe65:49d5/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether e6:ac:33:f9:d7:98 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::e4ac:33ff:fef9:d798/64 scope link valid_lft forever preferred_lft forever 8: vethe355d09a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:10:69:32:82:24 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::b810:69ff:fe32:8224/64 scope link valid_lft forever preferred_lft forever 9: vethdc306ed1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3a:34:4d:2a:52:82 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3834:4dff:fe2a:5282/64 scope link valid_lft forever preferred_lft forever 10: vethe5d961af@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6e:93:2d:3c:1c:5a brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::6c93:2dff:fe3c:1c5a/64 scope link valid_lft forever preferred_lft forever 13: vethe07970d2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0e:2d:7a:2d:46:2b brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::c2d:7aff:fe2d:462b/64 scope link valid_lft forever preferred_lft forever 14: veth36da9280@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3a:c4:1b:29:9c:cf brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::38c4:1bff:fe29:9ccf/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-3274) 03/19/26 _x86_64_ (8 CPU) 15:31:00 LINUX RESTART (8 CPU) 15:32:01 tps rtps wtps bread/s bwrtn/s 15:33:01 608.52 47.91 560.61 2920.31 158638.36 15:34:01 73.58 0.03 73.55 0.27 25604.53 15:35:01 196.60 5.36 191.24 524.36 95475.91 15:36:01 128.61 20.30 108.32 769.74 10372.94 Average: 251.83 18.40 233.43 1053.69 72525.85 15:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:33:01 26128184 30859180 6811036 20.68 132212 4710356 3724940 11.31 2490156 3726084 439400 15:34:01 24664812 30735688 8274408 25.12 136664 5987284 3192268 9.69 3305872 4318004 991040 15:35:01 25133856 30894096 7805364 23.70 182216 5733288 3422004 10.39 2621704 4622712 2736 15:36:01 24645200 30832652 8294020 25.18 192296 6112528 3540812 10.75 2718792 4975012 178752 Average: 25143013 30830404 7796207 23.67 160847 5635864 3470006 10.53 2784131 4410453 402982 15:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:33:01 vethdc306ed1 0.50 1.33 0.09 0.21 0.00 0.00 0.00 0.00 15:33:01 vethe355d09a 1.85 2.78 0.26 0.71 0.00 0.00 0.00 0.00 15:33:01 cni0 46.11 40.93 46.03 122.31 0.00 0.00 0.78 0.00 15:33:01 vethe07970d2 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 15:34:01 vethdc306ed1 0.15 0.27 0.01 0.02 0.00 0.00 0.00 0.00 15:34:01 vethe355d09a 2.75 3.10 0.25 0.27 0.00 0.00 0.00 0.00 15:34:01 cni0 10.75 12.23 2.70 2.23 0.00 0.00 0.17 0.00 15:34:01 vethe07970d2 0.03 0.17 0.00 0.01 0.00 0.00 0.00 0.00 15:35:01 vethdc306ed1 0.15 0.20 0.01 0.02 0.00 0.00 0.00 0.00 15:35:01 vethe355d09a 3.10 3.40 0.29 0.29 0.00 0.00 0.00 0.00 15:35:01 cni0 11.83 13.36 3.02 2.18 0.00 0.00 0.08 0.00 15:35:01 vethe07970d2 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:36:01 vethdc306ed1 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 15:36:01 vethe355d09a 3.18 3.42 0.29 0.37 0.00 0.00 0.00 0.00 15:36:01 cni0 12.40 13.75 3.06 2.81 0.00 0.00 0.10 0.00 15:36:01 vethe07970d2 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethdc306ed1 0.23 0.50 0.03 0.07 0.00 0.00 0.00 0.00 Average: vethe355d09a 2.72 3.17 0.27 0.41 0.00 0.00 0.00 0.00 Average: cni0 20.27 20.07 13.70 32.38 0.00 0.00 0.28 0.00 Average: vethe07970d2 0.05 0.18 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3274) 03/19/26 _x86_64_ (8 CPU) 15:31:00 LINUX RESTART (8 CPU) 15:32:01 CPU %user %nice %system %iowait %steal %idle 15:33:01 all 24.22 0.00 6.45 3.57 0.11 65.65 15:33:01 0 25.87 0.00 6.92 7.34 0.12 59.75 15:33:01 1 24.30 0.00 6.13 3.17 0.12 66.28 15:33:01 2 23.71 0.00 6.66 2.86 0.10 66.67 15:33:01 3 24.16 0.00 6.55 3.88 0.10 65.31 15:33:01 4 26.50 0.00 6.82 3.26 0.12 63.31 15:33:01 5 26.66 0.00 6.60 3.10 0.10 63.54 15:33:01 6 19.34 0.00 4.91 2.06 0.10 73.59 15:33:01 7 23.15 0.00 7.05 2.84 0.10 66.86 15:34:01 all 54.65 0.00 6.67 0.22 0.11 38.35 15:34:01 0 52.56 0.00 6.99 1.19 0.12 39.15 15:34:01 1 55.06 0.00 6.89 0.07 0.10 37.88 15:34:01 2 58.41 0.00 6.90 0.00 0.10 34.59 15:34:01 3 56.52 0.00 6.78 0.02 0.12 36.57 15:34:01 4 54.05 0.00 6.50 0.34 0.12 39.00 15:34:01 5 53.63 0.00 6.58 0.12 0.10 39.58 15:34:01 6 47.97 0.00 6.04 0.02 0.10 45.88 15:34:01 7 59.03 0.00 6.62 0.00 0.12 34.24 15:35:01 all 8.53 0.21 4.07 1.19 0.09 85.91 15:35:01 0 8.54 0.00 3.50 0.27 0.08 87.62 15:35:01 1 9.46 0.00 2.74 0.25 0.08 87.47 15:35:01 2 6.45 0.30 4.46 2.03 0.08 86.68 15:35:01 3 7.69 0.00 5.42 0.52 0.10 86.28 15:35:01 4 5.99 0.00 5.06 1.51 0.10 87.33 15:35:01 5 12.98 0.00 4.77 4.50 0.10 77.66 15:35:01 6 8.66 0.00 2.69 0.25 0.08 88.31 15:35:01 7 8.46 1.40 3.94 0.20 0.08 85.92 15:36:01 all 10.25 0.00 1.52 0.49 0.08 87.66 15:36:01 0 5.38 0.00 1.37 1.04 0.10 92.11 15:36:01 1 13.76 0.00 1.73 0.24 0.10 84.17 15:36:01 2 9.61 0.00 1.57 0.17 0.08 88.57 15:36:01 3 11.75 0.00 1.45 0.23 0.08 86.48 15:36:01 4 12.74 0.00 1.62 0.22 0.05 85.37 15:36:01 5 21.31 0.00 2.06 1.47 0.10 75.06 15:36:01 6 4.82 0.00 1.31 0.52 0.08 93.26 15:36:01 7 2.66 0.00 1.04 0.08 0.05 96.16 Average: all 24.38 0.05 4.67 1.36 0.10 69.43 Average: 0 23.01 0.00 4.68 2.45 0.11 69.75 Average: 1 25.62 0.00 4.37 0.93 0.10 68.98 Average: 2 24.54 0.08 4.89 1.26 0.09 69.14 Average: 3 25.01 0.00 5.04 1.16 0.10 68.69 Average: 4 24.81 0.00 4.99 1.33 0.10 68.77 Average: 5 28.64 0.00 5.00 2.29 0.10 63.97 Average: 6 20.14 0.00 3.73 0.71 0.09 75.33 Average: 7 23.30 0.35 4.65 0.78 0.09 70.83