---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-64 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 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1237 /dev/loop2 22M 22M 0 100% /snap/helm/491 ---> free -m: total used free shared buff/cache available Mem: 32167 1614 23943 2 6608 30096 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:78:71:03 brd ff:ff:ff:ff:ff:ff inet 10.30.107.249/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86031sec preferred_lft 86031sec inet6 fe80::f816:3eff:fe78:7103/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:80:02:7b 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::42:87ff:fe80:27b/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether f6:7d:3f:5f:50:93 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::f47d:3fff:fe5f:5093/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 5a:53:44:e0:ac:c3 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::5853:44ff:fee0:acc3/64 scope link valid_lft forever preferred_lft forever 8: vethc9dc367e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether da:8b:b6:01:f7:98 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::d88b:b6ff:fe01:f798/64 scope link valid_lft forever preferred_lft forever 9: veth914cfd4c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6e:0b:29:c5:9e:60 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::6c0b:29ff:fec5:9e60/64 scope link valid_lft forever preferred_lft forever 10: veth3cd9cee6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0e:86:3b:1e:42:70 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::c86:3bff:fe1e:4270/64 scope link valid_lft forever preferred_lft forever 11: vethd8b9c473@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether da:61:59:32:c6:4c brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::d861:59ff:fe32:c64c/64 scope link valid_lft forever preferred_lft forever 12: vethc84fbf04@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether da:91:54:c8:ad:53 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::d891:54ff:fec8:ad53/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-64) 12/19/25 _x86_64_ (8 CPU) 10:16:40 LINUX RESTART (8 CPU) 10:17:02 tps rtps wtps bread/s bwrtn/s 10:18:01 369.48 119.34 250.14 6427.25 135153.50 10:19:01 443.04 3.68 439.36 399.93 134970.44 10:20:01 138.31 0.00 138.31 0.00 36098.92 10:21:01 180.07 5.20 174.87 540.71 90010.20 10:22:01 104.47 20.56 83.91 759.48 12371.21 Average: 246.66 29.46 217.20 1609.39 81539.86 10:17:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:18:01 29404308 31384560 3534912 10.73 50456 2234756 1911504 5.80 1540720 1675300 47816 10:19:01 25703192 30651596 7236028 21.97 134944 4910300 3833948 11.64 2799512 3829436 862516 10:20:01 24125872 30427176 8813348 26.76 138340 6207552 3678060 11.17 3776944 4377652 1138208 10:21:01 25329024 30910824 7610196 23.10 155144 5581256 3692900 11.21 2465932 4586760 2116 10:22:01 24656628 30818892 8282592 25.15 192440 6089024 3596900 10.92 2728264 4955712 163604 Average: 25843805 30838610 7095415 21.54 134265 5004578 3342662 10.15 2662274 3884972 442852 10:17:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 lo 126.45 126.45 57.17 57.17 0.00 0.00 0.00 0.00 10:18:01 ens3 499.25 346.23 3224.58 80.76 0.00 0.00 0.00 0.00 10:19:01 cni0 49.71 45.24 40.82 113.68 0.00 0.00 0.90 0.00 10:19:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 docker0 207.43 304.05 15.52 1615.18 0.00 0.00 0.00 0.00 10:19:01 vethc84fbf04 4.72 4.05 0.92 2.39 0.00 0.00 0.00 0.00 10:20:01 cni0 11.43 13.00 2.94 2.12 0.00 0.00 0.08 0.00 10:20:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 docker0 5.78 9.05 0.40 20.20 0.00 0.00 0.00 0.00 10:20:01 vethc84fbf04 1.35 1.60 0.11 0.17 0.00 0.00 0.00 0.00 10:21:01 cni0 12.01 13.10 3.03 2.15 0.00 0.00 0.08 0.00 10:21:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 docker0 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:21:01 vethc84fbf04 1.40 1.50 0.11 0.17 0.00 0.00 0.00 0.00 10:22:01 cni0 12.45 13.78 3.07 2.87 0.00 0.00 0.10 0.00 10:22:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:01 vethc84fbf04 1.63 1.90 0.13 0.57 0.00 0.00 0.00 0.00 Average: cni0 17.18 17.08 10.00 24.25 0.00 0.00 0.23 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 42.79 62.84 3.20 328.16 0.00 0.00 0.00 0.00 Average: vethc84fbf04 1.83 1.82 0.26 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-64) 12/19/25 _x86_64_ (8 CPU) 10:16:40 LINUX RESTART (8 CPU) 10:17:02 CPU %user %nice %system %iowait %steal %idle 10:18:01 all 9.84 1.06 2.58 5.71 0.07 80.75 10:18:01 0 17.19 0.03 1.91 10.72 0.07 70.08 10:18:01 1 9.66 0.03 2.26 5.99 0.07 81.99 10:18:01 2 7.81 2.01 2.71 6.53 0.07 80.87 10:18:01 3 10.58 2.12 2.82 0.49 0.05 83.93 10:18:01 4 11.10 0.00 3.49 7.72 0.09 77.61 10:18:01 5 7.87 2.22 2.73 1.45 0.09 85.65 10:18:01 6 7.76 1.99 2.53 11.79 0.09 75.84 10:18:01 7 6.73 0.00 2.15 0.95 0.05 90.12 10:19:01 all 27.66 0.00 6.52 9.21 0.16 56.44 10:19:01 0 29.73 0.00 7.21 3.76 0.15 59.15 10:19:01 1 27.48 0.00 6.63 10.82 0.17 54.91 10:19:01 2 27.72 0.00 7.02 8.83 0.15 56.28 10:19:01 3 28.41 0.00 6.52 3.83 0.19 61.05 10:19:01 4 26.99 0.00 6.35 7.04 0.19 59.43 10:19:01 5 28.70 0.00 6.38 10.13 0.17 54.62 10:19:01 6 27.75 0.00 6.58 26.93 0.15 38.59 10:19:01 7 24.51 0.00 5.47 2.39 0.12 67.51 10:20:01 all 50.90 0.00 6.69 0.36 0.13 41.92 10:20:01 0 49.81 0.00 7.30 0.17 0.12 42.60 10:20:01 1 54.35 0.00 6.85 0.02 0.12 38.67 10:20:01 2 54.02 0.00 6.72 1.23 0.10 37.93 10:20:01 3 52.46 0.00 7.14 1.28 0.12 39.00 10:20:01 4 49.21 0.00 6.26 0.02 0.15 44.36 10:20:01 5 50.17 0.00 6.11 0.00 0.13 43.59 10:20:01 6 49.54 0.00 6.96 0.07 0.13 43.29 10:20:01 7 47.66 0.00 6.17 0.08 0.12 45.97 10:21:01 all 7.02 0.21 3.60 3.56 0.11 85.51 10:21:01 0 5.30 0.00 5.50 6.42 0.10 82.68 10:21:01 1 5.62 0.00 3.62 1.63 0.10 89.02 10:21:01 2 5.91 1.66 3.32 4.15 0.12 84.86 10:21:01 3 9.54 0.00 3.15 4.12 0.10 83.09 10:21:01 4 5.81 0.00 4.73 5.35 0.12 83.99 10:21:01 5 11.25 0.00 3.40 5.57 0.14 79.65 10:21:01 6 5.59 0.00 2.51 0.89 0.08 90.93 10:21:01 7 7.16 0.02 2.61 0.29 0.10 89.82 10:22:01 all 8.88 0.00 1.82 1.29 0.12 87.90 10:22:01 0 3.09 0.00 1.47 0.85 0.13 94.45 10:22:01 1 10.06 0.00 1.94 2.02 0.15 85.83 10:22:01 2 6.89 0.00 2.62 0.12 0.15 90.22 10:22:01 3 9.46 0.00 1.52 1.04 0.08 87.89 10:22:01 4 18.70 0.00 2.31 4.52 0.15 74.31 10:22:01 5 4.27 0.00 1.52 0.35 0.07 93.79 10:22:01 6 6.29 0.00 1.59 0.50 0.10 91.52 10:22:01 7 12.26 0.00 1.57 0.89 0.08 85.19 Average: all 20.86 0.25 4.24 4.01 0.12 70.52 Average: 0 20.99 0.01 4.68 4.37 0.11 69.85 Average: 1 21.44 0.01 4.26 4.08 0.12 70.09 Average: 2 20.50 0.73 4.48 4.16 0.12 70.02 Average: 3 22.07 0.42 4.22 2.15 0.11 71.02 Average: 4 22.38 0.00 4.62 4.92 0.14 67.94 Average: 5 20.46 0.44 4.02 3.49 0.12 71.47 Average: 6 19.38 0.40 4.03 8.00 0.11 68.09 Average: 7 19.69 0.00 3.59 0.92 0.09 75.70