---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-80 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 1609 23950 2 6607 30100 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:a6:af:5d brd ff:ff:ff:ff:ff:ff inet 10.30.107.59/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86056sec preferred_lft 86056sec inet6 fe80::f816:3eff:fea6:af5d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:af:3d:43:6e 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:afff:fe3d:436e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether be:ee:1e:1a:a3:f4 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::bcee:1eff:fe1a:a3f4/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 22:93:90:88:aa:3d 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::2093:90ff:fe88:aa3d/64 scope link valid_lft forever preferred_lft forever 6: veth1e04fdac@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e2:45:a0:03:52:fd brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::e045:a0ff:fe03:52fd/64 scope link valid_lft forever preferred_lft forever 7: veth058ef6ee@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether d2:39:e9:20:74:c0 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::d039:e9ff:fe20:74c0/64 scope link valid_lft forever preferred_lft forever 8: vethe8dac66a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether c2:e7:8f:cf:86:bb brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::c0e7:8fff:fecf:86bb/64 scope link valid_lft forever preferred_lft forever 13: veth921dc6c7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0a:36:96:15:fe:5b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::836:96ff:fe15:fe5b/64 scope link valid_lft forever preferred_lft forever 14: veth4e79c4c8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 12:3a:e4:38:52:c3 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::103a:e4ff:fe38:52c3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-80) 12/16/25 _x86_64_ (8 CPU) 11:12:31 LINUX RESTART (8 CPU) 11:13:02 tps rtps wtps bread/s bwrtn/s 11:14:01 486.26 92.49 393.76 4076.05 161797.25 11:15:01 352.79 0.95 351.84 8.40 75919.88 11:16:01 180.97 3.53 177.44 475.92 76065.19 11:17:01 114.71 21.73 92.99 747.62 37721.69 11:18:01 110.11 1.17 108.95 76.92 10764.47 Average: 248.17 23.74 224.43 1066.94 72153.79 11:13:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:14:01 27864120 31156300 5075100 15.41 82016 3461120 2632216 7.99 1804184 2834936 2356 11:15:01 25357676 30619020 7581544 23.02 137364 5204724 3370920 10.23 2755688 4197232 543288 11:16:01 26069100 31045944 6870120 20.86 142020 5018672 2952652 8.96 2283500 4067904 322020 11:17:01 24857336 30827056 8081884 24.54 189560 5918976 3554084 10.79 2710916 4790528 38872 11:18:01 24555980 30853204 8383240 25.45 199876 6199340 3576324 10.86 2699336 5062528 132048 Average: 25740842 30900305 7198378 21.85 150167 5160566 3217239 9.77 2450725 4190626 207717 11:13:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:14:01 ens3 643.08 407.00 9006.19 66.84 0.00 0.00 0.00 0.00 11:14:01 lo 171.34 171.34 88.84 88.84 0.00 0.00 0.00 0.00 11:14:01 vethe8dac66a 0.51 0.85 0.09 0.18 0.00 0.00 0.00 0.00 11:14:01 docker0 9.49 11.05 0.84 3.94 0.00 0.00 0.00 0.00 11:15:01 ens3 314.56 188.62 3508.02 19.88 0.00 0.00 0.00 0.00 11:15:01 lo 93.23 93.23 205.53 205.53 0.00 0.00 0.00 0.00 11:15:01 vethe8dac66a 0.15 0.72 0.01 0.06 0.00 0.00 0.00 0.00 11:15:01 docker0 138.59 212.36 11.16 1608.62 0.00 0.00 0.00 0.00 11:16:01 ens3 169.74 99.10 5012.95 9.03 0.00 0.00 0.00 0.00 11:16:01 lo 16.48 16.48 4.46 4.46 0.00 0.00 0.00 0.00 11:16:01 vethe8dac66a 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 11:16:01 docker0 4.27 7.72 0.31 18.93 0.00 0.00 0.00 0.00 11:17:01 ens3 270.93 186.70 3379.17 32.36 0.00 0.00 0.00 0.00 11:17:01 lo 45.95 45.95 18.05 18.05 0.00 0.00 0.00 0.00 11:17:01 vethe8dac66a 0.12 0.27 0.01 0.02 0.00 0.00 0.00 0.00 11:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 ens3 65.94 49.26 934.97 11.48 0.00 0.00 0.00 0.00 11:18:01 lo 20.00 20.00 5.11 5.11 0.00 0.00 0.00 0.00 11:18:01 vethe8dac66a 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 291.68 185.40 4352.72 27.79 0.00 0.00 0.00 0.00 Average: lo 69.06 69.06 64.32 64.32 0.00 0.00 0.00 0.00 Average: vethe8dac66a 0.20 0.42 0.03 0.06 0.00 0.00 0.00 0.00 Average: docker0 30.54 46.34 2.47 327.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-80) 12/16/25 _x86_64_ (8 CPU) 11:12:31 LINUX RESTART (8 CPU) 11:13:02 CPU %user %nice %system %iowait %steal %idle 11:14:01 all 13.57 0.65 4.61 3.49 0.07 77.62 11:14:01 0 12.96 0.00 5.33 4.63 0.07 77.01 11:14:01 1 11.23 0.00 3.55 6.97 0.07 78.18 11:14:01 2 14.94 3.53 5.14 2.86 0.09 73.45 11:14:01 3 15.23 0.02 5.26 4.89 0.07 74.53 11:14:01 4 10.29 0.00 3.72 0.98 0.05 84.97 11:14:01 5 16.63 0.00 4.67 1.54 0.07 77.10 11:14:01 6 13.24 0.00 4.50 2.64 0.07 79.55 11:14:01 7 14.08 1.62 4.66 3.40 0.07 76.17 11:15:01 all 46.34 0.00 7.03 2.28 0.11 44.23 11:15:01 0 50.10 0.00 7.29 2.24 0.10 40.27 11:15:01 1 44.15 0.00 6.91 2.33 0.12 46.49 11:15:01 2 46.23 0.00 7.27 2.52 0.10 43.88 11:15:01 3 47.78 0.00 6.77 1.63 0.12 43.70 11:15:01 4 46.98 0.00 6.94 3.12 0.12 42.84 11:15:01 5 44.58 0.00 7.24 2.42 0.10 45.66 11:15:01 6 46.03 0.00 7.38 2.88 0.14 43.58 11:15:01 7 44.84 0.00 6.44 1.16 0.10 47.45 11:16:01 all 40.83 0.21 7.06 1.12 0.10 50.68 11:16:01 0 42.40 0.81 6.85 0.44 0.10 49.41 11:16:01 1 40.05 0.00 6.80 1.64 0.08 51.43 11:16:01 2 39.73 0.00 6.55 0.25 0.10 53.37 11:16:01 3 39.95 0.00 7.07 0.61 0.08 52.29 11:16:01 4 42.83 0.00 6.93 2.34 0.10 47.80 11:16:01 5 40.51 0.88 8.67 0.22 0.10 49.63 11:16:01 6 41.20 0.00 6.65 3.40 0.08 48.67 11:16:01 7 40.01 0.00 6.96 0.07 0.10 52.86 11:17:01 all 7.60 0.00 2.93 0.88 0.07 88.52 11:17:01 0 5.98 0.00 2.25 1.16 0.07 90.54 11:17:01 1 8.07 0.00 2.37 0.12 0.07 89.37 11:17:01 2 5.19 0.00 2.93 2.48 0.07 89.34 11:17:01 3 6.51 0.00 2.67 1.41 0.07 89.34 11:17:01 4 6.98 0.00 2.61 0.52 0.07 89.82 11:17:01 5 7.57 0.00 2.68 0.95 0.07 88.73 11:17:01 6 7.21 0.00 3.99 0.20 0.08 88.52 11:17:01 7 13.35 0.00 3.94 0.19 0.07 82.45 11:18:01 all 11.94 0.00 1.38 0.55 0.07 86.06 11:18:01 0 6.08 0.00 0.87 0.05 0.05 92.96 11:18:01 1 7.92 0.00 1.21 0.15 0.08 90.64 11:18:01 2 14.53 0.00 1.26 1.10 0.08 83.03 11:18:01 3 4.81 0.00 0.85 0.03 0.08 94.22 11:18:01 4 21.52 0.00 1.69 1.04 0.08 75.67 11:18:01 5 11.59 0.00 1.49 0.59 0.05 86.29 11:18:01 6 17.35 0.00 2.01 1.14 0.07 79.43 11:18:01 7 11.70 0.00 1.66 0.25 0.08 86.31 Average: all 24.07 0.17 4.60 1.66 0.08 69.43 Average: 0 23.50 0.16 4.51 1.69 0.08 70.06 Average: 1 22.31 0.00 4.17 2.22 0.08 71.21 Average: 2 24.14 0.70 4.62 1.84 0.09 68.61 Average: 3 22.86 0.00 4.52 1.70 0.08 70.83 Average: 4 25.75 0.00 4.37 1.60 0.08 68.19 Average: 5 24.15 0.18 4.94 1.14 0.08 69.51 Average: 6 25.00 0.00 4.90 2.05 0.09 67.96 Average: 7 24.81 0.32 4.73 1.01 0.08 69.05