---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19049 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 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/core24/1225 /dev/loop2 22M 22M 0 100% /snap/helm/485 ---> free -m: total used free shared buff/cache available Mem: 32167 1601 23974 2 6590 30108 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:49:68:4e brd ff:ff:ff:ff:ff:ff inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86031sec preferred_lft 86031sec inet6 fe80::f816:3eff:fe49:684e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:41:18:d9 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::42:56ff:fe41:18d9/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 36:50:35:0e:c2:a7 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::3450:35ff:fe0e:c2a7/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 52:08:bb:d5:3d:41 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::5008:bbff:fed5:3d41/64 scope link valid_lft forever preferred_lft forever 6: vethea648e33@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 22:08:87:bf:ec:65 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::2008:87ff:febf:ec65/64 scope link valid_lft forever preferred_lft forever 7: vethf5415c26@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ae:c9:5f:0a:0e:77 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::acc9:5fff:fe0a:e77/64 scope link valid_lft forever preferred_lft forever 9: veth9d9e4a60@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3a:67:3a:6d:f9:55 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::3867:3aff:fe6d:f955/64 scope link valid_lft forever preferred_lft forever 13: veth7501a7ef@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 96:ac:1c:6b:a8:c3 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::94ac:1cff:fe6b:a8c3/64 scope link valid_lft forever preferred_lft forever 14: vethc5e74bc7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 52:95:7a:ad:fa:76 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::5095:7aff:fead:fa76/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19049) 12/09/25 _x86_64_ (8 CPU) 13:50:27 LINUX RESTART (8 CPU) 13:51:01 tps rtps wtps bread/s bwrtn/s 13:52:01 504.50 90.79 413.71 3743.64 117477.02 13:53:01 321.25 2.88 318.36 364.07 107084.95 13:54:01 168.07 3.33 164.74 442.73 105655.32 13:55:01 110.00 20.10 89.90 741.21 37620.26 13:56:01 124.28 2.48 121.80 88.25 11071.35 Average: 245.64 23.92 221.72 1076.25 75785.95 13:51:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:52:01 27558528 31091796 5380692 16.34 79372 3697448 2481192 7.53 1902736 3034960 459100 13:53:01 25207328 30519808 7731892 23.47 134404 5258916 3468020 10.53 2893504 4212552 631524 13:54:01 26164332 31028720 6774888 20.57 138704 4914656 3143380 9.54 2292676 3962108 230068 13:55:01 24911060 30860592 8028160 24.37 185880 5904768 3551972 10.78 2669656 4778668 36412 13:56:01 24550884 30827492 8388336 25.47 193992 6186388 3555028 10.79 2718508 5048564 126444 Average: 25678426 30865682 7260794 22.04 146470 5192435 3239918 9.84 2495416 4207370 296710 13:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:52:01 ens3 711.54 454.46 10205.33 91.58 0.00 0.00 0.00 0.00 13:52:01 vethea648e33 1.12 1.68 0.19 0.44 0.00 0.00 0.00 0.00 13:52:01 lo 203.45 203.45 221.78 221.78 0.00 0.00 0.00 0.00 13:52:01 veth6fbfe790 16.34 15.27 25.05 35.67 0.00 0.00 0.00 0.00 13:53:01 ens3 259.87 175.69 2407.85 18.17 0.00 0.00 0.00 0.00 13:53:01 vethea648e33 2.78 3.50 0.26 0.45 0.00 0.00 0.00 0.00 13:53:01 lo 53.71 53.71 68.62 68.62 0.00 0.00 0.00 0.00 13:53:01 docker0 134.53 198.67 11.24 1569.40 0.00 0.00 0.00 0.00 13:54:01 ens3 127.21 77.12 3264.15 7.58 0.00 0.00 0.00 0.00 13:54:01 vethea648e33 3.00 3.32 0.28 0.29 0.00 0.00 0.00 0.00 13:54:01 lo 16.78 16.78 4.50 4.50 0.00 0.00 0.00 0.00 13:54:01 docker0 3.92 4.62 0.28 18.26 0.00 0.00 0.00 0.00 13:55:01 ens3 293.23 191.93 5018.04 17.21 0.00 0.00 0.00 0.00 13:55:01 vethea648e33 3.22 3.58 0.29 0.41 0.00 0.00 0.00 0.00 13:55:01 lo 43.24 43.24 17.05 17.05 0.00 0.00 0.00 0.00 13:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:56:01 ens3 75.30 54.16 981.60 12.18 0.00 0.00 0.00 0.00 13:56:01 vethea648e33 3.08 3.22 0.28 0.28 0.00 0.00 0.00 0.00 13:56:01 lo 21.76 21.76 6.26 6.26 0.00 0.00 0.00 0.00 13:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 293.48 190.70 4375.98 29.35 0.00 0.00 0.00 0.00 Average: vethea648e33 2.64 3.06 0.26 0.37 0.00 0.00 0.00 0.00 Average: lo 67.80 67.80 63.66 63.66 0.00 0.00 0.00 0.00 Average: docker0 27.69 40.65 2.31 317.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19049) 12/09/25 _x86_64_ (8 CPU) 13:50:27 LINUX RESTART (8 CPU) 13:51:01 CPU %user %nice %system %iowait %steal %idle 13:52:01 all 14.62 0.74 4.81 5.49 0.07 74.27 13:52:01 0 15.06 0.87 4.08 0.52 0.07 79.40 13:52:01 1 12.96 0.00 4.57 7.89 0.07 74.52 13:52:01 2 12.00 2.13 4.81 1.98 0.08 79.00 13:52:01 3 19.47 0.00 5.68 12.14 0.07 62.64 13:52:01 4 12.01 0.00 4.26 1.06 0.07 82.60 13:52:01 5 15.22 0.00 4.43 16.53 0.08 63.74 13:52:01 6 16.12 2.90 5.55 2.92 0.10 72.42 13:52:01 7 14.17 0.00 5.04 0.93 0.05 79.81 13:53:01 all 41.67 0.00 6.15 4.62 0.12 47.44 13:53:01 0 39.77 0.00 6.03 4.50 0.12 49.59 13:53:01 1 39.39 0.00 5.37 6.84 0.12 48.28 13:53:01 2 45.06 0.00 6.45 3.53 0.13 44.83 13:53:01 3 42.14 0.00 5.86 2.45 0.12 49.43 13:53:01 4 39.84 0.00 5.95 2.29 0.13 51.78 13:53:01 5 41.01 0.00 5.85 7.60 0.10 45.44 13:53:01 6 43.77 0.00 7.22 3.81 0.13 45.06 13:53:01 7 42.42 0.00 6.46 5.89 0.13 45.10 13:54:01 all 36.11 0.21 6.24 2.75 0.10 54.58 13:54:01 0 35.35 1.46 5.97 3.84 0.10 53.27 13:54:01 1 35.40 0.17 5.82 3.64 0.10 54.87 13:54:01 2 37.29 0.00 6.84 1.45 0.10 54.32 13:54:01 3 37.17 0.00 6.27 5.58 0.10 50.88 13:54:01 4 37.60 0.00 6.46 5.97 0.08 49.88 13:54:01 5 33.50 0.00 6.37 0.07 0.10 59.96 13:54:01 6 36.46 0.00 6.54 1.45 0.10 55.45 13:54:01 7 36.14 0.07 5.66 0.05 0.08 58.00 13:55:01 all 6.58 0.00 3.04 1.56 0.08 88.75 13:55:01 0 5.26 0.00 2.71 0.75 0.05 91.23 13:55:01 1 4.79 0.00 2.13 0.35 0.07 92.66 13:55:01 2 5.99 0.00 2.37 1.28 0.08 90.27 13:55:01 3 7.71 0.00 3.42 0.44 0.08 88.35 13:55:01 4 5.41 0.00 2.96 8.56 0.07 83.00 13:55:01 5 4.78 0.00 4.05 0.50 0.08 90.58 13:55:01 6 13.37 0.00 3.02 0.50 0.08 83.02 13:55:01 7 5.27 0.00 3.63 0.12 0.08 90.90 13:56:01 all 11.93 0.00 1.11 0.63 0.07 86.27 13:56:01 0 5.40 0.00 0.90 0.60 0.05 93.05 13:56:01 1 3.48 0.00 0.91 1.11 0.08 94.41 13:56:01 2 16.19 0.00 1.51 0.35 0.07 81.88 13:56:01 3 7.85 0.00 0.85 0.15 0.05 91.09 13:56:01 4 18.58 0.00 1.22 0.10 0.08 80.02 13:56:01 5 14.68 0.00 1.16 1.01 0.07 83.09 13:56:01 6 18.37 0.00 1.22 0.23 0.07 80.11 13:56:01 7 10.83 0.00 1.09 1.46 0.08 86.54 Average: all 22.16 0.19 4.26 3.01 0.09 70.29 Average: 0 20.11 0.46 3.93 2.04 0.08 73.39 Average: 1 19.23 0.03 3.76 3.98 0.09 72.90 Average: 2 23.29 0.43 4.39 1.72 0.09 70.09 Average: 3 22.83 0.00 4.41 4.14 0.08 68.53 Average: 4 22.68 0.00 4.17 3.59 0.09 69.48 Average: 5 21.81 0.00 4.37 5.14 0.09 68.59 Average: 6 25.60 0.58 4.70 1.78 0.10 67.24 Average: 7 21.75 0.01 4.37 1.69 0.09 72.09