---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1248 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/25935 /dev/loop1 67M 67M 0 100% /snap/core24/1349 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1653 23915 2 6598 30056 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:c7:31:3b brd ff:ff:ff:ff:ff:ff inet 10.30.107.145/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86037sec preferred_lft 86037sec inet6 fe80::f816:3eff:fec7:313b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d1:5f:ea:f4 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:d1ff:fe5f:eaf4/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether e6:10:77:96:4c:74 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::e410:77ff:fe96:4c74/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether e6:43:96:52:88:0c 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::e443:96ff:fe52:880c/64 scope link valid_lft forever preferred_lft forever 8: vethf5b6b500@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 46:ca:d5:ba:f4:d9 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::44ca:d5ff:feba:f4d9/64 scope link valid_lft forever preferred_lft forever 9: veth32d1bc7a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 4a:f9:13:ce:f7:bc brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::48f9:13ff:fece:f7bc/64 scope link valid_lft forever preferred_lft forever 11: veth900a8f5c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether da:06:a5:1a:65:2d brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::d806:a5ff:fe1a:652d/64 scope link valid_lft forever preferred_lft forever 13: veth9d9d01db@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ea:fe:c2:d6:78:66 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::e8fe:c2ff:fed6:7866/64 scope link valid_lft forever preferred_lft forever 14: vethc3964b01@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 66:77:d8:80:3e:03 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::6477:d8ff:fe80:3e03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1248) 03/11/26 _x86_64_ (8 CPU) 15:32:27 LINUX RESTART (8 CPU) 15:33:02 tps rtps wtps bread/s bwrtn/s 15:34:01 604.36 86.60 517.76 3886.39 146767.94 15:35:01 271.04 0.98 270.06 10.80 91232.66 15:36:01 162.62 3.35 159.27 455.39 60471.52 15:37:01 109.63 2.42 107.21 92.37 51955.08 15:38:01 97.83 20.25 77.59 749.48 6735.81 Average: 247.91 22.50 225.40 1029.30 71180.71 15:33:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:34:01 27825300 31171936 5113912 15.53 91484 3514612 2666808 8.10 1791088 2882852 207056 15:35:01 25590408 30755476 7348804 22.31 133688 5120072 3236836 9.83 2532724 4199748 431972 15:36:01 26154780 30981852 6784432 20.60 136820 4886020 2674356 8.12 2317756 3964340 0 15:37:01 24970604 30858904 7968608 24.19 181100 5854892 3498888 10.62 2660028 4738320 856 15:38:01 24577436 30774252 8361776 25.39 194516 6117092 3583516 10.88 2777324 4980092 159024 Average: 25823706 30908484 7115506 21.60 147522 5098538 3132081 9.51 2415784 4153070 159782 15:33:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:34:01 docker0 44.55 52.01 3.98 14.29 0.00 0.00 0.00 0.00 15:34:01 vethf5b6b500 0.12 0.64 0.01 0.05 0.00 0.00 0.00 0.00 15:34:01 cni0 0.47 0.12 0.03 0.01 0.00 0.00 0.44 0.00 15:34:01 vethc1ad47f2 0.08 0.14 0.01 0.01 0.00 0.00 0.00 0.00 15:35:01 vethc3964b01 4.57 4.08 0.91 2.35 0.00 0.00 0.00 0.00 15:35:01 docker0 89.45 162.86 7.14 1592.40 0.00 0.00 0.00 0.00 15:35:01 vethf5b6b500 0.47 0.97 0.09 0.18 0.00 0.00 0.00 0.00 15:35:01 cni0 51.67 48.17 47.55 123.64 0.00 0.00 0.50 0.00 15:36:01 vethc3964b01 1.40 1.57 0.11 0.17 0.00 0.00 0.00 0.00 15:36:01 docker0 4.57 5.73 0.33 18.91 0.00 0.00 0.00 0.00 15:36:01 vethf5b6b500 0.12 0.17 0.01 0.01 0.00 0.00 0.00 0.00 15:36:01 cni0 11.83 13.20 3.01 2.17 0.00 0.00 0.08 0.00 15:37:01 vethc3964b01 1.60 1.78 0.13 0.39 0.00 0.00 0.00 0.00 15:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:37:01 vethf5b6b500 0.13 0.27 0.01 0.03 0.00 0.00 0.00 0.00 15:37:01 cni0 12.36 13.60 3.06 2.67 0.00 0.00 0.13 0.00 15:38:01 vethc3964b01 1.40 1.52 0.11 0.33 0.00 0.00 0.00 0.00 15:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:38:01 vethf5b6b500 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:38:01 cni0 12.00 13.18 3.03 2.42 0.00 0.00 0.02 0.00 Average: vethc3964b01 1.80 1.80 0.25 0.65 0.00 0.00 0.00 0.00 Average: docker0 27.66 44.10 2.28 326.19 0.00 0.00 0.00 0.00 Average: vethf5b6b500 0.19 0.43 0.02 0.06 0.00 0.00 0.00 0.00 Average: cni0 17.72 17.71 11.38 26.27 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1248) 03/11/26 _x86_64_ (8 CPU) 15:32:27 LINUX RESTART (8 CPU) 15:33:02 CPU %user %nice %system %iowait %steal %idle 15:34:01 all 11.95 0.83 4.20 5.06 0.06 77.90 15:34:01 0 12.38 3.45 4.73 5.41 0.07 73.95 15:34:01 1 9.64 0.00 3.97 3.00 0.05 83.34 15:34:01 2 10.63 1.59 4.32 2.03 0.05 81.38 15:34:01 3 12.36 0.00 4.32 2.85 0.09 80.38 15:34:01 4 9.22 1.58 4.28 11.68 0.07 73.15 15:34:01 5 9.90 0.00 4.20 8.00 0.05 77.85 15:34:01 6 19.17 0.00 3.88 2.34 0.05 74.55 15:34:01 7 12.26 0.00 3.85 5.22 0.05 78.63 15:35:01 all 46.25 0.00 6.94 2.89 0.09 43.83 15:35:01 0 41.79 0.00 5.76 1.00 0.08 51.38 15:35:01 1 47.33 0.00 6.61 4.72 0.08 41.24 15:35:01 2 48.36 0.00 6.66 3.20 0.08 41.70 15:35:01 3 44.43 0.00 7.32 2.52 0.10 45.63 15:35:01 4 53.13 0.00 7.69 3.73 0.10 35.36 15:35:01 5 44.54 0.00 7.45 3.04 0.08 44.89 15:35:01 6 45.37 0.00 7.11 1.45 0.10 45.97 15:35:01 7 45.08 0.00 6.93 3.42 0.08 44.48 15:36:01 all 40.57 0.21 6.84 1.66 0.09 50.62 15:36:01 0 36.31 0.00 7.19 0.27 0.08 56.15 15:36:01 1 39.11 0.00 7.00 1.77 0.10 52.02 15:36:01 2 43.70 0.00 6.63 1.36 0.10 48.21 15:36:01 3 41.41 0.00 6.74 0.07 0.07 51.72 15:36:01 4 43.59 0.00 6.84 0.67 0.08 48.82 15:36:01 5 38.72 0.00 6.17 3.58 0.10 51.42 15:36:01 6 39.92 1.72 6.48 4.88 0.08 46.92 15:36:01 7 41.78 0.00 7.64 0.71 0.10 49.77 15:37:01 all 6.66 0.00 3.68 3.04 0.08 86.54 15:37:01 0 7.47 0.00 3.47 1.36 0.08 87.61 15:37:01 1 6.80 0.00 3.07 2.58 0.08 87.47 15:37:01 2 6.52 0.00 3.74 11.71 0.08 77.94 15:37:01 3 8.71 0.00 3.95 4.27 0.08 82.99 15:37:01 4 6.31 0.00 3.27 0.40 0.08 89.93 15:37:01 5 5.50 0.00 3.00 0.46 0.08 90.96 15:37:01 6 5.15 0.00 4.51 3.48 0.07 86.78 15:37:01 7 6.79 0.00 4.45 0.10 0.07 88.59 15:38:01 all 10.08 0.00 1.28 2.51 0.07 86.06 15:38:01 0 5.65 0.00 1.25 5.23 0.07 87.79 15:38:01 1 4.51 0.00 0.89 0.40 0.07 94.14 15:38:01 2 4.76 0.00 0.94 0.72 0.07 93.51 15:38:01 3 14.91 0.00 1.34 1.25 0.05 82.45 15:38:01 4 16.89 0.00 1.52 2.59 0.07 78.93 15:38:01 5 11.39 0.00 1.39 1.19 0.07 85.97 15:38:01 6 15.37 0.00 1.71 8.20 0.07 74.66 15:38:01 7 7.13 0.00 1.27 0.47 0.07 91.07 Average: all 23.11 0.21 4.59 3.03 0.08 68.99 Average: 0 20.70 0.68 4.47 2.65 0.08 71.42 Average: 1 21.47 0.00 4.30 2.49 0.08 71.66 Average: 2 22.83 0.31 4.46 3.81 0.08 68.52 Average: 3 24.38 0.00 4.73 2.19 0.08 68.62 Average: 4 25.88 0.31 4.72 3.78 0.08 65.24 Average: 5 22.04 0.00 4.44 3.24 0.08 70.20 Average: 6 24.99 0.34 4.74 4.08 0.07 65.77 Average: 7 22.62 0.00 4.83 1.97 0.07 70.51