---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1349 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: 2799.974 BogoMIPS: 5599.94 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 1598 23980 2 6588 30111 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:67:c4:c2 brd ff:ff:ff:ff:ff:ff inet 10.30.106.47/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe67:c4c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a0:37:93:b4 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:a0ff:fe37:93b4/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 76:7c:2d:9d:ba:9f 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::747c:2dff:fe9d:ba9f/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 76:1c:ac:6f:5f:4d 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::741c:acff:fe6f:5f4d/64 scope link valid_lft forever preferred_lft forever 8: veth4223008a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 32:ee:44:35:db:1e brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::30ee:44ff:fe35:db1e/64 scope link valid_lft forever preferred_lft forever 9: veth6ac7d739@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 26:f6:44:13:0a:52 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::24f6:44ff:fe13:a52/64 scope link valid_lft forever preferred_lft forever 10: vethf918aecb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 52:97:cd:c0:f9:74 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5097:cdff:fec0:f974/64 scope link valid_lft forever preferred_lft forever 13: veth1d981265@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether b6:4b:8c:65:6d:2c brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::b44b:8cff:fe65:6d2c/64 scope link valid_lft forever preferred_lft forever 14: vethccfb4a81@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0e:e1:48:7a:17:ea brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::ce1:48ff:fe7a:17ea/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-1349) 03/12/26 _x86_64_ (8 CPU) 06:43:00 LINUX RESTART (8 CPU) 06:44:01 tps rtps wtps bread/s bwrtn/s 06:45:01 585.72 47.70 538.02 2930.36 179512.70 06:46:01 58.19 0.02 58.17 0.13 25498.82 06:47:01 179.60 5.15 174.45 529.65 92213.83 06:48:01 108.00 20.61 87.39 756.14 12515.91 Average: 232.89 18.37 214.52 1054.15 77439.57 06:44:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:45:01 26166268 30915860 6772952 20.56 131936 4728292 3633936 11.03 2447228 3735140 459192 06:46:01 24880464 30911020 8058756 24.47 136116 5951480 3720912 11.30 3110496 4302140 957156 06:47:01 25345196 30910892 7594024 23.05 153064 5570100 3663364 11.12 2550104 4493256 2108 06:48:01 24649600 30795556 8289620 25.17 192152 6076188 3587480 10.89 2755684 4940500 161656 Average: 25260382 30883332 7678838 23.31 153317 5581515 3651423 11.09 2715878 4367759 395028 06:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:45:01 vethccfb4a81 4.18 3.47 0.89 2.16 0.00 0.00 0.00 0.00 06:45:01 cni0 47.72 42.84 46.24 122.49 0.00 0.00 0.82 0.00 06:45:01 veth6ac7d739 0.47 1.35 0.09 0.21 0.00 0.00 0.00 0.00 06:45:01 vethf918aecb 4.60 6.15 1.83 2.54 0.00 0.00 0.00 0.00 06:46:01 vethccfb4a81 1.50 1.67 0.12 0.34 0.00 0.00 0.00 0.00 06:46:01 cni0 11.01 12.46 2.79 2.27 0.00 0.00 0.13 0.00 06:46:01 veth6ac7d739 0.10 0.20 0.01 0.02 0.00 0.00 0.00 0.00 06:46:01 vethf918aecb 6.72 7.95 2.56 1.68 0.00 0.00 0.00 0.00 06:47:01 vethccfb4a81 1.37 1.53 0.11 0.17 0.00 0.00 0.00 0.00 06:47:01 cni0 11.86 13.35 3.02 2.18 0.00 0.00 0.08 0.00 06:47:01 veth6ac7d739 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 06:47:01 vethf918aecb 7.35 8.53 2.79 1.72 0.00 0.00 0.00 0.00 06:48:01 vethccfb4a81 1.70 1.90 0.13 0.57 0.00 0.00 0.00 0.00 06:48:01 cni0 12.48 13.78 3.07 2.93 0.00 0.00 0.10 0.00 06:48:01 veth6ac7d739 0.08 0.18 0.01 0.02 0.00 0.00 0.00 0.00 06:48:01 vethf918aecb 7.48 8.57 2.80 1.97 0.00 0.00 0.00 0.00 Average: vethccfb4a81 2.19 2.14 0.31 0.81 0.00 0.00 0.00 0.00 Average: cni0 20.77 20.61 13.78 32.47 0.00 0.00 0.28 0.00 Average: veth6ac7d739 0.20 0.48 0.03 0.07 0.00 0.00 0.00 0.00 Average: vethf918aecb 6.54 7.80 2.49 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1349) 03/12/26 _x86_64_ (8 CPU) 06:43:00 LINUX RESTART (8 CPU) 06:44:01 CPU %user %nice %system %iowait %steal %idle 06:45:01 all 24.93 0.00 6.64 3.84 0.09 64.50 06:45:01 0 25.24 0.00 6.46 2.05 0.08 66.17 06:45:01 1 24.23 0.00 5.83 5.16 0.07 64.70 06:45:01 2 26.19 0.00 6.28 3.73 0.08 63.71 06:45:01 3 25.35 0.00 6.49 2.26 0.10 65.80 06:45:01 4 24.68 0.00 6.71 6.24 0.10 62.26 06:45:01 5 24.38 0.00 6.72 3.29 0.08 65.53 06:45:01 6 23.95 0.00 6.94 2.51 0.12 66.48 06:45:01 7 25.41 0.00 7.65 5.55 0.07 61.33 06:46:01 all 56.21 0.00 7.43 0.18 0.09 36.09 06:46:01 0 53.87 0.00 7.79 0.13 0.10 38.11 06:46:01 1 55.53 0.00 7.69 0.00 0.10 36.68 06:46:01 2 59.10 0.00 7.47 0.10 0.08 33.25 06:46:01 3 57.89 0.00 7.35 0.00 0.10 34.65 06:46:01 4 56.12 0.00 6.90 0.00 0.08 36.90 06:46:01 5 53.01 0.00 7.65 1.13 0.10 38.11 06:46:01 6 55.82 0.00 7.50 0.00 0.07 36.61 06:46:01 7 58.35 0.00 7.16 0.00 0.08 34.41 06:47:01 all 10.29 0.20 4.37 1.14 0.08 83.91 06:47:01 0 8.61 0.00 3.93 0.08 0.07 87.31 06:47:01 1 11.69 1.63 5.18 1.93 0.10 79.47 06:47:01 2 8.82 0.00 4.25 1.20 0.08 85.65 06:47:01 3 14.87 0.00 3.79 4.83 0.08 76.43 06:47:01 4 7.88 0.00 5.15 0.25 0.08 86.64 06:47:01 5 9.75 0.00 3.75 0.45 0.08 85.96 06:47:01 6 9.74 0.00 4.20 0.32 0.08 85.66 06:47:01 7 10.97 0.00 4.64 0.07 0.08 84.24 06:48:01 all 9.16 0.00 1.93 0.55 0.08 88.28 06:48:01 0 12.11 0.00 1.89 0.62 0.10 85.28 06:48:01 1 7.73 0.00 1.98 0.32 0.08 89.89 06:48:01 2 7.28 0.00 2.31 0.69 0.07 89.65 06:48:01 3 7.41 0.00 1.92 0.47 0.08 90.11 06:48:01 4 14.00 0.00 2.61 0.25 0.07 83.07 06:48:01 5 7.05 0.00 1.34 1.17 0.07 90.37 06:48:01 6 4.54 0.00 1.57 0.05 0.08 93.76 06:48:01 7 13.16 0.00 1.83 0.86 0.08 84.07 Average: all 25.13 0.05 5.09 1.43 0.09 68.22 Average: 0 24.97 0.00 5.02 0.73 0.09 69.19 Average: 1 24.79 0.41 5.17 1.85 0.09 67.69 Average: 2 25.35 0.00 5.08 1.43 0.08 68.07 Average: 3 26.36 0.00 4.88 1.89 0.09 66.77 Average: 4 25.66 0.00 5.34 1.68 0.08 67.23 Average: 5 23.49 0.00 4.86 1.51 0.08 70.05 Average: 6 23.48 0.00 5.05 0.71 0.09 70.67 Average: 7 26.95 0.00 5.31 1.61 0.08 66.05