---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-787 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 1.8M 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 0 3.2G 0% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/465dddc05d0afc459d24645533273d205296437c216a0a15c75743951d9649e4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6f9b324856eb4dae1d794dc92c3a48c1298e4150055c70cb164a343ab6c0c815/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9e911877e997a4aa1e4112df7b0aa52187bffce5a786df2649f1e7e46cb2ebc9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c72f53889e6c88ce7304f5c88d6600ef8c71ee91d31dbeca5a6477ed12e396cd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2e43001adb1de43c18ad7f9771ee59b38305341cf784418cdf807234a8f79a0f/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1550 24181 1 6434 30159 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:55:f6:d1 brd ff:ff:ff:ff:ff:ff inet 10.30.107.2/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86080sec preferred_lft 86080sec inet6 fe80::f816:3eff:fe55:f6d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7f:f1:47:71 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::42:7fff:fef1:4771/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether b2:f6:48:72:ee:70 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::b0f6:48ff:fe72:ee70/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 6e:df:60:00:25:d5 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::6cdf:60ff:fe00:25d5/64 scope link valid_lft forever preferred_lft forever 8: veth821b0e31@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:cc:38:37:b2:84 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::d8cc:38ff:fe37:b284/64 scope link valid_lft forever preferred_lft forever 9: veth8958e8f7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:c3:be:61:48:84 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c3:beff:fe61:4884/64 scope link valid_lft forever preferred_lft forever 10: veth838b98bb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:5c:73:ca:ab:42 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::605c:73ff:feca:ab42/64 scope link valid_lft forever preferred_lft forever 13: vethfbdf5efc@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 06:93:ac:00:ec:e9 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::493:acff:fe00:ece9/64 scope link valid_lft forever preferred_lft forever 14: vetha9f23028@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:9c:f0:c1:25:c5 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::189c:f0ff:fec1:25c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-787) 08/03/26 _x86_64_ (8 CPU) 11:18:53 LINUX RESTART (8 CPU) 11:19:01 tps rtps wtps bread/s bwrtn/s 11:20:01 407.30 133.21 274.09 8004.53 140886.92 11:21:01 521.16 3.45 517.71 375.14 155809.77 11:22:01 130.00 3.07 126.93 415.66 45043.43 11:23:01 171.45 20.41 151.04 765.74 74462.39 11:24:01 98.43 1.30 97.13 84.65 10998.43 Average: 265.67 32.29 233.38 1929.15 85440.19 11:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 28939508 31292344 3999712 12.14 52840 2598400 2170276 6.59 1595860 2068644 434840 11:21:01 25693280 30907136 7245940 22.00 137912 5162480 3595704 10.92 2688556 3940220 851208 11:22:01 26902080 31036428 6037140 18.33 139960 4205832 2591308 7.87 2131020 3422248 105148 11:23:01 25243464 30901112 7695756 23.36 148516 5661500 3329868 10.11 2513520 4625436 33816 11:24:01 24791548 30910840 8147672 24.74 155332 6072388 3309608 10.05 2519476 5022788 242192 Average: 26313976 31009572 6625244 20.11 126912 4740120 2999353 9.11 2289686 3815867 333441 11:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 132.98 132.98 55.36 55.36 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 ens3 565.87 378.44 8038.18 84.90 0.00 0.00 0.00 0.00 11:21:01 veth8958e8f7 8.27 10.43 2.54 2.58 0.00 0.00 0.00 0.00 11:21:01 lo 98.00 98.00 118.61 118.61 0.00 0.00 0.00 0.00 11:21:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 vetha9f23028 5.47 4.87 1.10 1.90 0.00 0.00 0.00 0.00 11:22:01 veth8958e8f7 6.97 8.47 2.12 0.99 0.00 0.00 0.00 0.00 11:22:01 lo 12.28 12.28 3.74 3.74 0.00 0.00 0.00 0.00 11:22:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 vetha9f23028 1.50 1.57 0.13 0.19 0.00 0.00 0.00 0.00 11:23:01 veth8958e8f7 7.40 8.62 2.16 1.19 0.00 0.00 0.00 0.00 11:23:01 lo 44.61 44.61 17.42 17.42 0.00 0.00 0.00 0.00 11:23:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:23:01 vetha9f23028 1.68 1.85 0.14 0.41 0.00 0.00 0.00 0.00 11:24:01 veth8958e8f7 7.20 8.38 2.14 0.98 0.00 0.00 0.00 0.00 11:24:01 lo 20.30 20.30 4.94 4.94 0.00 0.00 0.00 0.00 11:24:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 vetha9f23028 1.50 1.57 0.13 0.19 0.00 0.00 0.00 0.00 Average: veth8958e8f7 5.97 7.18 1.79 1.15 0.00 0.00 0.00 0.00 Average: lo 61.63 61.63 40.01 40.01 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vetha9f23028 2.03 1.97 0.30 0.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-787) 08/03/26 _x86_64_ (8 CPU) 11:18:53 LINUX RESTART (8 CPU) 11:19:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 10.49 0.67 2.90 3.39 0.07 82.48 11:20:01 0 11.37 0.00 3.18 1.20 0.07 84.19 11:20:01 1 12.31 0.00 3.27 5.23 0.07 79.13 11:20:01 2 9.03 1.83 4.08 6.64 0.08 78.34 11:20:01 3 8.68 0.00 3.05 1.99 0.07 86.21 11:20:01 4 7.74 3.54 2.67 8.57 0.08 77.41 11:20:01 5 7.01 0.00 2.36 1.79 0.08 88.75 11:20:01 6 9.65 0.02 2.36 1.26 0.07 86.65 11:20:01 7 18.12 0.00 2.18 0.50 0.07 79.13 11:21:01 all 36.36 0.00 7.36 3.75 0.13 52.40 11:21:01 0 37.59 0.00 7.48 1.45 0.12 53.35 11:21:01 1 36.27 0.00 7.94 4.79 0.12 50.88 11:21:01 2 39.29 0.00 7.06 2.23 0.10 51.31 11:21:01 3 35.52 0.00 7.26 2.23 0.14 54.85 11:21:01 4 32.72 0.00 7.29 6.40 0.12 53.47 11:21:01 5 34.24 0.00 6.85 3.08 0.12 55.72 11:21:01 6 36.66 0.00 7.77 5.90 0.15 49.52 11:21:01 7 38.61 0.00 7.26 3.89 0.14 50.11 11:22:01 all 42.40 0.00 6.06 0.48 0.11 50.93 11:22:01 0 40.75 0.00 5.47 0.10 0.12 53.57 11:22:01 1 40.11 0.00 5.40 0.05 0.12 54.33 11:22:01 2 42.24 0.00 5.92 0.02 0.12 51.70 11:22:01 3 43.65 0.00 5.83 0.57 0.10 49.84 11:22:01 4 44.76 0.00 6.74 0.99 0.12 47.40 11:22:01 5 42.45 0.00 7.33 0.77 0.10 49.35 11:22:01 6 40.43 0.00 5.62 0.02 0.10 53.83 11:22:01 7 44.87 0.00 6.19 1.35 0.13 47.46 11:23:01 all 8.61 0.21 3.30 1.18 0.08 86.63 11:23:01 0 7.69 1.65 3.56 0.59 0.10 86.41 11:23:01 1 10.23 0.00 2.91 0.27 0.08 86.51 11:23:01 2 4.70 0.00 4.52 1.99 0.07 88.72 11:23:01 3 6.70 0.00 2.59 1.09 0.08 89.53 11:23:01 4 10.99 0.00 2.89 2.17 0.07 83.89 11:23:01 5 8.97 0.00 2.81 0.73 0.08 87.41 11:23:01 6 7.61 0.00 2.70 2.21 0.08 87.39 11:23:01 7 11.87 0.00 4.44 0.35 0.08 83.25 11:24:01 all 11.85 0.00 1.26 0.48 0.08 86.34 11:24:01 0 19.57 0.00 1.39 0.15 0.05 78.84 11:24:01 1 5.60 0.00 0.82 0.65 0.08 92.85 11:24:01 2 20.54 0.00 2.10 0.54 0.10 76.72 11:24:01 3 8.57 0.00 1.05 0.07 0.05 90.26 11:24:01 4 5.33 0.00 0.90 0.58 0.08 93.10 11:24:01 5 9.23 0.00 1.39 1.11 0.08 88.19 11:24:01 6 3.81 0.00 0.89 0.42 0.05 94.84 11:24:01 7 22.14 0.00 1.57 0.31 0.12 75.85 Average: all 21.90 0.18 4.17 1.85 0.09 71.81 Average: 0 23.38 0.33 4.21 0.70 0.09 71.30 Average: 1 20.85 0.00 4.06 2.19 0.09 72.81 Average: 2 23.15 0.37 4.73 2.28 0.09 69.37 Average: 3 20.58 0.00 3.95 1.19 0.09 74.20 Average: 4 20.25 0.71 4.08 3.74 0.09 71.13 Average: 5 20.35 0.00 4.14 1.49 0.09 73.92 Average: 6 19.56 0.00 3.86 1.95 0.09 74.54 Average: 7 27.07 0.00 4.32 1.27 0.11 67.24