---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3266 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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/2f46cc9509ef2bec97441c58835a11d317b29327d5cc7d87de98e1ccc6ced057/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/20bbbe7212b40d6fa441e7c54747c74cad29f0758f8e68069f6e31a7e7522c5c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ec30369391bfce3835b9c7ef1589358ba0c4427cdab520c09a12488eb58cd1d5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a6c1a820e0dcfd9475aed91d48d35de7e674e5777d2ec5fc52fcee8cec14e291/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a4eea5ea3763a5a7af4bea491a38d2a7529e91ef1f3d8ac5d5a4950e93bd48be/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1503 24236 1 6427 30206 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:8d:1e:5b brd ff:ff:ff:ff:ff:ff inet 10.30.106.249/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fe8d:1e5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fb:48:55:b8 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:fbff:fe48:55b8/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether b6:b9:b3:3f:2f:d6 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::b4b9:b3ff:fe3f:2fd6/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 42:ed:d1:a8:78:05 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::40ed:d1ff:fea8:7805/64 scope link valid_lft forever preferred_lft forever 6: vethfb6723e4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:c0:5c:61:29:50 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::fcc0:5cff:fe61:2950/64 scope link valid_lft forever preferred_lft forever 8: vethfa3b4004@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8e:fd:95:76:fc:85 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::8cfd:95ff:fe76:fc85/64 scope link valid_lft forever preferred_lft forever 10: veth2189c7d7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c6:77:61:43:cb:12 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::c477:61ff:fe43:cb12/64 scope link valid_lft forever preferred_lft forever 11: vethdf406c55@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:b7:f6:bd:e5:e8 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::fcb7:f6ff:febd:e5e8/64 scope link valid_lft forever preferred_lft forever 12: vethc6e4d7c6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 72:4c:5d:8e:70:f5 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::704c:5dff:fe8e:70f5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3266) 11/02/26 _x86_64_ (8 CPU) 09:39:58 LINUX RESTART (8 CPU) 09:40:01 tps rtps wtps bread/s bwrtn/s 09:41:01 343.05 89.24 253.82 5445.12 111238.12 09:42:01 372.69 47.60 325.09 2883.04 155955.08 09:43:01 151.29 0.00 151.29 0.00 59385.04 09:44:01 163.21 3.88 159.32 537.51 103026.30 09:45:01 108.13 20.48 87.65 776.00 12716.01 Average: 227.68 32.24 195.44 1928.48 88467.12 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:41:01 30182904 31716020 2756316 8.37 44620 1806196 1759884 5.34 1094356 1385796 313936 09:42:01 26053892 30855168 6885328 20.90 122016 4775808 3547088 10.77 2530832 3746852 1106344 09:43:01 24603712 30858176 8335508 25.31 126376 6167608 3554940 10.79 3289672 4382040 1113656 09:44:01 25548328 31007524 7390892 22.44 131560 5478064 3370704 10.23 2319028 4518896 61300 09:45:01 25001564 30915644 7937656 24.10 143560 5884076 3432264 10.42 2527144 4815000 189548 Average: 26278080 31070506 6661140 20.22 113626 4822350 3132976 9.51 2352206 3769717 556957 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:41:01 lo 2.77 2.77 0.30 0.30 0.00 0.00 0.00 0.00 09:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 ens3 243.62 179.06 1337.87 69.84 0.00 0.00 0.00 0.00 09:42:01 vethfb6723e4 6.63 8.53 2.02 2.42 0.00 0.00 0.00 0.00 09:42:01 vethc6e4d7c6 3.53 3.42 0.59 1.39 0.00 0.00 0.00 0.00 09:42:01 lo 221.49 221.49 171.99 171.99 0.00 0.00 0.00 0.00 09:42:01 veth316af6c 152.33 245.08 13.72 1503.06 0.00 0.00 0.00 0.12 09:43:01 vethfb6723e4 6.77 7.97 2.02 0.94 0.00 0.00 0.00 0.00 09:43:01 vethc6e4d7c6 1.47 1.65 0.12 0.20 0.00 0.00 0.00 0.00 09:43:01 lo 12.11 12.11 3.71 3.71 0.00 0.00 0.00 0.00 09:43:01 veth316af6c 0.70 0.72 0.08 0.46 0.00 0.00 0.00 0.00 09:44:01 vethfb6723e4 7.08 8.40 2.13 0.98 0.00 0.00 0.00 0.00 09:44:01 vethc6e4d7c6 1.50 1.55 0.13 0.19 0.00 0.00 0.00 0.00 09:44:01 lo 21.08 21.08 6.07 6.07 0.00 0.00 0.00 0.00 09:44:01 docker0 153.11 245.76 11.71 1503.77 0.00 0.00 0.00 0.00 09:45:01 vethfb6723e4 7.28 8.42 2.15 1.18 0.00 0.00 0.00 0.00 09:45:01 vethc6e4d7c6 1.55 1.78 0.13 0.41 0.00 0.00 0.00 0.00 09:45:01 lo 41.24 41.24 15.91 15.91 0.00 0.00 0.00 0.00 09:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethfb6723e4 5.55 6.66 1.66 1.10 0.00 0.00 0.00 0.00 Average: vethc6e4d7c6 1.61 1.68 0.19 0.44 0.00 0.00 0.00 0.00 Average: lo 59.74 59.74 39.60 39.60 0.00 0.00 0.00 0.00 Average: docker0 30.62 49.15 2.34 300.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3266) 11/02/26 _x86_64_ (8 CPU) 09:39:58 LINUX RESTART (8 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:41:01 all 6.33 0.84 1.66 5.89 0.01 85.27 09:41:01 0 7.86 0.00 1.34 0.83 0.00 89.97 09:41:01 1 3.35 0.00 2.46 10.08 0.00 84.12 09:41:01 2 3.66 3.34 2.03 5.42 0.00 85.55 09:41:01 3 6.34 0.00 1.64 6.34 0.02 85.67 09:41:01 4 12.27 0.03 2.10 0.23 0.02 85.34 09:41:01 5 4.22 2.02 1.45 13.17 0.00 79.13 09:41:01 6 7.63 0.00 1.04 1.29 0.00 90.04 09:41:01 7 5.35 1.32 1.24 9.76 0.00 82.34 09:42:01 all 28.71 0.02 7.06 3.67 0.01 60.53 09:42:01 0 27.00 0.00 7.19 6.24 0.02 59.55 09:42:01 1 28.72 0.00 6.39 3.38 0.00 61.51 09:42:01 2 27.77 0.00 6.97 1.42 0.02 63.82 09:42:01 3 30.37 0.00 7.03 5.15 0.03 57.42 09:42:01 4 29.36 0.00 6.89 1.72 0.00 62.02 09:42:01 5 29.38 0.00 7.38 4.00 0.02 59.22 09:42:01 6 28.75 0.00 6.82 4.89 0.02 59.52 09:42:01 7 28.35 0.19 7.78 2.49 0.02 61.17 09:43:01 all 55.38 0.00 7.45 0.38 0.01 36.78 09:43:01 0 60.91 0.00 7.61 0.35 0.02 31.11 09:43:01 1 53.35 0.00 7.15 0.22 0.02 39.26 09:43:01 2 58.87 0.00 7.33 0.00 0.02 33.79 09:43:01 3 52.10 0.00 8.24 1.18 0.02 38.47 09:43:01 4 54.76 0.00 7.87 0.59 0.02 36.76 09:43:01 5 54.20 0.00 7.71 0.08 0.00 38.00 09:43:01 6 53.30 0.00 6.45 0.45 0.00 39.80 09:43:01 7 55.49 0.00 7.28 0.20 0.00 37.03 09:44:01 all 15.92 0.18 4.80 1.44 0.01 77.65 09:44:01 0 20.49 1.44 6.05 0.28 0.02 71.73 09:44:01 1 14.02 0.00 3.86 0.15 0.02 81.95 09:44:01 2 15.70 0.00 4.24 0.07 0.00 79.99 09:44:01 3 16.73 0.00 5.29 0.13 0.00 77.85 09:44:01 4 15.69 0.00 4.66 2.09 0.00 77.56 09:44:01 5 13.32 0.00 4.54 4.10 0.00 78.03 09:44:01 6 16.95 0.00 4.78 2.68 0.02 75.57 09:44:01 7 14.43 0.00 4.98 2.00 0.02 78.57 09:45:01 all 10.12 0.00 1.53 0.65 0.01 87.69 09:45:01 0 12.05 0.00 1.70 0.32 0.00 85.93 09:45:01 1 16.81 0.00 1.88 0.40 0.00 80.91 09:45:01 2 4.38 0.00 1.55 0.08 0.00 93.98 09:45:01 3 15.91 0.00 1.72 0.58 0.02 81.77 09:45:01 4 9.21 0.00 1.39 0.55 0.02 88.83 09:45:01 5 5.47 0.00 1.43 1.59 0.02 91.49 09:45:01 6 8.03 0.00 1.22 0.20 0.00 90.55 09:45:01 7 9.09 0.00 1.33 1.49 0.02 88.07 Average: all 23.28 0.21 4.50 2.41 0.01 69.60 Average: 0 25.63 0.29 4.77 1.60 0.01 67.70 Average: 1 23.29 0.00 4.35 2.84 0.01 69.51 Average: 2 22.06 0.67 4.42 1.40 0.01 71.45 Average: 3 24.25 0.00 4.77 2.68 0.02 68.28 Average: 4 24.26 0.01 4.58 1.03 0.01 70.11 Average: 5 21.29 0.41 4.50 4.60 0.01 69.20 Average: 6 22.91 0.00 4.05 1.89 0.01 71.13 Average: 7 22.53 0.30 4.52 3.20 0.01 69.44