---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1994 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/eb0a826426f4fcd7772f1a8a172987eb8e73310a7ffa28adabe3c6080984b2ae/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/387047a0781e5e4500d87e8628b4810e68239af0eb0da84f747bc8d2a81b2d72/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/91cb459940c98af2fee4411c6092530aea326a8ec17ac6e7885a900dc9b10e21/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d2802dd2771e43a1a78df00865e7eea282c0678b65ab5c3933f8bd4d52b09d6d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e35ec822dcaa5b4d4e512a816cb8646d97afc8d57c35b7f2ae5822d6a5d71ca4/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1508 24230 1 6428 30202 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:a2:7e:62 brd ff:ff:ff:ff:ff:ff inet 10.30.107.178/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86006sec preferred_lft 86006sec inet6 fe80::f816:3eff:fea2:7e62/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5c:1e:b8:1c 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::42:5cff:fe1e:b81c/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 9a:fe:8f:b8:4f:00 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::98fe:8fff:feb8:4f00/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 5e:fd:43:f5:43:2d 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::5cfd:43ff:fef5:432d/64 scope link valid_lft forever preferred_lft forever 6: veth6d25348f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ca:bb:c2:46:2a:46 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c8bb:c2ff:fe46:2a46/64 scope link valid_lft forever preferred_lft forever 7: veth13e4db37@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:d5:8e:56:f9:22 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::64d5:8eff:fe56:f922/64 scope link valid_lft forever preferred_lft forever 10: veth2f886168@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 16:80:b2:38:33:aa brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::1480:b2ff:fe38:33aa/64 scope link valid_lft forever preferred_lft forever 13: veth4e52d0dd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:2b:eb:e6:35:8b brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c2b:ebff:fee6:358b/64 scope link valid_lft forever preferred_lft forever 14: veth136332c1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:f4:80:a4:b8:05 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::20f4:80ff:fea4:b805/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1994) 11/02/26 _x86_64_ (8 CPU) 09:30:13 LINUX RESTART (8 CPU) 09:31:02 tps rtps wtps bread/s bwrtn/s 09:32:01 427.72 127.14 300.58 7045.21 55576.01 09:33:01 246.14 2.95 243.19 357.54 72842.26 09:34:01 65.64 0.02 65.63 0.13 45004.73 09:35:01 175.40 3.43 171.97 471.79 101569.87 09:36:01 104.37 20.73 83.64 810.93 16334.02 Average: 203.11 30.53 172.57 1719.46 58272.44 09:31:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:01 27939232 31146060 4999988 15.18 71492 3401520 2705380 8.21 1816336 2763912 869164 09:33:01 25451912 30778596 7487308 22.73 124320 5279220 3606948 10.95 2879100 3979076 927860 09:34:01 24276120 31051344 8663100 26.30 126924 6671352 2760264 8.38 3344196 4635340 1376932 09:35:01 25498832 30897812 7440388 22.59 132100 5417900 3326456 10.10 2421352 4464184 644 09:36:01 25102976 30965352 7836244 23.79 142456 5838688 3341460 10.14 2473260 4771348 157080 Average: 25653814 30967833 7285406 22.12 119458 5321736 3148102 9.56 2586849 4122772 666336 09:31:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:01 lo 188.24 188.24 122.35 122.35 0.00 0.00 0.00 0.00 09:32:01 veth6d25348f 0.49 1.17 0.09 0.19 0.00 0.00 0.00 0.00 09:32:01 veth2f886168 1.08 1.44 0.13 0.37 0.00 0.00 0.00 0.00 09:32:01 cni0 15.22 12.74 9.42 23.80 0.00 0.00 0.51 0.00 09:33:01 lo 49.53 49.53 54.92 54.92 0.00 0.00 0.00 0.00 09:33:01 veth6d25348f 0.18 0.62 0.01 0.05 0.00 0.00 0.00 0.00 09:33:01 veth2f886168 2.82 3.47 0.26 0.45 0.00 0.00 0.00 0.00 09:33:01 cni0 27.80 28.60 12.39 69.43 0.00 0.00 0.45 0.00 09:34:01 lo 11.71 11.71 3.65 3.65 0.00 0.00 0.00 0.00 09:34:01 veth6d25348f 0.12 0.15 0.01 0.02 0.00 0.00 0.00 0.00 09:34:01 veth2f886168 3.00 3.30 0.28 0.29 0.00 0.00 0.00 0.00 09:34:01 cni0 11.68 13.13 2.38 1.46 0.00 0.00 0.05 0.00 09:35:01 lo 17.48 17.48 4.58 4.58 0.00 0.00 0.00 0.00 09:35:01 veth6d25348f 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 09:35:01 veth2f886168 3.03 3.42 0.28 0.29 0.00 0.00 0.00 0.00 09:35:01 cni0 11.86 13.40 2.39 1.48 0.00 0.00 0.07 0.00 09:36:01 lo 43.60 43.60 17.10 17.10 0.00 0.00 0.00 0.00 09:36:01 veth6d25348f 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 09:36:01 veth2f886168 3.15 3.45 0.29 0.40 0.00 0.00 0.00 0.00 09:36:01 cni0 12.20 13.55 2.42 1.99 0.00 0.00 0.10 0.00 Average: lo 61.69 61.69 40.25 40.25 0.00 0.00 0.00 0.00 Average: veth6d25348f 0.21 0.46 0.03 0.06 0.00 0.00 0.00 0.00 Average: veth2f886168 2.62 3.02 0.25 0.36 0.00 0.00 0.00 0.00 Average: cni0 15.75 16.29 5.79 19.62 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1994) 11/02/26 _x86_64_ (8 CPU) 09:30:13 LINUX RESTART (8 CPU) 09:31:02 CPU %user %nice %system %iowait %steal %idle 09:32:01 all 14.16 0.84 4.30 4.47 0.01 76.21 09:32:01 0 10.71 2.22 3.83 2.80 0.03 80.40 09:32:01 1 13.61 0.00 4.79 3.50 0.02 78.08 09:32:01 2 12.18 0.02 4.51 10.44 0.02 72.84 09:32:01 3 17.45 0.00 4.23 1.81 0.00 76.51 09:32:01 4 17.26 1.53 4.68 8.30 0.02 68.21 09:32:01 5 11.27 2.93 3.83 2.02 0.02 79.93 09:32:01 6 13.23 0.00 4.58 3.52 0.02 78.66 09:32:01 7 17.59 0.00 3.94 3.37 0.00 75.10 09:33:01 all 42.22 0.00 6.40 4.56 0.01 46.81 09:33:01 0 43.97 0.00 6.93 1.40 0.00 47.70 09:33:01 1 42.16 0.00 6.33 3.22 0.00 48.29 09:33:01 2 43.05 0.00 6.84 13.98 0.02 36.11 09:33:01 3 42.44 0.00 6.46 3.01 0.02 48.06 09:33:01 4 41.25 0.00 6.13 4.55 0.02 48.05 09:33:01 5 40.95 0.00 6.32 1.49 0.02 51.22 09:33:01 6 42.72 0.00 5.90 1.60 0.03 49.75 09:33:01 7 41.22 0.00 6.26 7.22 0.02 45.28 09:34:01 all 52.13 0.00 9.13 0.76 0.02 37.96 09:34:01 0 49.93 0.00 8.48 0.05 0.02 41.52 09:34:01 1 54.71 0.00 9.07 0.08 0.02 36.12 09:34:01 2 48.94 0.00 9.13 0.08 0.02 41.84 09:34:01 3 51.94 0.00 9.15 0.02 0.02 38.88 09:34:01 4 54.10 0.00 9.90 0.70 0.02 35.28 09:34:01 5 53.80 0.00 9.62 2.10 0.02 34.46 09:34:01 6 52.61 0.00 8.69 2.95 0.00 35.74 09:34:01 7 51.10 0.00 8.99 0.07 0.02 39.82 09:35:01 all 8.36 0.24 3.98 4.07 0.01 83.33 09:35:01 0 7.40 1.94 4.85 13.91 0.03 71.87 09:35:01 1 14.70 0.00 3.52 0.79 0.02 80.97 09:35:01 2 7.30 0.00 3.60 6.59 0.02 82.49 09:35:01 3 7.37 0.00 3.86 1.66 0.02 87.09 09:35:01 4 8.47 0.00 4.11 3.66 0.02 83.75 09:35:01 5 8.41 0.00 4.55 1.61 0.00 85.43 09:35:01 6 6.62 0.00 4.11 4.18 0.03 85.06 09:35:01 7 6.64 0.00 3.28 0.25 0.00 89.84 09:36:01 all 9.85 0.00 1.71 0.90 0.01 87.53 09:36:01 0 2.23 0.00 1.48 0.05 0.00 96.23 09:36:01 1 5.51 0.00 1.61 1.39 0.02 91.47 09:36:01 2 14.04 0.00 1.95 0.78 0.02 83.21 09:36:01 3 26.93 0.00 2.18 0.35 0.03 70.51 09:36:01 4 9.03 0.00 1.73 1.85 0.00 87.40 09:36:01 5 7.57 0.00 1.69 1.81 0.02 88.92 09:36:01 6 10.29 0.00 1.67 0.76 0.00 87.27 09:36:01 7 3.25 0.00 1.29 0.22 0.02 95.23 Average: all 25.36 0.21 5.10 2.94 0.02 66.36 Average: 0 22.89 0.83 5.12 3.63 0.02 67.52 Average: 1 26.16 0.00 5.06 1.79 0.01 66.97 Average: 2 25.13 0.00 5.20 6.34 0.02 63.31 Average: 3 29.26 0.00 5.18 1.37 0.02 64.18 Average: 4 26.04 0.30 5.31 3.80 0.01 64.53 Average: 5 24.42 0.58 5.20 1.81 0.01 67.98 Average: 6 25.10 0.00 4.98 2.59 0.02 67.31 Average: 7 23.91 0.00 4.75 2.21 0.01 69.12