---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3289 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: 2800.000 BogoMIPS: 5600.00 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/7606da8159ac825ecf996b88302597b04efb0cb2242d1d4e175177c2aad5f50e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4ef0d3043460a2742da38cce6a8d9bc4ba55afc9176c8092080b3f4754537e2b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e778d386ae2008537aee7822cc08241d2726e4f1bb328c8b195d79df33dcbdc5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/69384a3b6dc2ed4ff9ea8617f5b05f6617324c359c828a20f6e141eb56947bfa/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a77aca79a574510bc8b0237a937548cadc5aa47576737907510e83e066551a24/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1516 24222 1 6428 30193 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:61:fa:0a brd ff:ff:ff:ff:ff:ff inet 10.30.106.40/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86066sec preferred_lft 86066sec inet6 fe80::f816:3eff:fe61:fa0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:96:e6:3e:eb 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::42:96ff:fee6:3eeb/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 86:17:95:99:a0:56 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::8417:95ff:fe99:a056/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 4a:dc:2f:8e:9f:ba 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::48dc:2fff:fe8e:9fba/64 scope link valid_lft forever preferred_lft forever 6: veth2b950f50@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3a:cc:74:2d:4d:5b brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::38cc:74ff:fe2d:4d5b/64 scope link valid_lft forever preferred_lft forever 7: veth9dda3fc7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:bf:86:0b:0b:c2 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::10bf:86ff:fe0b:bc2/64 scope link valid_lft forever preferred_lft forever 9: veth248cdc27@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b2:17:f2:fc:a6:42 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::b017:f2ff:fefc:a642/64 scope link valid_lft forever preferred_lft forever 13: veth1f7fb8e7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether aa:4c:66:15:19:57 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::a84c:66ff:fe15:1957/64 scope link valid_lft forever preferred_lft forever 14: vethaee46876@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:ed:ff:de:5e:65 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::18ed:ffff:fede:5e65/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3289) 11/02/26 _x86_64_ (8 CPU) 09:40:06 LINUX RESTART (8 CPU) 09:41:01 tps rtps wtps bread/s bwrtn/s 09:42:01 457.28 48.57 408.71 2950.88 175808.20 09:43:01 72.70 0.00 72.70 0.00 43584.74 09:44:01 163.92 3.37 160.56 457.66 103852.69 09:45:01 102.40 20.71 81.69 810.13 12309.28 Average: 199.09 18.16 180.92 1054.75 83892.56 09:41:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:42:01 26245760 30980160 6693460 20.32 121672 4713608 3414844 10.37 2369024 3718124 382844 09:43:01 24683184 30755896 8256036 25.06 126308 5995060 3736160 11.34 3301732 4294172 937924 09:44:01 25638180 31037324 7301040 22.17 132200 5416716 3125608 9.49 2285160 4460308 736 09:45:01 25046424 30940644 7892796 23.96 143292 5867240 3382720 10.27 2501568 4797724 173300 Average: 25403387 30928506 7535833 22.88 130868 5498156 3414833 10.37 2614371 4317582 373701 09:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:42:01 veth2b950f50 0.58 1.60 0.10 0.22 0.00 0.00 0.00 0.00 09:42:01 veth248cdc27 2.38 3.30 0.25 0.69 0.00 0.00 0.00 0.00 09:42:01 lo 221.79 221.79 169.99 169.99 0.00 0.00 0.00 0.00 09:42:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:43:01 veth2b950f50 0.15 0.23 0.01 0.02 0.00 0.00 0.00 0.00 09:43:01 veth248cdc27 2.95 3.28 0.27 0.28 0.00 0.00 0.00 0.00 09:43:01 lo 12.31 12.31 3.72 3.72 0.00 0.00 0.00 0.00 09:43:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:44:01 veth2b950f50 0.15 0.20 0.01 0.02 0.00 0.00 0.00 0.00 09:44:01 veth248cdc27 3.05 3.33 0.28 0.29 0.00 0.00 0.00 0.00 09:44:01 lo 17.95 17.95 4.49 4.49 0.00 0.00 0.00 0.00 09:44:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 veth2b950f50 0.13 0.22 0.01 0.02 0.00 0.00 0.00 0.00 09:45:01 veth248cdc27 3.18 3.42 0.29 0.40 0.00 0.00 0.00 0.00 09:45:01 lo 42.93 42.93 17.29 17.29 0.00 0.00 0.00 0.00 09:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2b950f50 0.25 0.56 0.03 0.07 0.00 0.00 0.00 0.00 Average: veth248cdc27 2.89 3.33 0.27 0.41 0.00 0.00 0.00 0.00 Average: lo 73.75 73.75 48.88 48.88 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3289) 11/02/26 _x86_64_ (8 CPU) 09:40:06 LINUX RESTART (8 CPU) 09:41:01 CPU %user %nice %system %iowait %steal %idle 09:42:01 all 28.30 0.40 7.29 4.39 0.02 59.60 09:42:01 0 26.61 0.00 7.65 6.33 0.02 59.40 09:42:01 1 28.14 0.00 7.01 2.05 0.02 62.78 09:42:01 2 27.84 0.00 7.47 1.74 0.02 62.94 09:42:01 3 29.90 0.00 6.69 6.19 0.02 57.20 09:42:01 4 32.20 3.20 7.17 2.07 0.03 55.32 09:42:01 5 24.87 0.00 8.04 8.09 0.02 58.99 09:42:01 6 29.86 0.00 6.73 3.74 0.02 59.66 09:42:01 7 26.97 0.00 7.60 4.88 0.02 60.53 09:43:01 all 55.29 0.00 7.58 0.29 0.03 36.81 09:43:01 0 53.69 0.00 7.53 0.00 0.02 38.76 09:43:01 1 56.20 0.00 7.35 1.41 0.03 35.01 09:43:01 2 56.93 0.00 7.90 0.03 0.03 35.10 09:43:01 3 54.79 0.00 7.74 0.42 0.02 37.03 09:43:01 4 52.58 0.00 6.99 0.07 0.02 40.34 09:43:01 5 55.90 0.00 7.68 0.27 0.02 36.13 09:43:01 6 54.65 0.00 7.37 0.12 0.02 37.85 09:43:01 7 57.60 0.00 8.06 0.02 0.03 34.28 09:44:01 all 21.64 0.20 5.67 1.44 0.02 71.03 09:44:01 0 20.24 1.56 5.20 0.08 0.02 72.90 09:44:01 1 19.71 0.00 5.98 5.05 0.02 69.24 09:44:01 2 20.17 0.00 5.25 0.39 0.02 74.18 09:44:01 3 20.63 0.00 5.52 0.55 0.03 73.26 09:44:01 4 24.69 0.00 7.24 1.03 0.02 67.02 09:44:01 5 21.44 0.00 5.15 1.98 0.02 71.41 09:44:01 6 24.65 0.00 5.90 2.09 0.02 67.35 09:44:01 7 21.58 0.00 5.12 0.37 0.02 72.91 09:45:01 all 9.72 0.00 1.59 0.66 0.01 88.01 09:45:01 0 12.74 0.00 2.09 1.34 0.02 83.81 09:45:01 1 2.92 0.00 1.12 0.27 0.02 95.67 09:45:01 2 10.39 0.00 1.63 0.42 0.02 87.54 09:45:01 3 19.16 0.00 1.74 1.15 0.00 77.94 09:45:01 4 4.69 0.00 1.39 0.17 0.02 93.73 09:45:01 5 11.82 0.00 1.31 1.02 0.02 85.84 09:45:01 6 5.37 0.00 1.77 0.15 0.02 92.68 09:45:01 7 10.65 0.00 1.67 0.75 0.02 86.90 Average: all 28.73 0.15 5.53 1.69 0.02 63.88 Average: 0 28.32 0.39 5.62 1.94 0.02 63.72 Average: 1 26.72 0.00 5.36 2.19 0.02 65.71 Average: 2 28.86 0.00 5.56 0.64 0.02 64.92 Average: 3 31.11 0.00 5.42 2.07 0.02 61.38 Average: 4 28.55 0.80 5.70 0.83 0.02 64.10 Average: 5 28.51 0.00 5.54 2.82 0.02 63.11 Average: 6 28.61 0.00 5.44 1.52 0.02 64.41 Average: 7 29.20 0.00 5.61 1.50 0.02 63.68