---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6593 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/a72a5a1c14a429e545c052a0a480da9ce5cd4a71412a5a6d2315ad8070e0aa1b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/25571d513c063d95b9ae6da63a042552a4dae5e3c3fceb3d69ff849b397018e9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e05eab838074ded35276f1c9e6cec4f01f24d3fd7653f9469fe67621558570d0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/7399b04420c0530f71e80e12a846dc6d911548533a85df43cf4bbb155945753d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d6a94aa93f1b8c359339196b811f931ff7d7f43505fecdc94d52437bd3998032/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1489 24254 1 6423 30221 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:56:55:1b brd ff:ff:ff:ff:ff:ff inet 10.30.107.131/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fe56:551b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:59:39:f9:cc 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::42:59ff:fe39:f9cc/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 32:cf:94:89:f9:cc 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::30cf:94ff:fe89:f9cc/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 16:a0:33:ab:95:33 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::14a0:33ff:feab:9533/64 scope link valid_lft forever preferred_lft forever 8: vetha9a35aca@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:f1:c8:e4:f6:07 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::84f1:c8ff:fee4:f607/64 scope link valid_lft forever preferred_lft forever 9: vethc2b820ff@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:e6:86:59:22:37 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e6:86ff:fe59:2237/64 scope link valid_lft forever preferred_lft forever 10: vethd1a3f72e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:fb:66:a0:74:12 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::50fb:66ff:fea0:7412/64 scope link valid_lft forever preferred_lft forever 13: veth74cede78@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:21:a8:f3:4d:09 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::4421:a8ff:fef3:4d09/64 scope link valid_lft forever preferred_lft forever 14: veth7687a6ed@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:ad:ce:d1:65:39 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::50ad:ceff:fed1:6539/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6593) 10/30/26 _x86_64_ (8 CPU) 14:26:58 LINUX RESTART (8 CPU) 14:27:01 tps rtps wtps bread/s bwrtn/s 14:28:02 348.04 94.90 253.14 6161.11 120010.00 14:29:01 377.73 42.23 335.50 2242.87 167933.98 14:30:01 128.69 0.03 128.66 0.27 43543.22 14:31:01 168.89 3.67 165.22 500.18 103133.34 14:32:01 119.11 20.41 98.70 762.41 12586.57 Average: 227.99 32.21 195.78 1932.27 89177.42 14:27:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:28:02 30171044 31772648 2768168 8.40 45216 1875116 1368720 4.16 961848 1533536 354040 14:29:01 25990248 30881556 6948964 21.10 122624 4861256 3539416 10.75 2552280 3787332 939640 14:30:01 24626016 30918676 8313196 25.24 126300 6206980 3386100 10.28 3231328 4418540 1150732 14:31:01 25566860 31024856 7372352 22.38 131564 5475952 3356784 10.19 2303300 4512036 63368 14:32:01 25013596 30923160 7925616 24.06 143672 5880336 3429236 10.41 2522792 4809824 194716 Average: 26273553 31104179 6665659 20.24 113875 4859928 3016051 9.16 2314310 3812254 540499 14:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:28:02 ens3 425.75 318.03 2144.57 78.20 0.00 0.00 0.00 0.00 14:28:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:28:02 lo 2.63 2.63 0.28 0.28 0.00 0.00 0.00 0.00 14:29:01 ens3 699.95 418.23 10157.88 38.71 0.00 0.00 0.00 0.00 14:29:01 docker0 194.17 291.71 14.21 1529.24 0.00 0.00 0.00 0.00 14:29:01 veth74cede78 0.15 0.49 0.01 0.04 0.00 0.00 0.00 0.00 14:29:01 cni0 39.28 38.11 21.49 94.03 0.00 0.00 0.88 0.00 14:30:01 ens3 2.20 1.28 1.25 1.37 0.00 0.00 0.00 0.00 14:30:01 docker0 0.68 0.67 0.07 0.46 0.00 0.00 0.00 0.00 14:30:01 veth74cede78 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 14:30:01 cni0 11.53 12.98 2.33 1.45 0.00 0.00 0.08 0.00 14:31:01 ens3 275.55 151.92 5686.05 14.05 0.00 0.00 0.00 0.00 14:31:01 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 14:31:01 veth1490b438 0.07 0.07 0.00 0.01 0.00 0.00 0.00 0.00 14:31:01 veth74cede78 0.02 0.13 0.00 0.01 0.00 0.00 0.00 0.00 14:32:01 ens3 99.62 56.92 1513.58 11.19 0.00 0.00 0.00 0.00 14:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 veth74cede78 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 cni0 74.54 77.07 28.30 97.36 0.00 0.00 1.13 0.00 Average: ens3 299.27 188.51 3879.61 28.67 0.00 0.00 0.00 0.00 Average: docker0 38.46 57.71 2.82 301.84 0.00 0.00 0.00 0.00 Average: veth74cede78 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: cni0 14.96 15.47 5.68 19.54 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6593) 10/30/26 _x86_64_ (8 CPU) 14:26:58 LINUX RESTART (8 CPU) 14:27:01 CPU %user %nice %system %iowait %steal %idle 14:28:02 all 5.93 0.72 1.60 5.23 0.01 86.52 14:28:02 0 3.23 0.00 1.62 4.31 0.02 90.82 14:28:02 1 6.30 0.00 2.17 0.79 0.00 90.75 14:28:02 2 5.33 0.00 1.07 1.22 0.00 92.39 14:28:02 3 4.50 3.34 1.44 15.93 0.02 74.77 14:28:02 4 5.45 0.00 1.67 3.03 0.00 89.85 14:28:02 5 5.99 0.00 1.55 11.35 0.00 81.11 14:28:02 6 4.23 2.41 1.42 2.02 0.00 89.92 14:28:02 7 12.40 0.00 1.82 3.17 0.02 82.59 14:29:01 all 31.97 0.00 7.03 2.35 0.02 58.63 14:29:01 0 31.77 0.00 7.57 4.45 0.02 56.19 14:29:01 1 32.19 0.00 6.54 2.76 0.02 58.49 14:29:01 2 31.45 0.00 7.35 1.01 0.03 60.16 14:29:01 3 31.73 0.00 6.81 2.56 0.00 58.91 14:29:01 4 32.05 0.00 7.39 2.89 0.02 57.65 14:29:01 5 33.20 0.00 7.08 1.19 0.02 58.51 14:29:01 6 32.21 0.00 6.52 0.82 0.02 60.43 14:29:01 7 31.14 0.00 7.00 3.16 0.00 58.71 14:30:01 all 56.27 0.00 7.86 0.22 0.02 35.63 14:30:01 0 53.00 0.00 8.21 0.22 0.03 38.54 14:30:01 1 54.70 0.00 7.64 0.00 0.02 37.64 14:30:01 2 56.78 0.00 7.61 0.00 0.02 35.60 14:30:01 3 61.92 0.00 7.96 0.97 0.02 29.12 14:30:01 4 55.04 0.00 7.98 0.00 0.03 36.95 14:30:01 5 56.69 0.00 7.25 0.02 0.00 36.04 14:30:01 6 54.02 0.00 7.85 0.35 0.02 37.76 14:30:01 7 58.09 0.00 8.35 0.15 0.02 33.40 14:31:01 all 15.44 0.19 5.02 1.23 0.01 78.11 14:31:01 0 14.30 0.00 5.82 2.69 0.02 77.18 14:31:01 1 14.29 0.00 4.52 0.45 0.02 80.72 14:31:01 2 15.39 0.00 5.74 0.20 0.02 78.65 14:31:01 3 15.22 0.00 4.69 0.76 0.02 79.31 14:31:01 4 15.80 0.00 4.68 1.43 0.00 78.08 14:31:01 5 16.48 0.00 4.98 2.86 0.02 75.66 14:31:01 6 17.64 1.49 4.53 0.10 0.02 76.22 14:31:01 7 14.37 0.00 5.23 1.36 0.02 79.03 14:32:01 all 10.29 0.00 1.39 0.71 0.01 87.61 14:32:01 0 5.15 0.00 1.22 0.10 0.00 93.53 14:32:01 1 4.27 0.00 1.23 1.97 0.00 92.54 14:32:01 2 7.93 0.00 1.20 0.12 0.00 90.75 14:32:01 3 4.69 0.00 1.09 0.50 0.00 93.72 14:32:01 4 12.39 0.00 1.24 0.48 0.02 85.87 14:32:01 5 5.30 0.00 0.92 0.08 0.02 93.68 14:32:01 6 15.09 0.00 1.87 0.92 0.00 82.11 14:32:01 7 27.42 0.00 2.31 1.49 0.02 68.76 Average: all 23.92 0.18 4.56 1.95 0.01 69.37 Average: 0 21.42 0.00 4.87 2.35 0.02 71.34 Average: 1 22.28 0.00 4.41 1.18 0.01 72.12 Average: 2 23.33 0.00 4.57 0.51 0.01 71.57 Average: 3 23.57 0.67 4.39 4.16 0.01 67.21 Average: 4 24.09 0.00 4.57 1.56 0.01 69.77 Average: 5 23.48 0.00 4.34 3.11 0.01 69.05 Average: 6 24.57 0.78 4.43 0.85 0.01 69.36 Average: 7 28.65 0.00 4.92 1.86 0.01 64.55