---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46394 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 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/1742dcf5b641c675c094624cb702ad9c28922d1e894dc4074395964d9e1558db/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6411cabd473ea3c6d05c8a057e804cbd2d703016f70af184e6720f7788cbbeea/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9a77a888ffb97eda5ab236cbe90be01405f91362419d58db3f7c396805a0e875/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2ccaa3039ce1e08501b0ae813d68e90b63db76670e3583b295f9d925015b2af5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/526a178e46f418e25c360d5d9f5defd2ce3043cc3c033e273f2c08bfa447cc4e/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1522 24119 1 6525 30188 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:66:eb:f7 brd ff:ff:ff:ff:ff:ff inet 10.30.106.107/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85952sec preferred_lft 85952sec inet6 fe80::f816:3eff:fe66:ebf7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5b:5a:25:43 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::42:5bff:fe5a:2543/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4e:b0:d7:83:3c:03 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::4cb0:d7ff:fe83:3c03/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 5e:43:63:51:38:fe 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::5c43:63ff:fe51:38fe/64 scope link valid_lft forever preferred_lft forever 6: veth8a126656@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether aa:ec:4b:2f:37:95 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::a8ec:4bff:fe2f:3795/64 scope link valid_lft forever preferred_lft forever 7: veth6667af34@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:e5:af:47:42:a3 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::54e5:afff:fe47:42a3/64 scope link valid_lft forever preferred_lft forever 8: veth79d8b3bd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:6f:7c:40:1c:03 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::106f:7cff:fe40:1c03/64 scope link valid_lft forever preferred_lft forever 13: veth4888bea0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:79:8c:ee:42:31 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::9c79:8cff:feee:4231/64 scope link valid_lft forever preferred_lft forever 14: vethc698649a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:b1:35:78:12:1f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::74b1:35ff:fe78:121f/64 scope link valid_lft forever preferred_lft forever 19: br-66e17ee0ea5a: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:d2:f8:2a:7b brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-66e17ee0ea5a valid_lft forever preferred_lft forever inet6 fe80::42:d2ff:fef8:2a7b/64 scope link valid_lft forever preferred_lft forever 23: veth1730874@if22: mtu 1500 qdisc noqueue master br-66e17ee0ea5a state UP group default link/ether aa:fe:4d:32:2d:e5 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::a8fe:4dff:fe32:2de5/64 scope link valid_lft forever preferred_lft forever 25: veth3cae2e5@if24: mtu 1500 qdisc noqueue master br-66e17ee0ea5a state UP group default link/ether 12:d3:49:2c:f2:d3 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::10d3:49ff:fe2c:f2d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46394) 09/17/25 _x86_64_ (8 CPU) 07:13:41 LINUX RESTART (8 CPU) 07:14:02 tps rtps wtps bread/s bwrtn/s 07:15:01 397.12 100.85 296.27 5127.94 87113.37 07:16:01 480.17 21.76 458.41 1680.65 110493.32 07:17:01 93.55 0.05 93.50 3.73 74822.73 07:18:01 135.44 3.58 131.86 492.90 96597.53 07:19:01 50.86 0.42 50.44 73.85 31373.70 07:20:01 64.37 19.88 44.49 687.35 27694.72 07:21:01 100.63 1.23 99.40 96.92 11732.84 Average: 188.38 20.92 167.46 1156.72 62775.47 07:14:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:15:01 29533220 31426592 3406000 10.34 47656 2157064 1835924 5.57 1496124 1606636 4088 07:16:01 25796200 30757544 7143020 21.69 129144 4894156 3807880 11.56 2718688 3821828 397668 07:17:01 25741332 31049036 7197888 21.85 130744 5291700 2642748 8.02 2465736 4148836 50860 07:18:01 25389980 30979532 7549240 22.92 136620 5619916 3277428 9.95 2355048 4659340 58092 07:19:01 25150852 30961428 7788368 23.64 138332 5826888 3854308 11.70 2493856 4738512 76 07:20:01 24963084 30874696 7976136 24.21 146436 5909264 3686724 11.19 2703928 4707460 54736 07:21:01 24664008 30875476 8275212 25.12 157880 6165580 3702944 11.24 2721144 4956172 123172 Average: 25891239 30989186 7047981 21.40 126687 5123510 3258279 9.89 2422075 4091255 98385 07:14:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:15:01 lo 81.14 81.14 34.16 34.16 0.00 0.00 0.00 0.00 07:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:15:01 ens3 502.08 333.10 2550.20 78.91 0.00 0.00 0.00 0.00 07:16:01 lo 174.99 174.99 247.08 247.08 0.00 0.00 0.00 0.00 07:16:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 docker0 128.53 135.39 10.21 1248.01 0.00 0.00 0.00 0.00 07:16:01 veth79d8b3bd 0.55 1.48 0.09 0.21 0.00 0.00 0.00 0.00 07:17:01 lo 12.13 12.13 3.94 3.94 0.00 0.00 0.00 0.00 07:17:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 docker0 0.58 0.65 0.04 0.64 0.00 0.00 0.00 0.00 07:17:01 veth79d8b3bd 0.13 0.22 0.01 0.02 0.00 0.00 0.00 0.00 07:18:01 lo 16.81 16.81 4.77 4.77 0.00 0.00 0.00 0.00 07:18:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 veth79d8b3bd 0.13 0.20 0.01 0.02 0.00 0.00 0.00 0.00 07:19:01 lo 13.33 13.33 4.06 4.06 0.00 0.00 0.00 0.00 07:19:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 veth79d8b3bd 0.12 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:20:01 lo 14.83 14.83 4.23 4.23 0.00 0.00 0.00 0.00 07:20:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 veth79d8b3bd 0.12 0.17 0.01 0.02 0.00 0.00 0.00 0.00 07:21:01 lo 17.63 17.63 4.67 4.67 0.00 0.00 0.00 0.00 07:21:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 veth79d8b3bd 0.12 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 47.18 47.18 43.29 43.29 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: docker0 18.49 19.49 1.47 178.80 0.00 0.00 0.00 0.00 Average: veth79d8b3bd 0.17 0.32 0.02 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46394) 09/17/25 _x86_64_ (8 CPU) 07:13:41 LINUX RESTART (8 CPU) 07:14:02 CPU %user %nice %system %iowait %steal %idle 07:15:01 all 8.22 0.72 2.00 5.66 0.06 83.34 07:15:01 0 8.84 1.73 2.02 1.72 0.05 85.63 07:15:01 1 4.40 0.00 1.63 0.49 0.03 93.44 07:15:01 2 8.66 0.00 1.95 0.85 0.05 88.49 07:15:01 3 14.75 0.00 1.93 1.26 0.07 81.99 07:15:01 4 10.62 0.00 2.69 3.24 0.09 83.36 07:15:01 5 6.21 0.00 2.43 22.56 0.05 68.75 07:15:01 6 6.83 3.99 1.60 14.65 0.07 72.86 07:15:01 7 5.46 0.02 1.74 0.49 0.07 92.22 07:16:01 all 34.25 0.00 6.94 8.68 0.12 50.02 07:16:01 0 33.35 0.00 6.70 10.50 0.10 49.36 07:16:01 1 35.34 0.00 6.01 10.02 0.10 48.54 07:16:01 2 33.59 0.00 6.65 9.32 0.11 50.34 07:16:01 3 33.73 0.00 7.66 4.85 0.11 53.66 07:16:01 4 34.56 0.00 8.06 4.90 0.12 52.36 07:16:01 5 34.38 0.00 7.24 8.51 0.12 49.75 07:16:01 6 34.82 0.00 7.00 13.68 0.16 44.34 07:16:01 7 34.22 0.00 6.23 7.57 0.08 51.89 07:17:01 all 35.48 0.00 4.85 3.24 0.11 56.31 07:17:01 0 35.82 0.00 4.56 0.22 0.10 59.30 07:17:01 1 36.88 0.00 4.77 4.45 0.18 53.71 07:17:01 2 33.16 0.00 4.64 5.21 0.10 56.88 07:17:01 3 37.14 0.00 5.28 3.01 0.08 54.49 07:17:01 4 31.49 0.00 4.58 3.60 0.08 60.25 07:17:01 5 38.29 0.00 5.04 5.45 0.12 51.11 07:17:01 6 35.35 0.00 5.18 1.30 0.10 58.07 07:17:01 7 35.67 0.00 4.75 2.76 0.12 56.70 07:18:01 all 5.95 0.22 2.88 6.00 0.09 84.85 07:18:01 0 9.20 0.00 3.27 0.24 0.10 87.19 07:18:01 1 5.04 0.00 4.47 11.66 0.10 78.73 07:18:01 2 4.76 0.00 3.40 16.40 0.10 75.34 07:18:01 3 5.59 0.00 2.54 0.76 0.12 90.99 07:18:01 4 4.26 0.00 2.10 0.02 0.05 93.57 07:18:01 5 5.24 0.00 2.37 3.43 0.08 88.88 07:18:01 6 5.79 1.76 3.03 7.82 0.10 81.51 07:18:01 7 7.70 0.00 1.88 7.76 0.10 82.56 07:19:01 all 1.72 0.00 0.85 1.83 0.07 95.53 07:19:01 0 2.10 0.00 1.09 0.13 0.08 96.59 07:19:01 1 1.47 0.00 0.72 0.03 0.05 97.72 07:19:01 2 1.73 0.00 0.86 2.10 0.08 95.23 07:19:01 3 1.84 0.00 0.80 0.90 0.07 96.38 07:19:01 4 1.39 0.00 0.60 0.00 0.03 97.98 07:19:01 5 2.13 0.00 1.00 0.30 0.08 96.48 07:19:01 6 1.49 0.00 0.87 11.02 0.10 86.52 07:19:01 7 1.63 0.00 0.81 0.08 0.08 97.40 07:20:01 all 4.63 0.00 0.70 1.96 0.07 92.64 07:20:01 0 2.01 0.00 0.62 3.30 0.05 94.02 07:20:01 1 3.63 0.00 0.60 0.28 0.07 95.42 07:20:01 2 10.53 0.00 0.89 0.65 0.07 87.87 07:20:01 3 6.01 0.00 0.73 0.78 0.10 92.37 07:20:01 4 3.31 0.00 0.68 0.23 0.08 95.69 07:20:01 5 2.54 0.00 0.70 0.23 0.08 96.44 07:20:01 6 6.54 0.00 0.75 10.14 0.07 82.49 07:20:01 7 2.47 0.00 0.65 0.08 0.07 96.74 07:21:01 all 11.16 0.00 1.10 0.86 0.07 86.82 07:21:01 0 7.49 0.00 0.92 0.12 0.05 91.42 07:21:01 1 17.63 0.00 1.72 1.65 0.08 78.92 07:21:01 2 26.41 0.00 1.35 1.30 0.07 70.87 07:21:01 3 4.88 0.00 0.74 0.62 0.05 93.71 07:21:01 4 12.19 0.00 1.17 0.64 0.08 85.92 07:21:01 5 6.13 0.00 1.14 0.39 0.07 92.28 07:21:01 6 11.20 0.00 1.02 1.94 0.07 85.77 07:21:01 7 3.33 0.00 0.75 0.18 0.05 95.68 Average: all 14.42 0.13 2.74 4.01 0.08 78.61 Average: 0 14.10 0.25 2.73 2.31 0.08 80.54 Average: 1 14.90 0.00 2.84 4.07 0.09 78.10 Average: 2 16.87 0.00 2.79 5.08 0.08 75.18 Average: 3 14.72 0.00 2.78 1.72 0.08 80.70 Average: 4 13.88 0.00 2.82 1.79 0.08 81.44 Average: 5 13.53 0.00 2.84 5.80 0.09 77.74 Average: 6 14.48 0.82 2.76 8.62 0.09 73.23 Average: 7 12.91 0.00 2.39 2.69 0.08 81.92