---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46377 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/ce7e037c3685e14c0a819448d3215e1005d715d87e25d681c64638bc3a7ed088/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/35b9b5979cf43db8a6d7034391c70d7a3eb3ffb4d2c4484203e205bf6e980161/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/182630a99962abca25e43f9dd1543f0ff5aeaf801914285fa2c9f374b35629df/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/fdbb00a21ee597c1b9125f2ed50c8ee2b54f6b05060be70d6b005be94975b02b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f4fed714af851fb38bb43f556ca0dc53493a3cd7211a660b14a8e504b8b6053d/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1625 24024 1 6517 30085 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:d4:e5:cc brd ff:ff:ff:ff:ff:ff inet 10.30.106.165/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fed4:e5cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:6e:59:71 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::42:22ff:fe6e:5971/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether e2:3d:64:f2:d1:e8 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::e03d:64ff:fef2:d1e8/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ae:c8:77:20:c4:ec 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::acc8:77ff:fe20:c4ec/64 scope link valid_lft forever preferred_lft forever 8: veth4c148ee6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ce:fa:5a:ec:72:7f brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::ccfa:5aff:feec:727f/64 scope link valid_lft forever preferred_lft forever 9: vethca588310@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:e9:99:58:de:6c brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::4ce9:99ff:fe58:de6c/64 scope link valid_lft forever preferred_lft forever 10: veth13155cc1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:80:6c:93:5c:19 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::5880:6cff:fe93:5c19/64 scope link valid_lft forever preferred_lft forever 11: vethf29908ad@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c2:78:16:3b:cb:61 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::c078:16ff:fe3b:cb61/64 scope link valid_lft forever preferred_lft forever 12: vethd751fd51@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:50:d5:dd:bd:2a brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::ac50:d5ff:fedd:bd2a/64 scope link valid_lft forever preferred_lft forever 19: br-d10e36506d29: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:2e:6f:cc:9c brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-d10e36506d29 valid_lft forever preferred_lft forever inet6 fe80::42:2eff:fe6f:cc9c/64 scope link valid_lft forever preferred_lft forever 23: veth90ac3a2@if22: mtu 1500 qdisc noqueue master br-d10e36506d29 state UP group default link/ether aa:07:25:48:a6:aa brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::a807:25ff:fe48:a6aa/64 scope link valid_lft forever preferred_lft forever 25: veth51d579a@if24: mtu 1500 qdisc noqueue master br-d10e36506d29 state UP group default link/ether 12:ab:7d:f8:9e:69 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::10ab:7dff:fef8:9e69/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46377) 09/17/25 _x86_64_ (8 CPU) 06:27:17 LINUX RESTART (8 CPU) 06:28:03 tps rtps wtps bread/s bwrtn/s 06:29:01 547.23 86.44 460.79 3817.44 188661.98 06:30:01 137.33 0.00 137.33 0.00 48429.93 06:31:01 168.89 4.17 164.73 572.08 100601.00 06:32:01 113.65 20.31 93.33 756.41 8853.46 Average: 239.22 27.24 211.98 1265.29 85784.32 06:28:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:29:01 26457516 30889564 6481704 19.68 125144 4404560 3745056 11.37 2319692 3584388 523280 06:30:01 25326944 30849952 7612276 23.11 130576 5441364 3643248 11.06 2902832 4081300 664732 06:31:01 25072124 30881888 7867096 23.88 135128 5830364 3898796 11.84 2558264 4754548 1336 06:32:01 24586668 30776704 8352552 25.36 147020 6158372 3948280 11.99 2716924 5039620 179360 Average: 25360813 30849527 7578407 23.01 134467 5458665 3808845 11.56 2624428 4364964 342177 06:28:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:29:01 veth08f2e05 135.18 145.50 12.56 1290.70 0.00 0.00 0.00 0.11 06:29:01 ens3 854.33 706.45 11275.66 58.99 0.00 0.00 0.00 0.00 06:29:01 vethca588310 1.93 2.60 0.21 0.61 0.00 0.00 0.00 0.00 06:29:01 vethd751fd51 3.69 3.12 0.74 1.92 0.00 0.00 0.00 0.00 06:30:01 veth08f2e05 0.50 0.65 0.05 0.64 0.00 0.00 0.00 0.00 06:30:01 ens3 1.90 2.52 0.78 0.41 0.00 0.00 0.00 0.00 06:30:01 vethca588310 2.75 3.17 0.25 0.29 0.00 0.00 0.00 0.00 06:30:01 vethd751fd51 1.37 1.65 0.11 0.26 0.00 0.00 0.00 0.00 06:31:01 ens3 329.09 269.29 6467.58 23.43 0.00 0.00 0.00 0.00 06:31:01 vethca588310 3.07 3.27 0.28 0.28 0.00 0.00 0.00 0.00 06:31:01 veth51d579a 0.13 0.25 0.01 0.02 0.00 0.00 0.00 0.00 06:31:01 vethd751fd51 1.38 1.57 0.11 0.19 0.00 0.00 0.00 0.00 06:32:01 ens3 69.21 57.87 1126.88 12.00 0.00 0.00 0.00 0.00 06:32:01 vethca588310 3.03 3.22 0.28 0.28 0.00 0.00 0.00 0.00 06:32:01 veth51d579a 0.05 0.12 0.00 0.01 0.00 0.00 0.00 0.00 06:32:01 vethd751fd51 1.33 1.47 0.11 0.18 0.00 0.00 0.00 0.00 Average: ens3 309.11 255.29 4662.98 23.41 0.00 0.00 0.00 0.00 Average: vethca588310 2.70 3.07 0.26 0.36 0.00 0.00 0.00 0.00 Average: veth51d579a 0.05 0.09 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethd751fd51 1.93 1.94 0.26 0.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46377) 09/17/25 _x86_64_ (8 CPU) 06:27:17 LINUX RESTART (8 CPU) 06:28:03 CPU %user %nice %system %iowait %steal %idle 06:29:01 all 17.20 0.59 6.21 4.31 0.09 71.59 06:29:01 0 16.34 0.00 6.57 5.31 0.07 71.71 06:29:01 1 17.96 0.00 6.21 3.34 0.11 72.37 06:29:01 2 15.37 0.00 6.10 1.50 0.09 76.94 06:29:01 3 15.79 0.56 5.92 1.94 0.10 75.69 06:29:01 4 16.04 0.00 6.44 10.72 0.09 66.71 06:29:01 5 20.38 4.15 6.85 4.74 0.11 63.78 06:29:01 6 18.38 0.00 5.50 3.88 0.10 72.13 06:29:01 7 17.37 0.00 6.11 3.09 0.10 73.32 06:30:01 all 54.53 0.00 6.67 0.61 0.12 38.07 06:30:01 0 55.63 0.00 6.92 0.49 0.14 36.82 06:30:01 1 54.58 0.00 7.33 0.40 0.15 37.54 06:30:01 2 51.58 0.00 5.99 0.00 0.12 42.32 06:30:01 3 55.79 0.00 6.86 2.44 0.10 34.81 06:30:01 4 54.76 0.00 6.56 0.22 0.12 38.35 06:30:01 5 56.74 0.00 6.22 0.29 0.12 36.63 06:30:01 6 58.16 0.00 6.94 0.44 0.14 34.32 06:30:01 7 49.04 0.00 6.45 0.54 0.12 43.84 06:31:01 all 10.76 0.24 3.84 1.57 0.09 83.50 06:31:01 0 12.67 0.29 3.20 1.19 0.08 82.57 06:31:01 1 11.81 0.00 4.78 1.06 0.07 82.28 06:31:01 2 14.57 0.00 4.11 0.12 0.13 81.07 06:31:01 3 10.94 0.00 3.52 4.49 0.08 80.96 06:31:01 4 9.34 1.42 3.48 3.90 0.10 81.77 06:31:01 5 9.84 0.02 4.28 0.47 0.07 85.32 06:31:01 6 9.25 0.00 4.64 0.61 0.08 85.42 06:31:01 7 7.69 0.15 2.70 0.76 0.10 88.60 06:32:01 all 11.09 0.00 1.05 0.63 0.08 87.16 06:32:01 0 7.68 0.00 0.83 0.08 0.08 91.32 06:32:01 1 6.75 0.00 1.00 0.10 0.07 92.08 06:32:01 2 15.92 0.00 1.21 3.16 0.08 79.62 06:32:01 3 12.05 0.00 1.19 0.57 0.08 86.11 06:32:01 4 15.57 0.00 1.00 0.22 0.07 83.14 06:32:01 5 11.86 0.00 1.09 0.27 0.07 86.72 06:32:01 6 13.88 0.00 1.27 0.35 0.10 84.40 06:32:01 7 4.96 0.00 0.77 0.28 0.10 93.88 Average: all 23.42 0.20 4.42 1.76 0.10 70.11 Average: 0 23.08 0.07 4.35 1.73 0.09 70.67 Average: 1 22.79 0.00 4.81 1.21 0.10 71.10 Average: 2 24.42 0.00 4.33 1.20 0.11 69.95 Average: 3 23.70 0.14 4.35 2.36 0.09 69.36 Average: 4 23.98 0.36 4.34 3.69 0.09 67.53 Average: 5 24.73 1.01 4.58 1.41 0.09 68.18 Average: 6 24.94 0.00 4.57 1.30 0.11 69.08 Average: 7 19.71 0.04 3.99 1.16 0.11 75.00