---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46462 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 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 2.1M 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 4.0K 3.2G 1% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/92407291cee49e3e13e227bd1d6ff0c23c864ed6eb9476ac1ac07c14ccd85f05/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8df05b98e678cc03c8042f7c2ad8f1501f9f0b01b4a069849b0fcc05283a13f5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/66067f87981b11fc8f678a7195e424dd367d44d6fadb785a723f3f117c8274b3/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/88caac1379f1e5658ef08ad1b11c07f4ee10e973333d3c1d439d7f5e10730347/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ae1806863cc14f63cd48011dd3c5fa96cc4d4bed51d08459a0dc5e7559431215/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25202 /dev/loop1 67M 67M 0 100% /snap/core24/1151 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1630 23909 2 6627 30080 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:cc:6b:90 brd ff:ff:ff:ff:ff:ff inet 10.30.106.135/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86004sec preferred_lft 86004sec inet6 fe80::f816:3eff:fecc:6b90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:47:50:43:4e 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::42:47ff:fe50:434e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ae:66:03:cd:8d:6b 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::ac66:3ff:fecd:8d6b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether de:ab:e2:27:3c:f8 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::dcab:e2ff:fe27:3cf8/64 scope link valid_lft forever preferred_lft forever 8: vethec5b3d36@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fa:f6:ee:74:ff:bf brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f8f6:eeff:fe74:ffbf/64 scope link valid_lft forever preferred_lft forever 9: veth82baffb0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 82:fe:5c:4e:70:1a brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::80fe:5cff:fe4e:701a/64 scope link valid_lft forever preferred_lft forever 12: veth525775f8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:96:a8:d1:09:b5 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::7496:a8ff:fed1:9b5/64 scope link valid_lft forever preferred_lft forever 13: vethe5110cce@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:2b:a3:66:69:67 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::602b:a3ff:fe66:6967/64 scope link valid_lft forever preferred_lft forever 14: vethd7f1922f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5e:b5:4a:35:05:fc brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::5cb5:4aff:fe35:5fc/64 scope link valid_lft forever preferred_lft forever 19: br-cb475902b3a3: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:29:ac:de:7d brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-cb475902b3a3 valid_lft forever preferred_lft forever inet6 fe80::42:29ff:feac:de7d/64 scope link valid_lft forever preferred_lft forever 23: veth57a0019@if22: mtu 1500 qdisc noqueue master br-cb475902b3a3 state UP group default link/ether 7e:a2:5a:da:3e:5d brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::7ca2:5aff:feda:3e5d/64 scope link valid_lft forever preferred_lft forever 25: vetheb3551d@if24: mtu 1500 qdisc noqueue master br-cb475902b3a3 state UP group default link/ether f2:cb:e0:0e:1d:32 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f0cb:e0ff:fe0e:1d32/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46462) 09/17/25 _x86_64_ (8 CPU) 10:13:42 LINUX RESTART (8 CPU) 10:14:01 tps rtps wtps bread/s bwrtn/s 10:15:01 206.93 88.34 118.60 5337.51 65458.96 10:16:01 521.48 42.56 478.92 2206.03 115076.15 10:17:01 57.10 0.05 57.05 0.40 62485.97 10:18:01 183.85 3.82 180.04 531.91 108961.31 10:19:01 72.90 21.71 51.19 740.14 28632.29 10:20:01 118.30 0.62 117.68 73.05 33828.23 Average: 193.42 26.18 167.24 1481.47 69073.64 10:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:15:01 29769988 31634852 3169232 9.62 45612 2133580 1537756 4.67 1161876 1717912 414528 10:16:01 26067100 30752600 6872120 20.86 126144 4630868 3957596 12.01 2582164 3697800 478572 10:17:01 24580088 30252252 8359132 25.38 129356 5591388 3756448 11.40 3524720 4200148 738392 10:18:01 25340680 30960852 7598540 23.07 135320 5644284 3866208 11.74 2490752 4557404 1144 10:19:01 24823580 30822396 8115640 24.64 179908 5959788 4156452 12.62 2823628 4707312 38568 10:20:01 24464856 30789104 8474364 25.73 188148 6240496 4144912 12.58 2875692 4979248 127340 Average: 25841049 30868676 7098171 21.55 134081 5033401 3569895 10.84 2576472 3976637 299757 10:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 ens3 498.07 351.96 2574.65 69.29 0.00 0.00 0.00 0.00 10:15:01 lo 5.58 5.58 1.50 1.50 0.00 0.00 0.00 0.00 10:16:01 docker0 125.15 139.09 10.02 1248.36 0.00 0.00 0.00 0.00 10:16:01 vethec5b3d36 4.83 6.20 1.85 2.50 0.00 0.00 0.00 0.00 10:16:01 ens3 638.24 518.83 9682.41 46.53 0.00 0.00 0.00 0.00 10:16:01 veth525775f8 1.90 2.50 0.20 0.59 0.00 0.00 0.00 0.00 10:17:01 docker0 0.50 0.67 0.04 0.65 0.00 0.00 0.00 0.00 10:17:01 vethec5b3d36 6.43 7.58 2.47 1.62 0.00 0.00 0.00 0.00 10:17:01 ens3 2.27 2.58 1.04 0.56 0.00 0.00 0.00 0.00 10:17:01 veth525775f8 2.72 3.07 0.25 0.26 0.00 0.00 0.00 0.00 10:18:01 docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 vethec5b3d36 7.22 8.37 2.78 1.70 0.00 0.00 0.00 0.00 10:18:01 ens3 185.72 117.25 5890.10 11.00 0.00 0.00 0.00 0.00 10:18:01 veth525775f8 3.05 3.25 0.28 0.28 0.00 0.00 0.00 0.00 10:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 vethec5b3d36 7.22 8.37 2.78 1.70 0.00 0.00 0.00 0.00 10:19:01 ens3 310.41 216.08 2576.38 17.39 0.00 0.00 0.00 0.00 10:19:01 veth525775f8 3.07 3.28 0.28 0.28 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 vethec5b3d36 7.15 8.42 2.77 1.70 0.00 0.00 0.00 0.00 10:20:01 ens3 73.04 69.66 920.51 29.65 0.00 0.00 0.00 0.00 10:20:01 veth525775f8 3.10 3.23 0.29 0.28 0.00 0.00 0.00 0.00 Average: docker0 20.95 23.30 1.68 208.16 0.00 0.00 0.00 0.00 Average: vethec5b3d36 5.47 6.49 2.11 1.54 0.00 0.00 0.00 0.00 Average: ens3 284.62 212.72 3607.41 29.07 0.00 0.00 0.00 0.00 Average: veth525775f8 2.31 2.56 0.22 0.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46462) 09/17/25 _x86_64_ (8 CPU) 10:13:42 LINUX RESTART (8 CPU) 10:14:01 CPU %user %nice %system %iowait %steal %idle 10:15:01 all 6.88 0.92 1.69 5.24 0.06 85.21 10:15:01 0 5.11 0.00 1.19 1.05 0.03 92.61 10:15:01 1 15.16 5.72 2.12 2.10 0.07 74.84 10:15:01 2 4.18 0.02 2.16 7.40 0.05 86.19 10:15:01 3 4.53 0.00 1.95 1.30 0.10 92.11 10:15:01 4 5.64 0.00 1.20 1.35 0.03 91.77 10:15:01 5 4.89 0.00 1.20 13.43 0.08 80.39 10:15:01 6 9.98 1.59 2.63 14.99 0.10 70.70 10:15:01 7 5.50 0.00 1.02 0.42 0.05 93.02 10:16:01 all 26.55 0.00 6.48 9.13 0.10 57.75 10:16:01 0 27.24 0.00 6.28 11.09 0.10 55.30 10:16:01 1 26.81 0.00 6.05 4.51 0.08 62.54 10:16:01 2 25.73 0.00 7.32 12.49 0.10 54.35 10:16:01 3 26.40 0.00 6.22 11.12 0.12 56.14 10:16:01 4 26.17 0.00 7.74 10.79 0.10 55.20 10:16:01 5 26.04 0.00 6.41 9.48 0.08 57.98 10:16:01 6 26.49 0.00 6.10 5.61 0.08 61.71 10:16:01 7 27.51 0.00 5.70 7.95 0.10 58.75 10:17:01 all 44.83 0.00 5.66 1.98 0.09 47.45 10:17:01 0 43.80 0.00 5.79 1.93 0.08 48.39 10:17:01 1 46.06 0.00 5.83 3.31 0.08 44.72 10:17:01 2 43.49 0.00 6.08 2.27 0.10 48.06 10:17:01 3 42.44 0.00 5.35 0.88 0.08 51.25 10:17:01 4 43.29 0.00 5.29 0.05 0.07 51.30 10:17:01 5 46.54 0.00 5.35 0.03 0.12 47.95 10:17:01 6 48.29 0.00 5.94 0.00 0.10 45.67 10:17:01 7 44.66 0.00 5.58 7.40 0.08 42.27 10:18:01 all 7.21 0.21 3.27 6.10 0.09 83.12 10:18:01 0 8.86 0.00 4.57 0.22 0.08 86.27 10:18:01 1 7.50 0.00 3.94 13.73 0.10 74.73 10:18:01 2 9.29 0.00 2.60 1.89 0.10 86.12 10:18:01 3 4.32 0.00 2.29 6.80 0.07 86.53 10:18:01 4 6.98 1.68 4.01 11.83 0.08 75.41 10:18:01 5 7.16 0.00 3.36 1.28 0.08 88.12 10:18:01 6 8.01 0.00 2.82 7.47 0.10 81.60 10:18:01 7 5.56 0.00 2.60 5.56 0.08 86.19 10:19:01 all 4.53 0.00 1.61 1.74 0.07 92.04 10:19:01 0 2.47 0.00 2.64 0.20 0.07 94.62 10:19:01 1 6.28 0.00 2.24 6.26 0.08 85.14 10:19:01 2 7.58 0.00 1.34 2.36 0.07 88.65 10:19:01 3 4.29 0.00 1.34 1.71 0.07 92.59 10:19:01 4 3.49 0.00 1.07 0.23 0.08 95.12 10:19:01 5 4.50 0.00 1.47 0.38 0.08 93.57 10:19:01 6 3.07 0.00 1.64 2.31 0.07 92.91 10:19:01 7 4.62 0.00 1.19 0.52 0.07 93.60 10:20:01 all 10.71 0.00 1.02 1.40 0.08 86.80 10:20:01 0 27.83 0.00 1.78 1.15 0.07 69.17 10:20:01 1 20.44 0.00 1.19 1.30 0.07 77.00 10:20:01 2 3.53 0.00 0.55 5.84 0.05 90.03 10:20:01 3 13.28 0.00 1.57 1.22 0.12 83.82 10:20:01 4 3.40 0.00 0.79 0.22 0.07 95.53 10:20:01 5 7.12 0.00 0.90 0.82 0.10 91.07 10:20:01 6 5.51 0.00 0.62 0.05 0.05 93.77 10:20:01 7 4.46 0.00 0.73 0.53 0.08 94.19 Average: all 16.75 0.19 3.28 4.26 0.08 75.44 Average: 0 19.20 0.00 3.70 2.60 0.07 74.42 Average: 1 20.36 0.96 3.55 5.19 0.08 69.85 Average: 2 15.58 0.00 3.33 5.36 0.08 75.64 Average: 3 15.85 0.00 3.12 3.82 0.09 77.12 Average: 4 14.82 0.28 3.34 4.06 0.07 77.43 Average: 5 16.01 0.00 3.11 4.21 0.09 76.58 Average: 6 16.87 0.27 3.29 5.07 0.08 74.43 Average: 7 15.34 0.00 2.80 3.72 0.08 78.06