---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-4721 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/7b42c15d92d8f969c950b702412bab6b29884e50304e86c02dbc062234e4ca42/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f30bbf886ff5e4c29c205e8d90d353a9f82c5ff9dda4353ac9e9441c9ab60932/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ac1b5e541be9e9e6f59772fbe2ed88b0ab530e13f7d81bf2feb46e84b38e8cfd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0d85aea10ba645081ec607d458c5bd25f9338ab0902914269819a638493ae42b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/90b07eea545c49e5b492b4b33e36f67dff0cf4dd7e13d2a949ab45c701b77162/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1196 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1631 23999 2 6537 30079 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:f7:94:5c brd ff:ff:ff:ff:ff:ff inet 10.30.107.204/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86015sec preferred_lft 86015sec inet6 fe80::f816:3eff:fef7:945c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:70:0f:36:03 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::42:70ff:fe0f:3603/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4e:61:ef:48:98:c1 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::4c61:efff:fe48:98c1/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 7a:1f:3f:83:70:17 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::781f:3fff:fe83:7017/64 scope link valid_lft forever preferred_lft forever 6: vethf5ab7d3b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:ef:03:ca:55:1b brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::44ef:3ff:feca:551b/64 scope link valid_lft forever preferred_lft forever 7: veth34bdedfe@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:0e:28:ee:e5:b1 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::840e:28ff:feee:e5b1/64 scope link valid_lft forever preferred_lft forever 8: veth3dd9857f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ee:dd:74:ec:c0:65 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::ecdd:74ff:feec:c065/64 scope link valid_lft forever preferred_lft forever 13: veth39edb0ea@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:00:b3:7c:45:9c brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::fc00:b3ff:fe7c:459c/64 scope link valid_lft forever preferred_lft forever 14: veth4dbb2e1f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:b9:b0:99:0a:af brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::cb9:b0ff:fe99:aaf/64 scope link valid_lft forever preferred_lft forever 19: br-d3cc437f16c1: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:30:25:68:9b brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-d3cc437f16c1 valid_lft forever preferred_lft forever inet6 fe80::42:30ff:fe25:689b/64 scope link valid_lft forever preferred_lft forever 21: vethfa4f596@if20: mtu 1500 qdisc noqueue master br-d3cc437f16c1 state UP group default link/ether 02:19:02:82:1a:66 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::19:2ff:fe82:1a66/64 scope link valid_lft forever preferred_lft forever 23: vethe65fcb8@if22: mtu 1500 qdisc noqueue master br-d3cc437f16c1 state UP group default link/ether 4a:c7:8b:38:c8:61 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::48c7:8bff:fe38:c861/64 scope link valid_lft forever preferred_lft forever 25: vethb6f2a84@if24: mtu 1500 qdisc noqueue master br-d3cc437f16c1 state UP group default link/ether b6:22:f3:dd:7f:63 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::b422:f3ff:fedd:7f63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4721) 10/23/25 _x86_64_ (8 CPU) 10:45:36 LINUX RESTART (8 CPU) 10:46:01 tps rtps wtps bread/s bwrtn/s 10:47:01 391.25 116.73 274.52 6325.88 56013.06 10:48:01 448.45 3.97 444.49 363.48 86534.89 10:49:01 63.81 0.00 63.81 0.00 56053.72 10:50:01 161.01 4.08 156.92 554.97 95895.75 10:51:01 98.43 22.35 76.09 816.40 21230.19 Average: 232.60 29.42 203.17 1612.10 63146.30 10:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:47:01 28825292 31298956 4113928 12.49 59984 2703708 2290544 6.95 1657376 2093632 517980 10:48:01 25713968 30729704 7225252 21.94 129468 4945900 3826256 11.62 2764428 3852688 793832 10:49:01 24382320 30123388 8556900 25.98 130768 5655172 3944412 11.97 3649872 4268148 717556 10:50:01 25412012 30938556 7527208 22.85 136832 5545548 4179864 12.69 2403156 4568140 1232 10:51:01 24732680 30822516 8206540 24.91 188608 6019300 4398432 13.35 2722452 4876260 162064 Average: 25813254 30782624 7125966 21.63 129132 4973926 3727902 11.32 2639457 3931774 438533 10:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:47:01 veth34bdedfe 0.10 0.30 0.01 0.03 0.00 0.00 0.00 0.00 10:47:01 ens3 555.11 378.14 7628.79 81.61 0.00 0.00 0.00 0.00 10:47:01 vethf5ab7d3b 0.10 0.37 0.01 0.03 0.00 0.00 0.00 0.00 10:47:01 cni0 0.27 0.07 0.02 0.01 0.00 0.00 0.25 0.00 10:48:01 veth34bdedfe 8.26 10.55 3.25 3.41 0.00 0.00 0.00 0.00 10:48:01 ens3 359.35 212.86 4558.60 24.05 0.00 0.00 0.00 0.00 10:48:01 veth4dbb2e1f 3.68 2.92 0.73 1.92 0.00 0.00 0.00 0.00 10:48:01 vethf5ab7d3b 0.45 1.20 0.09 0.18 0.00 0.00 0.00 0.00 10:49:01 veth34bdedfe 7.30 8.63 2.77 1.72 0.00 0.00 0.00 0.00 10:49:01 ens3 1.13 1.23 0.76 0.35 0.00 0.00 0.00 0.00 10:49:01 veth4dbb2e1f 1.37 1.52 0.11 0.19 0.00 0.00 0.00 0.00 10:49:01 vethf5ab7d3b 0.13 0.20 0.01 0.02 0.00 0.00 0.00 0.00 10:50:01 veth65d66be 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 br-d3cc437f16c1 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:50:01 veth34bdedfe 7.20 8.40 2.77 1.70 0.00 0.00 0.00 0.00 10:50:01 ens3 195.43 123.08 5890.74 11.12 0.00 0.00 0.00 0.00 10:51:01 br-d3cc437f16c1 0.37 0.45 0.03 0.09 0.00 0.00 0.00 0.00 10:51:01 veth34bdedfe 7.33 8.37 2.79 1.70 0.00 0.00 0.00 0.00 10:51:01 ens3 235.31 163.17 3209.36 19.92 0.00 0.00 0.00 0.00 10:51:01 vethfa4f596 0.20 0.47 0.01 0.03 0.00 0.00 0.00 0.00 Average: br-d3cc437f16c1 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth34bdedfe 6.04 7.25 2.32 1.71 0.00 0.00 0.00 0.00 Average: ens3 269.27 175.70 4257.66 27.41 0.00 0.00 0.00 0.00 Average: vethfa4f596 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4721) 10/23/25 _x86_64_ (8 CPU) 10:45:36 LINUX RESTART (8 CPU) 10:46:01 CPU %user %nice %system %iowait %steal %idle 10:47:01 all 11.34 0.90 3.25 3.68 0.06 80.78 10:47:01 0 15.72 1.76 2.80 0.55 0.05 79.11 10:47:01 1 9.41 0.00 2.98 1.65 0.03 85.92 10:47:01 2 10.59 3.66 3.33 0.15 0.05 82.22 10:47:01 3 9.10 0.02 4.02 10.53 0.07 76.26 10:47:01 4 10.39 0.00 3.30 1.22 0.07 85.02 10:47:01 5 11.16 0.00 3.26 13.01 0.07 72.50 10:47:01 6 7.90 0.00 2.73 2.04 0.05 87.29 10:47:01 7 16.43 1.66 3.55 0.32 0.08 77.97 10:48:01 all 37.00 0.00 7.13 10.86 0.10 44.90 10:48:01 0 37.24 0.00 7.71 8.20 0.10 46.76 10:48:01 1 36.47 0.00 6.68 9.63 0.12 47.10 10:48:01 2 38.45 0.00 7.07 5.78 0.10 48.59 10:48:01 3 36.43 0.00 6.53 9.43 0.10 47.51 10:48:01 4 35.50 0.00 7.56 17.33 0.08 39.52 10:48:01 5 36.41 0.00 7.00 13.51 0.10 42.97 10:48:01 6 38.24 0.00 7.53 17.85 0.10 36.28 10:48:01 7 37.26 0.00 7.03 5.11 0.10 50.50 10:49:01 all 36.10 0.00 5.08 3.40 0.09 55.34 10:49:01 0 36.63 0.00 5.42 2.43 0.08 55.43 10:49:01 1 37.68 0.00 4.83 0.03 0.07 57.40 10:49:01 2 32.99 0.00 4.78 2.53 0.08 59.62 10:49:01 3 35.10 0.00 4.76 7.26 0.10 52.78 10:49:01 4 34.50 0.00 4.72 0.80 0.10 59.88 10:49:01 5 37.27 0.00 5.31 1.08 0.07 56.27 10:49:01 6 39.76 0.00 5.47 12.50 0.10 42.16 10:49:01 7 34.87 0.00 5.34 0.56 0.10 59.14 10:50:01 all 7.07 0.25 3.32 7.17 0.08 82.12 10:50:01 0 4.19 0.00 3.35 0.25 0.07 92.15 10:50:01 1 6.62 0.00 3.08 3.65 0.08 86.57 10:50:01 2 7.55 0.00 3.33 7.21 0.08 81.82 10:50:01 3 6.97 0.08 3.03 9.69 0.08 80.14 10:50:01 4 7.38 0.00 2.69 12.20 0.07 77.67 10:50:01 5 11.18 1.60 3.47 6.45 0.08 77.21 10:50:01 6 6.37 0.00 3.29 15.43 0.08 74.83 10:50:01 7 6.23 0.29 4.33 2.46 0.08 86.61 10:51:01 all 8.12 0.00 2.05 2.97 0.07 86.79 10:51:01 0 5.59 0.00 1.74 0.17 0.05 92.45 10:51:01 1 4.65 0.00 1.75 1.29 0.07 92.25 10:51:01 2 14.67 0.00 2.82 2.65 0.08 79.78 10:51:01 3 12.81 0.00 2.03 2.28 0.08 82.80 10:51:01 4 8.14 0.00 1.59 0.25 0.05 89.97 10:51:01 5 7.07 0.00 1.26 1.14 0.08 90.45 10:51:01 6 7.14 0.00 1.79 8.28 0.07 82.72 10:51:01 7 4.91 0.00 3.40 7.73 0.08 83.88 Average: all 19.88 0.23 4.16 5.60 0.08 70.04 Average: 0 19.82 0.35 4.19 2.31 0.07 73.25 Average: 1 18.93 0.00 3.86 3.24 0.07 73.90 Average: 2 20.83 0.74 4.26 3.65 0.08 70.44 Average: 3 20.04 0.02 4.07 7.83 0.09 67.95 Average: 4 19.13 0.00 3.97 6.34 0.07 70.49 Average: 5 20.58 0.32 4.05 7.03 0.08 67.93 Average: 6 19.83 0.00 4.15 11.20 0.08 64.74 Average: 7 19.92 0.39 4.72 3.23 0.09 71.65