---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46254 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 1.6M 3.2G 1% /run /dev/vda1 155G 13G 143G 9% / 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/4e4e2291616fbaf1ae1020b69fddafac6e609c093f3f62ecca04fbaee1d0efe1/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d1091b5375a5bf7100683a102ab892b9fd8be2a32b33229aa959dad5f71733cf/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a094974528e76ff66f95000f8af84596a032be51283bc022f29dac37812cbaf8/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6f46c88745ce0328a1b9f1717992afbc9d5a6a947d971e53b95cf74f6979fd74/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d561fc17e949455290bc67aaf8a37fc4b1d57977837fd975b1cdcbac12da1885/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1466 25436 1 5264 30244 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:0b:04:92 brd ff:ff:ff:ff:ff:ff inet 10.30.107.122/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:fe0b:492/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e0:7c:a9:4a 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:e0ff:fe7c:a94a/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 6a:c0:f5:8e:5e:35 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::68c0:f5ff:fe8e:5e35/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ee:9b:1e:b1:cc:0d 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::ec9b:1eff:feb1:cc0d/64 scope link valid_lft forever preferred_lft forever 8: vetha574d380@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:38:83:4a:23:b5 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9438:83ff:fe4a:23b5/64 scope link valid_lft forever preferred_lft forever 9: veth001b7835@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:41:a3:8b:cb:68 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e841:a3ff:fe8b:cb68/64 scope link valid_lft forever preferred_lft forever 10: veth0da4998f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4a:21:cd:f6:c0:3e brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4821:cdff:fef6:c03e/64 scope link valid_lft forever preferred_lft forever 11: veth51c29bc7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:78:6f:b1:0e:f5 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::7c78:6fff:feb1:ef5/64 scope link valid_lft forever preferred_lft forever 12: veth70f40195@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c6:ce:f0:c3:6a:53 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::c4ce:f0ff:fec3:6a53/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46254) 09/16/25 _x86_64_ (8 CPU) 14:27:09 LINUX RESTART (8 CPU) 14:28:02 tps rtps wtps bread/s bwrtn/s 14:29:01 496.05 49.65 446.40 3020.23 176732.08 14:30:01 137.19 0.02 137.18 0.13 55702.85 14:31:01 158.29 23.81 134.48 1229.00 62699.95 Average: 262.55 24.35 238.19 1407.50 97940.64 14:28:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:29:01 26348348 30842180 6590872 20.01 126780 4459464 3809628 11.57 2400888 3608724 501776 14:30:01 25372112 30935892 7567108 22.97 131444 5488468 3069340 9.32 2840004 4097984 717424 14:31:01 26244504 31036828 6694716 20.32 141880 4823224 2492940 7.57 2177476 3991444 160600 Average: 25988321 30938300 6950899 21.10 133368 4923719 3123969 9.48 2472789 3899384 459933 14:28:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:29:01 vetha574d380 0.54 1.46 0.10 0.21 0.00 0.00 0.00 0.00 14:29:01 veth51c29bc7 0.14 0.47 0.01 0.04 0.00 0.00 0.00 0.00 14:29:01 veth0da4998f 2.27 3.02 0.24 0.68 0.00 0.00 0.00 0.00 14:29:01 veth001b7835 5.59 7.03 2.18 2.71 0.00 0.00 0.00 0.00 14:30:01 vetha574d380 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 14:30:01 veth51c29bc7 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:30:01 veth0da4998f 2.78 3.13 0.26 0.27 0.00 0.00 0.00 0.00 14:30:01 veth001b7835 6.65 7.73 2.55 1.57 0.00 0.00 0.00 0.00 14:31:01 vetha574d380 0.13 0.20 0.01 0.02 0.00 0.00 0.00 0.00 14:31:01 veth51c29bc7 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 14:31:01 veth0da4998f 3.17 3.48 0.29 0.30 0.00 0.00 0.00 0.00 14:31:01 veth001b7835 7.13 8.33 2.77 1.70 0.00 0.00 0.00 0.00 Average: vetha574d380 0.26 0.61 0.04 0.08 0.00 0.00 0.00 0.00 Average: veth51c29bc7 0.06 0.22 0.00 0.02 0.00 0.00 0.00 0.00 Average: veth0da4998f 2.74 3.21 0.26 0.42 0.00 0.00 0.00 0.00 Average: veth001b7835 6.46 7.70 2.50 1.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46254) 09/16/25 _x86_64_ (8 CPU) 14:27:09 LINUX RESTART (8 CPU) 14:28:02 CPU %user %nice %system %iowait %steal %idle 14:29:01 all 19.77 0.00 6.25 4.83 0.11 69.04 14:29:01 0 20.37 0.00 6.12 11.83 0.12 61.56 14:29:01 1 19.23 0.00 6.44 1.88 0.10 72.35 14:29:01 2 19.07 0.00 5.66 3.84 0.12 71.31 14:29:01 3 19.68 0.00 6.57 2.48 0.10 71.16 14:29:01 4 20.74 0.00 5.57 1.91 0.10 71.68 14:29:01 5 18.88 0.00 6.21 4.46 0.12 70.33 14:29:01 6 19.67 0.00 6.86 6.77 0.10 66.60 14:29:01 7 20.48 0.00 6.62 5.45 0.10 67.35 14:30:01 all 52.76 0.00 6.68 0.68 0.10 39.78 14:30:01 0 52.53 0.00 6.53 0.67 0.10 40.16 14:30:01 1 52.70 0.00 6.21 0.00 0.10 40.99 14:30:01 2 51.53 0.00 6.47 0.25 0.10 41.64 14:30:01 3 53.01 0.00 6.64 0.64 0.12 39.60 14:30:01 4 50.00 0.00 6.63 0.37 0.10 42.90 14:30:01 5 55.39 0.00 6.77 0.00 0.10 37.74 14:30:01 6 52.56 0.00 6.88 2.97 0.10 37.50 14:30:01 7 54.38 0.00 7.27 0.52 0.12 37.71 14:31:01 all 9.85 0.00 2.16 1.31 0.07 86.62 14:31:01 0 8.56 0.00 1.84 0.25 0.05 89.30 14:31:01 1 11.45 0.00 3.21 2.13 0.07 83.14 14:31:01 2 7.43 0.00 1.63 1.21 0.07 89.67 14:31:01 3 6.78 0.00 1.37 0.47 0.05 91.33 14:31:01 4 11.45 0.00 1.58 0.94 0.07 85.96 14:31:01 5 7.15 0.00 3.12 0.81 0.08 88.84 14:31:01 6 13.71 0.00 2.37 4.31 0.07 79.54 14:31:01 7 12.31 0.00 2.20 0.32 0.07 85.10 Average: all 27.50 0.00 5.02 2.25 0.09 65.13 Average: 0 27.16 0.00 4.82 4.20 0.09 63.73 Average: 1 27.85 0.00 5.28 1.33 0.09 65.45 Average: 2 26.03 0.00 4.57 1.75 0.10 67.55 Average: 3 26.49 0.00 4.84 1.18 0.09 67.39 Average: 4 27.43 0.00 4.59 1.07 0.09 66.82 Average: 5 27.17 0.00 5.36 1.73 0.10 65.63 Average: 6 28.68 0.00 5.35 4.67 0.09 61.20 Average: 7 29.18 0.00 5.37 2.08 0.10 63.27