---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46496 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 1.6M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / 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/712771856fca4cc6675f6fef3749d080b1922666edecfc2cc7c6c0839750621b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/575973eb527518e4ef7211af473ce63640f8554b5a82972945d73499285817c7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/80a7464b1f3d09d0cf283fcd830860381219822a094ee4081afc69585e9cbca2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8efbecd1a3f89265ba397d4e01f489a72949c7a50c9ec7d55611b55fad29ea0b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/fb35d1381306cb316f1be62853346293dd2e932271cf72c92cf65062829f8f45/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1382 27208 1 3576 30327 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:e4:fa:94 brd ff:ff:ff:ff:ff:ff inet 10.30.107.236/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86223sec preferred_lft 86223sec inet6 fe80::f816:3eff:fee4:fa94/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:9a:2e:ed 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 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4e:88:82:05:2b:95 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::4c88:82ff:fe05:2b95/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether de:16:84:02:79:8f 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::dc16:84ff:fe02:798f/64 scope link valid_lft forever preferred_lft forever 6: veth2184ca99@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 16:83:c3:95:14:b4 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::1483:c3ff:fe95:14b4/64 scope link valid_lft forever preferred_lft forever 8: veth78b83fa2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether be:e9:61:ab:4b:d4 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::bce9:61ff:feab:4bd4/64 scope link valid_lft forever preferred_lft forever 10: vethe19f2af9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ca:48:ec:1f:7e:a4 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::c848:ecff:fe1f:7ea4/64 scope link valid_lft forever preferred_lft forever 11: veth423280b1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:29:20:a0:6f:5c brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::3429:20ff:fea0:6f5c/64 scope link valid_lft forever preferred_lft forever 12: veth31d02685@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:e7:2d:0d:ff:54 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::d8e7:2dff:fe0d:ff54/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46496) 09/17/25 _x86_64_ (8 CPU) 11:34:20 LINUX RESTART (8 CPU) 11:35:01 tps rtps wtps bread/s bwrtn/s 11:36:01 281.27 94.13 187.14 2850.19 92003.60 11:37:01 181.15 0.75 180.40 92.65 93264.86 Average: 231.21 47.44 183.77 1471.42 92634.23 11:35:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:36:01 28514476 31102072 4424744 13.43 69072 2806268 2343372 7.11 1863464 2176776 437524 11:37:01 27853772 31046352 5085448 15.44 95532 3358876 2528408 7.68 1953080 2707172 133400 Average: 28184124 31074212 4755096 14.44 82302 3082572 2435890 7.40 1908272 2441974 285462 11:35:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 veth2262f8d8 7.48 7.85 0.85 16.38 0.00 0.00 0.00 0.00 11:36:01 veth1d7b9893 1.50 1.70 0.25 4.28 0.00 0.00 0.00 0.00 11:36:01 ens3 281.85 223.50 4095.57 23.75 0.00 0.00 0.00 0.00 11:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 ens3 110.66 95.13 1855.80 14.30 0.00 0.00 0.00 0.00 11:37:01 vethe19f2af9 8.32 10.03 3.21 3.38 0.00 0.00 0.00 0.00 11:37:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 196.26 159.32 2975.69 19.02 0.00 0.00 0.00 0.00 Average: vethe19f2af9 4.16 5.02 1.61 1.69 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46496) 09/17/25 _x86_64_ (8 CPU) 11:34:20 LINUX RESTART (8 CPU) 11:35:01 CPU %user %nice %system %iowait %steal %idle 11:36:01 all 10.44 0.81 2.83 4.31 0.06 81.54 11:36:01 0 9.32 0.00 2.64 1.71 0.07 86.27 11:36:01 1 6.45 0.00 2.48 6.75 0.07 84.25 11:36:01 2 5.83 0.00 2.76 15.49 0.08 75.84 11:36:01 3 13.90 0.00 3.09 1.34 0.05 81.62 11:36:01 4 15.26 3.18 3.68 1.34 0.07 76.47 11:36:01 5 8.27 1.67 2.85 1.74 0.05 85.42 11:36:01 6 14.95 1.61 2.60 2.28 0.05 78.51 11:36:01 7 9.55 0.00 2.49 3.88 0.07 84.01 11:37:01 all 11.67 0.00 1.67 4.73 0.07 81.86 11:37:01 0 8.06 0.00 1.25 0.50 0.05 90.14 11:37:01 1 10.67 0.00 1.88 1.39 0.08 85.98 11:37:01 2 15.74 0.00 1.94 8.97 0.08 73.26 11:37:01 3 11.98 0.00 1.32 2.49 0.07 84.14 11:37:01 4 10.91 0.00 1.59 0.82 0.03 86.65 11:37:01 5 8.63 0.00 1.68 12.62 0.07 77.00 11:37:01 6 10.10 0.00 1.83 6.28 0.08 81.71 11:37:01 7 17.29 0.00 1.91 4.80 0.08 75.91 Average: all 11.06 0.41 2.25 4.52 0.06 81.70 Average: 0 8.69 0.00 1.95 1.11 0.06 88.19 Average: 1 8.56 0.00 2.18 4.07 0.08 85.12 Average: 2 10.78 0.00 2.35 12.23 0.08 74.55 Average: 3 12.94 0.00 2.21 1.91 0.06 82.88 Average: 4 13.08 1.59 2.63 1.08 0.05 81.57 Average: 5 8.45 0.84 2.26 7.18 0.06 81.21 Average: 6 12.52 0.80 2.21 4.28 0.07 80.11 Average: 7 13.42 0.00 2.20 4.34 0.08 79.96