---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-392 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 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/9f1667404ccb6ba691073e41ce70977a3ddfcba456a6794963faace3b73e2438/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b63f001cdfc42d0ff45a2f1471d13084ceb5860ab955a54e2182b2320c501723/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/405192ad04fa8e82a094e72f22847d196d6fa2a6c125f234b02783eca323d6a9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/bd4e042adafb685b1ce828deb36911e2ee3813adb8dd5a4e579b6d571106388d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8f8fcdb771fb1c84c8a9b9c2e141cb0b8994778481c4a75814313057f0c5ec76/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 1637 23771 2 6757 30072 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:f4:59:64 brd ff:ff:ff:ff:ff:ff inet 10.30.107.20/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:fef4:5964/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:99:38:55:8b 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::42:99ff:fe38:558b/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 66:33:e4:48:f2:b7 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::6433:e4ff:fe48:f2b7/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ce:67:f0:46:9a:90 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::cc67:f0ff:fe46:9a90/64 scope link valid_lft forever preferred_lft forever 6: vethc68fe238@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a6:2c:49:e5:f5:65 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::a42c:49ff:fee5:f565/64 scope link valid_lft forever preferred_lft forever 7: veth9ec753dd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:80:67:cb:67:cc brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::7480:67ff:fecb:67cc/64 scope link valid_lft forever preferred_lft forever 8: veth4b07d8df@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:0f:38:73:54:22 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::ac0f:38ff:fe73:5422/64 scope link valid_lft forever preferred_lft forever 13: vethcacb3d6a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:0d:9f:48:7d:fb brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::200d:9fff:fe48:7dfb/64 scope link valid_lft forever preferred_lft forever 14: veth5dd63d86@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:39:77:a0:58:bf brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::fc39:77ff:fea0:58bf/64 scope link valid_lft forever preferred_lft forever 19: br-2f057bf6cc2f: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:08:d0:c4:84 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-2f057bf6cc2f valid_lft forever preferred_lft forever inet6 fe80::42:8ff:fed0:c484/64 scope link valid_lft forever preferred_lft forever 23: vethb6daa93@if22: mtu 1500 qdisc noqueue master br-2f057bf6cc2f state UP group default link/ether 5a:70:b7:26:00:ab brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5870:b7ff:fe26:ab/64 scope link valid_lft forever preferred_lft forever 25: vetha6c150f@if24: mtu 1500 qdisc noqueue master br-2f057bf6cc2f state UP group default link/ether da:0a:88:ec:7a:e6 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::d80a:88ff:feec:7ae6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-392) 09/26/25 _x86_64_ (8 CPU) 18:10:17 LINUX RESTART (8 CPU) 18:11:01 tps rtps wtps bread/s bwrtn/s 18:12:01 593.92 83.99 509.93 3690.58 151702.32 18:13:01 74.67 0.05 74.62 0.40 88445.66 18:14:01 182.54 4.02 178.52 560.21 109560.81 18:15:01 71.69 19.80 51.89 720.15 10615.16 18:16:01 109.95 2.53 107.42 93.05 10976.84 Average: 206.55 22.08 184.48 1012.86 74261.33 18:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:12:01 26906376 31041436 6032844 18.32 126056 4130764 2820980 8.56 2100672 3373472 28940 18:13:01 25426960 30704560 7512260 22.81 132456 5212236 3704332 11.25 2935440 3958604 522564 18:14:01 25327160 30951916 7612060 23.11 138552 5645296 3893160 11.82 2503976 4556836 1176 18:15:01 24748396 30862048 8190824 24.87 182312 6068656 4100720 12.45 2789584 4814360 32156 18:16:01 24314816 30765716 8624404 26.18 196004 6353096 4199592 12.75 2910996 5086908 127920 Average: 25344742 30865135 7594478 23.06 155076 5482010 3743757 11.37 2648134 4358036 142551 18:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:12:01 vethcacb3d6a 0.10 0.28 0.01 0.02 0.00 0.00 0.00 0.00 18:12:01 lo 242.79 242.79 273.83 273.83 0.00 0.00 0.00 0.00 18:12:01 vethc68fe238 1.78 2.65 0.19 0.60 0.00 0.00 0.00 0.00 18:12:01 veth5ccd15c 111.01 183.17 10.62 1252.26 0.00 0.00 0.00 0.10 18:13:01 vethcacb3d6a 0.05 0.22 0.00 0.01 0.00 0.00 0.00 0.00 18:13:01 lo 19.51 19.51 8.94 8.94 0.00 0.00 0.00 0.00 18:13:01 vethc68fe238 2.80 3.25 0.26 0.32 0.00 0.00 0.00 0.00 18:13:01 veth5ccd15c 2.72 3.83 0.26 1.04 0.00 0.00 0.00 0.00 18:14:01 vethcacb3d6a 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 18:14:01 lo 16.08 16.08 4.35 4.35 0.00 0.00 0.00 0.00 18:14:01 vethc68fe238 3.05 3.30 0.28 0.29 0.00 0.00 0.00 0.00 18:14:01 br-2f057bf6cc2f 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 18:15:01 vethcacb3d6a 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 18:15:01 lo 33.26 33.26 13.53 13.53 0.00 0.00 0.00 0.00 18:15:01 vethc68fe238 3.17 3.48 0.29 0.40 0.00 0.00 0.00 0.00 18:15:01 br-2f057bf6cc2f 2.13 2.42 1.69 0.70 0.00 0.00 0.00 0.00 18:16:01 vethcacb3d6a 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 lo 14.95 14.95 5.19 5.19 0.00 0.00 0.00 0.00 18:16:01 vethc68fe238 3.07 3.42 0.28 0.29 0.00 0.00 0.00 0.00 18:16:01 br-2f057bf6cc2f 0.22 0.32 0.04 0.03 0.00 0.00 0.00 0.00 Average: vethcacb3d6a 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 65.32 65.32 61.17 61.17 0.00 0.00 0.00 0.00 Average: vethc68fe238 2.77 3.22 0.26 0.38 0.00 0.00 0.00 0.00 Average: br-2f057bf6cc2f 0.47 0.57 0.35 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-392) 09/26/25 _x86_64_ (8 CPU) 18:10:17 LINUX RESTART (8 CPU) 18:11:01 CPU %user %nice %system %iowait %steal %idle 18:12:01 all 13.80 0.74 5.51 5.00 0.09 74.85 18:12:01 0 14.11 0.00 5.17 2.94 0.08 77.69 18:12:01 1 13.21 0.00 5.89 9.93 0.10 70.87 18:12:01 2 12.72 3.73 5.23 1.95 0.08 76.29 18:12:01 3 13.95 0.02 6.57 9.50 0.12 69.85 18:12:01 4 12.27 0.00 5.69 5.05 0.08 76.91 18:12:01 5 15.76 1.46 5.41 2.71 0.10 74.56 18:12:01 6 15.78 0.70 5.06 5.52 0.08 72.85 18:12:01 7 12.63 0.00 5.07 2.40 0.08 79.81 18:13:01 all 48.77 0.00 6.09 1.32 0.13 43.68 18:13:01 0 53.89 0.00 6.96 1.92 0.13 37.09 18:13:01 1 48.03 0.00 6.23 2.34 0.13 43.27 18:13:01 2 47.18 0.00 5.40 0.02 0.15 47.25 18:13:01 3 47.15 0.00 5.82 0.19 0.15 46.69 18:13:01 4 48.22 0.00 6.43 1.18 0.13 44.03 18:13:01 5 47.41 0.00 6.37 3.82 0.14 42.27 18:13:01 6 45.94 0.00 5.49 0.67 0.10 47.80 18:13:01 7 52.36 0.00 6.04 0.45 0.15 41.00 18:14:01 all 17.30 0.21 4.61 2.07 0.10 75.71 18:14:01 0 22.02 0.00 4.21 1.52 0.13 72.11 18:14:01 1 16.39 0.00 4.32 0.12 0.07 79.10 18:14:01 2 16.95 1.04 4.31 1.01 0.08 76.60 18:14:01 3 17.09 0.00 5.17 2.53 0.12 75.10 18:14:01 4 16.80 0.00 4.91 1.51 0.10 76.67 18:14:01 5 16.90 0.64 4.30 0.17 0.10 77.89 18:14:01 6 17.76 0.00 4.47 2.13 0.08 75.55 18:14:01 7 14.47 0.00 5.21 7.56 0.10 72.66 18:15:01 all 4.63 0.00 1.90 0.47 0.08 92.92 18:15:01 0 3.49 0.00 2.56 1.07 0.07 92.81 18:15:01 1 3.14 0.00 1.62 0.42 0.07 94.75 18:15:01 2 2.48 0.00 1.96 0.37 0.08 95.11 18:15:01 3 2.70 0.00 1.27 0.40 0.05 95.58 18:15:01 4 5.05 0.00 1.39 0.07 0.08 93.42 18:15:01 5 6.87 0.00 1.70 0.47 0.08 90.88 18:15:01 6 3.99 0.00 1.63 0.84 0.07 93.48 18:15:01 7 9.37 0.00 3.06 0.15 0.13 87.29 18:16:01 all 11.43 0.00 1.07 0.79 0.08 86.62 18:16:01 0 13.38 0.00 0.78 0.03 0.03 85.77 18:16:01 1 7.73 0.00 1.24 2.84 0.12 88.07 18:16:01 2 23.38 0.00 1.70 0.35 0.10 74.47 18:16:01 3 10.78 0.00 1.06 0.60 0.08 87.48 18:16:01 4 12.15 0.00 1.14 0.37 0.12 86.23 18:16:01 5 6.53 0.00 0.68 0.60 0.05 92.14 18:16:01 6 3.34 0.00 0.62 0.80 0.03 95.21 18:16:01 7 14.22 0.00 1.40 0.72 0.12 83.54 Average: all 19.16 0.19 3.83 1.93 0.10 74.79 Average: 0 21.34 0.00 3.93 1.49 0.09 73.15 Average: 1 17.66 0.00 3.86 3.13 0.10 75.25 Average: 2 20.58 0.95 3.72 0.74 0.10 73.91 Average: 3 18.31 0.00 3.97 2.64 0.10 74.97 Average: 4 18.87 0.00 3.91 1.63 0.10 75.49 Average: 5 18.63 0.42 3.68 1.55 0.09 75.63 Average: 6 17.32 0.14 3.44 1.99 0.07 77.03 Average: 7 20.60 0.00 4.15 2.25 0.12 72.88