---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1030 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/7b05235e1150fecad9783a890914b0d8c75aa0016b98c29a4846e3976894aadb/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a2446e2005af214b152710d69eb2bd03f31ae7ee32b06a280233555abeea3ef9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b04cf578871f2f76bbf9693308936d708ea8ce01dd720a2d14325a1dc417b016/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4b4500a6564b8274d1e501bb9268748d174aca2cf87c45a16d92b075ebd5ffff/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a62a3593ef5d387080ae00086871c2e7ccd3e592e47431491da3caa70272149a/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 1607 23804 2 6754 30102 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:72:6d:57 brd ff:ff:ff:ff:ff:ff inet 10.30.107.135/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85944sec preferred_lft 85944sec inet6 fe80::f816:3eff:fe72:6d57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4d:76:68:14 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::42:4dff:fe76:6814/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 2a:fd:05:f1:44:1a 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::28fd:5ff:fef1:441a/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 72:2f:54:76:96:a8 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::702f:54ff:fe76:96a8/64 scope link valid_lft forever preferred_lft forever 7: veth8f0ad6ad@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether d2:3c:1f:5b:ac:c0 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::d03c:1fff:fe5b:acc0/64 scope link valid_lft forever preferred_lft forever 9: veth50d9f2f4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:ea:f3:70:56:4a brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::40ea:f3ff:fe70:564a/64 scope link valid_lft forever preferred_lft forever 10: veth09048cf0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 06:15:cd:3b:7c:fc brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::415:cdff:fe3b:7cfc/64 scope link valid_lft forever preferred_lft forever 13: veth08b8964b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1a:1f:b6:a0:9d:1a brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::181f:b6ff:fea0:9d1a/64 scope link valid_lft forever preferred_lft forever 14: veth56932096@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:9f:f3:ab:6d:74 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::249f:f3ff:feab:6d74/64 scope link valid_lft forever preferred_lft forever 19: br-2b16ad05f75f: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:b1:3d:a4:80 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-2b16ad05f75f valid_lft forever preferred_lft forever inet6 fe80::42:b1ff:fe3d:a480/64 scope link valid_lft forever preferred_lft forever 23: vethb05412e@if22: mtu 1500 qdisc noqueue master br-2b16ad05f75f state UP group default link/ether 96:c9:5b:16:6f:85 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::94c9:5bff:fe16:6f85/64 scope link valid_lft forever preferred_lft forever 25: vethf5f3067@if24: mtu 1500 qdisc noqueue master br-2b16ad05f75f state UP group default link/ether f2:fb:4c:8c:f9:d2 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f0fb:4cff:fe8c:f9d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1030) 09/29/25 _x86_64_ (8 CPU) 11:22:21 LINUX RESTART (8 CPU) 11:23:01 tps rtps wtps bread/s bwrtn/s 11:24:01 162.88 78.61 84.27 4533.69 48991.80 11:25:01 455.72 42.83 412.88 2204.93 81468.13 11:26:01 86.24 0.08 86.15 0.67 46460.51 11:27:01 122.76 3.40 119.36 468.72 75812.43 11:28:01 81.22 2.20 79.02 133.71 43680.19 11:29:01 110.90 20.61 90.28 760.01 19194.13 Average: 169.94 24.62 145.32 1350.32 52600.13 11:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:24:01 29738996 31608260 3200224 9.72 45788 2137148 1578964 4.79 1204580 1703108 372 11:25:01 26942908 31034160 5996312 18.20 120640 4080380 2924520 8.88 2096772 3346900 1380 11:26:01 25564252 30720100 7374968 22.39 129204 5093180 3802404 11.54 2858112 3900496 399492 11:27:01 25711208 31056392 7228012 21.94 133776 5382200 2790100 8.47 2275676 4423884 724228 11:28:01 25071452 30878340 7867768 23.89 148800 5808360 4366616 13.26 2619124 4680208 1804 11:29:01 24463780 30777168 8475440 25.73 187520 6240304 4274348 12.98 2889544 4976296 166516 Average: 26248766 31012403 6690454 20.31 127621 4790262 3289492 9.99 2323968 3838482 215632 11:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:24:01 ens3 471.01 345.38 2501.19 68.94 0.00 0.00 0.00 0.00 11:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 lo 6.18 6.18 1.71 1.71 0.00 0.00 0.00 0.00 11:25:01 ens3 489.12 271.08 8690.42 27.28 0.00 0.00 0.00 0.00 11:25:01 docker0 101.48 197.95 8.59 1253.21 0.00 0.00 0.00 0.00 11:25:01 vethf702ddc 101.48 198.08 9.98 1253.22 0.00 0.00 0.00 0.10 11:25:01 veth09048cf0 4.02 4.80 1.67 1.64 0.00 0.00 0.00 0.00 11:26:01 ens3 78.84 40.14 980.68 4.23 0.00 0.00 0.00 0.00 11:26:01 docker0 3.65 5.30 0.31 1.19 0.00 0.00 0.00 0.00 11:26:01 vethf702ddc 3.65 5.33 0.36 1.19 0.00 0.00 0.00 0.00 11:26:01 veth09048cf0 7.06 8.46 2.53 2.38 0.00 0.00 0.00 0.00 11:27:01 ens3 158.99 90.03 4921.75 8.53 0.00 0.00 0.00 0.00 11:27:01 br-2b16ad05f75f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:27:01 docker0 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 11:27:01 veth09048cf0 7.13 8.58 2.78 1.72 0.00 0.00 0.00 0.00 11:28:01 ens3 151.64 85.35 2997.91 6.96 0.00 0.00 0.00 0.00 11:28:01 br-2b16ad05f75f 0.38 0.58 1.00 0.05 0.00 0.00 0.00 0.00 11:28:01 vethb05412e 0.27 0.53 1.00 0.05 0.00 0.00 0.00 0.00 11:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:29:01 ens3 122.13 84.79 1604.90 13.89 0.00 0.00 0.00 0.00 11:29:01 br-2b16ad05f75f 1.92 2.23 0.72 0.68 0.00 0.00 0.00 0.00 11:29:01 vethb05412e 1.82 2.15 0.73 0.67 0.00 0.00 0.00 0.00 11:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 245.28 152.80 3615.90 21.64 0.00 0.00 0.00 0.00 Average: br-2b16ad05f75f 0.38 0.47 0.29 0.12 0.00 0.00 0.00 0.00 Average: vethb05412e 0.35 0.45 0.29 0.12 0.00 0.00 0.00 0.00 Average: docker0 17.52 33.88 1.48 209.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1030) 09/29/25 _x86_64_ (8 CPU) 11:22:21 LINUX RESTART (8 CPU) 11:23:01 CPU %user %nice %system %iowait %steal %idle 11:24:01 all 7.10 0.92 1.46 6.29 0.05 84.18 11:24:01 0 4.97 3.50 1.62 23.00 0.07 66.83 11:24:01 1 15.96 1.88 1.36 0.95 0.07 79.79 11:24:01 2 6.00 0.00 1.33 1.90 0.05 90.72 11:24:01 3 7.12 0.00 1.19 2.26 0.05 89.38 11:24:01 4 7.02 0.00 1.15 3.59 0.05 88.18 11:24:01 5 5.71 0.00 1.66 7.25 0.07 85.32 11:24:01 6 3.52 1.93 1.73 8.90 0.05 83.87 11:24:01 7 6.49 0.00 1.61 2.44 0.03 89.42 11:25:01 all 10.76 0.00 4.48 19.05 0.10 65.61 11:25:01 0 11.40 0.00 4.72 36.65 0.10 47.12 11:25:01 1 10.08 0.00 3.57 8.36 0.10 77.89 11:25:01 2 11.99 0.00 4.50 12.26 0.10 71.15 11:25:01 3 9.93 0.00 4.85 17.96 0.10 67.15 11:25:01 4 12.70 0.00 4.33 14.38 0.10 68.49 11:25:01 5 9.86 0.00 4.29 18.39 0.10 67.37 11:25:01 6 9.33 0.00 4.94 30.73 0.10 54.89 11:25:01 7 10.84 0.00 4.63 13.68 0.12 70.74 11:26:01 all 42.02 0.00 5.72 2.76 0.11 49.38 11:26:01 0 50.35 0.00 6.69 1.25 0.12 41.59 11:26:01 1 39.00 0.00 5.21 2.34 0.12 53.34 11:26:01 2 40.88 0.00 5.69 0.20 0.14 53.10 11:26:01 3 38.99 0.00 6.19 1.88 0.12 52.82 11:26:01 4 43.35 0.00 6.08 6.20 0.10 44.26 11:26:01 5 43.27 0.00 5.29 1.59 0.10 49.75 11:26:01 6 43.30 0.00 5.09 0.10 0.10 51.40 11:26:01 7 36.93 0.00 5.48 8.59 0.14 48.86 11:27:01 all 21.54 0.22 4.64 4.98 0.09 68.53 11:27:01 0 22.91 0.00 5.91 2.00 0.12 69.07 11:27:01 1 20.78 0.00 4.29 2.80 0.07 72.06 11:27:01 2 20.70 0.00 4.57 10.29 0.10 64.34 11:27:01 3 23.08 0.00 4.44 11.13 0.07 61.29 11:27:01 4 22.75 0.00 4.14 1.25 0.10 71.75 11:27:01 5 22.11 0.00 4.77 1.00 0.07 72.06 11:27:01 6 22.79 0.00 4.43 2.01 0.07 70.70 11:27:01 7 17.20 1.76 4.68 9.40 0.07 66.90 11:28:01 all 3.42 0.00 1.61 5.05 0.07 89.85 11:28:01 0 4.95 0.00 1.39 10.00 0.12 83.55 11:28:01 1 3.40 0.00 1.52 16.42 0.05 78.60 11:28:01 2 2.00 0.00 2.84 2.95 0.07 92.14 11:28:01 3 4.88 0.00 1.65 3.08 0.10 90.29 11:28:01 4 2.96 0.00 1.65 4.00 0.08 91.31 11:28:01 5 3.94 0.00 1.37 0.03 0.05 94.61 11:28:01 6 2.86 0.00 1.12 1.04 0.05 94.92 11:28:01 7 2.37 0.00 1.29 2.79 0.07 93.49 11:29:01 all 9.03 0.00 1.61 2.27 0.07 87.02 11:29:01 0 13.19 0.00 2.30 2.10 0.07 82.35 11:29:01 1 5.68 0.00 1.22 0.13 0.08 92.88 11:29:01 2 6.55 0.00 1.35 4.42 0.08 87.60 11:29:01 3 2.73 0.00 1.37 1.59 0.08 94.22 11:29:01 4 8.13 0.00 1.50 3.32 0.08 86.97 11:29:01 5 8.33 0.00 1.99 0.70 0.07 88.90 11:29:01 6 7.88 0.00 1.59 3.92 0.07 86.54 11:29:01 7 19.70 0.00 1.50 1.99 0.07 76.74 Average: all 15.59 0.19 3.24 6.73 0.08 74.17 Average: 0 17.89 0.58 3.76 12.48 0.10 65.19 Average: 1 15.76 0.31 2.85 5.17 0.08 75.81 Average: 2 14.63 0.00 3.37 5.33 0.09 76.58 Average: 3 14.38 0.00 3.27 6.29 0.09 75.97 Average: 4 16.13 0.00 3.14 5.45 0.09 75.19 Average: 5 15.48 0.00 3.22 4.83 0.08 76.40 Average: 6 14.91 0.32 3.15 7.77 0.07 73.78 Average: 7 15.53 0.29 3.18 6.46 0.08 74.45