---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-658 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 1.8M 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 0 3.2G 0% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0c28a3f44a9bfd1604c683ed194dc0cc816b0ccb47189a32c431b75ca5c74366/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/10c3e7aafeb567fc1ad55ffe8c7629333f544d630a3217f3ae8cb15f7756deed/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e0aa761c4f3f02fa747a32d6ffd4817d373540814533828f85a02f4977ea92d4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/52a78d4828bc108b76858307bf8cc31cbb2cc3b7abef565f0b3fff63bdb4bf21/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/84721c714c2c9e92c69d01c59aa8a7eace9f86e857cab106e58157f730bf6ed3/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1550 24273 1 6343 30159 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:b1:b7:0c brd ff:ff:ff:ff:ff:ff inet 10.30.107.235/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85999sec preferred_lft 85999sec inet6 fe80::f816:3eff:feb1:b70c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f3:44:e9:bb 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:f3ff:fe44:e9bb/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 66:da:fe:35:51:52 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::64da:feff:fe35:5152/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ba:e0:5d:44:57:6f 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::b8e0:5dff:fe44:576f/64 scope link valid_lft forever preferred_lft forever 6: vethf21eb4e8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1e:53:fc:bf:5a:36 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::1c53:fcff:febf:5a36/64 scope link valid_lft forever preferred_lft forever 7: vethd5ca0e86@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 72:76:53:29:1f:1d brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::7076:53ff:fe29:1f1d/64 scope link valid_lft forever preferred_lft forever 8: vethda0d899c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:87:28:87:ad:90 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9c87:28ff:fe87:ad90/64 scope link valid_lft forever preferred_lft forever 13: veth98d6a44a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:b5:4f:fe:74:c4 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::94b5:4fff:fefe:74c4/64 scope link valid_lft forever preferred_lft forever 14: veth3e01c7d4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8a:a5:a2:3f:48:6e brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::88a5:a2ff:fe3f:486e/64 scope link valid_lft forever preferred_lft forever 19: br-24bd8762d4cc: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:13:37:a3:46 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-24bd8762d4cc valid_lft forever preferred_lft forever inet6 fe80::42:13ff:fe37:a346/64 scope link valid_lft forever preferred_lft forever 23: veth0689bb5@if22: mtu 1500 qdisc noqueue master br-24bd8762d4cc state UP group default link/ether 46:7c:1d:ea:aa:ed brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::447c:1dff:feea:aaed/64 scope link valid_lft forever preferred_lft forever 25: vethe9fba81@if24: mtu 1500 qdisc noqueue master br-24bd8762d4cc state UP group default link/ether a6:16:2d:46:38:8b brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::a416:2dff:fe46:388b/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-658) 09/27/25 _x86_64_ (8 CPU) 15:45:23 LINUX RESTART (8 CPU) 15:46:01 tps rtps wtps bread/s bwrtn/s 15:47:01 280.92 116.98 163.94 6371.34 79974.00 15:48:01 425.93 3.38 422.55 347.41 130339.08 15:49:01 130.91 3.12 127.80 421.66 90258.42 15:50:01 139.66 0.75 138.91 110.91 68454.86 15:51:01 53.64 19.86 33.78 691.08 3002.70 Average: 206.21 28.82 177.39 1588.48 74405.81 15:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:47:01 28425852 31234256 4513368 13.70 68836 3017016 2369500 7.19 1720252 2401316 721960 15:48:01 24712492 30026728 8226728 24.98 131184 5228452 4088668 12.41 3596056 4010780 791128 15:49:01 26775072 31035964 6164148 18.71 132568 4342260 2697336 8.19 2238596 3439132 150948 15:50:01 25318920 30947088 7620300 23.13 137772 5649388 3889300 11.81 2506748 4561088 1272 15:51:01 25029232 30824960 7909988 24.01 145752 5794488 3956504 12.01 2737556 4603516 87780 Average: 26052314 30813799 6886906 20.91 123222 4806321 3400262 10.32 2559842 3803166 350618 15:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 vethda0d899c 0.12 0.60 0.01 0.05 0.00 0.00 0.00 0.00 15:47:01 lo 161.79 161.79 82.29 82.29 0.00 0.00 0.00 0.00 15:47:01 vethd5ca0e86 0.12 0.68 0.01 0.06 0.00 0.00 0.00 0.00 15:48:01 docker0 166.89 269.26 12.36 1257.59 0.00 0.00 0.00 0.00 15:48:01 vethda0d899c 7.87 9.47 3.12 3.31 0.00 0.00 0.00 0.00 15:48:01 lo 98.13 98.13 198.67 198.67 0.00 0.00 0.00 0.00 15:48:01 vethd5ca0e86 0.45 0.90 0.09 0.16 0.00 0.00 0.00 0.00 15:49:01 docker0 0.60 0.70 0.05 0.67 0.00 0.00 0.00 0.00 15:49:01 vethda0d899c 7.25 8.53 2.78 1.72 0.00 0.00 0.00 0.00 15:49:01 lo 13.28 13.28 4.10 4.10 0.00 0.00 0.00 0.00 15:49:01 vethd5ca0e86 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 15:50:01 vethda0d899c 7.05 8.43 2.77 1.71 0.00 0.00 0.00 0.00 15:50:01 veth0689bb5 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:50:01 lo 15.33 15.33 4.41 4.41 0.00 0.00 0.00 0.00 15:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 vethda0d899c 7.50 8.33 2.80 1.70 0.00 0.00 0.00 0.00 15:51:01 veth0689bb5 3.57 3.60 0.19 0.26 0.00 0.00 0.00 0.00 15:51:01 lo 14.45 14.45 4.15 4.15 0.00 0.00 0.00 0.00 Average: docker0 33.50 54.00 2.48 251.65 0.00 0.00 0.00 0.00 Average: vethda0d899c 5.96 7.07 2.30 1.70 0.00 0.00 0.00 0.00 Average: veth0689bb5 0.71 0.75 0.04 0.05 0.00 0.00 0.00 0.00 Average: lo 60.60 60.60 58.73 58.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-658) 09/27/25 _x86_64_ (8 CPU) 15:45:23 LINUX RESTART (8 CPU) 15:46:01 CPU %user %nice %system %iowait %steal %idle 15:47:01 all 11.84 0.64 3.33 5.31 0.06 78.83 15:47:01 0 10.42 0.02 3.04 1.25 0.05 85.21 15:47:01 1 12.91 3.43 3.82 10.10 0.07 69.66 15:47:01 2 8.55 0.00 3.32 12.59 0.07 75.47 15:47:01 3 11.32 1.61 3.85 2.09 0.05 81.08 15:47:01 4 18.97 0.00 3.31 3.74 0.05 73.93 15:47:01 5 10.94 0.00 3.13 0.97 0.07 84.89 15:47:01 6 11.09 0.00 2.90 10.81 0.05 75.15 15:47:01 7 10.48 0.00 3.25 0.87 0.05 85.34 15:48:01 all 35.20 0.00 5.79 8.34 0.10 50.58 15:48:01 0 33.84 0.00 6.00 3.44 0.10 56.63 15:48:01 1 36.81 0.00 5.73 1.61 0.10 55.75 15:48:01 2 35.46 0.00 5.52 7.68 0.10 51.25 15:48:01 3 34.59 0.00 5.54 10.36 0.10 49.40 15:48:01 4 34.52 0.00 6.02 5.48 0.10 53.87 15:48:01 5 34.35 0.00 5.97 13.39 0.10 46.20 15:48:01 6 36.20 0.00 5.60 12.42 0.10 45.68 15:48:01 7 35.81 0.00 5.91 12.37 0.12 45.79 15:49:01 all 32.58 0.23 4.90 3.27 0.09 58.93 15:49:01 0 32.36 0.00 4.89 0.00 0.10 62.65 15:49:01 1 31.98 0.00 4.43 5.50 0.08 58.00 15:49:01 2 34.14 0.00 5.11 3.43 0.10 57.22 15:49:01 3 30.59 0.00 4.36 2.41 0.08 62.57 15:49:01 4 38.59 0.00 4.66 2.44 0.10 54.21 15:49:01 5 31.32 1.83 5.16 0.00 0.08 61.61 15:49:01 6 31.76 0.00 5.86 9.54 0.10 52.74 15:49:01 7 29.92 0.00 4.70 2.85 0.08 62.45 15:50:01 all 5.54 0.00 2.64 3.91 0.07 87.84 15:50:01 0 4.56 0.00 2.66 0.54 0.07 92.18 15:50:01 1 5.07 0.00 2.91 9.45 0.07 82.50 15:50:01 2 4.38 0.00 2.38 2.55 0.07 90.63 15:50:01 3 4.51 0.00 1.97 2.93 0.08 90.51 15:50:01 4 6.00 0.00 3.59 0.05 0.07 90.30 15:50:01 5 6.20 0.00 2.77 5.46 0.07 85.49 15:50:01 6 7.90 0.00 2.27 0.05 0.08 89.70 15:50:01 7 5.66 0.00 2.56 10.36 0.08 81.33 15:51:01 all 4.87 0.00 0.76 0.29 0.06 94.02 15:51:01 0 3.27 0.00 0.80 0.02 0.07 95.84 15:51:01 1 2.93 0.00 0.50 0.05 0.05 96.47 15:51:01 2 2.51 0.00 0.57 0.18 0.07 96.67 15:51:01 3 13.50 0.00 1.15 0.50 0.07 84.78 15:51:01 4 4.96 0.00 0.61 0.07 0.05 94.31 15:51:01 5 6.40 0.00 0.87 0.67 0.08 91.98 15:51:01 6 1.93 0.00 0.79 0.82 0.07 96.40 15:51:01 7 3.44 0.00 0.80 0.05 0.05 95.66 Average: all 17.97 0.17 3.48 4.22 0.08 74.08 Average: 0 16.86 0.00 3.47 1.05 0.08 78.54 Average: 1 17.92 0.69 3.48 5.34 0.07 72.50 Average: 2 16.98 0.00 3.38 5.28 0.08 74.28 Average: 3 18.89 0.32 3.37 3.65 0.08 73.69 Average: 4 20.55 0.00 3.63 2.35 0.07 73.40 Average: 5 17.81 0.37 3.57 4.08 0.08 74.08 Average: 6 17.75 0.00 3.48 6.72 0.08 71.96 Average: 7 17.02 0.00 3.44 5.28 0.08 74.18