---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46805 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/63967c54b1fe2269f60075fc7db9cf252acb77ebb4e57489ca8809e0f478bf3a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3bdbd28c491e72c62710790c0fb7a82361d5bbeffdbcbb780fb71256df0f7edd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f381227ba78ac79cafd598f599acfbd3549b9c0d616422079caa6b4936b7b557/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a3bcfdb9628ab5d6d37dd43b6e14599cd8a017bdafccebed7469034b515cccc1/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/264ec2c223de2cf8716a1144f5d825e40e824e9a7912b26ae649927a0952949e/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 1661 23748 2 6756 30049 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:4a:e6:25 brd ff:ff:ff:ff:ff:ff inet 10.30.106.105/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86038sec preferred_lft 86038sec inet6 fe80::f816:3eff:fe4a:e625/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:6a:1d:f6 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::42:87ff:fe6a:1df6/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 3e:aa:c9:4d:39:c5 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::3caa:c9ff:fe4d:39c5/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 7a:39:51:61:b3:89 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::7839:51ff:fe61:b389/64 scope link valid_lft forever preferred_lft forever 6: veth02dfe0fe@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:32:57:f1:b5:64 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::fc32:57ff:fef1:b564/64 scope link valid_lft forever preferred_lft forever 7: veth4b34db79@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:92:d1:8e:ac:db brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::3c92:d1ff:fe8e:acdb/64 scope link valid_lft forever preferred_lft forever 8: vetha992dd83@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8e:d3:08:c5:ab:7f brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::8cd3:8ff:fec5:ab7f/64 scope link valid_lft forever preferred_lft forever 13: vethf48e6594@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 62:0a:74:09:0c:52 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::600a:74ff:fe09:c52/64 scope link valid_lft forever preferred_lft forever 14: veth26fdee60@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:77:bb:5c:c2:b8 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4077:bbff:fe5c:c2b8/64 scope link valid_lft forever preferred_lft forever 19: br-fe499e8d02be: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:d3:c1:3d:6a brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-fe499e8d02be valid_lft forever preferred_lft forever inet6 fe80::42:d3ff:fec1:3d6a/64 scope link valid_lft forever preferred_lft forever 23: veth429a1e7@if22: mtu 1500 qdisc noqueue master br-fe499e8d02be state UP group default link/ether 06:94:99:4b:c5:95 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::494:99ff:fe4b:c595/64 scope link valid_lft forever preferred_lft forever 25: vethf021455@if24: mtu 1500 qdisc noqueue master br-fe499e8d02be state UP group default link/ether d6:19:fa:4b:ff:8e brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::d419:faff:fe4b:ff8e/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-46805) 09/18/25 _x86_64_ (8 CPU) 09:22:13 LINUX RESTART (8 CPU) 09:23:01 tps rtps wtps bread/s bwrtn/s 09:24:01 588.24 83.99 504.25 3723.43 158808.26 09:25:01 70.72 0.02 70.70 0.13 77432.29 09:26:01 173.30 3.95 169.36 560.44 97444.16 09:27:01 70.54 19.80 50.74 720.15 10467.19 09:28:01 115.85 3.05 112.80 97.45 11047.63 Average: 203.74 22.16 181.58 1020.41 71042.83 09:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:24:01 26773476 30963356 6165744 18.72 124096 4173188 3590756 10.90 2231840 3367436 21000 09:25:01 25481424 30914556 7457796 22.64 130068 5358084 3641180 11.05 2792928 4038492 662032 09:26:01 25295904 30924032 7643316 23.20 136584 5651192 3849340 11.69 2533456 4560784 1104 09:27:01 24669652 30794972 8269568 25.11 181512 6080480 4128044 12.53 2864632 4818620 40992 09:28:01 24340612 30792596 8598608 26.10 193224 6356532 4123328 12.52 2882016 5090228 127672 Average: 25312214 30877902 7627006 23.15 153097 5523895 3866530 11.74 2660974 4375112 170560 09:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:24:01 vethf48e6594 0.10 0.28 0.01 0.02 0.00 0.00 0.00 0.00 09:24:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 veth4bde968 103.75 153.05 10.29 1253.67 0.00 0.00 0.00 0.10 09:24:01 veth26fdee60 0.10 0.22 0.01 0.02 0.00 0.00 0.00 0.00 09:25:01 vethf48e6594 0.05 0.20 0.00 0.01 0.00 0.00 0.00 0.00 09:25:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 veth4bde968 0.52 0.73 0.05 0.65 0.00 0.00 0.00 0.00 09:25:01 veth26fdee60 4.28 3.45 0.78 1.97 0.00 0.00 0.00 0.00 09:26:01 veth429a1e7 0.00 0.15 0.00 0.01 0.00 0.00 0.00 0.00 09:26:01 vethf48e6594 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:26:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 veth26fdee60 1.37 1.48 0.11 0.18 0.00 0.00 0.00 0.00 09:27:01 veth429a1e7 1.98 2.35 1.71 0.69 0.00 0.00 0.00 0.00 09:27:01 vethf48e6594 0.02 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:27:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 veth26fdee60 1.62 1.82 0.13 0.47 0.00 0.00 0.00 0.00 09:28:01 veth429a1e7 0.17 0.28 0.04 0.02 0.00 0.00 0.00 0.00 09:28:01 vethf48e6594 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 veth26fdee60 1.43 1.57 0.11 0.41 0.00 0.00 0.00 0.00 Average: veth429a1e7 0.43 0.56 0.35 0.14 0.00 0.00 0.00 0.00 Average: vethf48e6594 0.04 0.15 0.00 0.01 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 Average: veth26fdee60 1.76 1.71 0.23 0.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46805) 09/18/25 _x86_64_ (8 CPU) 09:22:13 LINUX RESTART (8 CPU) 09:23:01 CPU %user %nice %system %iowait %steal %idle 09:24:01 all 14.49 0.58 5.30 7.82 0.07 71.75 09:24:01 0 14.69 0.00 5.48 15.74 0.07 64.03 09:24:01 1 14.11 0.00 5.01 4.42 0.07 76.40 09:24:01 2 18.37 0.00 5.72 6.81 0.08 69.02 09:24:01 3 12.92 0.00 5.02 8.46 0.08 73.51 09:24:01 4 13.22 0.00 4.84 4.10 0.05 77.80 09:24:01 5 13.28 3.00 4.99 8.23 0.08 70.41 09:24:01 6 14.05 1.61 5.61 11.02 0.07 67.65 09:24:01 7 15.24 0.00 5.68 3.80 0.07 75.22 09:25:01 all 52.15 0.00 6.33 1.76 0.10 39.66 09:25:01 0 54.31 0.00 6.21 6.51 0.10 32.87 09:25:01 1 49.23 0.00 6.17 0.44 0.10 44.06 09:25:01 2 49.27 0.00 6.33 1.23 0.10 43.08 09:25:01 3 54.95 0.00 6.71 0.59 0.10 37.65 09:25:01 4 49.88 0.00 5.89 0.15 0.10 43.97 09:25:01 5 56.00 0.00 7.01 1.15 0.10 35.74 09:25:01 6 53.20 0.00 6.10 2.41 0.12 38.16 09:25:01 7 50.35 0.00 6.22 1.55 0.12 41.76 09:26:01 all 12.39 0.23 3.81 3.61 0.09 79.88 09:26:01 0 15.00 0.00 3.69 5.02 0.10 76.19 09:26:01 1 10.03 0.62 4.24 10.42 0.07 74.62 09:26:01 2 16.38 0.00 3.82 0.89 0.08 78.82 09:26:01 3 12.81 0.00 3.65 3.21 0.10 80.23 09:26:01 4 12.42 0.00 3.91 6.61 0.08 76.98 09:26:01 5 9.38 0.19 4.00 2.40 0.08 83.95 09:26:01 6 10.91 1.01 3.43 0.05 0.08 84.51 09:26:01 7 12.16 0.00 3.69 0.30 0.08 83.76 09:27:01 all 4.20 0.00 1.87 0.52 0.06 93.34 09:27:01 0 6.90 0.00 1.62 1.09 0.05 90.34 09:27:01 1 2.52 0.00 2.53 0.27 0.03 94.65 09:27:01 2 4.35 0.00 1.56 0.82 0.07 93.20 09:27:01 3 5.47 0.00 2.68 0.08 0.05 91.72 09:27:01 4 2.30 0.00 1.35 0.27 0.07 96.02 09:27:01 5 4.26 0.00 1.63 0.55 0.07 93.49 09:27:01 6 3.30 0.00 1.86 0.08 0.07 94.69 09:27:01 7 4.53 0.00 1.76 1.02 0.08 92.60 09:28:01 all 11.59 0.00 1.18 0.61 0.09 86.53 09:28:01 0 19.59 0.00 1.65 1.31 0.08 77.36 09:28:01 1 26.84 0.00 2.31 0.79 0.10 69.96 09:28:01 2 6.52 0.00 1.00 0.35 0.07 92.06 09:28:01 3 4.07 0.00 0.95 1.44 0.10 93.44 09:28:01 4 3.33 0.00 0.68 0.25 0.13 95.61 09:28:01 5 17.50 0.00 1.19 0.12 0.08 81.12 09:28:01 6 3.60 0.00 0.72 0.15 0.07 95.47 09:28:01 7 11.36 0.00 0.97 0.50 0.08 87.09 Average: all 18.92 0.16 3.69 2.86 0.08 74.29 Average: 0 22.03 0.00 3.72 5.93 0.08 68.24 Average: 1 20.51 0.12 4.05 3.26 0.07 71.98 Average: 2 18.95 0.00 3.68 2.02 0.08 75.28 Average: 3 18.01 0.00 3.80 2.75 0.09 75.36 Average: 4 16.15 0.00 3.32 2.26 0.09 78.18 Average: 5 20.07 0.64 3.76 2.48 0.08 72.98 Average: 6 16.97 0.52 3.54 2.73 0.08 76.16 Average: 7 18.68 0.00 3.66 1.44 0.09 76.14