---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46973 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 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/504b14b2c176ec1de260de9f6370295a9c686254de0f19a0b42bdf67e07210df/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0071ac4fd36d069abaae37d59052bdee5910ced3cdf7200f51104e61d0afd13d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f4421e368a9127c64d2f3ca300a5b55b21f04f05dc370df3c6de3f1989055e83/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8b117caee5050707754e65026c93e9472c4db46bf9aab8897ae8d3a4dc642fb6/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0c07bf78456f9e956ca42e0c41c43fcb73bf175d43fe9f4e25c53872d6610075/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1528 24298 1 6340 30182 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:a9:10:86 brd ff:ff:ff:ff:ff:ff inet 10.30.106.225/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86001sec preferred_lft 86001sec inet6 fe80::f816:3eff:fea9:1086/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:33:15:f1:4a 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::42:33ff:fe15:f14a/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether c6:53:b5:5c:fe:82 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::c453:b5ff:fe5c:fe82/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 9a:25:64:81:84:45 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::9825:64ff:fe81:8445/64 scope link valid_lft forever preferred_lft forever 6: vethf0badaad@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ca:95:a0:93:8e:c7 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c895:a0ff:fe93:8ec7/64 scope link valid_lft forever preferred_lft forever 7: vethb08793ed@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3a:6d:37:dd:90:1c brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::386d:37ff:fedd:901c/64 scope link valid_lft forever preferred_lft forever 8: vethc367e170@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:67:d0:b1:18:ba brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e067:d0ff:feb1:18ba/64 scope link valid_lft forever preferred_lft forever 11: veth67b06451@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2e:e5:3d:df:64:a6 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::2ce5:3dff:fedf:64a6/64 scope link valid_lft forever preferred_lft forever 12: veth405d188d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c6:d5:f6:46:e2:94 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::c4d5:f6ff:fe46:e294/64 scope link valid_lft forever preferred_lft forever 19: br-b4682ed0bb30: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:a3:10:3b:d3 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-b4682ed0bb30 valid_lft forever preferred_lft forever inet6 fe80::42:a3ff:fe10:3bd3/64 scope link valid_lft forever preferred_lft forever 23: veth46061cb@if22: mtu 1500 qdisc noqueue master br-b4682ed0bb30 state UP group default link/ether ce:d6:78:c8:a1:28 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::ccd6:78ff:fec8:a128/64 scope link valid_lft forever preferred_lft forever 25: veth1119dd4@if24: mtu 1500 qdisc noqueue master br-b4682ed0bb30 state UP group default link/ether 22:ee:15:44:d6:a2 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::20ee:15ff:fe44:d6a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46973) 09/18/25 _x86_64_ (8 CPU) 10:39:03 LINUX RESTART (8 CPU) 10:40:01 tps rtps wtps bread/s bwrtn/s 10:41:01 354.24 47.53 306.72 2944.71 122965.91 10:42:01 262.12 1.88 260.24 15.06 92831.19 10:43:01 162.61 3.42 159.19 458.59 97140.48 10:44:01 63.66 0.43 63.22 71.19 30559.97 10:45:01 112.23 20.53 91.70 779.34 12029.06 Average: 190.97 14.76 176.21 853.78 71105.32 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:41:01 27273232 31071000 5665988 17.20 90188 3924580 2881444 8.75 1948700 3253264 216276 10:42:01 26087136 31049300 6852084 20.80 129636 4927156 2836864 8.61 2450548 3794928 413740 10:43:01 25808012 31030536 7131208 21.65 133352 5271300 2904280 8.82 2298968 4315408 608252 10:44:01 25339272 30967260 7599948 23.07 135312 5651040 3878720 11.78 2486900 4560432 172 10:45:01 25057072 30946516 7882148 23.93 144092 5876456 3853416 11.70 2648300 4653424 13708 Average: 25912945 31012922 7026275 21.33 126516 5130106 3270945 9.93 2366683 4115491 250430 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:41:01 cni0 37.38 35.13 35.78 102.94 0.00 0.00 0.82 0.00 10:41:01 vethf0badaad 0.50 1.48 0.09 0.21 0.00 0.00 0.00 0.00 10:41:01 veth67b06451 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 10:41:01 vethc367e170 1.93 2.78 0.21 0.59 0.00 0.00 0.00 0.00 10:42:01 cni0 11.16 12.46 2.79 2.56 0.00 0.00 0.15 0.00 10:42:01 vethf0badaad 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 10:42:01 veth67b06451 0.05 0.15 0.00 0.01 0.00 0.00 0.00 0.00 10:42:01 vethc367e170 2.87 3.13 0.26 0.31 0.00 0.00 0.00 0.00 10:43:01 cni0 11.73 13.13 3.01 2.17 0.00 0.00 0.07 0.00 10:43:01 vethf0badaad 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 10:43:01 veth67b06451 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 10:43:01 vethc367e170 3.07 3.32 0.28 0.29 0.00 0.00 0.00 0.00 10:44:01 cni0 11.73 13.10 3.01 2.16 0.00 0.00 0.03 0.00 10:44:01 vethf0badaad 0.10 0.13 0.01 0.01 0.00 0.00 0.00 0.00 10:44:01 veth1119dd4 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 10:44:01 veth46061cb 1.13 1.30 0.06 0.09 0.00 0.00 0.00 0.00 10:45:01 cni0 11.90 13.16 3.03 2.19 0.00 0.00 0.03 0.00 10:45:01 vethf0badaad 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 10:45:01 veth1119dd4 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 10:45:01 veth46061cb 3.98 4.00 0.21 0.29 0.00 0.00 0.00 0.00 Average: cni0 16.78 17.40 9.53 22.40 0.00 0.00 0.22 0.00 Average: vethf0badaad 0.20 0.43 0.03 0.06 0.00 0.00 0.00 0.00 Average: veth1119dd4 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth46061cb 1.02 1.06 0.05 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46973) 09/18/25 _x86_64_ (8 CPU) 10:39:03 LINUX RESTART (8 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:41:01 all 11.29 0.30 4.49 12.70 0.09 71.13 10:41:01 0 11.31 0.00 3.65 8.70 0.08 76.26 10:41:01 1 14.71 0.00 4.55 27.37 0.10 53.26 10:41:01 2 8.92 1.77 4.42 8.85 0.08 75.95 10:41:01 3 9.09 0.58 4.49 17.12 0.10 68.63 10:41:01 4 11.32 0.00 4.68 5.10 0.08 78.82 10:41:01 5 13.83 0.00 5.03 15.17 0.08 65.89 10:41:01 6 10.12 0.00 4.71 11.66 0.07 73.45 10:41:01 7 11.02 0.00 4.46 7.62 0.10 76.80 10:42:01 all 35.01 0.00 4.72 4.59 0.12 55.57 10:42:01 0 34.60 0.00 4.15 0.96 0.12 60.18 10:42:01 1 34.59 0.00 5.30 8.25 0.12 51.74 10:42:01 2 32.81 0.00 4.06 2.13 0.10 60.91 10:42:01 3 33.75 0.00 4.45 4.79 0.10 56.91 10:42:01 4 34.94 0.00 5.08 5.97 0.12 53.90 10:42:01 5 36.96 0.00 5.04 10.86 0.13 47.01 10:42:01 6 35.80 0.00 4.98 2.22 0.13 56.87 10:42:01 7 36.68 0.00 4.73 1.56 0.10 56.92 10:43:01 all 30.84 0.22 5.44 3.51 0.11 59.88 10:43:01 0 33.73 0.00 5.23 5.21 0.10 55.72 10:43:01 1 32.97 0.00 5.42 1.87 0.14 59.60 10:43:01 2 30.80 0.00 5.47 8.20 0.13 55.40 10:43:01 3 27.42 0.00 5.29 5.05 0.10 62.14 10:43:01 4 30.67 1.76 5.76 0.32 0.10 61.39 10:43:01 5 30.92 0.02 5.15 1.21 0.10 62.59 10:43:01 6 30.41 0.00 5.72 3.32 0.12 60.42 10:43:01 7 29.75 0.00 5.44 2.93 0.10 61.78 10:44:01 all 2.86 0.00 1.30 1.30 0.05 94.48 10:44:01 0 2.57 0.00 1.86 7.10 0.07 88.40 10:44:01 1 3.84 0.00 1.71 0.08 0.03 94.33 10:44:01 2 2.63 0.00 1.19 1.04 0.05 95.09 10:44:01 3 3.77 0.00 0.92 0.02 0.05 95.25 10:44:01 4 1.71 0.00 0.94 0.20 0.05 97.11 10:44:01 5 2.36 0.00 1.27 0.08 0.05 96.23 10:44:01 6 3.27 0.00 1.04 0.67 0.05 94.97 10:44:01 7 2.78 0.00 1.53 1.21 0.07 94.41 10:45:01 all 8.96 0.00 1.09 0.84 0.12 88.99 10:45:01 0 4.14 0.00 1.17 1.04 0.15 93.50 10:45:01 1 7.76 0.00 1.09 0.57 0.12 90.47 10:45:01 2 2.40 0.00 0.62 0.42 0.08 96.48 10:45:01 3 11.99 0.00 1.74 2.14 0.12 84.01 10:45:01 4 3.93 0.00 1.00 0.89 0.13 94.04 10:45:01 5 5.49 0.00 0.72 0.03 0.10 93.65 10:45:01 6 6.59 0.00 0.82 0.60 0.08 91.90 10:45:01 7 29.40 0.00 1.57 1.04 0.17 67.83 Average: all 17.77 0.10 3.40 4.58 0.10 74.05 Average: 0 17.24 0.00 3.21 4.60 0.10 74.85 Average: 1 18.74 0.00 3.61 7.61 0.10 69.94 Average: 2 15.51 0.35 3.15 4.11 0.09 76.79 Average: 3 17.17 0.11 3.37 5.80 0.09 73.45 Average: 4 16.48 0.35 3.48 2.49 0.10 77.09 Average: 5 17.88 0.00 3.44 5.46 0.09 73.12 Average: 6 17.21 0.00 3.45 3.69 0.09 75.56 Average: 7 21.94 0.00 3.54 2.87 0.11 71.54