---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46790 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/17e9cb96aab6361187c080ad4e52b7901176fa661e216c65d99685d3bcc7a696/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/74209e667295ece4347f76af380853ce7fd9033eb3a06c3c6e119fb3c1789b2c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f9adb409803b6af9d9e2148bcecadea90ad24cdfdb6fb9c4ee52e484935cceee/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/35a74235a94a8f54eb2585c427b5e4329b869727244f067ca0ecd04486ccc202/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c84e62c206db4b927679d8e9245d89d9b1d229f052a295b0df75793c653d438a/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1560 24260 1 6345 30149 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:d9:59:f3 brd ff:ff:ff:ff:ff:ff inet 10.30.106.113/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86037sec preferred_lft 86037sec inet6 fe80::f816:3eff:fed9:59f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1e:0b:03:43 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::42:1eff:fe0b:343/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether a6:ff:79:79:b1:d0 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::a4ff:79ff:fe79:b1d0/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether c2:fd:aa:ee:e0:b9 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::c0fd:aaff:feee:e0b9/64 scope link valid_lft forever preferred_lft forever 8: veth317dd00b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:3d:78:8e:00:ea brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3c3d:78ff:fe8e:ea/64 scope link valid_lft forever preferred_lft forever 9: veth6a9ec8c5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:89:48:2f:b9:75 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::ac89:48ff:fe2f:b975/64 scope link valid_lft forever preferred_lft forever 10: vethe2b2b44d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:32:89:82:21:5c brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::32:89ff:fe82:215c/64 scope link valid_lft forever preferred_lft forever 13: vethaceeccc1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:08:11:c7:6e:c7 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::2408:11ff:fec7:6ec7/64 scope link valid_lft forever preferred_lft forever 14: veth08b55f30@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:b5:b4:5e:fa:22 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::e0b5:b4ff:fe5e:fa22/64 scope link valid_lft forever preferred_lft forever 19: br-cf448842e200: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:af:da:ce:ee brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-cf448842e200 valid_lft forever preferred_lft forever inet6 fe80::42:afff:feda:ceee/64 scope link valid_lft forever preferred_lft forever 23: veth8931348@if22: mtu 1500 qdisc noqueue master br-cf448842e200 state UP group default link/ether 1a:18:55:d0:1d:19 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::1818:55ff:fed0:1d19/64 scope link valid_lft forever preferred_lft forever 25: vethfeb8cfc@if24: mtu 1500 qdisc noqueue master br-cf448842e200 state UP group default link/ether 5e:6c:9d:65:48:42 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::5c6c:9dff:fe65:4842/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46790) 09/18/25 _x86_64_ (8 CPU) 08:55:24 LINUX RESTART (8 CPU) 08:56:01 tps rtps wtps bread/s bwrtn/s 08:57:01 527.93 88.90 439.03 3690.05 86716.61 08:58:01 296.27 3.15 293.12 310.35 57413.50 08:59:01 200.67 3.88 196.78 542.71 98876.19 09:00:01 9.78 0.02 9.76 0.13 449.32 09:01:01 143.46 20.53 122.93 780.00 14004.47 Average: 235.61 23.30 212.32 1064.61 51490.32 08:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:57:01 27653844 31110656 5285368 16.05 78368 3627904 2466852 7.49 1892172 2954404 532 08:58:01 25752264 30872888 7186948 21.82 129920 5061272 3726640 11.31 2689308 3883356 398132 08:59:01 25492740 31019048 7446472 22.61 137528 5550960 2797540 8.49 2319860 4585584 332 09:00:01 25304720 30937048 7634492 23.18 137828 5653760 3887108 11.80 2521836 4560880 24 09:01:01 24812048 30812560 8127164 24.67 149256 5971660 3995844 12.13 2796356 4736344 108152 Average: 25803123 30950440 7136089 21.66 126580 5173111 3374797 10.25 2443906 4144114 101434 08:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:57:01 ens3 889.54 480.65 9599.71 78.51 0.00 0.00 0.00 0.00 08:57:01 veth317dd00b 1.10 1.57 0.13 0.38 0.00 0.00 0.00 0.00 08:57:01 lo 206.68 206.68 215.13 215.13 0.00 0.00 0.00 0.00 08:57:01 veth7463572 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 ens3 195.97 143.36 2228.46 15.11 0.00 0.00 0.00 0.00 08:58:01 veth317dd00b 2.85 3.37 0.26 0.44 0.00 0.00 0.00 0.00 08:58:01 lo 53.87 53.87 65.41 65.41 0.00 0.00 0.00 0.00 08:58:01 veth7463572 119.70 154.72 11.39 1249.93 0.00 0.00 0.00 0.10 08:59:01 ens3 190.77 118.05 5890.21 10.65 0.00 0.00 0.00 0.00 08:59:01 veth317dd00b 3.07 3.33 0.28 0.29 0.00 0.00 0.00 0.00 08:59:01 br-cf448842e200 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:59:01 lo 15.98 15.98 4.34 4.34 0.00 0.00 0.00 0.00 09:00:01 ens3 2.00 1.37 0.46 0.53 0.00 0.00 0.00 0.00 09:00:01 veth317dd00b 3.10 3.30 0.29 0.29 0.00 0.00 0.00 0.00 09:00:01 br-cf448842e200 1.88 1.92 0.07 0.14 0.00 0.00 0.00 0.00 09:00:01 lo 14.05 14.05 4.25 4.25 0.00 0.00 0.00 0.00 09:01:01 ens3 72.12 55.41 1129.32 13.63 0.00 0.00 0.00 0.00 09:01:01 veth317dd00b 3.07 3.20 0.28 0.28 0.00 0.00 0.00 0.00 09:01:01 br-cf448842e200 4.00 4.00 0.16 0.29 0.00 0.00 0.00 0.00 09:01:01 lo 14.28 14.28 4.18 4.18 0.00 0.00 0.00 0.00 Average: ens3 270.07 159.76 3769.51 23.69 0.00 0.00 0.00 0.00 Average: veth317dd00b 2.64 2.95 0.25 0.33 0.00 0.00 0.00 0.00 Average: br-cf448842e200 1.18 1.20 0.05 0.09 0.00 0.00 0.00 0.00 Average: lo 60.97 60.97 58.66 58.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46790) 09/18/25 _x86_64_ (8 CPU) 08:55:24 LINUX RESTART (8 CPU) 08:56:01 CPU %user %nice %system %iowait %steal %idle 08:57:01 all 13.37 0.63 4.43 3.90 0.07 77.60 08:57:01 0 12.09 0.00 4.21 0.83 0.07 82.81 08:57:01 1 13.13 0.00 4.02 3.10 0.05 79.70 08:57:01 2 11.50 0.00 3.92 1.45 0.05 83.09 08:57:01 3 10.92 0.00 4.35 3.56 0.08 81.09 08:57:01 4 12.03 1.66 4.28 0.97 0.08 80.97 08:57:01 5 16.76 0.00 4.60 9.16 0.07 69.41 08:57:01 6 14.73 3.31 6.00 6.65 0.08 69.23 08:57:01 7 15.86 0.02 3.99 5.49 0.08 74.55 08:58:01 all 42.95 0.00 6.05 2.34 0.14 48.52 08:58:01 0 45.47 0.00 6.19 1.15 0.12 47.07 08:58:01 1 42.82 0.00 5.54 1.25 0.13 50.26 08:58:01 2 46.95 0.00 6.30 3.38 0.19 43.19 08:58:01 3 43.90 0.00 6.43 2.74 0.15 46.78 08:58:01 4 39.60 0.00 5.82 2.78 0.12 51.68 08:58:01 5 41.81 0.00 5.92 1.90 0.13 50.24 08:58:01 6 41.93 0.00 6.43 4.00 0.15 47.48 08:58:01 7 41.13 0.00 5.78 1.57 0.10 51.42 08:59:01 all 25.15 0.22 5.58 2.70 0.11 66.26 08:59:01 0 29.14 0.00 5.32 3.37 0.13 62.04 08:59:01 1 24.97 0.49 4.91 0.97 0.08 68.57 08:59:01 2 25.60 0.00 6.54 4.02 0.12 63.71 08:59:01 3 22.36 0.00 5.27 0.90 0.10 71.37 08:59:01 4 23.67 1.24 6.37 2.20 0.10 66.42 08:59:01 5 25.32 0.00 5.29 0.98 0.10 68.32 08:59:01 6 25.78 0.00 6.30 6.91 0.08 60.93 08:59:01 7 24.27 0.00 4.68 2.28 0.12 68.66 09:00:01 all 1.15 0.00 0.56 0.07 0.07 98.15 09:00:01 0 0.89 0.00 0.70 0.00 0.08 98.33 09:00:01 1 1.83 0.00 0.46 0.17 0.08 97.46 09:00:01 2 0.74 0.00 0.44 0.05 0.05 98.73 09:00:01 3 2.34 0.00 0.79 0.03 0.10 96.74 09:00:01 4 0.92 0.00 0.54 0.00 0.05 98.49 09:00:01 5 0.90 0.00 0.49 0.02 0.07 98.53 09:00:01 6 0.72 0.00 0.39 0.00 0.07 98.83 09:00:01 7 0.87 0.00 0.67 0.23 0.08 98.14 09:01:01 all 10.98 0.00 1.18 0.84 0.08 86.93 09:01:01 0 15.01 0.00 1.30 1.17 0.08 82.43 09:01:01 1 2.85 0.00 0.85 1.38 0.07 94.85 09:01:01 2 28.68 0.00 2.00 0.62 0.08 68.62 09:01:01 3 9.36 0.00 1.00 0.12 0.10 89.42 09:01:01 4 11.95 0.00 1.30 1.87 0.07 84.81 09:01:01 5 8.14 0.00 1.17 1.31 0.05 89.33 09:01:01 6 4.33 0.00 0.80 0.13 0.07 94.67 09:01:01 7 7.48 0.00 1.02 0.10 0.10 91.30 Average: all 18.67 0.17 3.55 1.96 0.09 75.56 Average: 0 20.48 0.00 3.54 1.30 0.10 74.59 Average: 1 17.06 0.10 3.14 1.37 0.08 78.25 Average: 2 22.65 0.00 3.83 1.90 0.10 71.53 Average: 3 17.72 0.00 3.56 1.47 0.11 77.14 Average: 4 17.57 0.58 3.65 1.56 0.08 76.56 Average: 5 18.56 0.00 3.49 2.67 0.08 75.20 Average: 6 17.44 0.66 3.97 3.52 0.09 74.32 Average: 7 17.88 0.00 3.22 1.93 0.10 76.87