---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46519 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 12K 3.2G 1% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/66aa631d12e13abf31a13057d3a3aaf221a5aaa0713bce9349f4ab20cedf22ec/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/7a2f13b4b63bbbba4af96914da2a049e5e4b6b9fdc82ff64786f4cdd0170d419/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2af575f55ffa4a32762331eaff8135ebf06f4ff985726683e59dcb0d23ca61e2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5daead4b283c58f9b868063f20c2c6ff0d669f4a6c8050635610f23facaff45b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a922ec4562c8192b6736bd8ebb2c0b6d6d41dd8938478171f148373f96955182/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 1658 23742 2 6766 30058 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:97:c8:93 brd ff:ff:ff:ff:ff:ff inet 10.30.106.64/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85748sec preferred_lft 85748sec inet6 fe80::f816:3eff:fe97:c893/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:fd:6d:b5 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::42:5aff:fefd:6db5/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether d6:9b:16:90:7a:d8 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::d49b:16ff:fe90:7ad8/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether d6:ef:3f:6b:64:d3 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::d4ef:3fff:fe6b:64d3/64 scope link valid_lft forever preferred_lft forever 8: veth82d88480@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:6b:c4:65:e3:0b brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::206b:c4ff:fe65:e30b/64 scope link valid_lft forever preferred_lft forever 9: veth344176a0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fa:b3:42:c8:b2:b1 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f8b3:42ff:fec8:b2b1/64 scope link valid_lft forever preferred_lft forever 10: vethe0dfb9ae@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:bd:57:5d:eb:99 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e8bd:57ff:fe5d:eb99/64 scope link valid_lft forever preferred_lft forever 13: veth66b6b127@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:8e:78:33:f2:83 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::588e:78ff:fe33:f283/64 scope link valid_lft forever preferred_lft forever 14: veth229f141e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:ff:ca:bb:10:e5 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::cff:caff:febb:10e5/64 scope link valid_lft forever preferred_lft forever 19: br-8f2ef82438c8: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:cd:b7:a1:ea brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-8f2ef82438c8 valid_lft forever preferred_lft forever inet6 fe80::42:cdff:feb7:a1ea/64 scope link valid_lft forever preferred_lft forever 23: vethacd0a37@if22: mtu 1500 qdisc noqueue master br-8f2ef82438c8 state UP group default link/ether c6:b6:10:c7:d3:0f brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c4b6:10ff:fec7:d30f/64 scope link valid_lft forever preferred_lft forever 25: veth3cc00b6@if24: mtu 1500 qdisc noqueue master br-8f2ef82438c8 state UP group default link/ether 5e:4d:14:62:98:63 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::5c4d:14ff:fe62:9863/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46519) 09/17/25 _x86_64_ (8 CPU) 12:14:22 LINUX RESTART (8 CPU) 12:15:01 tps rtps wtps bread/s bwrtn/s 12:16:01 321.91 81.35 240.56 3428.36 121253.12 12:17:01 336.88 3.60 333.28 357.27 104891.32 12:18:01 119.86 3.32 116.55 449.79 75446.23 12:19:01 112.95 0.70 112.25 113.98 51518.48 12:20:01 52.84 1.98 50.86 55.99 10315.21 12:21:01 7.82 0.00 7.82 0.00 198.37 12:22:01 4.12 0.02 4.10 0.13 119.45 12:23:01 3.33 0.00 3.33 0.00 108.38 12:24:01 37.41 19.73 17.68 684.55 1530.28 12:25:01 105.72 1.15 104.57 77.59 10591.17 Average: 110.28 11.18 99.10 516.77 37597.20 12:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:16:01 27653972 31112836 5285248 16.05 77936 3629180 2480624 7.53 1892216 2955992 360616 12:17:01 25059068 30106100 7880152 23.92 129528 4980184 3859040 11.72 3222536 4044768 460812 12:18:01 26360300 30984556 6578920 19.97 131204 4697760 2761976 8.39 2305812 3780324 68 12:19:01 25263072 30897976 7676148 23.30 136120 5657148 3891476 11.81 2560300 4564216 1124 12:20:01 24653372 30713484 8285848 25.15 178392 6024192 4230020 12.84 2975048 4727120 756 12:21:01 24775460 30836516 8163760 24.78 178580 6024732 4103500 12.46 2853752 4726872 168 12:22:01 24770656 30834892 8168564 24.80 178672 6024772 4249800 12.90 2855828 4729636 300 12:23:01 24781868 30846228 8157352 24.76 178748 6024796 4079644 12.39 2844124 4729636 356 12:24:01 24617512 30767060 8321708 25.26 184028 6092808 4200932 12.75 2949512 4779060 41164 12:25:01 24345984 30810136 8593236 26.09 190804 6365004 4126740 12.53 2919836 5043616 127680 Average: 25228126 30790978 7711094 23.41 156401 5552058 3798375 11.53 2737896 4408124 99304 12:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:16:01 veth48278317 16.91 14.56 23.44 33.32 0.00 0.00 0.00 0.00 12:16:01 cni0 22.35 18.91 24.34 38.97 0.00 0.00 0.58 0.00 12:16:01 veth82d88480 2.18 2.92 0.72 1.01 0.00 0.00 0.00 0.00 12:16:01 lo 206.75 206.75 216.32 216.32 0.00 0.00 0.00 0.00 12:17:01 cni0 27.63 28.15 13.77 70.58 0.00 0.00 0.37 0.00 12:17:01 veth82d88480 7.65 9.35 3.08 2.78 0.00 0.00 0.00 0.00 12:17:01 veth229f141e 4.30 4.05 0.75 2.02 0.00 0.00 0.00 0.00 12:17:01 lo 55.17 55.17 65.21 65.21 0.00 0.00 0.00 0.00 12:18:01 cni0 11.65 13.30 3.01 2.19 0.00 0.00 0.05 0.00 12:18:01 veth82d88480 7.07 8.40 2.77 1.70 0.00 0.00 0.00 0.00 12:18:01 veth229f141e 1.40 1.50 0.11 0.19 0.00 0.00 0.00 0.00 12:18:01 lo 13.76 13.76 4.14 4.14 0.00 0.00 0.00 0.00 12:19:01 cni0 11.63 13.23 3.01 2.18 0.00 0.00 0.07 0.00 12:19:01 veth82d88480 7.13 8.50 2.77 1.71 0.00 0.00 0.00 0.00 12:19:01 veth229f141e 1.37 1.52 0.11 0.19 0.00 0.00 0.00 0.00 12:19:01 lo 15.30 15.30 4.37 4.37 0.00 0.00 0.00 0.00 12:20:01 cni0 15.58 16.96 3.45 6.03 0.00 0.00 0.12 0.00 12:20:01 veth82d88480 7.42 8.78 2.80 1.93 0.00 0.00 0.00 0.00 12:20:01 veth229f141e 2.67 2.75 0.21 1.83 0.00 0.00 0.00 0.00 12:20:01 lo 85.10 85.10 46.03 46.03 0.00 0.00 0.00 0.00 12:21:01 cni0 12.41 13.86 3.10 2.76 0.00 0.00 0.07 0.00 12:21:01 veth82d88480 7.13 8.53 2.78 1.73 0.00 0.00 0.00 0.00 12:21:01 veth229f141e 1.38 1.53 0.11 0.19 0.00 0.00 0.00 0.00 12:21:01 lo 16.36 16.36 4.81 4.81 0.00 0.00 0.00 0.00 12:22:01 cni0 12.68 13.96 3.11 2.77 0.00 0.00 0.00 0.00 12:22:01 veth82d88480 7.27 8.53 2.78 1.72 0.00 0.00 0.00 0.00 12:22:01 veth229f141e 1.42 1.45 0.11 0.19 0.00 0.00 0.00 0.00 12:22:01 lo 17.95 17.95 5.22 5.22 0.00 0.00 0.00 0.00 12:23:01 cni0 11.70 13.00 3.01 2.17 0.00 0.00 0.00 0.00 12:23:01 veth82d88480 7.17 8.22 2.77 1.69 0.00 0.00 0.00 0.00 12:23:01 veth229f141e 1.33 1.50 0.11 0.19 0.00 0.00 0.00 0.00 12:23:01 lo 18.05 18.05 4.98 4.98 0.00 0.00 0.00 0.00 12:24:01 cni0 15.28 17.16 3.36 5.76 0.00 0.00 0.00 0.00 12:24:01 veth82d88480 7.10 8.55 2.80 1.72 0.00 0.00 0.00 0.00 12:24:01 veth229f141e 2.92 2.98 0.25 1.75 0.00 0.00 0.00 0.00 12:24:01 lo 71.09 71.09 36.40 36.40 0.00 0.00 0.00 0.00 12:25:01 cni0 12.90 13.93 3.11 2.59 0.00 0.00 0.03 0.00 12:25:01 veth82d88480 7.50 8.52 2.81 1.80 0.00 0.00 0.00 0.00 12:25:01 veth229f141e 2.08 2.08 0.18 0.50 0.00 0.00 0.00 0.00 12:25:01 lo 20.31 20.31 5.85 5.85 0.00 0.00 0.00 0.00 Average: cni0 15.38 16.25 6.33 13.60 0.00 0.00 0.13 0.00 Average: veth82d88480 6.76 8.03 2.61 1.78 0.00 0.00 0.00 0.00 Average: veth229f141e 1.89 1.94 0.20 0.70 0.00 0.00 0.00 0.00 Average: lo 51.98 51.98 39.33 39.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46519) 09/17/25 _x86_64_ (8 CPU) 12:14:22 LINUX RESTART (8 CPU) 12:15:01 CPU %user %nice %system %iowait %steal %idle 12:16:01 all 12.26 0.69 4.48 8.48 0.07 74.01 12:16:01 0 10.68 0.00 4.60 2.42 0.05 82.24 12:16:01 1 9.60 0.00 3.73 22.96 0.05 63.66 12:16:01 2 12.55 3.81 4.56 4.23 0.07 74.79 12:16:01 3 11.67 1.74 4.38 7.58 0.07 74.56 12:16:01 4 9.60 0.00 4.86 12.65 0.05 72.84 12:16:01 5 11.99 0.00 3.66 1.23 0.08 83.03 12:16:01 6 11.96 0.00 5.45 8.82 0.07 73.71 12:16:01 7 20.00 0.00 4.62 7.94 0.08 67.36 12:17:01 all 34.45 0.00 5.11 10.05 0.10 50.29 12:17:01 0 36.64 0.00 5.32 10.13 0.10 47.81 12:17:01 1 35.52 0.00 5.16 7.31 0.10 51.90 12:17:01 2 32.81 0.00 4.45 3.42 0.10 59.22 12:17:01 3 36.37 0.00 4.58 1.48 0.08 57.48 12:17:01 4 35.30 0.00 5.54 8.24 0.12 50.81 12:17:01 5 33.13 0.00 5.93 20.45 0.10 40.39 12:17:01 6 33.24 0.00 5.17 21.77 0.10 39.71 12:17:01 7 32.61 0.00 4.74 7.56 0.12 54.98 12:18:01 all 30.67 0.23 4.89 3.87 0.09 60.25 12:18:01 0 32.35 0.00 4.87 3.79 0.08 58.90 12:18:01 1 32.71 1.86 5.26 6.20 0.10 53.87 12:18:01 2 30.02 0.00 4.82 0.18 0.08 64.89 12:18:01 3 29.40 0.00 4.68 1.16 0.08 64.68 12:18:01 4 29.44 0.00 5.77 0.76 0.10 63.93 12:18:01 5 33.25 0.00 5.11 11.28 0.10 50.26 12:18:01 6 29.95 0.00 4.32 6.25 0.08 59.39 12:18:01 7 28.22 0.00 4.34 1.36 0.08 66.00 12:19:01 all 5.12 0.00 2.46 3.31 0.05 89.05 12:19:01 0 5.24 0.00 1.91 5.98 0.05 86.82 12:19:01 1 5.06 0.00 2.44 0.30 0.05 92.15 12:19:01 2 5.77 0.00 2.53 1.61 0.03 90.05 12:19:01 3 5.35 0.00 2.50 1.75 0.05 90.35 12:19:01 4 6.49 0.00 2.43 3.39 0.05 87.64 12:19:01 5 4.21 0.00 1.79 1.16 0.05 92.79 12:19:01 6 3.38 0.00 3.53 4.96 0.05 88.09 12:19:01 7 5.47 0.00 2.50 7.38 0.07 84.58 12:20:01 all 3.18 0.00 2.02 0.68 0.06 94.06 12:20:01 0 3.91 0.00 1.95 2.67 0.08 91.38 12:20:01 1 3.71 0.00 2.46 0.23 0.07 93.53 12:20:01 2 2.97 0.00 1.63 1.04 0.07 94.30 12:20:01 3 3.10 0.00 1.63 0.49 0.07 94.72 12:20:01 4 2.89 0.00 1.56 0.54 0.07 94.95 12:20:01 5 2.64 0.00 1.21 0.02 0.05 96.08 12:20:01 6 3.14 0.00 1.65 0.22 0.07 94.93 12:20:01 7 3.01 0.00 4.12 0.23 0.05 92.58 12:21:01 all 0.84 0.00 0.42 0.03 0.05 98.66 12:21:01 0 1.06 0.00 0.59 0.00 0.07 98.29 12:21:01 1 0.70 0.00 0.28 0.00 0.05 98.97 12:21:01 2 1.08 0.00 0.43 0.03 0.05 98.40 12:21:01 3 0.75 0.00 0.35 0.10 0.05 98.75 12:21:01 4 0.58 0.00 0.33 0.00 0.02 99.07 12:21:01 5 0.77 0.00 0.48 0.02 0.03 98.70 12:21:01 6 0.82 0.00 0.32 0.02 0.05 98.79 12:21:01 7 0.97 0.00 0.58 0.02 0.07 98.36 12:22:01 all 0.85 0.00 0.44 0.02 0.05 98.63 12:22:01 0 0.89 0.00 0.64 0.03 0.08 98.36 12:22:01 1 1.15 0.00 0.48 0.00 0.05 98.32 12:22:01 2 0.65 0.00 0.32 0.03 0.03 98.97 12:22:01 3 0.77 0.00 0.45 0.10 0.05 98.63 12:22:01 4 0.70 0.00 0.52 0.02 0.08 98.68 12:22:01 5 1.29 0.00 0.50 0.00 0.07 98.14 12:22:01 6 0.64 0.00 0.27 0.02 0.03 99.05 12:22:01 7 0.72 0.00 0.37 0.00 0.03 98.88 12:23:01 all 0.90 0.00 0.43 0.03 0.05 98.59 12:23:01 0 1.24 0.00 0.54 0.03 0.07 98.13 12:23:01 1 0.84 0.00 0.40 0.00 0.03 98.73 12:23:01 2 0.79 0.00 0.47 0.00 0.07 98.68 12:23:01 3 0.65 0.00 0.50 0.03 0.02 98.80 12:23:01 4 0.94 0.00 0.43 0.00 0.05 98.58 12:23:01 5 0.74 0.00 0.43 0.02 0.05 98.76 12:23:01 6 1.27 0.00 0.32 0.12 0.03 98.26 12:23:01 7 0.75 0.00 0.42 0.00 0.07 98.76 12:24:01 all 3.80 0.00 0.91 0.16 0.05 95.07 12:24:01 0 3.53 0.00 0.90 0.34 0.07 95.16 12:24:01 1 5.14 0.00 1.15 0.08 0.05 93.57 12:24:01 2 6.83 0.00 0.99 0.20 0.05 91.93 12:24:01 3 2.57 0.00 0.85 0.02 0.05 96.51 12:24:01 4 4.09 0.00 0.63 0.08 0.03 95.16 12:24:01 5 2.09 0.00 1.04 0.05 0.07 96.75 12:24:01 6 2.45 0.00 0.69 0.45 0.07 96.34 12:24:01 7 3.70 0.00 1.00 0.03 0.07 95.20 12:25:01 all 11.39 0.00 1.24 0.62 0.06 86.69 12:25:01 0 4.34 0.00 1.15 0.85 0.05 93.61 12:25:01 1 25.60 0.00 1.61 0.72 0.07 72.01 12:25:01 2 17.84 0.00 1.30 1.03 0.07 79.76 12:25:01 3 11.36 0.00 1.40 0.05 0.07 87.12 12:25:01 4 7.17 0.00 1.05 0.54 0.05 91.19 12:25:01 5 10.51 0.00 0.99 0.35 0.05 88.11 12:25:01 6 7.99 0.00 1.47 1.39 0.07 89.08 12:25:01 7 6.39 0.00 0.90 0.03 0.05 92.62 Average: all 10.32 0.09 2.24 2.71 0.06 84.58 Average: 0 9.97 0.00 2.24 2.62 0.07 85.10 Average: 1 11.97 0.19 2.29 3.77 0.06 81.72 Average: 2 11.10 0.38 2.14 1.17 0.06 85.14 Average: 3 10.17 0.17 2.13 1.27 0.06 86.21 Average: 4 9.68 0.00 2.30 2.61 0.06 85.35 Average: 5 10.03 0.00 2.11 3.44 0.07 84.36 Average: 6 9.47 0.00 2.31 4.39 0.06 83.77 Average: 7 10.15 0.00 2.35 2.44 0.07 84.98