---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-11660 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: 2799.996 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/24f0abe2c370813a1abd178ff9601ae8ef65c846c272bbcb3daaf3bc6df2f7d7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/90c4f348a697bf62c102f015f460cc6baf981ac39bc78994a8e8e59a6b89d0ad/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9a426fd49543e4dee3d235fb8ccda21c24612e429858f9f96963208c4fa6fccc/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1863db8025b6c0082121ba7d59d4153a0615f0fa204e68c4b9604d4b536a019a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a331cf8e914cbbf402eb9ed19ca6a04b441c8fd5b9242afdd0f4d03d40fdcfff/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1555 24161 1 6450 30155 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:d0:7e:7e brd ff:ff:ff:ff:ff:ff inet 10.30.107.35/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86083sec preferred_lft 86083sec inet6 fe80::f816:3eff:fed0:7e7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f2:47:b7:98 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:f2ff:fe47:b798/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether e2:b4:4a:25:ba:f6 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::e0b4:4aff:fe25:baf6/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 56:93:6b:97:70:c0 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::5493:6bff:fe97:70c0/64 scope link valid_lft forever preferred_lft forever 8: veth8fa98384@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:04:e5:9d:7b:f3 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::e804:e5ff:fe9d:7bf3/64 scope link valid_lft forever preferred_lft forever 9: vethe6fd9e12@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1e:f8:93:bc:e6:f8 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::1cf8:93ff:febc:e6f8/64 scope link valid_lft forever preferred_lft forever 12: veth74d4028d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:14:cf:e9:e3:cf brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::9414:cfff:fee9:e3cf/64 scope link valid_lft forever preferred_lft forever 13: veth852283a5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:cf:a2:df:78:c8 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::64cf:a2ff:fedf:78c8/64 scope link valid_lft forever preferred_lft forever 14: veth58a5aa52@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c6:7a:6f:49:1c:de brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::c47a:6fff:fe49:1cde/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-11660) 07/13/26 _x86_64_ (8 CPU) 06:43:00 LINUX RESTART (8 CPU) 06:44:00 tps rtps wtps bread/s bwrtn/s 06:45:01 532.70 37.65 495.05 2016.59 148248.22 06:46:02 159.59 3.22 156.37 432.33 63477.15 06:47:01 155.79 20.86 134.93 805.97 56308.42 06:48:01 106.93 0.60 106.33 68.66 10993.10 Average: 240.32 15.65 224.67 835.93 70139.74 06:44:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:45:01 25575352 30968192 7363868 22.36 133464 5339000 3028100 9.19 2706996 4030272 1006488 06:46:02 26430544 31041396 6508676 19.76 135348 4675788 2582504 7.84 2221032 3787952 12 06:47:01 25187308 30859796 7751912 23.53 144604 5678576 3372416 10.24 2553988 4634612 41884 06:48:01 24810180 30945840 8129040 24.68 153552 6087968 3253704 9.88 2484148 5036220 254516 Average: 25500846 30953806 7438374 22.58 141742 5445333 3059181 9.29 2491541 4372264 325725 06:44:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 veth58a5aa52 4.85 4.28 1.02 1.80 0.00 0.00 0.00 0.00 06:45:01 vethe6fd9e12 2.51 3.41 0.26 0.68 0.00 0.00 0.00 0.00 06:45:01 ens3 534.29 315.24 9978.93 30.79 0.00 0.00 0.00 0.00 06:46:02 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:02 veth58a5aa52 1.50 1.60 0.13 0.20 0.00 0.00 0.00 0.00 06:46:02 vethe6fd9e12 2.95 3.18 0.27 0.28 0.00 0.00 0.00 0.00 06:46:02 ens3 35.11 24.83 688.05 2.67 0.00 0.00 0.00 0.00 06:47:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:47:01 veth58a5aa52 1.61 1.88 0.14 0.42 0.00 0.00 0.00 0.00 06:47:01 vethe6fd9e12 3.14 3.66 0.29 0.41 0.00 0.00 0.00 0.00 06:47:01 ens3 247.43 158.14 5703.49 16.94 0.00 0.00 0.00 0.00 06:48:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:48:01 veth58a5aa52 1.45 1.52 0.12 0.19 0.00 0.00 0.00 0.00 06:48:01 vethe6fd9e12 3.10 3.23 0.29 0.28 0.00 0.00 0.00 0.00 06:48:01 ens3 92.78 65.51 1535.60 12.34 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: veth58a5aa52 2.37 2.33 0.35 0.66 0.00 0.00 0.00 0.00 Average: vethe6fd9e12 2.92 3.37 0.28 0.42 0.00 0.00 0.00 0.00 Average: ens3 228.60 141.58 4494.33 15.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-11660) 07/13/26 _x86_64_ (8 CPU) 06:43:00 LINUX RESTART (8 CPU) 06:44:00 CPU %user %nice %system %iowait %steal %idle 06:45:01 all 40.38 0.00 7.51 5.14 0.15 46.82 06:45:01 0 40.08 0.00 7.62 3.84 0.13 48.33 06:45:01 1 41.43 0.00 7.75 4.95 0.13 45.74 06:45:01 2 40.13 0.00 7.69 4.54 0.15 47.49 06:45:01 3 40.59 0.00 7.20 2.68 0.13 49.39 06:45:01 4 39.08 0.00 8.61 8.63 0.17 43.52 06:45:01 5 41.97 0.00 7.00 6.41 0.15 44.47 06:45:01 6 40.28 0.00 6.97 7.02 0.15 45.57 06:45:01 7 39.49 0.00 7.30 3.07 0.13 50.01 06:46:02 all 37.06 0.20 5.57 0.86 0.10 56.21 06:46:02 0 37.17 0.00 5.45 0.02 0.12 57.25 06:46:02 1 45.72 1.58 6.33 0.30 0.12 45.95 06:46:02 2 35.95 0.00 5.36 0.27 0.10 58.32 06:46:02 3 33.91 0.00 5.25 2.85 0.12 57.87 06:46:02 4 38.77 0.00 5.57 0.56 0.08 55.02 06:46:02 5 33.92 0.00 6.18 0.29 0.08 59.53 06:46:02 6 35.96 0.00 5.60 1.58 0.10 56.76 06:46:02 7 35.09 0.00 4.78 0.98 0.10 59.05 06:47:01 all 8.26 0.00 2.71 0.95 0.08 88.00 06:47:01 0 8.04 0.00 2.97 0.24 0.07 88.68 06:47:01 1 13.78 0.00 3.08 2.50 0.09 80.57 06:47:01 2 9.65 0.00 3.27 0.17 0.10 86.81 06:47:01 3 7.19 0.00 2.21 2.00 0.08 88.52 06:47:01 4 8.12 0.00 2.55 1.71 0.09 87.53 06:47:01 5 8.30 0.00 1.92 0.12 0.09 89.58 06:47:01 6 5.84 0.00 2.65 0.19 0.07 91.26 06:47:01 7 5.19 0.00 3.09 0.67 0.09 90.96 06:48:01 all 11.23 0.00 1.21 0.47 0.07 87.02 06:48:01 0 3.42 0.00 0.72 0.43 0.05 95.38 06:48:01 1 9.49 0.00 0.95 0.58 0.07 88.90 06:48:01 2 13.78 0.00 1.61 0.97 0.07 83.58 06:48:01 3 13.21 0.00 1.58 0.72 0.10 84.39 06:48:01 4 16.76 0.00 1.44 0.35 0.07 81.38 06:48:01 5 5.52 0.00 0.81 0.35 0.08 93.24 06:48:01 6 5.85 0.00 0.84 0.07 0.07 93.18 06:48:01 7 21.74 0.00 1.72 0.27 0.08 76.19 Average: all 24.32 0.05 4.26 1.86 0.10 69.40 Average: 0 22.25 0.00 4.20 1.14 0.09 72.32 Average: 1 27.67 0.40 4.54 2.08 0.10 65.22 Average: 2 24.99 0.00 4.50 1.50 0.11 68.91 Average: 3 23.83 0.00 4.07 2.07 0.11 69.93 Average: 4 25.79 0.00 4.56 2.83 0.10 66.72 Average: 5 22.53 0.00 3.99 1.81 0.10 71.57 Average: 6 22.06 0.00 4.02 2.23 0.10 71.60 Average: 7 25.48 0.00 4.23 1.25 0.10 68.94