---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6747 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/48495f24e31cfcd3a8013fc1798d5f5f59d5ff7caf3d28689267c40b0b7cd161/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/95dd684f94e67d8fe23203ec855a135bf5f95f883dbe0780579e7a7f3eba43f2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/05ba3a6e23b445098319379c260060807732e6e85715973a1fb353cdfc4515fa/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6807395426ce6725bee99623088c1547215b3a11ef2d2f99d034da56ca330b1a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d515c6214767e3d03ad1c25b460af1af16591e8eca7320777538b00f52885e0f/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1501 24222 1 6443 30208 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:63:f1:9d brd ff:ff:ff:ff:ff:ff inet 10.30.107.72/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85892sec preferred_lft 85892sec inet6 fe80::f816:3eff:fe63:f19d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8c:c9:05:10 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::42:8cff:fec9:510/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0e:d4:62:d9:22:40 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::cd4:62ff:fed9:2240/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 2e:71:76:57:ea:06 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::2c71:76ff:fe57:ea06/64 scope link valid_lft forever preferred_lft forever 6: vethca21b234@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b2:e5:ed:7e:bd:87 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::b0e5:edff:fe7e:bd87/64 scope link valid_lft forever preferred_lft forever 7: veth604f13f6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a6:d0:29:15:40:27 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::a4d0:29ff:fe15:4027/64 scope link valid_lft forever preferred_lft forever 8: veth0edf5169@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 16:c8:2b:e0:5a:20 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::14c8:2bff:fee0:5a20/64 scope link valid_lft forever preferred_lft forever 13: vethbfa97a4d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8e:0e:95:cf:e2:97 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::8c0e:95ff:fecf:e297/64 scope link valid_lft forever preferred_lft forever 14: vetha7aae130@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 72:a8:d3:ce:3b:36 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::70a8:d3ff:fece:3b36/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6747) 07/08/26 _x86_64_ (8 CPU) 10:10:05 LINUX RESTART (8 CPU) 10:11:02 tps rtps wtps bread/s bwrtn/s 10:12:01 284.78 56.62 228.16 2872.33 106769.97 10:13:01 243.08 3.32 239.76 357.27 55281.45 10:14:01 141.63 0.02 141.61 0.13 57191.13 10:15:01 92.24 3.10 89.14 416.93 44760.41 10:16:01 114.66 0.27 114.40 37.46 66970.44 10:17:01 68.82 20.30 48.53 742.28 7844.56 10:18:01 98.85 0.45 98.40 65.46 10586.24 Average: 148.83 11.90 136.92 636.37 49779.10 10:11:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:12:01 27697088 31160288 5242132 15.91 78964 3630160 2448648 7.43 1815588 2988444 115872 10:13:01 26698040 31092788 6241180 18.95 127068 4392560 2881652 8.75 2050696 3610380 350564 10:14:01 25967144 31104852 6972076 21.17 133984 5088768 2811540 8.54 2488824 3864504 432140 10:15:01 26890344 31075744 6048876 18.36 135440 4260240 2579032 7.83 2088004 3474504 105420 10:16:01 25716476 31120300 7222744 21.93 138996 5428496 2742204 8.33 2186176 4500700 60 10:17:01 25135920 30818480 7803300 23.69 145652 5684044 3491924 10.60 2597960 4639548 53796 10:18:01 24892376 30907228 8046844 24.43 151884 5979208 3361432 10.20 2531968 4918716 152264 Average: 26142484 31039954 6796736 20.63 130284 4923354 2902347 8.81 2251317 3999542 172874 10:11:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:12:01 cni0 15.83 13.98 9.65 24.00 0.00 0.00 0.59 0.00 10:12:01 veth0edf5169 2.46 3.29 0.63 0.96 0.00 0.00 0.00 0.00 10:12:01 vetha1a624c6 9.98 9.24 8.80 19.04 0.00 0.00 0.00 0.00 10:12:01 lo 201.75 201.75 128.90 128.90 0.00 0.00 0.00 0.00 10:13:01 cni0 28.33 29.26 12.55 69.50 0.00 0.00 0.38 0.00 10:13:01 veth0edf5169 7.85 9.62 2.47 2.05 0.00 0.00 0.00 0.00 10:13:01 lo 50.77 50.77 55.79 55.79 0.00 0.00 0.00 0.00 10:13:01 veth654134f 187.39 248.76 16.76 1608.92 0.00 0.00 0.00 0.13 10:14:01 cni0 11.80 13.15 2.39 1.46 0.00 0.00 0.07 0.00 10:14:01 veth0edf5169 7.18 8.35 2.14 0.98 0.00 0.00 0.00 0.00 10:14:01 lo 12.03 12.03 3.69 3.69 0.00 0.00 0.00 0.00 10:14:01 veth654134f 2.92 3.25 0.24 4.97 0.00 0.00 0.00 0.00 10:15:01 cni0 12.00 13.20 2.40 1.47 0.00 0.00 0.03 0.00 10:15:01 veth0edf5169 7.38 8.33 2.15 0.98 0.00 0.00 0.00 0.00 10:15:01 lo 13.35 13.35 4.09 4.09 0.00 0.00 0.00 0.00 10:15:01 vethca21b234 10.06 12.05 0.96 1.44 0.00 0.00 0.00 0.00 10:16:01 cni0 11.76 13.30 2.38 1.47 0.00 0.00 0.03 0.00 10:16:01 veth0edf5169 7.10 8.45 2.13 0.99 0.00 0.00 0.00 0.00 10:16:01 lo 16.01 16.01 4.18 4.18 0.00 0.00 0.00 0.00 10:16:01 vethca21b234 3.05 3.32 0.28 0.29 0.00 0.00 0.00 0.00 10:17:01 cni0 12.43 13.91 2.44 2.03 0.00 0.00 0.15 0.00 10:17:01 veth0edf5169 7.30 8.83 2.16 1.22 0.00 0.00 0.00 0.00 10:17:01 lo 44.03 44.03 17.24 17.24 0.00 0.00 0.00 0.00 10:17:01 vethca21b234 3.28 3.62 0.30 0.41 0.00 0.00 0.00 0.00 10:18:01 cni0 12.16 13.55 2.41 1.52 0.00 0.00 0.00 0.00 10:18:01 veth0edf5169 7.30 8.45 2.14 1.00 0.00 0.00 0.00 0.00 10:18:01 lo 23.03 23.03 5.37 5.37 0.00 0.00 0.00 0.00 10:18:01 vethca21b234 3.10 3.32 0.29 0.29 0.00 0.00 0.00 0.00 Average: cni0 14.90 15.77 4.88 14.47 0.00 0.00 0.18 0.00 Average: veth0edf5169 6.66 7.91 1.98 1.17 0.00 0.00 0.00 0.00 Average: lo 51.21 51.21 31.09 31.09 0.00 0.00 0.00 0.00 Average: vethca21b234 2.79 3.19 0.26 0.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6747) 07/08/26 _x86_64_ (8 CPU) 10:10:05 LINUX RESTART (8 CPU) 10:11:02 CPU %user %nice %system %iowait %steal %idle 10:12:01 all 9.42 0.25 3.73 16.90 0.07 69.63 10:12:01 0 9.23 0.00 3.71 12.96 0.05 74.04 10:12:01 1 7.51 0.00 3.96 20.83 0.07 67.62 10:12:01 2 11.28 0.00 3.66 33.82 0.07 51.17 10:12:01 3 9.88 0.00 3.42 18.09 0.09 68.53 10:12:01 4 9.13 0.00 4.04 8.78 0.09 77.96 10:12:01 5 10.51 2.01 3.37 3.59 0.07 80.45 10:12:01 6 7.62 0.00 3.35 11.53 0.05 77.45 10:12:01 7 10.17 0.00 4.35 25.63 0.07 59.78 10:13:01 all 4.87 0.00 2.01 20.07 0.09 72.96 10:13:01 0 5.01 0.00 2.24 57.01 0.10 35.64 10:13:01 1 4.80 0.00 1.93 6.66 0.08 86.52 10:13:01 2 4.52 0.00 1.93 4.00 0.08 89.46 10:13:01 3 4.59 0.00 2.21 36.52 0.08 56.59 10:13:01 4 4.49 0.00 1.71 20.98 0.08 72.74 10:13:01 5 4.66 0.00 1.78 11.11 0.07 82.38 10:13:01 6 5.71 0.00 2.28 14.91 0.07 77.04 10:13:01 7 5.16 0.00 2.06 9.47 0.12 83.19 10:14:01 all 37.28 0.00 4.53 13.40 0.13 44.66 10:14:01 0 36.54 0.00 4.53 37.43 0.12 21.39 10:14:01 1 39.35 0.00 4.60 4.52 0.15 51.38 10:14:01 2 35.39 0.00 4.30 24.40 0.12 35.80 10:14:01 3 35.68 0.00 3.86 13.19 0.12 47.16 10:14:01 4 40.75 0.00 5.12 6.11 0.15 47.87 10:14:01 5 35.33 0.00 4.63 1.80 0.12 58.12 10:14:01 6 36.56 0.00 4.40 16.33 0.12 42.59 10:14:01 7 38.70 0.00 4.77 3.41 0.12 53.00 10:15:01 all 33.41 0.00 4.77 10.36 0.09 51.37 10:15:01 0 34.94 0.00 4.86 7.70 0.10 52.41 10:15:01 1 32.97 0.00 5.57 6.63 0.08 54.74 10:15:01 2 36.97 0.00 4.79 30.31 0.12 27.81 10:15:01 3 33.63 0.00 4.39 6.13 0.10 55.75 10:15:01 4 32.26 0.00 4.54 6.59 0.08 56.54 10:15:01 5 33.41 0.00 4.40 2.31 0.10 59.78 10:15:01 6 31.90 0.00 4.92 15.29 0.08 47.81 10:15:01 7 31.20 0.00 4.67 7.99 0.10 56.04 10:16:01 all 4.79 0.24 2.35 14.22 0.07 78.32 10:16:01 0 3.46 0.00 2.92 18.94 0.07 74.61 10:16:01 1 4.99 0.00 2.15 4.73 0.05 88.08 10:16:01 2 6.83 0.00 1.87 4.73 0.10 86.48 10:16:01 3 5.46 0.00 2.24 3.03 0.07 89.21 10:16:01 4 3.31 0.00 2.98 3.50 0.05 90.16 10:16:01 5 3.72 0.00 1.93 6.60 0.08 87.67 10:16:01 6 4.26 1.91 2.32 49.30 0.08 42.13 10:16:01 7 6.29 0.00 2.41 22.85 0.07 68.38 10:17:01 all 5.85 0.00 1.30 7.33 0.07 85.45 10:17:01 0 7.40 0.00 1.44 1.95 0.07 89.14 10:17:01 1 8.99 0.00 1.55 5.55 0.08 83.82 10:17:01 2 5.28 0.00 1.22 5.66 0.07 87.77 10:17:01 3 5.52 0.00 1.32 2.15 0.08 90.93 10:17:01 4 5.73 0.00 1.42 12.32 0.08 80.44 10:17:01 5 3.39 0.00 1.10 5.66 0.07 89.79 10:17:01 6 4.25 0.00 1.14 23.27 0.07 71.28 10:17:01 7 6.21 0.00 1.27 2.04 0.08 90.39 10:18:01 all 8.72 0.00 1.04 3.04 0.07 87.14 10:18:01 0 13.00 0.00 1.17 2.51 0.08 83.24 10:18:01 1 9.42 0.00 0.88 1.18 0.10 88.41 10:18:01 2 5.77 0.00 1.12 1.27 0.07 91.77 10:18:01 3 6.47 0.00 0.82 0.84 0.07 91.80 10:18:01 4 19.73 0.00 1.64 11.55 0.07 67.02 10:18:01 5 3.86 0.00 0.65 0.70 0.05 94.74 10:18:01 6 6.18 0.00 0.94 3.46 0.05 89.38 10:18:01 7 5.29 0.00 1.09 2.79 0.08 90.75 Average: all 14.91 0.07 2.82 12.17 0.08 69.95 Average: 0 15.68 0.00 2.98 19.77 0.08 61.49 Average: 1 15.44 0.00 2.94 7.12 0.09 74.41 Average: 2 15.15 0.00 2.69 14.82 0.09 67.25 Average: 3 14.46 0.00 2.61 11.41 0.09 71.43 Average: 4 16.49 0.00 3.06 9.99 0.09 70.38 Average: 5 13.58 0.28 2.55 4.53 0.08 78.98 Average: 6 13.79 0.27 2.76 19.17 0.07 63.94 Average: 7 14.72 0.00 2.94 10.55 0.09 71.69