---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-784 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/a1aa98a5acc1363759210dc966873d6e0d7c72c16e32281296a7e0ebc2189002/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3691711f9d7cffd799acedfce8056e11dd77e643a7d3a6e4e9315a0d467cb432/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8a59cc79c4e434f89a4eed12fc4f84af4b0b34679e17c72359d3ba3e798be154/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/65ec2e27fad7fc8c495a8d8a4c13896885bcae871adfb197aed98a6b74daffc4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/645d61fae4c00b74454640dda84c29b888a3483b2275d96dfe57b082db1bb7ce/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1522 24209 1 6434 30187 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:7e:7d:d6 brd ff:ff:ff:ff:ff:ff inet 10.30.106.54/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86079sec preferred_lft 86079sec inet6 fe80::f816:3eff:fe7e:7dd6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e5:e9:91:48 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:e5ff:fee9:9148/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether aa:9c:16:5b:95:3f 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::a89c:16ff:fe5b:953f/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 46:e6:45:95:57:d9 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::44e6:45ff:fe95:57d9/64 scope link valid_lft forever preferred_lft forever 7: veth9720cfd2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:e0:86:1d:85:4b brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::20e0:86ff:fe1d:854b/64 scope link valid_lft forever preferred_lft forever 8: veth9e1e9081@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:5a:11:87:ab:93 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::285a:11ff:fe87:ab93/64 scope link valid_lft forever preferred_lft forever 10: vethf7558a2e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 72:eb:67:fd:d6:61 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::70eb:67ff:fefd:d661/64 scope link valid_lft forever preferred_lft forever 13: vethd53c61cd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:a7:17:42:52:eb brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::64a7:17ff:fe42:52eb/64 scope link valid_lft forever preferred_lft forever 14: veth3e00303b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:01:59:0a:92:9e brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::7401:59ff:fe0a:929e/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-784) 08/03/26 _x86_64_ (8 CPU) 11:18:53 LINUX RESTART (8 CPU) 11:19:01 tps rtps wtps bread/s bwrtn/s 11:20:01 417.95 133.04 284.90 7961.74 134251.49 11:21:01 522.05 3.60 518.45 412.93 160089.20 11:22:01 128.24 3.15 125.09 423.33 47354.22 11:23:01 169.42 20.36 149.06 774.80 72628.96 11:24:01 96.77 1.18 95.58 77.19 10855.79 Average: 266.87 32.27 234.60 1930.00 85032.17 11:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 29501440 31411860 3437780 10.44 50156 2166232 1917744 5.82 1485908 1638588 4580 11:21:01 25774128 31004888 7165092 21.75 137496 5177944 3172016 9.63 2598348 3948328 841280 11:22:01 26889460 31125356 6049760 18.37 139952 4306044 2593772 7.87 2086328 3478328 151692 11:23:01 25233452 30897752 7705768 23.39 148744 5666396 3370200 10.23 2519420 4626372 38416 11:24:01 24828944 30946996 8110276 24.62 155448 6070036 3324508 10.09 2484468 5020936 242024 Average: 26445485 31077370 6493735 19.71 126359 4677330 2875648 8.73 2234894 3742510 255598 11:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 103.85 103.85 38.14 38.14 0.00 0.00 0.00 0.00 11:20:01 ens3 498.68 361.67 2481.52 83.85 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 veth9e1e9081 7.95 10.02 2.47 2.49 0.00 0.00 0.00 0.00 11:21:01 lo 119.30 119.30 132.74 132.74 0.00 0.00 0.00 0.00 11:21:01 ens3 638.75 404.33 10146.22 37.75 0.00 0.00 0.00 0.00 11:21:01 veth3e00303b 5.45 4.67 1.10 1.82 0.00 0.00 0.00 0.00 11:22:01 veth9e1e9081 6.85 8.16 2.06 0.96 0.00 0.00 0.00 0.00 11:22:01 lo 12.60 12.60 3.77 3.77 0.00 0.00 0.00 0.00 11:22:01 ens3 22.36 14.13 201.53 1.72 0.00 0.00 0.00 0.00 11:22:01 veth3e00303b 1.50 1.60 0.13 0.20 0.00 0.00 0.00 0.00 11:23:01 veth9e1e9081 7.17 8.62 2.14 1.11 0.00 0.00 0.00 0.00 11:23:01 lo 43.74 43.74 16.23 16.23 0.00 0.00 0.00 0.00 11:23:01 ens3 238.16 154.56 6088.38 16.50 0.00 0.00 0.00 0.00 11:23:01 veth3e00303b 1.65 1.85 0.14 0.41 0.00 0.00 0.00 0.00 11:24:01 veth9e1e9081 7.08 8.35 2.13 1.06 0.00 0.00 0.00 0.00 11:24:01 lo 20.85 20.85 5.90 5.90 0.00 0.00 0.00 0.00 11:24:01 ens3 80.55 58.61 1457.01 10.36 0.00 0.00 0.00 0.00 11:24:01 veth3e00303b 1.48 1.58 0.13 0.20 0.00 0.00 0.00 0.00 Average: veth9e1e9081 5.81 7.03 1.76 1.12 0.00 0.00 0.00 0.00 Average: lo 60.06 60.06 39.35 39.35 0.00 0.00 0.00 0.00 Average: ens3 295.68 198.65 4074.60 30.03 0.00 0.00 0.00 0.00 Average: veth3e00303b 2.02 1.94 0.30 0.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-784) 08/03/26 _x86_64_ (8 CPU) 11:18:53 LINUX RESTART (8 CPU) 11:19:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 8.99 0.60 2.48 4.66 0.05 83.21 11:20:01 0 7.46 0.02 1.71 1.82 0.05 88.94 11:20:01 1 16.87 0.00 3.79 6.29 0.07 72.98 11:20:01 2 6.56 0.00 2.27 7.27 0.05 83.85 11:20:01 3 7.89 1.57 3.31 1.22 0.07 85.93 11:20:01 4 8.12 0.00 2.30 3.24 0.05 86.29 11:20:01 5 7.58 0.00 2.06 14.09 0.05 76.22 11:20:01 6 7.31 0.00 1.81 1.07 0.05 89.77 11:20:01 7 10.12 3.20 2.54 2.33 0.05 81.76 11:21:01 all 36.23 0.00 7.20 4.17 0.13 52.27 11:21:01 0 34.10 0.00 7.27 6.54 0.12 51.97 11:21:01 1 35.52 0.00 6.91 6.33 0.12 51.11 11:21:01 2 37.08 0.00 7.03 2.52 0.15 53.23 11:21:01 3 37.02 0.00 6.95 4.47 0.12 51.45 11:21:01 4 37.29 0.00 7.16 3.78 0.14 51.63 11:21:01 5 36.56 0.00 7.66 2.59 0.14 53.04 11:21:01 6 35.14 0.00 7.41 4.91 0.12 52.42 11:21:01 7 37.10 0.00 7.26 2.22 0.12 53.30 11:22:01 all 40.96 0.00 5.97 0.58 0.10 52.39 11:22:01 0 42.23 0.00 6.91 0.05 0.10 50.71 11:22:01 1 39.69 0.00 5.53 0.64 0.12 54.02 11:22:01 2 38.66 0.00 5.88 0.08 0.10 55.27 11:22:01 3 37.45 0.00 5.58 0.32 0.08 56.57 11:22:01 4 38.68 0.00 5.38 0.40 0.10 55.44 11:22:01 5 42.84 0.00 5.53 0.07 0.08 51.48 11:22:01 6 44.71 0.00 6.22 0.23 0.10 48.73 11:22:01 7 43.41 0.00 6.73 2.83 0.12 46.92 11:23:01 all 8.47 0.20 3.06 1.10 0.09 87.07 11:23:01 0 6.10 0.02 2.68 0.25 0.08 90.87 11:23:01 1 11.21 0.00 2.81 0.29 0.08 85.61 11:23:01 2 7.17 0.00 2.95 0.23 0.08 89.57 11:23:01 3 8.33 0.02 3.40 0.63 0.08 87.54 11:23:01 4 8.26 0.00 2.35 2.77 0.12 86.49 11:23:01 5 11.32 0.00 3.08 0.61 0.08 84.91 11:23:01 6 5.95 0.00 2.90 2.16 0.10 88.90 11:23:01 7 9.42 1.60 4.34 1.88 0.10 82.66 11:24:01 all 11.52 0.00 1.28 0.82 0.08 86.31 11:24:01 0 4.42 0.00 1.09 0.43 0.07 93.99 11:24:01 1 28.43 0.00 2.01 0.57 0.08 68.92 11:24:01 2 6.20 0.00 0.99 0.07 0.08 92.66 11:24:01 3 12.47 0.00 1.07 0.99 0.07 85.41 11:24:01 4 14.47 0.00 1.32 0.45 0.03 83.72 11:24:01 5 11.39 0.00 1.20 2.68 0.07 84.66 11:24:01 6 10.15 0.00 1.54 1.10 0.10 87.11 11:24:01 7 4.66 0.00 1.02 0.27 0.08 93.96 Average: all 21.19 0.16 3.99 2.27 0.09 72.31 Average: 0 18.80 0.01 3.92 1.81 0.08 75.37 Average: 1 26.31 0.00 4.20 2.82 0.09 66.57 Average: 2 19.02 0.00 3.81 2.03 0.09 75.04 Average: 3 20.62 0.32 4.06 1.52 0.08 73.40 Average: 4 21.32 0.00 3.69 2.13 0.09 72.77 Average: 5 21.90 0.00 3.90 4.01 0.08 70.11 Average: 6 20.62 0.00 3.97 1.89 0.09 73.43 Average: 7 20.90 0.96 4.37 1.91 0.09 71.76