---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6597 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 1.6M 3.2G 1% /run /dev/vda1 155G 13G 143G 9% / 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/994ca45b783f342391ad45422b42a4522d9b0202b90d43a995f45d500d0ca732/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/760977a3924afc1f383206fd09c44a7b09d2caee2595f8fe982bc14970d56b0b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f947e2d40ef4281afb7d7f9efcbccb5d63d95e82158feac9d42ad5d587114264/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b2e63296e57141411722dbf2d841f357efa05a8d00b68754dfa505a0237d89f0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6ceaeccb8388364a1e71d9bc992084f965049b14224b74b08403e2e50f8bc56b/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1367 25405 1 5394 30343 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:f4:0c:00 brd ff:ff:ff:ff:ff:ff inet 10.30.106.32/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86036sec preferred_lft 86036sec inet6 fe80::f816:3eff:fef4:c00/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:96:31:31:bf 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::42:96ff:fe31:31bf/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0e:3e:42:7f:e0:97 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::c3e:42ff:fe7f:e097/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 06:bf:87:d8:8f:d4 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::4bf:87ff:fed8:8fd4/64 scope link valid_lft forever preferred_lft forever 7: veth159a7a41@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:ed:28:f1:e7:ad brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::74ed:28ff:fef1:e7ad/64 scope link valid_lft forever preferred_lft forever 8: veth05ea9967@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 92:ab:39:90:b2:43 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::90ab:39ff:fe90:b243/64 scope link valid_lft forever preferred_lft forever 9: veth689a95cd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:5c:04:5e:5c:13 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::3c5c:4ff:fe5e:5c13/64 scope link valid_lft forever preferred_lft forever 13: vethf92cbfde@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:86:22:15:a8:e9 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::5086:22ff:fe15:a8e9/64 scope link valid_lft forever preferred_lft forever 14: vethb6fd2d61@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:ca:2c:a6:02:b3 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::fcca:2cff:fea6:2b3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6597) 07/08/26 _x86_64_ (8 CPU) 09:34:54 LINUX RESTART (8 CPU) 09:35:01 tps rtps wtps bread/s bwrtn/s 09:36:01 309.03 94.80 214.23 6174.44 92407.53 09:37:01 418.31 42.18 376.14 2210.16 119341.84 09:38:01 205.38 0.03 205.35 0.27 81879.77 09:39:01 142.08 3.23 138.84 451.52 70487.72 09:40:01 105.20 20.72 84.48 792.41 25550.44 Average: 235.98 32.19 203.79 1925.54 77926.61 09:35:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:36:01 30154612 31771476 2784608 8.45 45288 1889760 1388124 4.21 961808 1548612 365468 09:37:01 26694268 31083900 6244952 18.96 126748 4389364 2855220 8.67 2045120 3627328 606668 09:38:01 25932264 31073380 7006956 21.27 134572 5092232 2788000 8.46 2525180 3867264 355312 09:39:01 26504760 31042744 6434460 19.53 136868 4603904 2976032 9.03 2112236 3827664 504 09:40:01 26276088 31061152 6663132 20.23 146216 4810680 2520748 7.65 2132232 4007508 147260 Average: 27112398 31206530 5826822 17.69 117938 4157188 2505625 7.61 1955315 3375675 295042 09:35:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 ens3 668.02 454.49 2421.99 89.91 0.00 0.00 0.00 0.00 09:36:01 lo 2.63 2.63 0.28 0.28 0.00 0.00 0.00 0.00 09:37:01 veth05ea9967 0.57 1.42 0.10 0.21 0.00 0.00 0.00 0.00 09:37:01 docker0 143.88 198.98 11.56 1606.43 0.00 0.00 0.00 0.00 09:37:01 vethf92cbfde 0.13 0.40 0.01 0.03 0.00 0.00 0.00 0.00 09:37:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:38:01 veth05ea9967 0.13 0.22 0.01 0.02 0.00 0.00 0.00 0.00 09:38:01 docker0 11.65 15.86 0.92 19.98 0.00 0.00 0.00 0.00 09:38:01 vethf92cbfde 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:38:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:39:01 veth05ea9967 0.15 0.18 0.01 0.02 0.00 0.00 0.00 0.00 09:39:01 docker0 0.17 0.22 0.01 0.02 0.00 0.00 0.00 0.00 09:39:01 vethf92cbfde 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 09:39:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 veth05ea9967 0.13 0.13 0.01 0.02 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 vethf92cbfde 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth05ea9967 0.20 0.39 0.02 0.05 0.00 0.00 0.00 0.00 Average: docker0 31.13 43.02 2.50 325.23 0.00 0.00 0.00 0.00 Average: vethf92cbfde 0.04 0.12 0.00 0.01 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6597) 07/08/26 _x86_64_ (8 CPU) 09:34:54 LINUX RESTART (8 CPU) 09:35:01 CPU %user %nice %system %iowait %steal %idle 09:36:01 all 6.55 0.64 1.60 5.19 0.05 85.97 09:36:01 0 7.90 0.00 1.69 3.77 0.05 86.59 09:36:01 1 7.69 3.58 1.44 2.07 0.05 85.17 09:36:01 2 7.11 0.02 1.54 1.89 0.03 89.42 09:36:01 3 5.79 0.00 2.66 3.92 0.03 87.60 09:36:01 4 3.74 1.52 1.25 1.07 0.05 92.37 09:36:01 5 3.00 0.00 1.19 25.72 0.05 70.03 09:36:01 6 13.14 0.00 1.79 1.70 0.05 83.32 09:36:01 7 4.01 0.00 1.26 1.39 0.07 93.27 09:37:01 all 13.90 0.00 5.43 14.55 0.09 66.03 09:37:01 0 13.23 0.00 5.70 8.08 0.10 72.89 09:37:01 1 14.24 0.00 4.91 27.07 0.10 53.68 09:37:01 2 15.11 0.00 6.90 25.32 0.10 52.57 09:37:01 3 13.20 0.00 5.01 11.60 0.12 70.07 09:37:01 4 15.61 0.00 5.44 18.08 0.10 60.77 09:37:01 5 13.38 0.00 4.84 8.39 0.08 73.30 09:37:01 6 13.31 0.00 5.33 9.37 0.10 71.90 09:37:01 7 13.12 0.00 5.33 8.45 0.10 72.99 09:38:01 all 41.20 0.00 5.34 4.44 0.10 48.93 09:38:01 0 39.48 0.00 5.04 11.93 0.10 43.45 09:38:01 1 39.16 0.00 5.35 2.10 0.08 53.30 09:38:01 2 41.87 0.00 5.05 7.44 0.10 45.54 09:38:01 3 41.56 0.00 5.98 6.01 0.10 46.35 09:38:01 4 39.58 0.00 5.21 0.13 0.10 54.98 09:38:01 5 45.08 0.00 4.87 1.82 0.08 48.15 09:38:01 6 42.77 0.00 5.62 5.18 0.12 46.32 09:38:01 7 40.10 0.00 5.52 0.92 0.08 53.37 09:39:01 all 38.76 0.00 6.23 4.76 0.10 50.15 09:39:01 0 37.65 0.00 6.53 1.36 0.08 54.39 09:39:01 1 37.88 0.00 6.55 1.56 0.10 53.91 09:39:01 2 37.13 0.00 5.95 5.13 0.10 51.70 09:39:01 3 42.43 0.00 6.08 0.37 0.10 51.02 09:39:01 4 37.98 0.00 5.68 4.60 0.10 51.65 09:39:01 5 40.27 0.00 5.89 10.49 0.10 43.25 09:39:01 6 37.55 0.00 6.60 0.79 0.08 54.98 09:39:01 7 39.20 0.00 6.58 13.80 0.10 40.32 09:40:01 all 8.16 0.00 1.56 2.90 0.06 87.32 09:40:01 0 14.78 0.00 2.49 2.09 0.07 80.58 09:40:01 1 3.85 0.00 0.96 0.18 0.05 94.95 09:40:01 2 11.86 0.00 2.08 6.00 0.08 79.97 09:40:01 3 10.42 0.00 1.61 0.65 0.05 87.27 09:40:01 4 11.31 0.00 1.20 2.20 0.07 85.22 09:40:01 5 7.56 0.00 1.53 8.95 0.05 81.91 09:40:01 6 3.01 0.00 1.34 2.88 0.07 92.71 09:40:01 7 2.54 0.00 1.29 0.27 0.07 95.83 Average: all 21.69 0.13 4.03 6.35 0.08 67.72 Average: 0 22.60 0.00 4.29 5.43 0.08 67.59 Average: 1 20.51 0.72 3.83 6.56 0.08 68.30 Average: 2 22.59 0.00 4.30 9.13 0.08 63.90 Average: 3 22.66 0.00 4.26 4.50 0.08 68.49 Average: 4 21.61 0.31 3.75 5.20 0.08 69.06 Average: 5 21.85 0.00 3.66 11.08 0.07 63.33 Average: 6 21.94 0.00 4.13 3.97 0.08 69.88 Average: 7 19.79 0.00 3.99 4.95 0.08 71.19