---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3624 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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/c75f800ffdc4f1a57f785ad75cd88e988f8c236173ab58a8fe306314f19e4693/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9fa682abd82acd72117b05b937d6d93979a114dffe5e2fc51efd6596d5c94a0e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/bce04bbfbb3cb7e0f020cf6f108ff3826ee87488d668ed82fdb8a20cdf69aaa3/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1946a4df4c3191d173c122a81cb64d3724dcc1ff55a673bc10c4d2f5f4f3511c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2fe244ed9f290ef28b357ca863b58e7c301119b23c71b0637f2dde9bd8966904/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1538 24197 1 6431 30172 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:d2:6f:14 brd ff:ff:ff:ff:ff:ff inet 10.30.107.92/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86080sec preferred_lft 86080sec inet6 fe80::f816:3eff:fed2:6f14/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:94:71:bb:44 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::42:94ff:fe71:bb44/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 22:3d:43:ac:89:c7 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::203d:43ff:feac:89c7/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether be:e6:1d:f8:a2:ef 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::bce6:1dff:fef8:a2ef/64 scope link valid_lft forever preferred_lft forever 6: veth9ee17cf0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:53:66:da:a0:a5 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::e053:66ff:feda:a0a5/64 scope link valid_lft forever preferred_lft forever 7: vethf12e5960@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:4c:97:99:25:62 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::9c4c:97ff:fe99:2562/64 scope link valid_lft forever preferred_lft forever 10: veth93b73a02@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b6:19:11:5f:5a:5e brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::b419:11ff:fe5f:5a5e/64 scope link valid_lft forever preferred_lft forever 13: vethc884d0fe@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:42:5b:34:65:7e brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::c42:5bff:fe34:657e/64 scope link valid_lft forever preferred_lft forever 14: vethc06ba278@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:c3:df:4f:2f:13 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3cc3:dfff:fe4f:2f13/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3624) 09/21/26 _x86_64_ (8 CPU) 05:55:14 LINUX RESTART (8 CPU) 05:56:02 tps rtps wtps bread/s bwrtn/s 05:57:01 504.34 83.09 421.25 3695.29 164773.16 05:58:01 178.79 0.00 178.79 0.00 71172.00 05:59:01 200.65 3.87 196.78 532.04 91820.56 06:00:01 94.33 20.40 73.94 762.27 11469.69 Average: 243.45 26.61 216.85 1237.26 84477.69 05:56:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:57:01 25722476 30633100 7216744 21.91 131132 4879748 3964776 12.04 2812152 3800528 998664 05:58:01 24964820 30965224 7974400 24.21 134320 5920208 3070296 9.32 3040284 4287292 986476 05:59:01 25255852 30844072 7683368 23.33 140516 5606292 3492916 10.60 2464364 4665368 155740 06:00:01 24965840 30879376 7973380 24.21 150436 5889040 3373864 10.24 2547528 4842348 188448 Average: 25227247 30830443 7711973 23.41 139101 5573822 3475463 10.55 2716082 4398884 582332 05:56:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:57:01 veth9ee17cf0 6.44 8.29 1.96 2.35 0.00 0.00 0.00 0.00 05:57:01 vethc06ba278 5.42 4.56 1.10 1.91 0.00 0.00 0.00 0.00 05:57:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 docker0 196.83 305.15 14.81 1641.75 0.00 0.00 0.00 0.00 05:58:01 veth9ee17cf0 6.75 8.13 2.02 0.95 0.00 0.00 0.00 0.00 05:58:01 vethc06ba278 1.52 1.68 0.13 0.20 0.00 0.00 0.00 0.00 05:58:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 docker0 4.50 7.57 0.33 19.10 0.00 0.00 0.00 0.00 05:59:01 veth9ee17cf0 7.23 8.52 2.14 1.03 0.00 0.00 0.00 0.00 05:59:01 vethc06ba278 1.60 1.78 0.13 0.32 0.00 0.00 0.00 0.00 05:59:01 veth46eaac93 0.10 0.18 0.01 0.02 0.00 0.00 0.00 0.00 05:59:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 veth9ee17cf0 7.30 8.45 2.15 1.14 0.00 0.00 0.00 0.00 06:00:01 vethc06ba278 1.57 1.62 0.13 0.28 0.00 0.00 0.00 0.00 06:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 docker0 198.13 307.75 14.90 1633.77 0.00 0.00 0.00 0.00 Average: veth9ee17cf0 6.93 8.35 2.07 1.37 0.00 0.00 0.00 0.00 Average: vethc06ba278 2.51 2.40 0.37 0.67 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: docker0 49.74 77.26 3.74 410.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3624) 09/21/26 _x86_64_ (8 CPU) 05:55:14 LINUX RESTART (8 CPU) 05:56:02 CPU %user %nice %system %iowait %steal %idle 05:57:01 all 34.97 0.19 8.02 3.37 0.02 53.44 05:57:01 0 35.51 0.00 7.67 2.56 0.03 54.23 05:57:01 1 33.91 0.00 8.54 1.22 0.02 56.31 05:57:01 2 34.03 0.00 8.40 8.64 0.02 48.91 05:57:01 3 34.68 0.00 8.24 1.59 0.03 55.45 05:57:01 4 34.83 1.48 8.27 4.92 0.02 50.48 05:57:01 5 35.01 0.00 7.71 2.88 0.02 54.39 05:57:01 6 37.11 0.00 7.95 3.25 0.03 51.66 05:57:01 7 34.68 0.00 7.37 1.84 0.02 56.08 05:58:01 all 54.89 0.00 7.29 0.57 0.02 37.22 05:58:01 0 54.26 0.00 7.22 0.18 0.02 38.32 05:58:01 1 53.42 0.00 7.08 0.00 0.03 39.47 05:58:01 2 54.42 0.00 7.23 0.71 0.02 37.63 05:58:01 3 53.99 0.00 6.42 2.21 0.00 37.38 05:58:01 4 52.16 0.00 7.67 0.52 0.03 39.62 05:58:01 5 56.38 0.00 7.42 0.05 0.00 36.15 05:58:01 6 56.79 0.00 7.62 0.29 0.02 35.29 05:58:01 7 57.70 0.00 7.75 0.62 0.03 33.90 05:59:01 all 9.71 0.20 4.39 1.31 0.01 84.40 05:59:01 0 7.31 1.58 3.95 1.83 0.02 85.32 05:59:01 1 9.36 0.00 3.91 1.90 0.00 84.82 05:59:01 2 11.67 0.00 4.72 0.24 0.00 83.37 05:59:01 3 10.69 0.00 3.24 0.08 0.02 85.97 05:59:01 4 8.19 0.00 3.23 0.99 0.00 87.59 05:59:01 5 7.87 0.00 5.01 2.20 0.02 84.89 05:59:01 6 8.93 0.00 4.17 3.14 0.00 83.75 05:59:01 7 13.63 0.00 6.86 0.07 0.02 79.43 06:00:01 all 10.40 0.00 1.44 0.66 0.01 87.49 06:00:01 0 11.77 0.00 1.22 1.27 0.00 85.74 06:00:01 1 15.33 0.00 1.54 0.32 0.00 82.81 06:00:01 2 7.66 0.00 1.67 0.17 0.02 90.49 06:00:01 3 4.51 0.00 1.01 0.02 0.00 94.46 06:00:01 4 8.00 0.00 1.41 1.71 0.02 88.86 06:00:01 5 12.34 0.00 1.42 0.55 0.02 85.67 06:00:01 6 9.26 0.00 1.28 0.79 0.00 88.67 06:00:01 7 14.28 0.00 1.97 0.42 0.02 83.31 Average: all 27.44 0.10 5.27 1.46 0.01 65.72 Average: 0 27.14 0.40 5.00 1.45 0.02 66.00 Average: 1 27.97 0.00 5.25 0.86 0.01 65.91 Average: 2 26.90 0.00 5.49 2.41 0.01 65.20 Average: 3 25.93 0.00 4.71 0.97 0.01 68.37 Average: 4 25.74 0.36 5.13 2.02 0.02 66.73 Average: 5 27.85 0.00 5.37 1.41 0.01 65.35 Average: 6 27.94 0.00 5.23 1.86 0.01 64.95 Average: 7 30.04 0.00 5.97 0.73 0.02 63.23