---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-16720 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/c979ac09044a2f926f7565a77c2d56656a2d7e31af7b5afc9c0ee4cda4d8527a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5eb99407ba728af278044139750688f146822649c4be56fd68d51729e9507da5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4c261a3629ca3ae542eac77e290479fde6c8ed404452a756c3dde3b01745323f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3233a14f3cc88af99ab26c816216cab3b4d93f02bea03b504ed0fc030bb7bd79/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c20f8c76bc894d95adc660a2b832fd977d173dee00e0de0a856f0d5031630f80/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1547 24178 1 6441 30163 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:bd:82:be brd ff:ff:ff:ff:ff:ff inet 10.30.106.237/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86050sec preferred_lft 86050sec inet6 fe80::f816:3eff:febd:82be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e8:6b:d3:4d 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:e8ff:fe6b:d34d/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 6a:21:84:fa:2e:c4 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::6821:84ff:fefa:2ec4/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 56:71:e3:a0:f9:cf 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::5471:e3ff:fea0:f9cf/64 scope link valid_lft forever preferred_lft forever 9: vetha87a6334@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:ff:2f:fd:2e:50 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::20ff:2fff:fefd:2e50/64 scope link valid_lft forever preferred_lft forever 10: vethea3608b3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:94:18:eb:ce:c5 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::ac94:18ff:feeb:cec5/64 scope link valid_lft forever preferred_lft forever 11: vethe531cbbb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:99:9c:de:0d:8e brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::5099:9cff:fede:d8e/64 scope link valid_lft forever preferred_lft forever 13: veth1134b856@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:b0:59:bb:0e:7b brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::84b0:59ff:febb:e7b/64 scope link valid_lft forever preferred_lft forever 14: veth618a30f6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ee:43:13:f8:9f:e5 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::ec43:13ff:fef8:9fe5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-16720) 08/31/26 _x86_64_ (8 CPU) 05:54:52 LINUX RESTART (8 CPU) 05:55:01 tps rtps wtps bread/s bwrtn/s 05:56:02 347.88 95.08 252.79 6184.84 134870.59 05:57:01 576.69 41.83 534.86 2210.94 148070.88 05:58:01 75.22 0.02 75.20 0.13 35709.52 05:59:01 176.04 3.35 172.69 455.39 90395.20 06:00:01 94.34 20.74 73.59 812.66 11545.88 Average: 252.97 32.17 220.80 1931.84 83906.43 05:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:56:02 29566108 31413744 3373112 10.24 45716 2115904 1795208 5.45 1372512 1703804 3208 05:57:01 26200124 30929532 6739096 20.46 137888 4699612 3493832 10.61 2422860 3716644 470636 05:58:01 25248580 30947664 7690640 23.35 141708 5624744 3669352 11.14 2909144 4138548 688868 05:59:01 25581312 30994028 7357908 22.34 147304 5426796 3201836 9.72 2319244 4495460 672 06:00:01 25042972 30918092 7896248 23.97 160840 5843672 3278980 9.95 2513768 4798952 152428 Average: 26327819 31040612 6611401 20.07 126691 4742146 3087842 9.37 2307506 3770682 263162 05:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:56:02 ens3 375.10 304.53 2478.12 78.47 0.00 0.00 0.00 0.00 05:56:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:02 lo 59.94 59.94 15.34 15.34 0.00 0.00 0.00 0.00 05:57:01 vethd69d8bb 256.31 368.69 21.86 1646.17 0.00 0.00 0.00 0.13 05:57:01 vethea3608b3 6.47 8.05 2.00 2.30 0.00 0.00 0.00 0.00 05:57:01 cni0 38.96 37.29 21.27 97.21 0.00 0.00 0.86 0.00 05:57:01 ens3 664.46 470.34 10313.93 43.43 0.00 0.00 0.00 0.00 05:58:01 vethd69d8bb 7.10 13.71 0.57 19.31 0.00 0.00 0.00 0.00 05:58:01 vethea3608b3 6.80 8.10 2.02 1.03 0.00 0.00 0.00 0.00 05:58:01 cni0 11.21 12.73 2.26 1.50 0.00 0.00 0.12 0.00 05:58:01 ens3 15.16 8.38 19.84 1.55 0.00 0.00 0.00 0.00 05:59:01 vethea3608b3 7.32 8.40 2.15 0.98 0.00 0.00 0.00 0.00 05:59:01 cni0 11.96 13.11 2.40 1.46 0.00 0.00 0.08 0.00 05:59:01 ens3 167.32 127.25 5369.35 13.16 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 vethea3608b3 7.41 8.45 2.16 1.18 0.00 0.00 0.00 0.00 06:00:01 cni0 12.48 13.48 2.44 1.98 0.00 0.00 0.10 0.00 06:00:01 ens3 114.05 82.16 1632.50 12.30 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 Average: vethea3608b3 5.60 6.59 1.66 1.10 0.00 0.00 0.00 0.00 Average: cni0 14.85 15.25 5.62 20.18 0.00 0.00 0.23 0.00 Average: ens3 265.91 197.64 3941.86 29.74 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-16720) 08/31/26 _x86_64_ (8 CPU) 05:54:52 LINUX RESTART (8 CPU) 05:55:01 CPU %user %nice %system %iowait %steal %idle 05:56:02 all 8.71 0.61 2.49 2.80 0.00 85.39 05:56:02 0 8.93 0.10 1.92 1.49 0.00 87.56 05:56:02 1 7.83 0.00 3.42 0.72 0.00 88.04 05:56:02 2 9.21 0.00 3.36 3.26 0.02 84.16 05:56:02 3 7.60 0.00 2.02 0.40 0.00 89.98 05:56:02 4 10.94 1.66 2.14 9.58 0.00 75.67 05:56:02 5 8.12 3.06 2.91 2.73 0.00 83.18 05:56:02 6 10.54 0.02 2.03 3.64 0.00 83.77 05:56:02 7 6.49 0.00 2.11 0.59 0.00 90.81 05:57:01 all 27.20 0.00 7.49 3.81 0.02 61.48 05:57:01 0 27.13 0.00 7.64 4.00 0.02 61.21 05:57:01 1 27.86 0.00 7.01 3.40 0.02 61.71 05:57:01 2 26.42 0.00 7.33 4.83 0.00 61.41 05:57:01 3 26.13 0.00 6.54 1.75 0.02 65.57 05:57:01 4 28.38 0.00 8.12 5.90 0.02 57.57 05:57:01 5 28.10 0.00 7.93 2.72 0.02 61.24 05:57:01 6 29.00 0.00 7.55 5.44 0.00 58.01 05:57:01 7 24.62 0.00 7.79 2.48 0.00 65.11 05:58:01 all 52.59 0.00 6.71 0.25 0.02 40.44 05:58:01 0 49.77 0.00 6.28 0.07 0.03 43.85 05:58:01 1 52.27 0.00 6.58 0.00 0.00 41.15 05:58:01 2 49.93 0.00 6.54 1.36 0.02 42.15 05:58:01 3 53.97 0.00 6.47 0.02 0.00 39.55 05:58:01 4 55.95 0.00 7.19 0.02 0.02 36.83 05:58:01 5 54.52 0.00 7.35 0.35 0.02 37.76 05:58:01 6 54.71 0.00 6.56 0.02 0.02 38.69 05:58:01 7 49.58 0.00 6.67 0.15 0.03 43.56 05:59:01 all 19.98 0.42 5.32 1.15 0.01 73.11 05:59:01 0 17.88 0.00 5.10 0.37 0.02 76.64 05:59:01 1 20.10 0.00 5.96 0.12 0.02 73.81 05:59:01 2 20.41 0.00 4.86 1.33 0.02 73.38 05:59:01 3 24.37 1.70 4.30 0.42 0.02 69.19 05:59:01 4 22.26 0.00 6.19 0.08 0.02 71.46 05:59:01 5 19.58 1.62 5.85 2.08 0.02 70.86 05:59:01 6 18.08 0.02 5.69 3.07 0.02 73.13 05:59:01 7 17.12 0.00 4.67 1.82 0.02 76.38 06:00:01 all 9.53 0.00 1.81 0.58 0.01 88.08 06:00:01 0 14.71 0.00 1.82 0.20 0.02 83.25 06:00:01 1 6.82 0.00 1.57 0.07 0.00 91.54 06:00:01 2 8.99 0.00 1.86 2.75 0.00 86.39 06:00:01 3 13.57 0.00 2.34 0.15 0.00 83.94 06:00:01 4 4.41 0.00 1.95 0.22 0.00 93.42 06:00:01 5 3.55 0.00 1.36 0.20 0.00 94.88 06:00:01 6 16.49 0.00 2.06 0.45 0.02 80.99 06:00:01 7 7.66 0.00 1.41 0.54 0.02 90.38 Average: all 23.57 0.21 4.75 1.71 0.01 69.76 Average: 0 23.65 0.02 4.53 1.21 0.02 70.57 Average: 1 22.93 0.00 4.89 0.85 0.01 71.33 Average: 2 22.97 0.00 4.78 2.70 0.01 69.55 Average: 3 25.09 0.34 4.32 0.54 0.01 69.70 Average: 4 24.34 0.33 5.10 3.15 0.01 67.06 Average: 5 22.76 0.94 5.07 1.61 0.01 69.61 Average: 6 25.75 0.01 4.76 2.50 0.01 66.97 Average: 7 21.06 0.00 4.51 1.10 0.01 73.31