---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6203 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/35223577bdf30b1a41d014aab1d3ea35ff91973e684cc7f6febcd6dfd707af70/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ed911bca683d1cd3d14746f9b510f96e329cb412308c08793777a624fd49c045/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/76caa580e9aa7c9e1a9240364f7d85a6056773b0e301cf60f353d75b77673df3/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4b9afcd9d69407b7fd1aadae8a9d74d5830a7ebf60e28bcb749164d8bca02c83/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b8f51924e456f360e6509cd4989e4ec2237a425b330ee087f8fd0df6ed5f8ee0/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1558 24138 1 6470 30151 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:75:f0:09 brd ff:ff:ff:ff:ff:ff inet 10.30.107.24/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe75:f009/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:59:53:90 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::42:56ff:fe59:5390/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 3a:8f:6e:4c:a3:cd 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::388f:6eff:fe4c:a3cd/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 56:da:7e:a9:5d:d5 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::54da:7eff:fea9:5dd5/64 scope link valid_lft forever preferred_lft forever 6: vetha21dfd40@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:6c:65:df:1c:35 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::3c6c:65ff:fedf:1c35/64 scope link valid_lft forever preferred_lft forever 7: veth5369738f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether d6:5e:67:c2:f9:0e brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::d45e:67ff:fec2:f90e/64 scope link valid_lft forever preferred_lft forever 12: veth6a0b8a08@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4a:51:2e:4b:86:18 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::4851:2eff:fe4b:8618/64 scope link valid_lft forever preferred_lft forever 13: vethff18a0e6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ba:d4:7a:6b:a8:f3 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b8d4:7aff:fe6b:a8f3/64 scope link valid_lft forever preferred_lft forever 14: veth2505846c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:e9:10:65:49:a5 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e9:10ff:fe65:49a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6203) 10/29/26 _x86_64_ (8 CPU) 12:31:12 LINUX RESTART (8 CPU) 12:32:01 tps rtps wtps bread/s bwrtn/s 12:33:01 440.08 47.91 392.17 2971.24 171790.30 12:34:01 82.22 0.00 82.22 0.00 42250.16 12:35:01 176.14 3.67 172.47 501.78 95516.21 12:36:01 115.06 20.48 94.58 771.47 12987.30 Average: 203.37 18.01 185.36 1061.12 80635.99 12:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:33:01 26268164 30814668 6671056 20.25 116636 4552928 3337828 10.13 2441672 3650400 290588 12:34:01 24950764 30890460 7988456 24.25 121552 5885396 3242828 9.84 3071916 4280164 957840 12:35:01 25461400 30965316 7477820 22.70 129172 5532932 3182072 9.66 2337768 4594280 61400 12:36:01 24896144 30854184 8043076 24.42 141324 5939088 3338604 10.14 2563364 4890548 184584 Average: 25394118 30881157 7545102 22.91 127171 5477586 3275333 9.94 2603680 4353848 373603 12:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:33:01 lo 222.43 222.43 172.49 172.49 0.00 0.00 0.00 0.00 12:33:01 vethff18a0e6 0.13 0.40 0.01 0.03 0.00 0.00 0.00 0.00 12:33:01 veth2bb7b7c 178.70 288.97 14.75 1508.20 0.00 0.00 0.00 0.12 12:33:01 veth6a0b8a08 4.97 5.92 1.54 2.04 0.00 0.00 0.00 0.00 12:34:01 lo 13.23 13.23 4.69 4.69 0.00 0.00 0.00 0.00 12:34:01 vethff18a0e6 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:34:01 veth2bb7b7c 0.70 0.72 0.06 0.44 0.00 0.00 0.00 0.00 12:34:01 veth6a0b8a08 6.57 7.72 1.92 0.99 0.00 0.00 0.00 0.00 12:35:01 lo 21.36 21.36 6.12 6.12 0.00 0.00 0.00 0.00 12:35:01 vethff18a0e6 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:35:01 veth6a0b8a08 7.38 8.42 2.15 0.99 0.00 0.00 0.00 0.00 12:35:01 vetha21dfd40 0.83 1.95 0.11 0.27 0.00 0.00 0.00 0.00 12:36:01 lo 40.94 40.94 15.67 15.67 0.00 0.00 0.00 0.00 12:36:01 vethff18a0e6 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 12:36:01 veth6a0b8a08 7.47 8.47 2.16 1.19 0.00 0.00 0.00 0.00 12:36:01 vetha21dfd40 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 Average: lo 74.49 74.49 49.74 49.74 0.00 0.00 0.00 0.00 Average: vethff18a0e6 0.05 0.18 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth6a0b8a08 6.59 7.63 1.94 1.30 0.00 0.00 0.00 0.00 Average: vetha21dfd40 0.24 0.54 0.03 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6203) 10/29/26 _x86_64_ (8 CPU) 12:31:12 LINUX RESTART (8 CPU) 12:32:01 CPU %user %nice %system %iowait %steal %idle 12:33:01 all 19.62 0.15 5.71 2.95 0.03 71.55 12:33:01 0 18.75 0.00 6.16 4.55 0.02 70.52 12:33:01 1 20.33 0.00 5.82 5.05 0.03 68.76 12:33:01 2 21.45 0.00 5.60 1.40 0.03 71.52 12:33:01 3 20.82 0.00 5.29 1.14 0.02 72.73 12:33:01 4 18.71 0.00 6.02 0.83 0.02 74.43 12:33:01 5 19.38 1.18 6.13 6.67 0.03 66.60 12:33:01 6 18.58 0.00 5.34 3.00 0.03 73.04 12:33:01 7 18.89 0.00 5.31 0.94 0.02 74.84 12:34:01 all 57.14 0.00 6.82 0.20 0.03 35.81 12:34:01 0 61.16 0.00 6.95 0.00 0.03 31.86 12:34:01 1 58.07 0.00 6.53 0.34 0.02 35.05 12:34:01 2 55.90 0.00 6.68 0.05 0.05 37.32 12:34:01 3 56.46 0.00 6.98 0.00 0.03 36.53 12:34:01 4 58.86 0.00 7.04 0.49 0.03 33.57 12:34:01 5 56.58 0.00 6.83 0.00 0.03 36.55 12:34:01 6 55.19 0.00 6.57 0.74 0.03 37.46 12:34:01 7 54.86 0.00 6.97 0.00 0.03 38.13 12:35:01 all 14.05 0.21 4.07 1.33 0.02 80.32 12:35:01 0 13.63 0.00 3.56 0.17 0.02 82.62 12:35:01 1 15.41 0.00 4.92 0.47 0.02 79.19 12:35:01 2 12.33 0.00 4.55 7.44 0.03 75.65 12:35:01 3 16.19 0.00 3.84 0.07 0.02 79.89 12:35:01 4 12.49 0.00 3.21 1.14 0.02 83.14 12:35:01 5 12.01 0.00 4.33 0.17 0.02 83.48 12:35:01 6 15.19 0.00 3.72 0.69 0.03 80.37 12:35:01 7 15.13 1.64 4.45 0.55 0.02 78.20 12:36:01 all 10.73 0.00 1.66 0.63 0.02 86.97 12:36:01 0 3.80 0.00 1.38 0.08 0.02 94.71 12:36:01 1 6.23 0.00 1.79 0.35 0.03 91.60 12:36:01 2 26.90 0.00 2.51 1.21 0.02 69.36 12:36:01 3 8.40 0.00 1.44 0.13 0.02 90.01 12:36:01 4 14.40 0.00 1.52 0.65 0.02 83.41 12:36:01 5 2.45 0.00 1.36 1.04 0.02 95.13 12:36:01 6 11.69 0.00 1.72 1.10 0.02 85.46 12:36:01 7 11.94 0.00 1.55 0.42 0.02 86.07 Average: all 25.36 0.09 4.56 1.28 0.02 68.69 Average: 0 24.29 0.00 4.51 1.20 0.02 69.99 Average: 1 24.97 0.00 4.76 1.55 0.03 68.69 Average: 2 29.15 0.00 4.83 2.52 0.03 63.46 Average: 3 25.44 0.00 4.39 0.33 0.02 69.81 Average: 4 26.10 0.00 4.44 0.78 0.02 68.66 Average: 5 22.62 0.29 4.66 1.97 0.03 70.43 Average: 6 25.15 0.00 4.34 1.39 0.03 69.10 Average: 7 25.19 0.41 4.56 0.48 0.02 69.34