---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6414 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: 2800.012 BogoMIPS: 5600.02 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/b8b0eb7c48533f44f5977ec1bfe3bf96fcc2b5847f801ca575549c4334baf0a0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0811a2aa020f8fc537835890051b3330281729913dfe660bdb353c8f4aa6fa58/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c11e395d75d2b5b1bba4bdf57f27cf9e552b3bcf658a0343632f24b5b88e8d39/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9ce2c1d024ae36361f6e1e4db3c69d8efbe5e731e2eec044149e80d6bf5c484d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/601c593d27eb17af596d56d9f0ae8e18561483ce3b04ce6c5e52c5d803172469/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1540 24188 1 6438 30170 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:87:eb:59 brd ff:ff:ff:ff:ff:ff inet 10.30.106.243/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86065sec preferred_lft 86065sec inet6 fe80::f816:3eff:fe87:eb59/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b8:b9:b2:67 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:b8ff:feb9:b267/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ae:c0:ce:fe:88:5f 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::acc0:ceff:fefe:885f/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether b6:c4:f5:c6:20:19 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::b4c4:f5ff:fec6:2019/64 scope link valid_lft forever preferred_lft forever 6: vetha2279e81@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:c8:28:56:7f:94 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::50c8:28ff:fe56:7f94/64 scope link valid_lft forever preferred_lft forever 7: vethab788ceb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 32:f3:aa:e5:03:12 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::30f3:aaff:fee5:312/64 scope link valid_lft forever preferred_lft forever 9: veth8f09bb5e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether aa:62:fd:51:3c:8c brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::a862:fdff:fe51:3c8c/64 scope link valid_lft forever preferred_lft forever 11: vethebc7452e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether de:e6:e9:11:17:69 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::dce6:e9ff:fe11:1769/64 scope link valid_lft forever preferred_lft forever 12: vethee10a7f3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1e:a3:55:f4:1e:e7 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::1ca3:55ff:fef4:1ee7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6414) 10/01/26 _x86_64_ (8 CPU) 11:38:56 LINUX RESTART (8 CPU) 11:39:01 tps rtps wtps bread/s bwrtn/s 11:40:01 422.08 127.32 294.75 6809.33 142983.41 11:41:01 525.01 9.22 515.80 1560.67 158454.26 11:42:01 93.68 0.00 93.68 0.00 29217.53 11:43:01 198.58 3.72 194.87 504.98 90994.83 11:44:01 99.70 20.46 79.24 774.41 8676.31 Average: 267.81 32.15 235.67 1930.00 86064.58 11:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:01 29477636 31352800 3461584 10.51 50128 2131448 2003852 6.08 1537664 1605756 7076 11:41:01 25504128 30814508 7435092 22.57 136392 5256148 3607976 10.95 2823244 3987824 876640 11:42:01 24203324 30437900 8735896 26.52 137952 6143628 3644300 11.06 3736888 4341084 1002616 11:43:01 25375468 30965892 7563752 22.96 142908 5605140 3281116 9.96 2428460 4581932 644 11:44:01 24902224 30855976 8036996 24.40 153612 5922964 3384920 10.28 2574324 4872048 161804 Average: 25892556 30885415 7046664 21.39 124198 5011866 3184433 9.67 2620116 3877729 409756 11:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:01 ens3 431.94 313.05 2474.73 75.98 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 100.27 100.27 38.21 38.21 0.00 0.00 0.00 0.00 11:41:01 vetha2279e81 3.12 4.25 0.32 0.76 0.00 0.00 0.00 0.00 11:41:01 cni0 39.86 39.13 21.25 92.48 0.00 0.00 0.87 0.00 11:41:01 vethab788ceb 0.58 1.57 0.10 0.22 0.00 0.00 0.00 0.00 11:41:01 ens3 709.60 394.58 10168.52 36.75 0.00 0.00 0.00 0.00 11:42:01 vetha2279e81 3.08 3.37 0.28 0.29 0.00 0.00 0.00 0.00 11:42:01 cni0 11.93 13.25 2.36 1.47 0.00 0.00 0.08 0.00 11:42:01 vethab788ceb 0.15 0.20 0.01 0.02 0.00 0.00 0.00 0.00 11:42:01 ens3 8.83 5.57 19.12 0.74 0.00 0.00 0.00 0.00 11:43:01 vetha2279e81 3.17 3.58 0.29 0.41 0.00 0.00 0.00 0.00 11:43:01 cni0 12.40 13.75 2.42 1.92 0.00 0.00 0.18 0.00 11:43:01 vethab788ceb 0.15 0.30 0.01 0.03 0.00 0.00 0.00 0.00 11:43:01 ens3 367.16 176.67 6085.03 15.94 0.00 0.00 0.00 0.00 11:44:01 vetha2279e81 3.03 3.22 0.28 0.28 0.00 0.00 0.00 0.00 11:44:01 cni0 12.15 13.16 2.41 1.55 0.00 0.00 0.02 0.00 11:44:01 vethab788ceb 0.13 0.13 0.01 0.02 0.00 0.00 0.00 0.00 11:44:01 ens3 108.78 67.68 1351.93 11.73 0.00 0.00 0.00 0.00 Average: vetha2279e81 2.48 2.88 0.23 0.35 0.00 0.00 0.00 0.00 Average: cni0 15.27 15.86 5.69 19.48 0.00 0.00 0.23 0.00 Average: vethab788ceb 0.20 0.44 0.02 0.06 0.00 0.00 0.00 0.00 Average: ens3 325.26 191.51 4019.72 28.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6414) 10/01/26 _x86_64_ (8 CPU) 11:38:56 LINUX RESTART (8 CPU) 11:39:01 CPU %user %nice %system %iowait %steal %idle 11:40:01 all 10.02 0.64 2.80 2.64 0.00 83.90 11:40:01 0 10.49 3.50 2.68 0.40 0.00 82.93 11:40:01 1 8.03 1.59 2.84 1.10 0.00 86.44 11:40:01 2 7.80 0.00 2.44 4.80 0.00 84.95 11:40:01 3 8.81 0.00 2.82 2.75 0.00 85.62 11:40:01 4 11.52 0.00 3.64 2.93 0.00 81.91 11:40:01 5 12.28 0.00 3.11 0.90 0.00 83.70 11:40:01 6 10.28 0.00 2.42 0.48 0.00 86.81 11:40:01 7 10.96 0.00 2.46 7.73 0.00 78.85 11:41:01 all 44.99 0.00 8.67 2.94 0.03 43.37 11:41:01 0 42.69 0.00 8.49 1.38 0.03 47.40 11:41:01 1 44.41 0.00 9.50 7.31 0.03 38.74 11:41:01 2 45.80 0.00 8.54 1.27 0.02 44.38 11:41:01 3 45.39 0.00 8.52 1.64 0.02 44.43 11:41:01 4 45.72 0.00 8.03 1.44 0.03 44.78 11:41:01 5 45.04 0.00 8.37 4.19 0.03 42.37 11:41:01 6 44.92 0.00 9.21 2.90 0.02 42.95 11:41:01 7 45.93 0.00 8.67 3.47 0.03 41.89 11:42:01 all 46.79 0.00 6.53 0.38 0.03 46.27 11:42:01 0 44.11 0.00 6.45 1.33 0.03 48.09 11:42:01 1 45.60 0.00 6.61 0.30 0.02 47.48 11:42:01 2 54.51 0.00 6.62 0.05 0.05 38.77 11:42:01 3 47.27 0.00 6.49 0.37 0.03 45.83 11:42:01 4 45.10 0.00 6.56 0.00 0.02 48.32 11:42:01 5 44.74 0.00 6.48 0.02 0.02 48.75 11:42:01 6 45.15 0.00 6.13 0.00 0.03 48.68 11:42:01 7 47.79 0.00 6.93 0.99 0.03 44.25 11:43:01 all 8.27 0.24 4.18 1.29 0.02 86.02 11:43:01 0 7.93 0.00 4.12 1.30 0.02 86.64 11:43:01 1 10.42 0.00 3.70 4.13 0.02 81.73 11:43:01 2 8.63 0.00 4.39 0.22 0.02 86.74 11:43:01 3 9.04 1.86 5.16 1.27 0.00 82.67 11:43:01 4 7.18 0.00 3.73 0.54 0.02 88.53 11:43:01 5 5.99 0.00 3.74 1.82 0.02 88.44 11:43:01 6 7.32 0.00 4.25 0.57 0.03 87.83 11:43:01 7 9.65 0.00 4.27 0.40 0.02 85.67 11:44:01 all 11.23 0.00 1.33 0.72 0.01 86.71 11:44:01 0 24.98 0.00 1.71 0.54 0.03 72.74 11:44:01 1 11.94 0.00 1.21 0.84 0.02 85.99 11:44:01 2 10.87 0.00 1.37 0.18 0.00 87.58 11:44:01 3 8.43 0.00 1.44 0.58 0.02 89.54 11:44:01 4 4.55 0.00 0.77 1.04 0.02 93.62 11:44:01 5 4.71 0.00 1.15 1.45 0.00 92.68 11:44:01 6 9.64 0.00 1.37 0.89 0.00 88.10 11:44:01 7 14.70 0.00 1.65 0.25 0.02 83.38 Average: all 24.22 0.18 4.69 1.59 0.02 69.31 Average: 0 26.02 0.70 4.68 0.99 0.02 67.59 Average: 1 24.00 0.32 4.76 2.73 0.02 68.17 Average: 2 25.50 0.00 4.67 1.31 0.02 68.51 Average: 3 23.76 0.37 4.88 1.32 0.01 69.66 Average: 4 22.77 0.00 4.54 1.19 0.02 71.48 Average: 5 22.50 0.00 4.56 1.67 0.01 71.25 Average: 6 23.41 0.00 4.67 0.96 0.02 70.94 Average: 7 25.77 0.00 4.79 2.57 0.02 66.85