---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18452 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 2.1M 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 4.0K 3.2G 1% /run/user/1001 /dev/loop0 49M 49M 0 100% /snap/snapd/25935 /dev/loop1 67M 67M 0 100% /snap/core24/1349 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1641 23935 2 6590 30068 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:6b:c6:b5 brd ff:ff:ff:ff:ff:ff inet 10.30.107.6/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86060sec preferred_lft 86060sec inet6 fe80::f816:3eff:fe6b:c6b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ff:ac:7f:04 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:ffff:feac:7f04/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether f2:4d:ed:5e:ce:e2 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::f04d:edff:fe5e:cee2/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 0e:d6:8f:6a:ed:ff 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::cd6:8fff:fe6a:edff/64 scope link valid_lft forever preferred_lft forever 8: veth97dad6f2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 72:17:e7:62:c1:a1 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7017:e7ff:fe62:c1a1/64 scope link valid_lft forever preferred_lft forever 9: veth3ae1a9fd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether c6:0b:e0:cb:83:ad brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::c40b:e0ff:fecb:83ad/64 scope link valid_lft forever preferred_lft forever 10: veth2ebbc6e1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6e:23:fc:a9:5d:09 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::6c23:fcff:fea9:5d09/64 scope link valid_lft forever preferred_lft forever 13: veth4a80aab0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 1e:37:87:a6:c1:22 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::1c37:87ff:fea6:c122/64 scope link valid_lft forever preferred_lft forever 14: vethaf43d535@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 32:77:32:d6:93:f7 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::3077:32ff:fed6:93f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18452) 02/19/26 _x86_64_ (8 CPU) 15:45:03 LINUX RESTART (8 CPU) 15:46:01 tps rtps wtps bread/s bwrtn/s 15:47:01 472.89 41.45 431.44 2183.01 106064.51 15:48:01 183.12 0.03 183.09 3.33 60529.51 15:49:01 184.70 5.18 179.52 529.25 99695.25 15:50:01 115.75 20.53 95.22 757.87 25453.22 Average: 239.13 16.80 222.32 868.42 72937.00 15:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:47:01 25643860 30666956 7295360 22.15 136340 4984208 3833620 11.64 2830676 3855340 1164356 15:48:01 25353356 31044296 7585864 23.03 139272 5650060 2586812 7.85 2602392 4383836 450948 15:49:01 25234608 30876224 7704612 23.39 156244 5642128 3683432 11.18 2585900 4562544 1940 15:50:01 24608400 30755388 8330820 25.29 191956 6076908 3624292 11.00 2789920 4942436 156820 Average: 25210056 30835716 7729164 23.46 155953 5588326 3432039 10.42 2702222 4436039 443516 15:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:47:01 lo 246.73 246.73 307.22 307.22 0.00 0.00 0.00 0.00 15:47:01 veth3ae1a9fd 2.70 3.60 0.34 0.73 0.00 0.00 0.00 0.00 15:47:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 veth2ebbc6e1 0.57 1.38 0.10 0.21 0.00 0.00 0.00 0.00 15:48:01 lo 13.51 13.51 4.21 4.21 0.00 0.00 0.00 0.00 15:48:01 veth3ae1a9fd 2.93 3.23 0.27 0.28 0.00 0.00 0.00 0.00 15:48:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 veth2ebbc6e1 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 15:49:01 lo 21.55 21.55 6.25 6.25 0.00 0.00 0.00 0.00 15:49:01 veth3ae1a9fd 3.07 3.32 0.28 0.29 0.00 0.00 0.00 0.00 15:49:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 veth2ebbc6e1 0.15 0.22 0.01 0.02 0.00 0.00 0.00 0.00 15:50:01 lo 43.56 43.56 17.49 17.49 0.00 0.00 0.00 0.00 15:50:01 veth3ae1a9fd 3.17 3.48 0.29 0.40 0.00 0.00 0.00 0.00 15:50:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 veth2ebbc6e1 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 Average: lo 81.35 81.35 83.80 83.80 0.00 0.00 0.00 0.00 Average: veth3ae1a9fd 2.97 3.41 0.30 0.43 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: veth2ebbc6e1 0.24 0.50 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-18452) 02/19/26 _x86_64_ (8 CPU) 15:45:03 LINUX RESTART (8 CPU) 15:46:01 CPU %user %nice %system %iowait %steal %idle 15:47:01 all 32.32 0.00 7.05 3.27 0.10 57.26 15:47:01 0 31.60 0.00 6.24 1.87 0.10 60.19 15:47:01 1 31.48 0.00 7.34 3.97 0.12 57.09 15:47:01 2 33.28 0.00 7.24 3.64 0.08 55.76 15:47:01 3 32.99 0.00 7.27 3.09 0.08 56.56 15:47:01 4 32.23 0.00 7.53 1.82 0.08 58.33 15:47:01 5 32.48 0.00 7.66 7.68 0.12 52.06 15:47:01 6 32.88 0.00 6.23 1.45 0.10 59.34 15:47:01 7 31.63 0.00 6.93 2.63 0.10 58.72 15:48:01 all 48.14 0.00 6.56 0.63 0.10 44.57 15:48:01 0 43.79 0.00 6.15 0.07 0.08 49.91 15:48:01 1 55.57 0.00 7.29 0.93 0.10 36.11 15:48:01 2 53.78 0.00 6.51 0.61 0.10 39.01 15:48:01 3 45.01 0.00 6.57 1.31 0.12 46.99 15:48:01 4 45.92 0.00 6.43 0.51 0.10 47.04 15:48:01 5 47.31 0.00 6.31 0.56 0.10 45.71 15:48:01 6 46.70 0.00 6.81 0.82 0.10 45.56 15:48:01 7 47.05 0.00 6.37 0.20 0.10 46.28 15:49:01 all 6.72 0.21 3.53 4.53 0.09 84.92 15:49:01 0 6.47 0.00 2.92 0.84 0.08 89.68 15:49:01 1 6.89 0.00 2.95 12.46 0.08 77.63 15:49:01 2 6.39 0.00 3.58 2.13 0.10 87.80 15:49:01 3 6.42 1.65 5.78 0.52 0.10 85.53 15:49:01 4 6.97 0.00 3.97 3.33 0.08 85.65 15:49:01 5 7.97 0.00 3.21 12.17 0.08 76.58 15:49:01 6 7.36 0.00 3.32 2.52 0.05 86.75 15:49:01 7 5.32 0.00 2.55 2.30 0.10 89.73 15:50:01 all 8.87 0.00 1.71 1.85 0.08 87.49 15:50:01 0 4.35 0.00 1.17 0.68 0.08 93.72 15:50:01 1 9.25 0.00 1.52 1.39 0.10 87.73 15:50:01 2 13.01 0.00 1.82 0.60 0.07 84.50 15:50:01 3 17.50 0.00 2.19 1.81 0.07 78.43 15:50:01 4 6.49 0.00 1.49 3.73 0.10 88.20 15:50:01 5 8.76 0.00 1.90 5.71 0.05 83.58 15:50:01 6 5.74 0.00 1.29 0.57 0.07 92.34 15:50:01 7 5.92 0.00 2.26 0.32 0.08 91.41 Average: all 23.98 0.05 4.71 2.57 0.09 68.60 Average: 0 21.49 0.00 4.11 0.86 0.09 73.45 Average: 1 25.76 0.00 4.77 4.68 0.10 64.68 Average: 2 26.58 0.00 4.78 1.74 0.09 66.81 Average: 3 25.47 0.41 5.45 1.68 0.09 66.90 Average: 4 22.86 0.00 4.85 2.35 0.09 69.85 Average: 5 24.09 0.00 4.76 6.53 0.09 64.53 Average: 6 23.14 0.00 4.41 1.34 0.08 71.03 Average: 7 22.46 0.00 4.53 1.36 0.10 71.56