---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1855 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 1620 24066 2 6480 30089 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:5d:55:a7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.32/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86031sec preferred_lft 86031sec inet6 fe80::f816:3eff:fe5d:55a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cc:30:12:7b 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:ccff:fe30:127b/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4a:f1:ff:5b:d4:a6 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::48f1:ffff:fe5b:d4a6/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ce:4d:97:58:f9:5f 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::cc4d:97ff:fe58:f95f/64 scope link valid_lft forever preferred_lft forever 6: veth3b3b4925@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 86:35:d6:90:e1:b9 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8435:d6ff:fe90:e1b9/64 scope link valid_lft forever preferred_lft forever 7: vetha11d3d7d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 16:91:4a:bd:88:20 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::1491:4aff:febd:8820/64 scope link valid_lft forever preferred_lft forever 8: veth00171073@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether d2:2f:d8:8f:d1:45 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::d02f:d8ff:fe8f:d145/64 scope link valid_lft forever preferred_lft forever 13: vetha60bbfe5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether da:b2:f4:c4:0f:78 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::d8b2:f4ff:fec4:f78/64 scope link valid_lft forever preferred_lft forever 14: veth4834c505@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e6:65:4e:b2:1e:63 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::e465:4eff:feb2:1e63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1855) 03/04/26 _x86_64_ (8 CPU) 17:46:20 LINUX RESTART (8 CPU) 17:47:01 tps rtps wtps bread/s bwrtn/s 17:48:01 371.83 83.28 288.56 3771.71 97151.56 17:49:01 316.33 1.05 315.28 10.53 53972.07 17:50:01 106.55 3.15 103.40 426.46 52790.13 17:51:01 147.01 2.22 144.79 84.65 83766.17 17:52:01 111.73 20.31 91.42 753.74 21137.01 Average: 210.70 22.00 188.70 1009.60 61765.75 17:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:48:01 27682440 31212444 5256780 15.96 78368 3697068 2629220 7.98 1784844 3033180 780 17:49:01 25362952 30539364 7576268 23.00 135912 5127528 3369400 10.23 2811572 4148556 534996 17:50:01 26706840 30972292 6232380 18.92 137580 4338468 2539852 7.71 2324544 3424052 131220 17:51:01 25081740 30846564 7857480 23.85 185748 5735080 3507716 10.65 2672664 4624556 2800 17:52:01 24650292 30781724 8288928 25.16 203228 6045772 3610180 10.96 2786548 4904312 213860 Average: 25896853 30870478 7042367 21.38 148167 4988783 3131274 9.51 2476034 4026931 176731 17:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:48:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 ens3 467.00 278.18 9496.65 45.17 0.00 0.00 0.00 0.00 17:48:01 vethf91a996 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 veth3aa9f592 1.53 2.08 0.25 4.96 0.00 0.00 0.00 0.00 17:49:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 ens3 320.35 209.35 2432.36 21.63 0.00 0.00 0.00 0.00 17:49:01 vethf91a996 179.34 273.97 16.28 1612.03 0.00 0.00 0.00 0.13 17:49:01 cni0 54.52 50.99 46.26 126.17 0.00 0.00 0.95 0.00 17:50:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 ens3 20.41 13.75 201.76 2.35 0.00 0.00 0.00 0.00 17:50:01 cni0 11.61 13.41 3.00 2.19 0.00 0.00 0.07 0.00 17:50:01 veth00171073 16.78 20.71 6.56 5.72 0.00 0.00 0.00 0.00 17:51:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 ens3 308.43 192.72 7519.91 16.02 0.00 0.00 0.00 0.00 17:51:01 cni0 11.70 13.15 3.01 2.17 0.00 0.00 0.05 0.00 17:51:01 veth00171073 7.22 8.33 2.78 1.71 0.00 0.00 0.00 0.00 17:52:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:01 ens3 70.24 54.37 1136.35 12.40 0.00 0.00 0.00 0.00 17:52:01 cni0 12.06 13.03 3.04 2.18 0.00 0.00 0.07 0.00 17:52:01 veth00171073 7.47 8.33 2.80 1.71 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: ens3 237.30 149.68 4157.76 19.52 0.00 0.00 0.00 0.00 Average: cni0 17.98 18.12 11.06 26.54 0.00 0.00 0.23 0.00 Average: veth00171073 6.29 7.47 2.43 1.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1855) 03/04/26 _x86_64_ (8 CPU) 17:46:20 LINUX RESTART (8 CPU) 17:47:01 CPU %user %nice %system %iowait %steal %idle 17:48:01 all 11.66 0.97 4.26 7.83 0.09 75.18 17:48:01 0 9.94 1.68 4.96 19.18 0.08 64.16 17:48:01 1 16.56 0.00 4.56 8.35 0.12 70.42 17:48:01 2 12.53 1.16 4.33 3.86 0.12 78.02 17:48:01 3 10.29 0.00 4.13 12.05 0.08 73.45 17:48:01 4 12.15 1.57 3.81 1.18 0.08 81.21 17:48:01 5 11.36 0.00 3.66 1.94 0.08 82.96 17:48:01 6 9.66 3.30 4.42 11.96 0.12 70.53 17:48:01 7 10.82 0.02 4.20 4.25 0.07 80.64 17:49:01 all 45.04 0.00 7.19 2.80 0.17 44.79 17:49:01 0 47.08 0.00 7.87 2.53 0.15 42.37 17:49:01 1 48.54 0.00 7.66 2.24 0.13 41.42 17:49:01 2 45.66 0.00 7.29 2.50 0.15 44.41 17:49:01 3 41.02 0.00 6.82 2.39 0.15 49.62 17:49:01 4 44.51 0.00 7.12 2.42 0.37 45.59 17:49:01 5 47.31 0.00 7.21 4.10 0.13 41.24 17:49:01 6 45.98 0.00 7.17 3.27 0.13 43.45 17:49:01 7 40.16 0.00 6.38 2.98 0.15 50.34 17:50:01 all 42.16 0.24 6.61 1.11 0.10 49.77 17:50:01 0 42.87 1.42 6.67 0.75 0.10 48.18 17:50:01 1 42.75 0.00 6.74 0.07 0.12 50.32 17:50:01 2 41.62 0.00 6.79 1.68 0.10 49.82 17:50:01 3 39.72 0.00 6.25 0.07 0.08 53.88 17:50:01 4 47.06 0.52 7.36 4.56 0.10 40.40 17:50:01 5 41.15 0.00 6.33 0.99 0.12 51.41 17:50:01 6 45.45 0.00 7.04 0.77 0.10 46.64 17:50:01 7 36.63 0.00 5.74 0.02 0.12 57.49 17:51:01 all 7.16 0.00 4.33 4.15 0.11 84.25 17:51:01 0 6.18 0.00 4.87 3.57 0.08 85.30 17:51:01 1 7.82 0.00 4.17 2.63 0.10 85.28 17:51:01 2 7.68 0.00 4.72 0.62 0.10 86.87 17:51:01 3 7.90 0.00 3.00 0.07 0.08 88.95 17:51:01 4 6.91 0.00 4.97 6.69 0.08 81.34 17:51:01 5 6.37 0.00 3.43 14.01 0.12 76.07 17:51:01 6 7.25 0.00 5.20 0.22 0.15 87.18 17:51:01 7 7.18 0.00 4.32 5.42 0.10 82.98 17:52:01 all 11.16 0.00 1.40 1.51 0.10 85.83 17:52:01 0 2.96 0.00 1.09 0.25 0.08 95.62 17:52:01 1 11.01 0.00 1.24 1.05 0.10 86.59 17:52:01 2 9.80 0.00 1.64 0.55 0.12 87.89 17:52:01 3 9.66 0.00 1.46 2.48 0.10 86.29 17:52:01 4 18.00 0.00 1.34 2.06 0.08 78.52 17:52:01 5 6.28 0.00 1.02 3.21 0.10 89.39 17:52:01 6 7.52 0.00 1.07 0.67 0.07 90.68 17:52:01 7 24.02 0.00 2.36 1.82 0.12 71.68 Average: all 23.42 0.24 4.76 3.48 0.11 67.99 Average: 0 21.82 0.62 5.09 5.24 0.10 67.13 Average: 1 25.33 0.00 4.87 2.87 0.11 66.82 Average: 2 23.43 0.23 4.95 1.84 0.12 69.43 Average: 3 21.68 0.00 4.33 3.41 0.10 70.48 Average: 4 25.72 0.42 4.92 3.38 0.14 65.42 Average: 5 22.50 0.00 4.33 4.84 0.11 68.22 Average: 6 23.17 0.66 4.98 3.37 0.11 67.72 Average: 7 23.74 0.00 4.59 2.90 0.11 68.66