---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17751 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 1.6M 3.2G 1% /run /dev/vda1 155G 13G 143G 9% / 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 ---> free -m: total used free shared buff/cache available Mem: 32167 1458 25457 1 5251 30252 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:d6:16:c3 brd ff:ff:ff:ff:ff:ff inet 10.30.106.43/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fed6:16c3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:c0:e7:10 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::42:48ff:fec0:e710/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ca:5c:24:25:1e:06 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::c85c:24ff:fe25:1e06/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether da:e6:80:05:cf:57 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::d8e6:80ff:fe05:cf57/64 scope link valid_lft forever preferred_lft forever 8: veth3f8c16f1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0e:f4:65:45:39:de brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::cf4:65ff:fe45:39de/64 scope link valid_lft forever preferred_lft forever 9: veth26233436@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 12:eb:2b:f2:c3:85 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::10eb:2bff:fef2:c385/64 scope link valid_lft forever preferred_lft forever 10: veth6361f67a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9a:e8:57:12:57:f6 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::98e8:57ff:fe12:57f6/64 scope link valid_lft forever preferred_lft forever 13: veth04a96c7d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 72:6a:5a:a3:fa:e0 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::706a:5aff:fea3:fae0/64 scope link valid_lft forever preferred_lft forever 14: vethe37b5af0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 2e:45:ba:32:b5:b7 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::2c45:baff:fe32:b5b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17751) 12/04/25 _x86_64_ (8 CPU) 15:43:21 LINUX RESTART (8 CPU) 15:44:03 tps rtps wtps bread/s bwrtn/s 15:45:01 419.18 91.40 327.78 3771.15 103151.20 15:46:01 452.36 3.87 448.49 370.47 128255.42 15:47:01 75.72 3.20 72.53 431.32 48587.80 15:48:01 151.54 20.85 130.69 826.13 45026.90 Average: 273.49 29.31 244.18 1329.59 81071.85 15:44:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:45:01 28874984 31248836 4064236 12.34 61356 2602112 2452780 7.45 1709860 1993676 421696 15:46:01 24820916 30014532 8118304 24.65 133020 5103504 4111640 12.48 3606428 3900772 757456 15:47:01 26867952 30983544 6071268 18.43 134380 4194976 2669748 8.11 2209768 3383980 144960 15:48:01 26237200 31014420 6702020 20.35 145136 4805972 2574960 7.82 2352196 3830752 140884 Average: 26700263 30815333 6238957 18.94 118473 4176641 2952282 8.96 2469563 3277295 366249 15:44:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:45:01 cni0 0.48 0.10 0.03 0.01 0.00 0.00 0.43 0.00 15:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 vethd09d5e89 0.10 0.62 0.01 0.05 0.00 0.00 0.00 0.00 15:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 cni0 48.33 44.79 40.55 113.67 0.00 0.00 0.50 0.00 15:46:01 docker0 158.46 220.71 12.07 1255.59 0.00 0.00 0.00 0.00 15:46:01 veth73b3785 158.46 220.86 14.24 1255.60 0.00 0.00 0.00 0.10 15:46:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 cni0 12.00 13.18 3.03 2.16 0.00 0.00 0.08 0.00 15:47:01 docker0 0.75 0.72 0.05 0.66 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 veth26233436 15.43 18.64 5.99 5.03 0.00 0.00 0.00 0.00 15:48:01 cni0 12.00 13.30 3.03 2.17 0.00 0.00 0.07 0.00 15:48:01 docker0 0.00 0.07 0.00 0.01 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 veth26233436 7.47 8.45 2.80 1.71 0.00 0.00 0.00 0.00 Average: cni0 18.35 17.99 11.76 29.75 0.00 0.00 0.27 0.00 Average: docker0 40.13 55.83 3.06 316.66 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: veth26233436 5.77 6.83 2.21 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17751) 12/04/25 _x86_64_ (8 CPU) 15:43:21 LINUX RESTART (8 CPU) 15:44:03 CPU %user %nice %system %iowait %steal %idle 15:45:01 all 10.48 0.90 3.04 3.02 0.22 82.35 15:45:01 0 9.10 0.05 2.44 13.52 0.09 74.81 15:45:01 1 9.31 0.00 2.64 1.16 0.03 86.86 15:45:01 2 12.25 1.59 3.86 0.35 0.05 81.90 15:45:01 3 14.56 2.19 3.24 0.35 0.63 79.02 15:45:01 4 10.69 0.00 2.70 0.89 0.03 85.69 15:45:01 5 7.87 0.00 3.90 4.09 0.07 84.07 15:45:01 6 10.99 0.00 2.69 0.53 0.07 85.72 15:45:01 7 9.09 3.31 2.81 3.29 0.79 80.72 15:46:01 all 40.96 0.00 7.39 5.08 0.12 46.45 15:46:01 0 40.39 0.00 7.22 11.05 0.12 41.22 15:46:01 1 42.51 0.00 7.11 3.39 0.12 46.87 15:46:01 2 40.56 0.00 7.87 3.94 0.12 47.50 15:46:01 3 39.98 0.00 7.82 4.46 0.12 47.63 15:46:01 4 40.97 0.00 7.09 4.69 0.15 47.10 15:46:01 5 40.94 0.00 6.66 6.10 0.10 46.19 15:46:01 6 40.44 0.00 7.48 3.81 0.12 48.16 15:46:01 7 41.89 0.00 7.84 3.24 0.08 46.95 15:47:01 all 38.07 0.00 5.60 0.93 0.10 55.30 15:47:01 0 38.11 0.00 5.52 2.37 0.08 53.92 15:47:01 1 35.38 0.00 5.12 1.31 0.08 58.11 15:47:01 2 40.12 0.00 5.30 1.49 0.10 52.98 15:47:01 3 41.19 0.00 6.21 0.74 0.10 51.76 15:47:01 4 35.38 0.00 6.39 0.37 0.10 57.75 15:47:01 5 36.80 0.00 4.82 0.34 0.08 57.97 15:47:01 6 38.96 0.00 5.60 0.13 0.13 55.17 15:47:01 7 38.62 0.00 5.80 0.72 0.13 54.73 15:48:01 all 10.22 0.25 2.07 1.12 0.08 86.26 15:48:01 0 4.13 0.00 1.36 0.13 0.07 94.30 15:48:01 1 7.38 0.00 1.83 1.70 0.07 89.03 15:48:01 2 11.56 0.00 2.12 1.03 0.12 85.18 15:48:01 3 7.07 1.96 2.41 1.39 0.08 87.09 15:48:01 4 11.97 0.00 2.48 2.65 0.08 82.82 15:48:01 5 30.83 0.00 3.07 0.65 0.07 65.38 15:48:01 6 4.86 0.00 1.61 0.02 0.07 93.45 15:48:01 7 4.01 0.00 1.69 1.37 0.07 92.86 Average: all 25.03 0.28 4.53 2.53 0.13 67.50 Average: 0 23.06 0.01 4.15 6.69 0.09 66.01 Average: 1 23.74 0.00 4.18 1.89 0.08 70.11 Average: 2 26.20 0.39 4.79 1.71 0.10 66.81 Average: 3 25.79 1.03 4.93 1.74 0.23 66.28 Average: 4 24.85 0.00 4.68 2.16 0.09 68.22 Average: 5 29.24 0.00 4.61 2.77 0.08 63.29 Average: 6 23.92 0.00 4.36 1.12 0.10 70.50 Average: 7 23.46 0.81 4.54 2.15 0.27 68.77