---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18490 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 1.7M 3.2G 1% /run /dev/vda1 155G 14G 142G 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 1761 24291 1 6114 29975 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:05:99:87 brd ff:ff:ff:ff:ff:ff inet 10.30.107.142/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86229sec preferred_lft 86229sec inet6 fe80::f816:3eff:fe05:9987/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state UP group default link/ether 02:42:fa:a0:11:ea 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:faff:fea0:11ea/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether c2:ef:9c:c4:2f:f6 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::c0ef:9cff:fec4:2ff6/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 5e:c8:0a:be:a9:2b 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::5cc8:aff:febe:a92b/64 scope link valid_lft forever preferred_lft forever 8: veth7fc720d1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether c6:70:e5:98:19:7b brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::c470:e5ff:fe98:197b/64 scope link valid_lft forever preferred_lft forever 9: veth62c69202@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 26:79:a6:1f:05:fd brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::2479:a6ff:fe1f:5fd/64 scope link valid_lft forever preferred_lft forever 10: vethb47b7067@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 42:0c:f1:00:c3:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::400c:f1ff:fe00:c3b0/64 scope link valid_lft forever preferred_lft forever 12: veth79f343d@if11: mtu 1458 qdisc noqueue master docker0 state UP group default link/ether 3a:9c:af:aa:0f:d3 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::389c:afff:feaa:fd3/64 scope link valid_lft forever preferred_lft forever 13: veth94e8c8bd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:83:b7:82:b2:19 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::7883:b7ff:fe82:b219/64 scope link valid_lft forever preferred_lft forever 14: veth7dbeb4ff@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:43:d2:33:b7:44 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::f443:d2ff:fe33:b744/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18490) 12/07/25 _x86_64_ (8 CPU) 14:44:22 LINUX RESTART (8 CPU) 14:45:01 tps rtps wtps bread/s bwrtn/s 14:46:01 631.14 103.48 527.66 4419.26 175594.60 14:47:01 362.52 1.22 361.31 92.25 81794.90 Average: 496.83 52.35 444.48 2255.76 128694.75 14:45:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:46:01 26436976 30869820 6502244 19.74 140504 4371452 3091848 9.39 2357556 3564828 627548 14:47:01 25087972 30609396 7851248 23.84 167988 5379232 3845436 11.67 3046160 4148448 541460 Average: 25762474 30739608 7176746 21.79 154246 4875342 3468642 10.53 2701858 3856638 584504 14:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:46:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:46:01 veth79f343d 138.36 190.87 12.88 1287.68 0.00 0.00 0.00 0.11 14:46:01 lo 242.58 242.58 286.24 286.24 0.00 0.00 0.00 0.00 14:46:01 veth94e8c8bd 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 14:47:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:47:01 veth79f343d 0.47 0.68 0.04 0.66 0.00 0.00 0.00 0.00 14:47:01 lo 16.96 16.96 5.18 5.18 0.00 0.00 0.00 0.00 14:47:01 veth94e8c8bd 0.03 0.15 0.00 0.01 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: veth79f343d 69.41 95.78 6.46 644.17 0.00 0.00 0.00 0.05 Average: lo 129.77 129.77 145.71 145.71 0.00 0.00 0.00 0.00 Average: veth94e8c8bd 0.08 0.28 0.01 0.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18490) 12/07/25 _x86_64_ (8 CPU) 14:44:22 LINUX RESTART (8 CPU) 14:45:01 CPU %user %nice %system %iowait %steal %idle 14:46:01 all 19.82 0.60 6.25 4.31 0.08 68.94 14:46:01 0 23.34 0.00 6.34 6.39 0.08 63.84 14:46:01 1 18.20 3.24 6.36 5.92 0.08 66.19 14:46:01 2 18.92 0.02 6.54 4.15 0.07 70.31 14:46:01 3 18.47 0.00 6.02 5.11 0.07 70.34 14:46:01 4 17.45 1.55 6.18 2.24 0.08 72.49 14:46:01 5 18.17 0.00 5.71 3.02 0.07 73.03 14:46:01 6 22.57 0.00 6.74 1.56 0.07 69.06 14:46:01 7 21.44 0.00 6.14 6.07 0.07 66.29 14:47:01 all 56.51 0.00 6.71 1.12 0.09 35.56 14:47:01 0 59.70 0.00 7.36 1.56 0.10 31.27 14:47:01 1 56.27 0.00 6.45 2.41 0.10 34.77 14:47:01 2 60.01 0.00 6.25 1.79 0.08 31.86 14:47:01 3 61.64 0.00 6.32 1.74 0.10 30.20 14:47:01 4 51.51 0.00 6.22 0.12 0.08 42.06 14:47:01 5 56.16 0.00 7.63 0.66 0.08 35.47 14:47:01 6 56.93 0.00 6.81 0.50 0.10 35.65 14:47:01 7 49.84 0.00 6.64 0.22 0.10 43.20 Average: all 38.17 0.30 6.48 2.72 0.09 52.24 Average: 0 41.53 0.00 6.85 3.98 0.09 47.54 Average: 1 37.26 1.62 6.40 4.16 0.09 50.46 Average: 2 39.49 0.01 6.39 2.97 0.08 51.06 Average: 3 40.06 0.00 6.17 3.42 0.08 50.27 Average: 4 34.51 0.77 6.20 1.18 0.08 57.25 Average: 5 37.15 0.00 6.67 1.84 0.08 54.27 Average: 6 39.75 0.00 6.78 1.03 0.08 52.35 Average: 7 35.61 0.00 6.39 3.15 0.08 54.77