---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18654 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 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1225 /dev/loop2 22M 22M 0 100% /snap/helm/485 ---> free -m: total used free shared buff/cache available Mem: 32167 1726 23858 2 6582 29983 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:28:4e:9b brd ff:ff:ff:ff:ff:ff inet 10.30.106.107/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86042sec preferred_lft 86042sec inet6 fe80::f816:3eff:fe28:4e9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5c:f8:bb:aa 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::42:5cff:fef8:bbaa/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 9a:66:91:ca:08:58 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::9866:91ff:feca:858/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 3e:ad:1c:05:9d:d0 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::3cad:1cff:fe05:9dd0/64 scope link valid_lft forever preferred_lft forever 6: veth00750024@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0e:4a:e1:54:ee:1e brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c4a:e1ff:fe54:ee1e/64 scope link valid_lft forever preferred_lft forever 7: veth7aaa88b3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether de:2c:49:f4:b9:89 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::dc2c:49ff:fef4:b989/64 scope link valid_lft forever preferred_lft forever 8: veth2edc4d7e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 82:1e:a1:d6:6e:72 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::801e:a1ff:fed6:6e72/64 scope link valid_lft forever preferred_lft forever 13: vethc952367b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8e:af:ce:86:6b:66 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::8caf:ceff:fe86:6b66/64 scope link valid_lft forever preferred_lft forever 14: veth27e0d130@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 02:17:ac:31:2c:00 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::17:acff:fe31:2c00/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18654) 12/08/25 _x86_64_ (8 CPU) 09:31:02 LINUX RESTART (8 CPU) 09:32:01 tps rtps wtps bread/s bwrtn/s 09:33:01 528.03 48.21 479.82 2919.51 151667.12 09:34:01 97.50 0.02 97.48 0.13 53786.24 09:35:01 191.38 3.37 188.02 456.72 93954.34 09:36:01 104.56 21.95 82.61 764.98 13637.55 Average: 230.33 18.39 211.94 1035.26 78242.47 09:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:33:01 26654864 31010136 6284356 19.08 126676 4360172 2964116 9.00 2127512 3587488 38452 09:34:01 24977136 30482840 7962084 24.17 134652 5448984 4015116 12.19 3284496 4046840 670516 09:35:01 25509860 30949456 7429360 22.55 139964 5460088 3333620 10.12 2382028 4502004 572 09:36:01 24633964 30730128 8305256 25.21 189932 6032976 3686308 11.19 2828020 4882616 131304 Average: 25443956 30793140 7495264 22.75 147806 5325555 3499790 10.62 2655514 4254737 210211 09:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:33:01 lo 242.63 242.63 284.27 284.27 0.00 0.00 0.00 0.00 09:33:01 veth00750024 5.42 7.07 2.13 2.47 0.00 0.00 0.00 0.00 09:33:01 vethc952367b 0.12 0.32 0.01 0.03 0.00 0.00 0.00 0.00 09:33:01 docker0 132.01 165.26 10.56 1292.67 0.00 0.00 0.00 0.00 09:34:01 lo 20.21 20.21 11.11 11.11 0.00 0.00 0.00 0.00 09:34:01 veth00750024 6.65 8.13 2.56 1.88 0.00 0.00 0.00 0.00 09:34:01 vethc952367b 0.05 0.17 0.00 0.01 0.00 0.00 0.00 0.00 09:34:01 docker0 7.87 16.81 0.63 24.40 0.00 0.00 0.00 0.00 09:35:01 lo 17.35 17.35 4.63 4.63 0.00 0.00 0.00 0.00 09:35:01 veth00750024 7.18 8.67 2.78 1.72 0.00 0.00 0.00 0.00 09:35:01 vethc952367b 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:35:01 docker0 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:36:01 lo 45.16 45.16 18.19 18.19 0.00 0.00 0.00 0.00 09:36:01 veth00750024 7.54 8.57 2.80 1.91 0.00 0.00 0.00 0.00 09:36:01 vethc952367b 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 09:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 81.33 81.33 79.53 79.53 0.00 0.00 0.00 0.00 Average: veth00750024 6.70 8.11 2.57 1.99 0.00 0.00 0.00 0.00 Average: vethc952367b 0.05 0.17 0.00 0.01 0.00 0.00 0.00 0.00 Average: docker0 34.97 45.52 2.80 329.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18654) 12/08/25 _x86_64_ (8 CPU) 09:31:02 LINUX RESTART (8 CPU) 09:32:01 CPU %user %nice %system %iowait %steal %idle 09:33:01 all 14.14 0.00 5.43 13.06 0.10 67.27 09:33:01 0 12.21 0.00 5.25 9.84 0.08 72.62 09:33:01 1 12.28 0.00 5.06 2.06 0.12 80.48 09:33:01 2 13.59 0.00 5.68 18.94 0.12 61.67 09:33:01 3 16.84 0.00 5.88 11.08 0.10 66.10 09:33:01 4 13.03 0.00 4.75 26.59 0.07 55.56 09:33:01 5 12.51 0.00 5.70 14.45 0.07 67.28 09:33:01 6 17.71 0.00 6.61 14.60 0.14 60.94 09:33:01 7 15.03 0.00 4.42 7.00 0.08 73.46 09:34:01 all 49.81 0.00 6.42 1.67 0.12 41.98 09:34:01 0 46.00 0.00 6.06 5.09 0.12 42.73 09:34:01 1 47.75 0.00 6.00 1.17 0.12 44.96 09:34:01 2 52.33 0.00 6.44 4.38 0.12 36.73 09:34:01 3 53.37 0.00 7.34 1.77 0.15 37.37 09:34:01 4 48.11 0.00 6.51 0.14 0.10 45.14 09:34:01 5 49.83 0.00 6.54 0.05 0.12 43.46 09:34:01 6 54.91 0.00 6.64 0.20 0.12 38.13 09:34:01 7 46.07 0.00 5.86 0.59 0.10 47.38 09:35:01 all 20.63 0.20 4.79 2.17 0.08 72.11 09:35:01 0 19.73 0.00 4.34 0.05 0.08 75.79 09:35:01 1 17.17 0.05 4.18 2.61 0.08 75.91 09:35:01 2 20.57 0.00 4.28 1.41 0.07 73.67 09:35:01 3 18.59 0.00 4.98 1.62 0.05 74.77 09:35:01 4 22.37 1.52 4.93 5.81 0.10 65.27 09:35:01 5 20.73 0.00 5.85 1.16 0.10 72.16 09:35:01 6 23.28 0.00 5.48 4.45 0.10 66.69 09:35:01 7 22.65 0.00 4.31 0.27 0.10 72.67 09:36:01 all 7.87 0.00 2.34 0.80 0.08 88.91 09:36:01 0 9.62 0.00 2.44 0.37 0.08 87.49 09:36:01 1 3.12 0.00 1.51 0.05 0.07 95.26 09:36:01 2 10.11 0.00 2.95 0.89 0.10 85.95 09:36:01 3 10.31 0.00 2.21 1.15 0.05 86.28 09:36:01 4 11.59 0.00 2.16 0.43 0.07 85.75 09:36:01 5 5.98 0.00 2.06 2.18 0.10 89.68 09:36:01 6 8.08 0.00 2.67 1.27 0.07 87.91 09:36:01 7 4.12 0.00 2.67 0.10 0.07 93.04 Average: all 23.07 0.05 4.74 4.42 0.09 67.63 Average: 0 21.83 0.00 4.52 3.83 0.09 69.73 Average: 1 20.01 0.01 4.18 1.47 0.10 74.23 Average: 2 24.10 0.00 4.83 6.38 0.10 64.59 Average: 3 24.75 0.00 5.09 3.89 0.09 66.18 Average: 4 23.72 0.38 4.58 8.22 0.08 63.02 Average: 5 22.24 0.00 5.04 4.46 0.10 68.16 Average: 6 26.02 0.00 5.35 5.10 0.11 63.42 Average: 7 21.90 0.00 4.31 1.99 0.09 71.71