---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17880 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 1664 24018 2 6484 30046 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:b1:a9:bc brd ff:ff:ff:ff:ff:ff inet 10.30.107.137/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86007sec preferred_lft 86007sec inet6 fe80::f816:3eff:feb1:a9bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bd:c8:9b:1e 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:bdff:fec8:9b1e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 72:cf:b0:6e:23:48 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::70cf:b0ff:fe6e:2348/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether c6:7a:b7:e6:7a:18 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::c47a:b7ff:fee6:7a18/64 scope link valid_lft forever preferred_lft forever 6: veth5343f474@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 76:62:91:86:8e:ab brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::7462:91ff:fe86:8eab/64 scope link valid_lft forever preferred_lft forever 7: vethb29f9d52@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 06:8d:dd:18:63:f5 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::48d:ddff:fe18:63f5/64 scope link valid_lft forever preferred_lft forever 10: veth0a2bbc18@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether a6:bf:0f:f5:cf:6c brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::a4bf:fff:fef5:cf6c/64 scope link valid_lft forever preferred_lft forever 13: veth590a8e89@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 92:28:95:7b:09:e1 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9028:95ff:fe7b:9e1/64 scope link valid_lft forever preferred_lft forever 14: veth12f1a9de@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 2a:64:7e:7f:b2:90 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::2864:7eff:fe7f:b290/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17880) 12/05/25 _x86_64_ (8 CPU) 07:45:11 LINUX RESTART (8 CPU) 07:46:01 tps rtps wtps bread/s bwrtn/s 07:47:01 282.27 27.20 255.07 662.02 56483.79 07:48:01 562.37 62.49 499.88 3286.52 145754.77 07:49:01 68.43 0.00 68.43 0.00 55268.91 07:50:01 166.74 5.23 161.51 539.51 90902.32 07:51:01 107.45 20.65 86.80 763.87 12524.18 Average: 237.45 23.11 214.33 1050.35 72186.23 07:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:47:01 30165696 31683340 2773524 8.42 42836 1795948 1439020 4.37 1036816 1469864 304840 07:48:01 26256484 30703296 6682736 20.29 127760 4400880 3899432 11.84 2641924 3455572 59748 07:49:01 25037036 30520828 7902184 23.99 131276 5407076 3416456 10.37 3263152 4010508 656968 07:50:01 25391032 30834348 7548188 22.92 150676 5451912 3675524 11.16 2537420 4456000 1968 07:51:01 24666448 30710168 8272772 25.12 194680 5971328 3625996 11.01 2843452 4833164 171884 Average: 26303339 30890396 6635881 20.15 129446 4605429 3211286 9.75 2464553 3645022 239082 07:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 ens3 222.25 143.66 780.93 45.41 0.00 0.00 0.00 0.00 07:47:01 lo 0.83 0.83 0.10 0.10 0.00 0.00 0.00 0.00 07:48:01 veth0a2bbc18 0.50 1.18 0.09 0.20 0.00 0.00 0.00 0.00 07:48:01 veth5343f474 5.08 6.57 1.99 2.38 0.00 0.00 0.00 0.00 07:48:01 veth590a8e89 0.10 0.28 0.01 0.02 0.00 0.00 0.00 0.00 07:48:01 vethb29f9d52 1.90 2.85 0.26 0.65 0.00 0.00 0.00 0.00 07:49:01 veth0a2bbc18 0.12 0.28 0.01 0.02 0.00 0.00 0.00 0.00 07:49:01 veth5343f474 6.75 8.21 2.56 2.01 0.00 0.00 0.00 0.00 07:49:01 veth590a8e89 0.07 0.20 0.00 0.01 0.00 0.00 0.00 0.00 07:49:01 vethb29f9d52 2.85 3.15 0.26 0.34 0.00 0.00 0.00 0.00 07:50:01 veth0a2bbc18 0.13 0.15 0.01 0.02 0.00 0.00 0.00 0.00 07:50:01 veth5343f474 7.23 8.45 2.78 1.71 0.00 0.00 0.00 0.00 07:50:01 veth590a8e89 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 vethb29f9d52 3.07 3.30 0.28 0.29 0.00 0.00 0.00 0.00 07:51:01 veth0a2bbc18 0.12 0.25 0.01 0.02 0.00 0.00 0.00 0.00 07:51:01 veth5343f474 7.18 8.68 2.78 1.92 0.00 0.00 0.00 0.00 07:51:01 veth590a8e89 0.02 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:51:01 vethb29f9d52 3.18 3.47 0.29 0.40 0.00 0.00 0.00 0.00 Average: veth0a2bbc18 0.17 0.37 0.02 0.05 0.00 0.00 0.00 0.00 Average: veth5343f474 5.25 6.38 2.02 1.60 0.00 0.00 0.00 0.00 Average: veth590a8e89 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethb29f9d52 2.20 2.55 0.22 0.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17880) 12/05/25 _x86_64_ (8 CPU) 07:45:11 LINUX RESTART (8 CPU) 07:46:01 CPU %user %nice %system %iowait %steal %idle 07:47:01 all 3.32 0.41 0.62 1.14 0.02 94.49 07:47:01 0 2.06 0.00 1.40 3.78 0.02 92.74 07:47:01 1 2.20 0.00 0.28 0.07 0.00 97.45 07:47:01 2 2.12 3.25 0.65 0.03 0.02 93.93 07:47:01 3 9.79 0.02 0.50 0.05 0.02 89.63 07:47:01 4 2.02 0.00 0.37 0.05 0.02 97.55 07:47:01 5 3.83 0.00 0.55 0.05 0.02 95.55 07:47:01 6 1.18 0.00 0.60 0.17 0.02 98.03 07:47:01 7 3.31 0.00 0.60 4.95 0.05 91.09 07:48:01 all 29.30 0.19 6.95 4.42 0.09 59.06 07:48:01 0 30.69 0.00 7.10 1.65 0.08 60.48 07:48:01 1 28.59 0.00 6.75 4.64 0.08 59.94 07:48:01 2 28.99 1.51 6.32 1.75 0.08 61.34 07:48:01 3 28.49 0.02 7.88 10.67 0.08 52.86 07:48:01 4 28.98 0.00 5.84 2.19 0.08 62.90 07:48:01 5 29.82 0.00 6.88 7.26 0.08 55.96 07:48:01 6 30.13 0.00 7.28 4.12 0.08 58.38 07:48:01 7 28.73 0.00 7.52 3.06 0.10 60.60 07:49:01 all 49.56 0.00 6.54 0.63 0.08 43.19 07:49:01 0 49.68 0.00 6.90 0.81 0.08 42.53 07:49:01 1 52.05 0.00 6.97 0.30 0.08 40.59 07:49:01 2 48.21 0.00 5.71 0.33 0.10 45.65 07:49:01 3 49.24 0.00 6.55 0.00 0.08 44.12 07:49:01 4 47.79 0.00 6.47 0.03 0.07 45.64 07:49:01 5 47.18 0.00 6.45 2.98 0.08 43.30 07:49:01 6 50.40 0.00 6.89 0.00 0.07 42.64 07:49:01 7 51.98 0.00 6.40 0.55 0.07 41.00 07:50:01 all 7.91 0.21 3.92 1.42 0.08 86.46 07:50:01 0 5.52 0.00 3.86 3.69 0.08 86.85 07:50:01 1 9.30 0.00 3.13 0.08 0.08 87.40 07:50:01 2 5.33 0.00 3.15 2.10 0.10 89.33 07:50:01 3 7.70 0.00 3.42 1.14 0.07 87.67 07:50:01 4 6.77 0.00 2.90 0.25 0.10 89.98 07:50:01 5 8.67 0.00 3.51 2.45 0.08 85.27 07:50:01 6 6.85 1.64 4.63 1.47 0.05 85.36 07:50:01 7 13.09 0.00 6.74 0.20 0.08 79.89 07:51:01 all 9.79 0.00 1.72 0.56 0.08 87.85 07:51:01 0 5.85 0.00 2.90 0.50 0.07 90.68 07:51:01 1 8.42 0.00 1.47 0.42 0.07 89.63 07:51:01 2 4.09 0.00 1.35 0.10 0.08 94.38 07:51:01 3 4.32 0.00 1.36 2.28 0.08 91.96 07:51:01 4 3.14 0.00 1.16 0.13 0.08 95.49 07:51:01 5 6.05 0.00 1.62 0.12 0.07 92.15 07:51:01 6 30.34 0.00 2.01 0.62 0.08 66.95 07:51:01 7 16.05 0.00 1.93 0.32 0.08 81.62 Average: all 19.95 0.16 3.94 1.63 0.07 74.25 Average: 0 18.74 0.00 4.43 2.09 0.07 74.68 Average: 1 20.06 0.00 3.71 1.10 0.06 75.07 Average: 2 17.77 0.96 3.43 0.86 0.08 76.90 Average: 3 19.85 0.01 3.93 2.81 0.07 73.33 Average: 4 17.71 0.00 3.34 0.53 0.07 78.35 Average: 5 19.06 0.00 3.79 2.56 0.07 74.52 Average: 6 23.79 0.33 4.27 1.27 0.06 70.29 Average: 7 22.60 0.00 4.63 1.82 0.08 70.87