---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17891 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 1612 24055 2 6499 30098 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:3d:b7:7d brd ff:ff:ff:ff:ff:ff inet 10.30.107.211/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86059sec preferred_lft 86059sec inet6 fe80::f816:3eff:fe3d:b77d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e2:33:d6:5b 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:e2ff:fe33:d65b/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether b2:3c:5f:2a:a1:76 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::b03c:5fff:fe2a:a176/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ee:4d:a6:e7:2d:8a 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::ec4d:a6ff:fee7:2d8a/64 scope link valid_lft forever preferred_lft forever 6: veth3fe9bea6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9a:c2:26:e0:24:ff brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::98c2:26ff:fee0:24ff/64 scope link valid_lft forever preferred_lft forever 8: veth1ef5fa9c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8e:52:fd:e5:e0:8b brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::8c52:fdff:fee5:e08b/64 scope link valid_lft forever preferred_lft forever 10: vetha069f3cf@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 2e:5a:71:81:39:4a brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::2c5a:71ff:fe81:394a/64 scope link valid_lft forever preferred_lft forever 13: veth7cb3eee3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether aa:17:98:9c:e9:3c brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::a817:98ff:fe9c:e93c/64 scope link valid_lft forever preferred_lft forever 14: vethcc831a6c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 2a:6c:0b:96:31:ea brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::286c:bff:fe96:31ea/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-17891) 12/05/25 _x86_64_ (8 CPU) 08:19:25 LINUX RESTART (8 CPU) 08:20:01 tps rtps wtps bread/s bwrtn/s 08:21:01 616.15 83.24 532.91 3758.74 155449.89 08:22:01 201.33 1.02 200.32 8.13 94430.13 08:23:01 169.42 3.53 165.89 482.72 98724.48 08:24:01 85.92 21.81 64.11 744.68 11646.33 08:25:01 111.95 1.62 110.33 98.78 11331.84 Average: 237.26 22.29 214.97 1020.80 74381.38 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:21:01 27236632 31018432 5702588 17.31 100584 3883148 2870060 8.71 2009056 3202628 15800 08:22:01 25783928 30764312 7155292 21.72 132192 4921792 3630660 11.02 2774336 3769116 395344 08:23:01 25625140 30983884 7314080 22.20 137812 5385292 3237624 9.83 2350624 4423840 472 08:24:01 24896000 30783164 8043220 24.42 185296 5841404 3596124 10.92 2758928 4704872 56308 08:25:01 24667168 30854748 8272052 25.11 191464 6102628 3491444 10.60 2700204 4957420 106720 Average: 25641774 30880908 7297446 22.15 149470 5226853 3365182 10.22 2518630 4211575 114929 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:21:01 vetha069f3cf 2.61 3.57 0.82 1.52 0.00 0.00 0.00 0.00 08:21:01 cni0 35.80 32.61 37.07 108.87 0.00 0.00 0.75 0.00 08:21:01 vethf797217a 13.81 15.04 11.39 71.42 0.00 0.00 0.00 0.01 08:21:01 veth7cb3eee3 0.10 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:22:01 vetha069f3cf 7.63 9.07 3.14 2.27 0.00 0.00 0.00 0.00 08:22:01 cni0 15.35 15.63 4.11 4.99 0.00 0.00 0.20 0.00 08:22:01 veth7cb3eee3 0.05 0.22 0.00 0.01 0.00 0.00 0.00 0.00 08:22:01 ens3 949.14 615.81 11997.08 109.85 0.00 0.00 0.00 0.00 08:23:01 vetha069f3cf 7.05 8.48 2.76 1.71 0.00 0.00 0.00 0.00 08:23:01 cni0 11.63 13.23 3.01 2.16 0.00 0.00 0.08 0.00 08:23:01 veth7cb3eee3 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:23:01 ens3 182.87 111.36 5306.14 10.71 0.00 0.00 0.00 0.00 08:24:01 vetha069f3cf 7.42 8.80 2.80 1.93 0.00 0.00 0.00 0.00 08:24:01 cni0 12.31 13.95 3.06 2.88 0.00 0.00 0.13 0.00 08:24:01 veth7cb3eee3 0.02 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:24:01 ens3 217.91 126.35 3059.24 13.50 0.00 0.00 0.00 0.00 08:25:01 vetha069f3cf 7.50 8.42 2.80 1.71 0.00 0.00 0.00 0.00 08:25:01 cni0 11.95 13.25 3.03 2.17 0.00 0.00 0.03 0.00 08:25:01 veth7cb3eee3 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 ens3 61.11 46.18 879.25 11.19 0.00 0.00 0.00 0.00 Average: vetha069f3cf 6.44 7.66 2.46 1.83 0.00 0.00 0.00 0.00 Average: cni0 17.42 17.75 10.08 24.28 0.00 0.00 0.24 0.00 Average: veth7cb3eee3 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: ens3 221.36 141.50 4084.04 18.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17891) 12/05/25 _x86_64_ (8 CPU) 08:19:25 LINUX RESTART (8 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:21:01 all 13.48 0.61 5.08 8.76 0.07 72.01 08:21:01 0 22.29 0.00 4.99 9.10 0.07 63.56 08:21:01 1 12.73 0.00 4.66 12.32 0.05 70.24 08:21:01 2 13.30 0.00 5.40 4.30 0.07 76.94 08:21:01 3 11.79 1.63 5.05 10.45 0.07 71.02 08:21:01 4 11.44 0.00 4.89 8.26 0.05 75.36 08:21:01 5 13.09 3.24 5.66 8.10 0.07 69.83 08:21:01 6 10.56 0.00 5.10 13.66 0.07 70.61 08:21:01 7 12.59 0.02 4.84 3.92 0.05 78.58 08:22:01 all 43.08 0.00 5.62 2.49 0.09 48.72 08:22:01 0 41.94 0.00 6.29 1.55 0.10 50.12 08:22:01 1 45.65 0.00 5.12 2.68 0.10 46.46 08:22:01 2 41.71 0.00 5.08 0.61 0.08 52.52 08:22:01 3 41.67 0.00 6.12 2.21 0.08 49.92 08:22:01 4 40.76 0.00 5.52 5.30 0.10 48.31 08:22:01 5 42.77 0.00 5.01 0.30 0.08 51.83 08:22:01 6 45.47 0.00 5.76 2.53 0.08 46.16 08:22:01 7 44.68 0.00 6.11 4.72 0.10 44.39 08:23:01 all 29.98 0.20 6.01 2.16 0.07 61.56 08:23:01 0 27.96 0.00 5.51 2.72 0.07 63.74 08:23:01 1 27.89 0.00 6.60 0.10 0.07 65.34 08:23:01 2 34.05 0.00 5.79 3.00 0.07 57.10 08:23:01 3 27.70 0.00 5.99 0.03 0.07 66.21 08:23:01 4 29.53 0.00 6.20 7.27 0.08 56.91 08:23:01 5 29.90 1.57 5.67 0.86 0.08 61.92 08:23:01 6 32.33 0.00 5.56 0.93 0.08 61.10 08:23:01 7 30.55 0.00 6.81 2.38 0.05 60.21 08:24:01 all 6.93 0.00 2.28 0.64 0.07 90.09 08:24:01 0 5.95 0.00 1.91 1.11 0.07 90.97 08:24:01 1 7.35 0.00 2.37 0.17 0.07 90.05 08:24:01 2 9.41 0.00 2.00 0.13 0.08 88.38 08:24:01 3 9.61 0.00 2.18 1.50 0.07 86.65 08:24:01 4 3.51 0.00 1.90 0.13 0.07 94.39 08:24:01 5 7.53 0.00 2.10 1.36 0.08 88.93 08:24:01 6 5.98 0.00 4.36 0.62 0.05 88.99 08:24:01 7 6.03 0.00 1.44 0.12 0.07 92.35 08:25:01 all 11.90 0.00 1.28 0.51 0.07 86.25 08:25:01 0 15.20 0.00 1.52 0.17 0.07 83.04 08:25:01 1 8.27 0.00 1.05 1.09 0.07 89.52 08:25:01 2 15.24 0.00 1.69 0.40 0.07 82.61 08:25:01 3 11.30 0.00 1.54 0.60 0.08 86.48 08:25:01 4 11.67 0.00 1.32 0.47 0.07 86.47 08:25:01 5 14.61 0.00 1.20 0.40 0.07 83.72 08:25:01 6 10.68 0.00 1.02 0.79 0.07 87.45 08:25:01 7 8.22 0.00 0.92 0.13 0.05 90.68 Average: all 21.04 0.16 4.05 2.91 0.07 71.77 Average: 0 22.64 0.00 4.04 2.93 0.07 70.32 Average: 1 20.33 0.00 3.95 3.27 0.07 72.39 Average: 2 22.70 0.00 3.99 1.69 0.07 71.55 Average: 3 20.38 0.33 4.17 2.96 0.07 72.09 Average: 4 19.36 0.00 3.96 4.28 0.07 72.32 Average: 5 21.56 0.96 3.92 2.20 0.08 71.28 Average: 6 20.96 0.00 4.36 3.71 0.07 70.91 Average: 7 20.39 0.00 4.02 2.25 0.06 73.28