---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18518 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 1613 23979 2 6574 30097 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:74:68:2d brd ff:ff:ff:ff:ff:ff inet 10.30.107.186/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe74:682d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d5:3f:82:f0 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:d5ff:fe3f:82f0/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 2e:5a:f9:29:0b:05 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::2c5a:f9ff:fe29:b05/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 2e:a5:4b:3b:48:8c 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::2ca5:4bff:fe3b:488c/64 scope link valid_lft forever preferred_lft forever 7: vethc85191f5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6a:50:27:56:b6:b6 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::6850:27ff:fe56:b6b6/64 scope link valid_lft forever preferred_lft forever 8: veth917e1689@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 6a:6d:32:20:cd:cf brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::686d:32ff:fe20:cdcf/64 scope link valid_lft forever preferred_lft forever 10: veth9eb2dbc3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8e:10:5a:a8:e3:d9 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::8c10:5aff:fea8:e3d9/64 scope link valid_lft forever preferred_lft forever 11: veth3bd5a49f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 4a:76:eb:68:58:01 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::4876:ebff:fe68:5801/64 scope link valid_lft forever preferred_lft forever 12: veth3932f376@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 22:49:e2:1f:cb:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::2049:e2ff:fe1f:cbb0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18518) 12/07/25 _x86_64_ (8 CPU) 16:21:54 LINUX RESTART (8 CPU) 16:22:01 tps rtps wtps bread/s bwrtn/s 16:23:02 431.06 115.61 315.45 6719.15 138608.50 16:24:01 539.24 21.52 517.72 1706.13 159739.48 16:25:01 123.06 3.18 119.88 432.92 49111.76 16:26:01 154.21 2.52 151.69 130.91 70657.82 16:27:01 98.33 20.30 78.04 751.87 9610.66 Average: 268.28 32.66 235.62 1948.95 85298.83 16:22:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:23:02 29506648 31402916 3432572 10.42 47672 2159736 1807232 5.49 1520400 1605336 4060 16:24:01 25568188 30814416 7371032 22.38 135628 5199016 3743456 11.36 2790776 3958084 918016 16:25:01 26776008 31064576 6163212 18.71 137240 4358992 2636576 8.00 2168888 3505584 150840 16:26:01 25017636 30881636 7921584 24.05 182788 5827676 3563628 10.82 2630396 4715044 96676 16:27:01 24641380 30815044 8297840 25.19 193200 6093356 3541468 10.75 2733652 4958008 178000 Average: 26301972 30995718 6637248 20.15 139306 4727755 3058472 9.29 2368822 3748411 269518 16:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:23:02 lo 80.55 80.55 33.12 33.12 0.00 0.00 0.00 0.00 16:23:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:02 ens3 457.14 320.70 2584.59 79.01 0.00 0.00 0.00 0.00 16:24:01 lo 175.40 175.40 260.84 260.84 0.00 0.00 0.00 0.00 16:24:01 veth3bd5a49f 0.15 0.46 0.01 0.03 0.00 0.00 0.00 0.00 16:24:01 cni0 48.85 45.12 40.83 115.22 0.00 0.00 0.91 0.00 16:24:01 veth9eb2dbc3 3.02 4.10 0.37 0.81 0.00 0.00 0.00 0.00 16:25:01 lo 13.28 13.28 4.13 4.13 0.00 0.00 0.00 0.00 16:25:01 veth3bd5a49f 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 16:25:01 cni0 11.26 13.01 2.92 2.12 0.00 0.00 0.10 0.00 16:25:01 veth9eb2dbc3 2.92 3.30 0.27 0.28 0.00 0.00 0.00 0.00 16:26:01 vetha2130cb3 0.10 0.17 0.01 0.01 0.00 0.00 0.00 0.00 16:26:01 lo 38.41 38.41 13.50 13.50 0.00 0.00 0.00 0.00 16:26:01 veth3bd5a49f 0.02 0.15 0.00 0.01 0.00 0.00 0.00 0.00 16:26:01 cni0 12.21 13.51 3.05 2.42 0.00 0.00 0.15 0.00 16:27:01 lo 26.53 26.53 9.52 9.52 0.00 0.00 0.00 0.00 16:27:01 veth3bd5a49f 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 cni0 11.88 13.30 3.03 2.60 0.00 0.00 0.03 0.00 16:27:01 veth9eb2dbc3 12.16 14.00 1.21 1.76 0.00 0.00 0.00 0.00 Average: lo 66.47 66.47 63.57 63.57 0.00 0.00 0.00 0.00 Average: veth3bd5a49f 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: cni0 16.74 16.90 9.86 24.17 0.00 0.00 0.24 0.00 Average: veth9eb2dbc3 2.44 2.81 0.24 0.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18518) 12/07/25 _x86_64_ (8 CPU) 16:21:54 LINUX RESTART (8 CPU) 16:22:01 CPU %user %nice %system %iowait %steal %idle 16:23:02 all 8.36 0.69 2.46 3.59 0.05 84.85 16:23:02 0 7.59 0.00 1.61 10.17 0.03 80.60 16:23:02 1 10.49 0.02 3.66 0.77 0.05 85.01 16:23:02 2 5.89 0.00 2.11 2.44 0.05 89.51 16:23:02 3 8.25 0.00 2.25 0.48 0.05 88.97 16:23:02 4 9.33 1.94 2.27 0.40 0.03 86.03 16:23:02 5 13.17 0.00 2.46 5.73 0.05 78.59 16:23:02 6 7.56 3.51 3.41 5.57 0.05 79.90 16:23:02 7 4.63 0.00 1.91 3.14 0.05 90.27 16:24:01 all 42.27 0.00 8.18 5.00 0.11 44.45 16:24:01 0 41.60 0.00 8.06 2.55 0.12 47.67 16:24:01 1 41.93 0.00 7.98 6.40 0.10 43.59 16:24:01 2 43.89 0.00 7.94 3.87 0.10 44.20 16:24:01 3 42.54 0.00 7.91 8.21 0.12 41.22 16:24:01 4 43.69 0.00 8.01 6.10 0.12 42.08 16:24:01 5 41.69 0.00 7.98 5.97 0.10 44.26 16:24:01 6 40.79 0.00 9.50 2.93 0.10 46.68 16:24:01 7 41.96 0.00 8.05 4.02 0.09 45.89 16:25:01 all 39.57 0.00 5.65 1.22 0.09 53.47 16:25:01 0 40.05 0.00 5.03 0.15 0.08 54.68 16:25:01 1 39.55 0.00 5.29 1.26 0.10 53.80 16:25:01 2 40.79 0.00 6.02 0.97 0.10 52.11 16:25:01 3 37.81 0.00 5.83 1.66 0.10 54.60 16:25:01 4 41.12 0.00 6.30 0.57 0.07 51.94 16:25:01 5 40.04 0.00 5.34 0.37 0.08 54.17 16:25:01 6 38.90 0.00 5.98 0.13 0.08 54.90 16:25:01 7 38.25 0.00 5.42 4.69 0.10 51.54 16:26:01 all 7.11 0.22 4.02 2.70 0.08 85.87 16:26:01 0 5.77 0.00 3.63 8.98 0.08 81.54 16:26:01 1 7.31 1.77 4.09 1.96 0.08 84.79 16:26:01 2 7.26 0.00 4.21 1.79 0.08 86.66 16:26:01 3 8.30 0.00 3.85 2.17 0.08 85.59 16:26:01 4 5.50 0.00 3.94 0.29 0.08 90.19 16:26:01 5 6.45 0.00 3.24 0.81 0.08 89.41 16:26:01 6 9.74 0.00 5.15 4.34 0.08 80.68 16:26:01 7 6.57 0.00 4.08 1.24 0.08 88.02 16:27:01 all 10.70 0.00 1.28 0.69 0.08 87.25 16:27:01 0 9.87 0.00 1.40 0.40 0.10 88.23 16:27:01 1 22.64 0.00 1.67 1.19 0.08 74.42 16:27:01 2 7.52 0.00 1.27 1.04 0.10 90.07 16:27:01 3 13.36 0.00 1.57 0.30 0.07 84.71 16:27:01 4 10.61 0.00 1.10 0.92 0.07 87.30 16:27:01 5 3.73 0.00 0.95 0.22 0.08 95.01 16:27:01 6 13.55 0.00 1.32 0.30 0.07 84.76 16:27:01 7 4.33 0.00 0.96 1.16 0.07 93.49 Average: all 21.49 0.18 4.30 2.63 0.08 71.32 Average: 0 20.90 0.00 3.93 4.45 0.08 70.64 Average: 1 24.29 0.36 4.52 2.29 0.08 68.46 Average: 2 20.99 0.00 4.29 2.02 0.09 72.61 Average: 3 21.94 0.00 4.26 2.53 0.08 71.18 Average: 4 21.95 0.39 4.31 1.63 0.07 71.65 Average: 5 20.92 0.00 3.98 2.61 0.08 72.42 Average: 6 22.01 0.71 5.04 2.65 0.08 69.51 Average: 7 18.95 0.00 4.05 2.84 0.08 74.08