---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19045 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: 2800.000 BogoMIPS: 5600.00 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 1595 23979 2 6591 30114 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:93:6c:5f brd ff:ff:ff:ff:ff:ff inet 10.30.107.105/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fe93:6c5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b7:46:24:50 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:b7ff:fe46:2450/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 46:f0:6b:0e:ea:9b 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::44f0:6bff:fe0e:ea9b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 86:3a:a4:8f:64:86 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::843a:a4ff:fe8f:6486/64 scope link valid_lft forever preferred_lft forever 6: vethb71c796d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 62:f5:2d:5d:55:3c brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::60f5:2dff:fe5d:553c/64 scope link valid_lft forever preferred_lft forever 7: vethebdad66c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether de:52:fd:ee:eb:12 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::dc52:fdff:feee:eb12/64 scope link valid_lft forever preferred_lft forever 8: veth552d02f4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0e:57:51:82:8b:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::c57:51ff:fe82:8bb0/64 scope link valid_lft forever preferred_lft forever 13: veth169e7bdb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 92:22:49:0d:2b:6c brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::9022:49ff:fe0d:2b6c/64 scope link valid_lft forever preferred_lft forever 14: vethd6deed67@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether da:98:ba:52:49:ad brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::d898:baff:fe52:49ad/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-19045) 12/09/25 _x86_64_ (8 CPU) 13:45:14 LINUX RESTART (8 CPU) 13:46:01 tps rtps wtps bread/s bwrtn/s 13:47:01 526.68 82.65 444.03 3691.78 123112.68 13:48:01 181.17 0.03 181.14 0.27 69496.15 13:49:01 192.27 3.47 188.80 474.91 123624.93 13:50:01 124.96 21.93 103.03 763.61 45329.78 Average: 256.27 27.02 229.25 1232.61 90392.27 13:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:47:01 26615388 31063320 6323832 19.20 130944 4441348 2865152 8.70 2091292 3658580 601364 13:48:01 25216024 30780928 7723196 23.45 139120 5498828 3758012 11.41 3017048 4074416 607524 13:49:01 25545236 31004124 7393984 22.45 143920 5474404 3223132 9.79 2334080 4516000 592 13:50:01 24646268 30771788 8292952 25.18 192676 6058464 3625832 11.01 2792264 4908308 154528 Average: 25505729 30905040 7433491 22.57 151665 5368261 3368032 10.22 2558671 4289326 341002 13:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:47:01 veth169e7bdb 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 13:47:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:47:01 veth45507e5 133.98 192.78 12.83 1568.67 0.00 0.00 0.00 0.13 13:47:01 vethb71c796d 2.10 3.07 0.28 0.71 0.00 0.00 0.00 0.00 13:48:01 veth169e7bdb 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 13:48:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:48:01 veth45507e5 10.76 15.15 1.01 19.38 0.00 0.00 0.00 0.00 13:48:01 vethb71c796d 2.82 3.17 0.26 0.27 0.00 0.00 0.00 0.00 13:49:01 veth169e7bdb 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 vethb71c796d 3.05 3.37 0.28 0.29 0.00 0.00 0.00 0.00 13:49:01 vethd6deed67 6.70 6.41 1.01 2.46 0.00 0.00 0.00 0.00 13:50:01 veth169e7bdb 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:50:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 vethb71c796d 3.17 3.60 0.29 0.41 0.00 0.00 0.00 0.00 13:50:01 vethd6deed67 1.63 1.97 0.13 0.58 0.00 0.00 0.00 0.00 Average: veth169e7bdb 0.05 0.17 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: vethb71c796d 2.78 3.30 0.28 0.42 0.00 0.00 0.00 0.00 Average: vethd6deed67 2.08 2.10 0.28 0.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19045) 12/09/25 _x86_64_ (8 CPU) 13:45:14 LINUX RESTART (8 CPU) 13:46:01 CPU %user %nice %system %iowait %steal %idle 13:47:01 all 14.35 0.19 5.22 7.65 0.10 72.50 13:47:01 0 13.99 0.00 5.10 4.48 0.12 76.31 13:47:01 1 14.05 0.00 4.65 8.86 0.12 72.31 13:47:01 2 15.76 0.00 5.78 8.71 0.10 69.64 13:47:01 3 13.36 1.46 5.28 5.47 0.10 74.32 13:47:01 4 14.94 0.00 5.31 15.53 0.10 64.12 13:47:01 5 14.46 0.02 4.79 5.78 0.08 74.87 13:47:01 6 13.73 0.00 5.29 3.56 0.07 77.35 13:47:01 7 14.54 0.00 5.52 8.85 0.08 71.01 13:48:01 all 48.21 0.00 6.21 1.05 0.11 44.41 13:48:01 0 48.64 0.00 6.42 1.75 0.12 43.07 13:48:01 1 51.30 0.00 6.45 1.13 0.10 41.02 13:48:01 2 48.50 0.00 5.77 0.37 0.12 45.25 13:48:01 3 47.40 0.00 6.61 1.52 0.12 44.36 13:48:01 4 46.94 0.00 6.17 3.21 0.12 43.56 13:48:01 5 52.52 0.00 6.47 0.32 0.10 40.59 13:48:01 6 42.64 0.00 5.46 0.12 0.12 51.66 13:48:01 7 47.68 0.00 6.37 0.02 0.12 45.82 13:49:01 all 22.71 0.22 4.85 4.13 0.09 67.99 13:49:01 0 20.26 1.10 4.33 2.70 0.07 71.55 13:49:01 1 23.28 0.66 4.57 3.54 0.08 67.87 13:49:01 2 22.04 0.00 5.68 3.34 0.08 68.85 13:49:01 3 23.36 0.00 4.87 15.90 0.10 55.76 13:49:01 4 23.35 0.00 4.79 5.43 0.10 66.32 13:49:01 5 26.20 0.00 6.11 0.61 0.10 66.98 13:49:01 6 22.38 0.00 4.33 1.43 0.08 71.77 13:49:01 7 20.78 0.00 4.13 0.12 0.10 74.87 13:50:01 all 7.91 0.00 2.19 1.87 0.08 87.95 13:50:01 0 4.78 0.00 1.58 0.10 0.07 93.48 13:50:01 1 13.83 0.00 1.83 4.61 0.07 79.66 13:50:01 2 8.42 0.00 1.61 0.27 0.10 89.60 13:50:01 3 7.04 0.00 2.68 4.98 0.10 85.20 13:50:01 4 8.36 0.00 2.52 0.42 0.08 88.61 13:50:01 5 5.50 0.00 1.68 0.72 0.07 92.04 13:50:01 6 7.87 0.00 2.63 3.45 0.05 86.01 13:50:01 7 7.54 0.00 3.01 0.42 0.08 88.94 Average: all 23.28 0.10 4.62 3.67 0.10 68.24 Average: 0 21.87 0.27 4.35 2.25 0.09 71.17 Average: 1 25.60 0.16 4.37 4.54 0.09 65.23 Average: 2 23.69 0.00 4.70 3.16 0.10 68.34 Average: 3 22.76 0.37 4.86 6.95 0.11 64.95 Average: 4 23.39 0.00 4.69 6.13 0.10 65.69 Average: 5 24.66 0.00 4.76 1.86 0.09 68.63 Average: 6 21.60 0.00 4.42 2.14 0.08 71.75 Average: 7 22.66 0.00 4.76 2.34 0.10 70.13