---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1233 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 49M 49M 0 100% /snap/snapd/25935 /dev/loop1 67M 67M 0 100% /snap/core24/1349 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1613 23964 2 6588 30096 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:7d:b6:83 brd ff:ff:ff:ff:ff:ff inet 10.30.106.239/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86080sec preferred_lft 86080sec inet6 fe80::f816:3eff:fe7d:b683/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:97:c4:20:22 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::42:97ff:fec4:2022/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 52:3f:23:6c:57:ef 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::503f:23ff:fe6c:57ef/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether de:70:1e:a3:85:f3 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::dc70:1eff:fea3:85f3/64 scope link valid_lft forever preferred_lft forever 10: vethd8799ffb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3e:db:dc:9f:64:76 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::3cdb:dcff:fe9f:6476/64 scope link valid_lft forever preferred_lft forever 11: veth652a7fbb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8e:e1:16:31:82:cc brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::8ce1:16ff:fe31:82cc/64 scope link valid_lft forever preferred_lft forever 12: veth60249ef9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:3a:6d:e4:a4:08 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::b83a:6dff:fee4:a408/64 scope link valid_lft forever preferred_lft forever 13: veth0847b351@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 66:50:1c:d2:35:62 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::6450:1cff:fed2:3562/64 scope link valid_lft forever preferred_lft forever 14: vethafb7255a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 36:54:88:79:2b:0c brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::3454:88ff:fe79:2b0c/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-1233) 03/11/26 _x86_64_ (8 CPU) 14:51:21 LINUX RESTART (8 CPU) 14:52:01 tps rtps wtps bread/s bwrtn/s 14:53:01 514.65 82.89 431.76 3678.59 170788.07 14:54:01 151.96 0.00 151.96 0.00 43958.01 14:55:01 171.62 5.27 166.36 536.31 94835.13 14:56:01 109.28 20.58 88.70 755.34 12448.06 Average: 236.88 27.18 209.69 1242.56 80507.32 14:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:53:01 26477320 30957680 6461900 19.62 130520 4474060 3735284 11.34 2260800 3619432 828632 14:54:01 25062564 30948940 7876656 23.91 136824 5812000 3527412 10.71 3000544 4231360 891208 14:55:01 25345544 30914232 7593676 23.05 154068 5571620 3715440 11.28 2456992 4577692 2044 14:56:01 24612700 30761484 8326520 25.28 191472 6077328 3598876 10.93 2781612 4944664 162056 Average: 25374532 30895584 7564688 22.97 153221 5483752 3644253 11.06 2624987 4343287 470985 14:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:53:01 cni0 41.44 37.11 44.74 120.39 0.00 0.00 0.77 0.00 14:53:01 vethd8799ffb 2.22 2.97 0.72 1.21 0.00 0.00 0.00 0.00 14:53:01 docker0 182.90 295.85 13.88 1612.39 0.00 0.00 0.00 0.00 14:53:01 lo 247.78 247.78 317.14 317.14 0.00 0.00 0.00 0.00 14:54:01 cni0 11.50 13.15 3.30 2.39 0.00 0.00 0.18 0.00 14:54:01 vethd8799ffb 7.18 8.82 3.08 1.91 0.00 0.00 0.00 0.00 14:54:01 docker0 5.38 7.63 0.38 19.04 0.00 0.00 0.00 0.00 14:54:01 lo 20.83 20.83 9.25 9.25 0.00 0.00 0.00 0.00 14:55:01 cni0 11.78 13.30 3.02 2.18 0.00 0.00 0.07 0.00 14:55:01 vethd8799ffb 7.22 8.50 2.78 1.72 0.00 0.00 0.00 0.00 14:55:01 docker0 0.03 0.07 0.00 0.01 0.00 0.00 0.00 0.00 14:55:01 lo 19.80 19.80 6.06 6.06 0.00 0.00 0.00 0.00 14:56:01 cni0 12.56 13.70 3.07 2.92 0.00 0.00 0.12 0.00 14:56:01 vethd8799ffb 7.53 8.65 2.81 1.98 0.00 0.00 0.00 0.00 14:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 lo 45.06 45.06 17.79 17.79 0.00 0.00 0.00 0.00 Average: cni0 19.32 19.31 13.53 31.97 0.00 0.00 0.28 0.00 Average: vethd8799ffb 6.04 7.23 2.35 1.71 0.00 0.00 0.00 0.00 Average: docker0 47.08 75.89 3.56 407.86 0.00 0.00 0.00 0.00 Average: lo 83.37 83.37 87.56 87.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1233) 03/11/26 _x86_64_ (8 CPU) 14:51:21 LINUX RESTART (8 CPU) 14:52:01 CPU %user %nice %system %iowait %steal %idle 14:53:01 all 16.41 0.60 5.41 3.20 0.08 74.30 14:53:01 0 14.76 0.02 5.26 4.26 0.08 75.62 14:53:01 1 17.77 0.00 4.99 3.56 0.07 73.62 14:53:01 2 17.62 0.00 5.78 3.05 0.07 73.48 14:53:01 3 15.03 0.00 5.34 1.69 0.08 77.85 14:53:01 4 20.13 0.00 5.43 3.20 0.08 71.17 14:53:01 5 13.16 0.00 5.23 3.61 0.08 77.91 14:53:01 6 19.43 3.26 5.17 3.79 0.08 68.27 14:53:01 7 13.40 1.52 6.07 2.47 0.08 76.45 14:54:01 all 57.86 0.00 7.20 0.28 0.10 34.56 14:54:01 0 59.51 0.00 7.30 0.03 0.10 33.06 14:54:01 1 64.12 0.00 7.49 0.08 0.10 28.20 14:54:01 2 57.39 0.00 7.26 1.11 0.10 34.14 14:54:01 3 57.00 0.00 7.35 0.71 0.10 34.84 14:54:01 4 57.12 0.00 6.91 0.15 0.10 35.72 14:54:01 5 56.09 0.00 7.09 0.03 0.10 36.69 14:54:01 6 55.08 0.00 7.20 0.07 0.10 37.55 14:54:01 7 56.52 0.00 7.05 0.05 0.10 36.28 14:55:01 all 13.60 0.22 4.46 1.02 0.08 80.62 14:55:01 0 14.66 1.79 4.59 2.92 0.08 75.95 14:55:01 1 13.57 0.00 3.79 0.99 0.08 81.56 14:55:01 2 13.93 0.00 4.54 0.12 0.07 81.35 14:55:01 3 12.02 0.00 6.68 0.25 0.08 80.96 14:55:01 4 10.84 0.00 3.35 0.74 0.07 85.01 14:55:01 5 14.44 0.00 4.42 0.62 0.07 80.44 14:55:01 6 13.94 0.00 3.77 2.31 0.07 79.92 14:55:01 7 15.44 0.00 4.49 0.15 0.10 79.81 14:56:01 all 9.42 0.00 1.84 0.54 0.08 88.12 14:56:01 0 12.63 0.00 2.64 0.67 0.05 84.01 14:56:01 1 20.98 0.00 2.15 0.29 0.10 76.48 14:56:01 2 4.12 0.00 1.66 0.70 0.08 93.43 14:56:01 3 12.46 0.00 2.10 0.40 0.08 84.96 14:56:01 4 4.50 0.00 1.33 0.15 0.07 93.95 14:56:01 5 4.98 0.00 1.67 0.30 0.08 92.96 14:56:01 6 11.54 0.00 1.73 0.22 0.10 86.42 14:56:01 7 4.12 0.00 1.46 1.58 0.07 92.77 Average: all 24.31 0.21 4.72 1.26 0.09 69.42 Average: 0 25.40 0.45 4.94 1.96 0.08 67.17 Average: 1 29.10 0.00 4.60 1.23 0.09 64.98 Average: 2 23.25 0.00 4.80 1.24 0.08 70.63 Average: 3 24.11 0.00 5.36 0.76 0.09 69.68 Average: 4 23.13 0.00 4.25 1.06 0.08 71.48 Average: 5 22.14 0.00 4.60 1.14 0.08 72.03 Average: 6 24.98 0.81 4.46 1.59 0.09 68.07 Average: 7 22.34 0.38 4.76 1.06 0.09 71.36