---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19966 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 1629 23942 2 6595 30080 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:da:83:04 brd ff:ff:ff:ff:ff:ff inet 10.30.107.157/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86033sec preferred_lft 86033sec inet6 fe80::f816:3eff:feda:8304/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5f:4e:a7:8c 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::42:5fff:fe4e:a78c/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether d2:48:e7:23:63:21 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::d048:e7ff:fe23:6321/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 8e:11:32:b8:66:84 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::8c11:32ff:feb8:6684/64 scope link valid_lft forever preferred_lft forever 6: vethbd625db4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0a:19:0b:e7:30:22 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::819:bff:fee7:3022/64 scope link valid_lft forever preferred_lft forever 7: veth15a46f4a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 66:7f:0b:a4:4c:54 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::647f:bff:fea4:4c54/64 scope link valid_lft forever preferred_lft forever 8: vethf5437889@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8e:a9:aa:2f:c9:f9 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::8ca9:aaff:fe2f:c9f9/64 scope link valid_lft forever preferred_lft forever 13: veth731b7346@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 72:fd:69:f5:fa:3c brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::70fd:69ff:fef5:fa3c/64 scope link valid_lft forever preferred_lft forever 14: veth32f92c6c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0a:8c:77:0b:b7:d4 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::88c:77ff:fe0b:b7d4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19966) 12/11/25 _x86_64_ (8 CPU) 08:30:54 LINUX RESTART (8 CPU) 08:31:01 tps rtps wtps bread/s bwrtn/s 08:32:01 356.22 97.53 258.69 6170.70 85089.42 08:33:01 530.76 41.79 488.97 2154.08 147838.72 08:34:01 105.73 0.00 105.73 0.00 66886.19 08:35:01 198.87 4.40 194.47 515.91 113659.06 08:36:01 105.40 21.28 84.12 769.07 12295.82 Average: 259.40 33.00 226.40 1921.96 85155.93 08:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:32:01 29738424 31609700 3200796 9.72 45508 2139768 1530852 4.65 1189308 1722584 611652 08:33:01 25606948 30659744 7332272 22.26 132440 5014168 3969016 12.05 2848212 3869984 582416 08:34:01 24859360 30923576 8079860 24.53 135044 5980944 3109196 9.44 3107844 4319676 920260 08:35:01 25391344 30906568 7547876 22.91 140924 5529112 3568464 10.83 2435836 4552452 1676 08:36:01 24697392 30847792 8241828 25.02 189512 6076284 3544924 10.76 2693468 4942236 164768 Average: 26058694 30989476 6880526 20.89 128686 4948055 3144490 9.55 2454934 3881386 456154 08:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 ens3 489.97 333.91 2584.81 79.50 0.00 0.00 0.00 0.00 08:32:01 lo 4.52 4.52 0.95 0.95 0.00 0.00 0.00 0.00 08:33:01 veth32f92c6c 4.13 3.53 0.83 2.05 0.00 0.00 0.00 0.00 08:33:01 veth731b7346 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:33:01 docker0 170.64 249.42 13.21 1576.36 0.00 0.00 0.00 0.00 08:33:01 vethf5437889 6.78 8.71 2.62 2.97 0.00 0.00 0.00 0.00 08:34:01 veth32f92c6c 1.43 1.72 0.12 0.34 0.00 0.00 0.00 0.00 08:34:01 veth731b7346 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:34:01 docker0 4.72 8.18 0.33 18.98 0.00 0.00 0.00 0.00 08:34:01 vethf5437889 6.95 8.30 2.64 1.72 0.00 0.00 0.00 0.00 08:35:01 veth32f92c6c 1.40 1.53 0.11 0.17 0.00 0.00 0.00 0.00 08:35:01 veth731b7346 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:35:01 docker0 0.05 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:35:01 vethf5437889 7.27 8.48 2.78 1.71 0.00 0.00 0.00 0.00 08:36:01 veth32f92c6c 1.65 1.88 0.13 0.57 0.00 0.00 0.00 0.00 08:36:01 veth731b7346 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:01 vethf5437889 7.40 8.58 2.80 1.91 0.00 0.00 0.00 0.00 Average: veth32f92c6c 1.72 1.73 0.24 0.63 0.00 0.00 0.00 0.00 Average: veth731b7346 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: docker0 35.09 51.55 2.71 319.11 0.00 0.00 0.00 0.00 Average: vethf5437889 5.68 6.82 2.17 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19966) 12/11/25 _x86_64_ (8 CPU) 08:30:54 LINUX RESTART (8 CPU) 08:31:01 CPU %user %nice %system %iowait %steal %idle 08:32:01 all 7.13 0.78 1.81 4.56 0.04 85.68 08:32:01 0 7.83 1.49 2.18 3.84 0.03 84.62 08:32:01 1 7.01 3.11 2.37 0.35 0.03 87.13 08:32:01 2 5.51 0.02 1.54 0.52 0.02 92.41 08:32:01 3 6.06 0.00 1.49 1.82 0.03 90.59 08:32:01 4 4.33 0.00 1.09 14.58 0.03 79.96 08:32:01 5 14.38 1.55 1.87 5.26 0.07 76.87 08:32:01 6 6.62 0.00 2.61 9.78 0.05 80.94 08:32:01 7 5.35 0.00 1.37 0.33 0.03 92.91 08:33:01 all 37.39 0.00 8.30 5.28 0.11 48.92 08:33:01 0 37.98 0.00 8.60 2.99 0.12 50.31 08:33:01 1 37.66 0.00 8.24 4.49 0.10 49.51 08:33:01 2 36.62 0.00 9.73 9.94 0.10 43.61 08:33:01 3 37.52 0.00 8.16 7.22 0.10 47.00 08:33:01 4 37.31 0.00 8.10 3.74 0.10 50.75 08:33:01 5 37.62 0.00 8.02 4.66 0.08 49.62 08:33:01 6 36.16 0.00 7.73 4.57 0.10 51.44 08:33:01 7 38.24 0.00 7.83 4.67 0.12 49.14 08:34:01 all 54.15 0.00 7.40 0.65 0.10 37.70 08:34:01 0 53.22 0.00 7.66 0.02 0.08 39.02 08:34:01 1 52.70 0.00 7.40 2.22 0.10 37.58 08:34:01 2 54.77 0.00 7.23 0.71 0.10 37.19 08:34:01 3 52.73 0.00 7.04 0.66 0.10 39.48 08:34:01 4 55.29 0.00 6.76 0.02 0.08 37.85 08:34:01 5 57.51 0.00 8.47 0.00 0.10 33.92 08:34:01 6 52.88 0.00 7.46 1.52 0.12 38.03 08:34:01 7 54.10 0.00 7.19 0.02 0.12 38.57 08:35:01 all 7.97 0.23 3.62 4.56 0.07 83.55 08:35:01 0 6.58 0.00 3.56 0.70 0.07 89.09 08:35:01 1 8.73 0.12 3.67 0.54 0.07 86.87 08:35:01 2 8.43 0.88 3.55 3.80 0.07 83.27 08:35:01 3 13.53 0.02 4.96 4.07 0.07 77.35 08:35:01 4 7.67 0.83 3.20 3.10 0.08 85.12 08:35:01 5 8.17 0.00 3.61 0.52 0.08 87.61 08:35:01 6 4.69 0.00 2.85 9.60 0.07 82.79 08:35:01 7 5.90 0.00 3.56 14.19 0.07 76.28 08:36:01 all 8.87 0.00 2.42 0.81 0.07 87.83 08:36:01 0 10.48 0.00 2.39 0.74 0.07 86.32 08:36:01 1 9.62 0.00 2.15 1.04 0.07 87.13 08:36:01 2 8.45 0.00 2.75 1.35 0.10 87.35 08:36:01 3 5.48 0.00 2.27 0.07 0.05 92.13 08:36:01 4 10.23 0.00 4.42 1.36 0.08 83.91 08:36:01 5 10.88 0.00 1.99 1.52 0.05 85.56 08:36:01 6 6.03 0.00 1.55 0.33 0.07 92.03 08:36:01 7 9.83 0.00 1.91 0.12 0.05 88.10 Average: all 23.05 0.20 4.70 3.17 0.08 68.80 Average: 0 23.19 0.30 4.87 1.65 0.07 69.91 Average: 1 23.09 0.65 4.76 1.72 0.07 69.71 Average: 2 22.71 0.18 4.95 3.25 0.08 68.85 Average: 3 23.01 0.00 4.77 2.76 0.07 69.38 Average: 4 22.92 0.16 4.70 4.57 0.08 67.56 Average: 5 25.69 0.31 4.78 2.39 0.08 66.75 Average: 6 21.18 0.00 4.42 5.14 0.08 69.17 Average: 7 22.64 0.00 4.36 3.85 0.08 69.08