---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18456 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 1635 23942 2 6589 30074 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:9e:fe:7b brd ff:ff:ff:ff:ff:ff inet 10.30.106.114/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86080sec preferred_lft 86080sec inet6 fe80::f816:3eff:fe9e:fe7b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b2:55:9f:09 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:b2ff:fe55:9f09/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether d2:3e:b4:0f:c3:6b 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::d03e:b4ff:fe0f:c36b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 5a:4e:3e:41:e0:e0 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::584e:3eff:fe41:e0e0/64 scope link valid_lft forever preferred_lft forever 6: veth9a179401@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 12:fd:8d:48:3c:9f brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::10fd:8dff:fe48:3c9f/64 scope link valid_lft forever preferred_lft forever 7: vethe5205669@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 82:c0:f7:0f:e1:58 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::80c0:f7ff:fe0f:e158/64 scope link valid_lft forever preferred_lft forever 8: vethad9dcc24@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ee:1c:10:a3:5b:e2 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::ec1c:10ff:fea3:5be2/64 scope link valid_lft forever preferred_lft forever 13: vethd4d17028@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0a:22:ff:af:0f:c2 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::822:ffff:feaf:fc2/64 scope link valid_lft forever preferred_lft forever 14: veth6d770e60@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether d6:6c:39:c5:5d:5c brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::d46c:39ff:fec5:5d5c/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-18456) 02/19/26 _x86_64_ (8 CPU) 15:51:50 LINUX RESTART (8 CPU) 15:52:01 tps rtps wtps bread/s bwrtn/s 15:53:01 477.75 133.74 344.01 7957.07 164570.70 15:54:01 439.58 3.02 436.56 367.54 125409.10 15:55:01 200.17 3.30 196.87 447.13 64638.43 15:56:01 132.73 21.78 110.95 763.07 55643.66 15:57:01 123.03 1.17 121.86 76.91 11158.55 Average: 274.65 32.60 242.04 1922.28 84281.65 15:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:53:01 28751992 31268520 4187228 12.71 63168 2738800 2128624 6.46 1695028 2124736 555632 15:54:01 25072676 30718236 7866544 23.88 136100 5582556 3243428 9.85 3103328 4129028 1165928 15:55:01 26180400 31007068 6758820 20.52 139340 4882916 2662644 8.08 2291528 3965312 80316 15:56:01 24886704 30834624 8052516 24.45 186980 5904056 3553292 10.79 2697968 4778172 32396 15:57:01 24522780 30800596 8416440 25.55 195856 6187100 3598364 10.92 2753960 5047400 124896 Average: 25882910 30925809 7056310 21.42 144289 5059086 3037270 9.22 2508362 4008930 391834 15:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:53:01 veth9a179401 0.10 0.38 0.01 0.03 0.00 0.00 0.00 0.00 15:53:01 vethad9dcc24 0.10 0.28 0.01 0.02 0.00 0.00 0.00 0.00 15:53:01 ens3 618.00 405.15 8133.84 82.75 0.00 0.00 0.00 0.00 15:53:01 cni0 0.27 0.08 0.02 0.01 0.00 0.00 0.25 0.00 15:54:01 veth9a179401 3.20 4.15 0.39 0.80 0.00 0.00 0.00 0.00 15:54:01 veth6d770e60 3.93 3.42 0.73 2.14 0.00 0.00 0.00 0.00 15:54:01 vethad9dcc24 0.40 1.15 0.08 0.19 0.00 0.00 0.00 0.00 15:54:01 ens3 476.67 300.70 4586.69 30.00 0.00 0.00 0.00 0.00 15:55:01 veth9a179401 3.02 3.28 0.28 0.28 0.00 0.00 0.00 0.00 15:55:01 veth6d770e60 1.43 1.53 0.11 0.17 0.00 0.00 0.00 0.00 15:55:01 vethad9dcc24 0.17 0.20 0.01 0.02 0.00 0.00 0.00 0.00 15:55:01 ens3 38.23 26.36 685.89 3.14 0.00 0.00 0.00 0.00 15:56:01 veth9a179401 3.20 3.53 0.29 0.40 0.00 0.00 0.00 0.00 15:56:01 veth6d770e60 1.65 1.92 0.13 0.57 0.00 0.00 0.00 0.00 15:56:01 vethad9dcc24 0.13 0.30 0.01 0.03 0.00 0.00 0.00 0.00 15:56:01 ens3 342.93 190.53 7600.69 18.40 0.00 0.00 0.00 0.00 15:57:01 veth9a179401 3.05 3.18 0.28 0.28 0.00 0.00 0.00 0.00 15:57:01 veth6d770e60 1.40 1.45 0.11 0.16 0.00 0.00 0.00 0.00 15:57:01 vethad9dcc24 0.12 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:57:01 ens3 70.49 52.77 966.52 12.74 0.00 0.00 0.00 0.00 Average: veth9a179401 2.51 2.91 0.25 0.36 0.00 0.00 0.00 0.00 Average: veth6d770e60 1.68 1.66 0.22 0.61 0.00 0.00 0.00 0.00 Average: vethad9dcc24 0.18 0.41 0.02 0.06 0.00 0.00 0.00 0.00 Average: ens3 309.25 195.10 4394.61 29.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18456) 02/19/26 _x86_64_ (8 CPU) 15:51:50 LINUX RESTART (8 CPU) 15:52:01 CPU %user %nice %system %iowait %steal %idle 15:53:01 all 11.52 0.60 3.24 2.40 0.06 82.17 15:53:01 0 8.99 4.81 2.55 6.06 0.07 77.52 15:53:01 1 13.67 0.02 2.90 1.27 0.08 82.06 15:53:01 2 9.86 0.00 4.01 1.45 0.05 84.63 15:53:01 3 12.79 0.00 3.90 2.84 0.05 80.42 15:53:01 4 16.90 0.00 3.26 3.88 0.07 75.90 15:53:01 5 9.33 0.00 2.66 1.06 0.05 86.90 15:53:01 6 7.90 0.00 3.09 0.59 0.05 88.38 15:53:01 7 12.74 0.00 3.55 2.04 0.07 81.60 15:54:01 all 41.00 0.00 7.07 3.14 0.11 48.69 15:54:01 0 43.18 0.00 7.64 5.57 0.10 43.52 15:54:01 1 39.88 0.00 6.73 2.91 0.10 50.39 15:54:01 2 42.06 0.00 6.49 3.55 0.10 47.80 15:54:01 3 41.23 0.00 7.89 2.51 0.10 48.26 15:54:01 4 40.75 0.00 6.58 2.05 0.10 50.52 15:54:01 5 39.83 0.00 7.02 3.14 0.10 49.91 15:54:01 6 42.04 0.00 7.48 3.26 0.10 47.12 15:54:01 7 39.13 0.00 6.69 2.09 0.10 51.99 15:55:01 all 36.31 0.40 5.80 0.77 0.09 56.63 15:55:01 0 38.70 1.58 5.68 0.03 0.10 53.91 15:55:01 1 38.29 0.00 7.34 1.31 0.08 52.98 15:55:01 2 36.55 0.00 5.32 0.02 0.08 58.03 15:55:01 3 34.66 1.57 5.91 0.74 0.08 57.03 15:55:01 4 35.48 0.00 5.42 0.24 0.12 58.74 15:55:01 5 34.51 0.00 5.48 0.88 0.10 59.03 15:55:01 6 37.98 0.00 5.79 1.41 0.08 54.73 15:55:01 7 34.28 0.00 5.42 1.57 0.10 58.63 15:56:01 all 8.04 0.00 3.27 0.79 0.07 87.84 15:56:01 0 10.31 0.00 3.81 2.66 0.08 83.14 15:56:01 1 7.57 0.00 2.26 0.32 0.07 89.78 15:56:01 2 8.60 0.00 2.70 0.05 0.07 88.59 15:56:01 3 5.65 0.00 3.62 0.42 0.08 90.23 15:56:01 4 5.97 0.00 3.41 0.49 0.07 90.06 15:56:01 5 5.10 0.00 2.73 0.77 0.07 91.33 15:56:01 6 9.21 0.00 2.62 0.40 0.07 87.70 15:56:01 7 11.86 0.00 5.02 1.18 0.07 81.87 15:57:01 all 11.85 0.00 1.31 0.60 0.06 86.17 15:57:01 0 5.38 0.00 1.05 0.15 0.05 93.37 15:57:01 1 16.90 0.00 1.67 1.50 0.05 79.88 15:57:01 2 13.07 0.00 1.42 0.08 0.08 85.34 15:57:01 3 14.57 0.00 1.71 1.41 0.08 82.23 15:57:01 4 5.40 0.00 1.10 0.16 0.07 93.26 15:57:01 5 15.09 0.00 1.10 0.43 0.05 83.32 15:57:01 6 10.37 0.00 1.05 0.25 0.03 88.29 15:57:01 7 14.10 0.00 1.40 0.84 0.05 83.61 Average: all 21.70 0.20 4.13 1.54 0.08 72.35 Average: 0 21.26 1.28 4.14 2.89 0.08 70.35 Average: 1 23.25 0.00 4.17 1.46 0.08 71.03 Average: 2 21.99 0.00 3.98 1.03 0.08 72.92 Average: 3 21.75 0.31 4.60 1.59 0.08 71.67 Average: 4 20.79 0.00 3.94 1.36 0.08 73.83 Average: 5 20.75 0.00 3.79 1.26 0.07 74.13 Average: 6 21.45 0.00 4.00 1.18 0.07 73.31 Average: 7 22.38 0.00 4.41 1.54 0.08 71.59