---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17932 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 1661 24025 2 6480 30049 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:e3:22:30 brd ff:ff:ff:ff:ff:ff inet 10.30.106.38/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86024sec preferred_lft 86024sec inet6 fe80::f816:3eff:fee3:2230/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:52:b0:4f 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::42:14ff:fe52:b04f/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 42:a7:f0:4b:cd:41 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::40a7:f0ff:fe4b:cd41/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether c2:08:87:99:fb:7e 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::c008:87ff:fe99:fb7e/64 scope link valid_lft forever preferred_lft forever 8: vethb3150dc2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 72:6a:d9:4d:9d:31 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::706a:d9ff:fe4d:9d31/64 scope link valid_lft forever preferred_lft forever 9: veth0f0f8a5c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether b6:82:6c:e0:19:ed brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::b482:6cff:fee0:19ed/64 scope link valid_lft forever preferred_lft forever 10: vethcaf41e1e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:21:8d:17:99:35 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f421:8dff:fe17:9935/64 scope link valid_lft forever preferred_lft forever 13: vethd8df4e3b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f2:b0:83:ea:a3:cf brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::f0b0:83ff:feea:a3cf/64 scope link valid_lft forever preferred_lft forever 14: vethea770db0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 42:eb:cb:23:e4:78 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::40eb:cbff:fe23:e478/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17932) 12/05/25 _x86_64_ (8 CPU) 10:36:26 LINUX RESTART (8 CPU) 10:37:00 tps rtps wtps bread/s bwrtn/s 10:38:01 491.80 115.67 376.13 6261.11 131865.18 10:39:01 387.25 3.75 383.51 365.88 146595.53 10:40:01 65.84 3.22 62.62 435.79 50988.30 10:41:01 130.83 2.25 128.58 99.58 61163.94 10:42:01 103.50 20.35 83.15 762.01 10030.73 Average: 236.69 29.33 207.36 1600.21 80301.08 10:37:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:38:01 27780880 31077024 5158340 15.66 72352 3489876 2689888 8.17 1901244 2834916 1053144 10:39:01 25517964 30335764 7421256 22.53 130652 4783764 3595840 10.92 2947084 3865204 359056 10:40:01 26470056 31003816 6469164 19.64 132700 4605012 2632856 7.99 2286432 3689412 210564 10:41:01 25222828 30866812 7716392 23.43 179956 5621872 3501096 10.63 2646480 4508944 2908 10:42:01 24761132 30794392 8178088 24.83 189776 5967136 3535288 10.73 2751980 4828852 145612 Average: 25950572 30815562 6988648 21.22 141087 4893532 3190994 9.69 2506644 3945466 354257 10:37:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:38:01 ens3 639.11 435.59 9645.08 92.64 0.00 0.00 0.00 0.00 10:38:01 veth0f0f8a5c 0.44 0.92 0.09 0.18 0.00 0.00 0.00 0.00 10:38:01 lo 166.67 166.67 87.43 87.43 0.00 0.00 0.00 0.00 10:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:01 ens3 193.94 152.58 2085.94 15.82 0.00 0.00 0.00 0.00 10:39:01 veth0f0f8a5c 0.13 0.52 0.01 0.04 0.00 0.00 0.00 0.00 10:39:01 vethd8df4e3b 0.15 0.52 0.01 0.04 0.00 0.00 0.00 0.00 10:39:01 lo 89.00 89.00 201.96 201.96 0.00 0.00 0.00 0.00 10:40:01 ens3 27.80 18.20 604.01 2.51 0.00 0.00 0.00 0.00 10:40:01 veth0f0f8a5c 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 10:40:01 vethd8df4e3b 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 14.03 14.03 4.20 4.20 0.00 0.00 0.00 0.00 10:41:01 ens3 325.60 201.00 7099.01 17.14 0.00 0.00 0.00 0.00 10:41:01 veth0f0f8a5c 0.10 0.17 0.01 0.02 0.00 0.00 0.00 0.00 10:41:01 vethd8df4e3b 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:41:01 lo 24.86 24.86 7.59 7.59 0.00 0.00 0.00 0.00 10:42:01 ens3 95.77 66.12 1298.73 12.37 0.00 0.00 0.00 0.00 10:42:01 veth0f0f8a5c 0.08 0.17 0.01 0.02 0.00 0.00 0.00 0.00 10:42:01 vethd8df4e3b 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 10:42:01 lo 39.48 39.48 15.27 15.27 0.00 0.00 0.00 0.00 Average: ens3 257.70 175.56 4164.57 28.31 0.00 0.00 0.00 0.00 Average: veth0f0f8a5c 0.18 0.39 0.02 0.06 0.00 0.00 0.00 0.00 Average: vethd8df4e3b 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 67.14 67.14 63.37 63.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17932) 12/05/25 _x86_64_ (8 CPU) 10:36:26 LINUX RESTART (8 CPU) 10:37:00 CPU %user %nice %system %iowait %steal %idle 10:38:01 all 13.04 0.60 3.72 5.70 0.07 76.86 10:38:01 0 11.97 0.00 3.48 18.24 0.07 66.24 10:38:01 1 12.66 3.13 4.95 4.14 0.07 75.07 10:38:01 2 12.21 1.64 4.00 1.27 0.07 80.81 10:38:01 3 17.10 0.00 3.72 1.29 0.08 77.81 10:38:01 4 10.41 0.00 3.19 12.71 0.05 73.64 10:38:01 5 14.59 0.00 2.99 3.17 0.07 79.19 10:38:01 6 12.30 0.00 3.48 0.74 0.08 83.39 10:38:01 7 13.12 0.00 3.92 4.10 0.07 78.79 10:39:01 all 36.19 0.00 5.60 6.25 0.13 51.83 10:39:01 0 35.41 0.00 5.54 10.08 0.14 48.84 10:39:01 1 35.42 0.00 6.23 7.38 0.12 50.85 10:39:01 2 36.13 0.00 5.14 3.61 0.12 55.00 10:39:01 3 34.67 0.00 5.08 5.51 0.15 54.59 10:39:01 4 37.30 0.00 5.29 10.63 0.15 46.63 10:39:01 5 37.18 0.00 5.74 2.94 0.15 54.00 10:39:01 6 34.70 0.00 5.57 2.97 0.12 56.64 10:39:01 7 38.77 0.00 6.20 6.85 0.14 48.05 10:40:01 all 29.14 0.22 4.64 3.91 0.11 61.99 10:40:01 0 28.80 0.00 4.76 8.83 0.12 57.49 10:40:01 1 28.48 0.00 4.61 1.65 0.10 65.16 10:40:01 2 31.53 0.00 4.51 8.72 0.12 55.12 10:40:01 3 27.19 0.00 4.20 0.17 0.12 68.33 10:40:01 4 28.44 0.00 4.73 4.43 0.10 62.30 10:40:01 5 30.11 0.00 4.12 3.11 0.08 62.58 10:40:01 6 28.31 1.73 5.47 0.42 0.08 63.99 10:40:01 7 30.28 0.00 4.73 3.88 0.08 61.03 10:41:01 all 5.54 0.00 3.04 4.53 0.10 86.79 10:41:01 0 5.51 0.00 2.97 2.91 0.10 88.51 10:41:01 1 4.94 0.00 3.26 1.79 0.07 89.94 10:41:01 2 4.26 0.00 2.96 2.56 0.13 90.09 10:41:01 3 6.10 0.00 3.40 1.16 0.10 89.25 10:41:01 4 4.91 0.00 2.65 0.47 0.08 91.88 10:41:01 5 5.22 0.00 2.91 15.38 0.08 76.39 10:41:01 6 4.00 0.00 3.67 0.15 0.08 92.09 10:41:01 7 9.44 0.00 2.42 11.84 0.15 76.15 10:42:01 all 10.14 0.00 1.42 1.18 0.07 87.19 10:42:01 0 8.48 0.00 1.54 0.80 0.08 89.10 10:42:01 1 3.96 0.00 1.05 0.40 0.07 94.53 10:42:01 2 7.95 0.00 1.45 0.40 0.07 90.14 10:42:01 3 17.50 0.00 1.59 1.73 0.08 79.09 10:42:01 4 7.21 0.00 1.54 4.21 0.10 86.94 10:42:01 5 6.46 0.00 1.17 0.63 0.05 91.68 10:42:01 6 20.19 0.00 1.84 0.57 0.05 77.35 10:42:01 7 9.47 0.00 1.24 0.64 0.08 88.57 Average: all 18.77 0.16 3.68 4.31 0.10 72.98 Average: 0 18.00 0.00 3.65 8.21 0.10 70.04 Average: 1 17.03 0.63 4.01 3.06 0.08 75.18 Average: 2 18.38 0.33 3.61 3.30 0.10 74.27 Average: 3 20.47 0.00 3.60 1.96 0.11 73.86 Average: 4 17.62 0.00 3.48 6.50 0.10 72.30 Average: 5 18.63 0.00 3.37 5.04 0.09 72.87 Average: 6 19.85 0.34 4.00 0.97 0.08 74.76 Average: 7 20.16 0.00 3.70 5.45 0.10 70.59