---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18493 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 1729 23935 2 6501 29980 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:a9:b6:bb brd ff:ff:ff:ff:ff:ff inet 10.30.106.225/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86036sec preferred_lft 86036sec inet6 fe80::f816:3eff:fea9:b6bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3d:76:8f:e2 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::42:3dff:fe76:8fe2/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 5a:b9:ca:56:2f:0c 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::58b9:caff:fe56:2f0c/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 6e:0d:7d:d5:e6:ab 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::6c0d:7dff:fed5:e6ab/64 scope link valid_lft forever preferred_lft forever 8: veth353250c4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:74:4f:0b:2f:e2 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7874:4fff:fe0b:2fe2/64 scope link valid_lft forever preferred_lft forever 9: vethfb2a0cc7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 76:96:ea:8a:24:64 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::7496:eaff:fe8a:2464/64 scope link valid_lft forever preferred_lft forever 10: veth993bcaa3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 4e:3f:63:a7:8d:c6 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4c3f:63ff:fea7:8dc6/64 scope link valid_lft forever preferred_lft forever 13: vetheb91e523@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 52:d4:c4:30:7a:5a brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::50d4:c4ff:fe30:7a5a/64 scope link valid_lft forever preferred_lft forever 14: vethc724ce98@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:cb:21:1b:e8:3a brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::f4cb:21ff:fe1b:e83a/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-18493) 12/07/25 _x86_64_ (8 CPU) 14:46:13 LINUX RESTART (8 CPU) 14:47:02 tps rtps wtps bread/s bwrtn/s 14:48:01 461.28 49.38 411.90 3012.78 137947.74 14:49:01 169.52 0.02 169.51 0.13 101822.90 14:50:01 134.93 3.43 131.49 466.32 71831.49 14:51:01 103.33 21.71 81.62 748.41 37177.80 14:52:01 108.13 0.65 107.48 75.99 10101.65 Average: 194.55 14.92 179.63 853.53 71555.04 14:47:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:48:01 26379364 30918416 6559856 19.92 129816 4485800 3681960 11.18 2381892 3592200 747864 14:49:01 25382184 30571452 7557036 22.94 133252 5117420 4206896 12.77 3060224 3878620 415796 14:50:01 25693560 31045768 7245660 22.00 137004 5388364 2936908 8.92 2285560 4432288 790588 14:51:01 24906008 30757120 8033212 24.39 183096 5812816 3619504 10.99 2772676 4685460 32096 14:52:01 24617004 30805752 8322216 25.27 193996 6100820 3557764 10.80 2745124 4961580 157160 Average: 25395624 30819702 7543596 22.90 155433 5381044 3600606 10.93 2649095 4310030 428701 14:47:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:48:01 lo 253.28 253.28 295.18 295.18 0.00 0.00 0.00 0.00 14:48:01 vethfb2a0cc7 0.51 1.41 0.09 0.22 0.00 0.00 0.00 0.00 14:48:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:48:01 docker0 133.57 180.77 10.73 1310.60 0.00 0.00 0.00 0.00 14:49:01 lo 13.06 13.06 4.06 4.06 0.00 0.00 0.00 0.00 14:49:01 vethfb2a0cc7 0.10 0.18 0.01 0.02 0.00 0.00 0.00 0.00 14:49:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:49:01 docker0 0.48 0.62 0.04 0.64 0.00 0.00 0.00 0.00 14:50:01 lo 17.60 17.60 4.67 4.67 0.00 0.00 0.00 0.00 14:50:01 vethfb2a0cc7 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 14:50:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 14:51:01 lo 42.31 42.31 17.54 17.54 0.00 0.00 0.00 0.00 14:51:01 vethfb2a0cc7 0.08 0.18 0.01 0.02 0.00 0.00 0.00 0.00 14:51:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:52:01 lo 20.78 20.78 5.25 5.25 0.00 0.00 0.00 0.00 14:52:01 vethfb2a0cc7 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 14:52:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 68.79 68.79 64.57 64.57 0.00 0.00 0.00 0.00 Average: vethfb2a0cc7 0.19 0.41 0.02 0.06 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: docker0 26.46 35.81 2.12 258.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18493) 12/07/25 _x86_64_ (8 CPU) 14:46:13 LINUX RESTART (8 CPU) 14:47:02 CPU %user %nice %system %iowait %steal %idle 14:48:01 all 26.27 0.12 6.89 7.29 0.09 59.34 14:48:01 0 26.47 0.94 7.11 10.71 0.09 54.69 14:48:01 1 27.15 0.00 7.01 2.86 0.09 62.89 14:48:01 2 26.11 0.00 6.51 2.95 0.09 64.35 14:48:01 3 25.83 0.00 7.33 17.35 0.09 49.41 14:48:01 4 26.49 0.00 7.48 3.50 0.09 62.44 14:48:01 5 26.19 0.00 6.23 12.63 0.09 54.87 14:48:01 6 26.29 0.00 6.94 5.63 0.10 61.04 14:48:01 7 25.59 0.00 6.50 2.75 0.10 65.05 14:49:01 all 43.64 0.00 5.71 3.54 0.10 47.00 14:49:01 0 39.84 0.00 5.47 0.34 0.10 54.25 14:49:01 1 43.13 0.00 5.49 7.92 0.12 43.35 14:49:01 2 47.48 0.00 5.49 5.17 0.10 41.75 14:49:01 3 39.38 0.00 5.26 3.32 0.10 51.95 14:49:01 4 43.42 0.00 5.25 0.05 0.10 51.17 14:49:01 5 44.75 0.00 5.98 4.65 0.12 44.51 14:49:01 6 45.40 0.00 6.30 2.09 0.12 46.09 14:49:01 7 45.73 0.00 6.39 4.83 0.12 42.92 14:50:01 all 20.42 0.22 4.70 4.78 0.08 69.80 14:50:01 0 20.54 0.00 4.72 0.89 0.08 73.76 14:50:01 1 20.86 0.00 5.30 0.37 0.08 73.39 14:50:01 2 22.20 0.00 4.68 14.06 0.07 58.99 14:50:01 3 19.09 0.00 4.87 8.75 0.08 67.21 14:50:01 4 19.42 0.00 4.05 7.48 0.08 68.96 14:50:01 5 19.00 1.76 5.18 3.04 0.07 70.96 14:50:01 6 18.62 0.00 4.01 0.49 0.07 76.82 14:50:01 7 23.57 0.00 4.83 3.16 0.08 68.35 14:51:01 all 5.82 0.00 2.42 2.12 0.07 89.57 14:51:01 0 8.97 0.00 2.63 0.79 0.05 87.56 14:51:01 1 3.70 0.00 2.80 1.22 0.07 92.21 14:51:01 2 3.94 0.00 1.61 2.65 0.07 91.73 14:51:01 3 5.19 0.00 1.95 0.25 0.08 92.52 14:51:01 4 4.46 0.00 3.82 8.65 0.07 82.99 14:51:01 5 5.54 0.00 1.91 1.36 0.07 91.12 14:51:01 6 6.33 0.00 1.94 0.24 0.08 91.41 14:51:01 7 8.45 0.00 2.74 1.78 0.08 86.94 14:52:01 all 11.79 0.00 1.23 0.93 0.07 85.98 14:52:01 0 17.26 0.00 1.67 0.75 0.07 80.25 14:52:01 1 29.90 0.00 2.11 3.26 0.08 64.65 14:52:01 2 9.16 0.00 1.49 1.34 0.07 87.95 14:52:01 3 6.65 0.00 0.95 0.05 0.07 92.29 14:52:01 4 9.53 0.00 1.00 0.17 0.05 89.25 14:52:01 5 3.99 0.00 0.86 0.81 0.07 94.28 14:52:01 6 13.52 0.00 0.99 1.00 0.07 84.42 14:52:01 7 4.33 0.00 0.77 0.08 0.07 94.75 Average: all 21.55 0.07 4.18 3.71 0.08 70.41 Average: 0 22.59 0.19 4.31 2.67 0.08 70.18 Average: 1 24.91 0.00 4.52 3.12 0.09 67.35 Average: 2 21.75 0.00 3.94 5.24 0.08 68.99 Average: 3 19.16 0.00 4.05 5.88 0.08 70.83 Average: 4 20.64 0.00 4.30 3.96 0.08 71.01 Average: 5 19.85 0.35 4.02 4.46 0.08 71.24 Average: 6 22.01 0.00 4.02 1.87 0.09 72.02 Average: 7 21.50 0.00 4.23 2.52 0.09 71.65