---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18478 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 1610 24066 2 6490 30100 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:cc:07:4f brd ff:ff:ff:ff:ff:ff inet 10.30.106.163/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fecc:74f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c4:77:cd:92 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:c4ff:fe77:cd92/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ca:89:5f:e3:b9:76 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::c889:5fff:fee3:b976/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 4a:1d:d2:71:20:0f 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::481d:d2ff:fe71:200f/64 scope link valid_lft forever preferred_lft forever 8: veth50d7606d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e6:ae:c5:49:2a:fe brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e4ae:c5ff:fe49:2afe/64 scope link valid_lft forever preferred_lft forever 9: veth61adf128@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 1a:37:f2:ea:61:de brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::1837:f2ff:feea:61de/64 scope link valid_lft forever preferred_lft forever 10: vethccf4cb99@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 26:d3:3a:b7:71:17 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::24d3:3aff:feb7:7117/64 scope link valid_lft forever preferred_lft forever 11: veth6c9ad085@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 5a:e8:57:72:ff:69 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::58e8:57ff:fe72:ff69/64 scope link valid_lft forever preferred_lft forever 12: veth824ca75c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 02:4f:4b:99:29:f4 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::4f:4bff:fe99:29f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18478) 12/07/25 _x86_64_ (8 CPU) 13:29:03 LINUX RESTART (8 CPU) 13:30:01 tps rtps wtps bread/s bwrtn/s 13:31:01 509.18 42.56 466.62 2206.70 171974.40 13:32:01 117.41 0.02 117.39 3.47 53708.23 13:33:01 155.41 5.48 149.93 531.51 72595.77 13:34:01 94.20 20.30 73.90 752.27 9886.62 Average: 219.05 17.09 201.96 873.45 77040.28 13:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:31:01 25694364 30795444 7244856 21.99 131228 5027832 3755200 11.40 2773256 3863332 1081468 13:32:01 26874040 31084092 6065180 18.41 132540 4260180 2577768 7.83 2070828 3483008 80 13:33:01 25221220 30895488 7718000 23.43 178396 5650308 3543200 10.76 2614152 4538164 17720 13:34:01 24768508 30837712 8170712 24.81 187852 6000804 3528984 10.71 2706352 4864556 164732 Average: 25639533 30903184 7299687 22.16 157504 5234781 3351288 10.17 2541147 4187265 316000 13:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:31:01 vethccf4cb99 0.53 1.32 0.09 0.21 0.00 0.00 0.00 0.00 13:31:01 veth824ca75c 4.48 3.82 0.88 2.28 0.00 0.00 0.00 0.00 13:31:01 cni0 46.48 41.98 39.81 113.18 0.00 0.00 0.88 0.00 13:31:01 ens3 505.67 315.56 9365.60 32.19 0.00 0.00 0.00 0.00 13:32:01 vethccf4cb99 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 13:32:01 veth824ca75c 1.40 1.58 0.11 0.17 0.00 0.00 0.00 0.00 13:32:01 cni0 11.10 12.71 2.86 2.07 0.00 0.00 0.08 0.00 13:32:01 ens3 1.03 0.78 0.74 0.29 0.00 0.00 0.00 0.00 13:33:01 vethccf4cb99 0.12 0.27 0.01 0.03 0.00 0.00 0.00 0.00 13:33:01 veth824ca75c 1.45 1.73 0.12 0.27 0.00 0.00 0.00 0.00 13:33:01 cni0 12.26 13.26 3.06 2.30 0.00 0.00 0.17 0.00 13:33:01 vethc57e4c5d 0.10 0.13 0.01 0.01 0.00 0.00 0.00 0.00 13:34:01 vethccf4cb99 0.10 0.13 0.01 0.01 0.00 0.00 0.00 0.00 13:34:01 veth824ca75c 1.55 1.72 0.12 0.47 0.00 0.00 0.00 0.00 13:34:01 cni0 12.11 13.46 3.04 2.72 0.00 0.00 0.05 0.00 13:34:01 ens3 1414.03 930.89 21033.46 142.04 0.00 0.00 0.00 0.00 Average: vethccf4cb99 0.22 0.47 0.03 0.07 0.00 0.00 0.00 0.00 Average: veth824ca75c 2.22 2.21 0.31 0.80 0.00 0.00 0.00 0.00 Average: cni0 20.49 20.35 12.19 30.07 0.00 0.00 0.30 0.00 Average: ens3 240.22 153.16 4610.60 16.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18478) 12/07/25 _x86_64_ (8 CPU) 13:29:03 LINUX RESTART (8 CPU) 13:30:01 CPU %user %nice %system %iowait %steal %idle 13:31:01 all 41.34 0.00 8.67 4.14 0.11 45.75 13:31:01 0 39.84 0.00 8.76 2.23 0.12 49.04 13:31:01 1 41.23 0.00 8.84 8.27 0.10 41.56 13:31:01 2 42.55 0.00 8.58 4.16 0.10 44.61 13:31:01 3 42.54 0.00 8.28 3.61 0.10 45.47 13:31:01 4 40.10 0.00 8.91 5.13 0.12 45.74 13:31:01 5 41.31 0.00 8.51 4.41 0.10 45.68 13:31:01 6 40.81 0.00 8.66 2.07 0.13 48.32 13:31:01 7 42.32 0.00 8.80 3.23 0.10 45.55 13:32:01 all 43.81 0.00 6.35 0.56 0.09 49.18 13:32:01 0 42.79 0.00 6.04 0.03 0.08 51.05 13:32:01 1 47.24 0.00 6.50 0.00 0.10 46.15 13:32:01 2 45.46 0.00 7.78 2.02 0.10 44.64 13:32:01 3 40.23 0.00 6.08 0.00 0.08 53.61 13:32:01 4 46.03 0.00 6.68 0.40 0.08 46.80 13:32:01 5 43.35 0.00 5.69 0.02 0.08 50.86 13:32:01 6 42.47 0.00 6.22 1.60 0.10 49.61 13:32:01 7 42.89 0.00 5.81 0.47 0.10 50.73 13:33:01 all 8.00 0.26 4.63 1.21 0.08 85.82 13:33:01 0 7.94 0.00 5.73 0.69 0.07 85.58 13:33:01 1 6.80 1.62 4.75 0.42 0.07 86.34 13:33:01 2 11.59 0.00 5.36 1.82 0.08 81.15 13:33:01 3 8.00 0.00 4.92 0.91 0.07 86.11 13:33:01 4 7.18 0.00 4.24 0.28 0.10 88.19 13:33:01 5 9.20 0.19 4.82 4.34 0.08 81.37 13:33:01 6 8.72 0.00 3.64 0.13 0.08 87.42 13:33:01 7 4.61 0.22 3.60 1.06 0.08 90.42 13:34:01 all 10.69 0.00 1.40 0.51 0.08 87.32 13:34:01 0 4.46 0.00 1.00 0.08 0.05 94.41 13:34:01 1 10.09 0.00 1.42 0.23 0.10 88.15 13:34:01 2 14.46 0.00 1.29 0.35 0.08 83.81 13:34:01 3 15.37 0.00 1.87 0.55 0.08 82.13 13:34:01 4 9.37 0.00 1.28 0.52 0.08 88.74 13:34:01 5 12.49 0.00 1.25 0.38 0.07 85.80 13:34:01 6 9.77 0.00 1.79 1.73 0.10 86.61 13:34:01 7 9.51 0.00 1.26 0.22 0.05 88.97 Average: all 25.92 0.06 5.25 1.60 0.09 67.08 Average: 0 23.72 0.00 5.37 0.76 0.08 70.08 Average: 1 26.32 0.40 5.37 2.22 0.09 65.60 Average: 2 28.49 0.00 5.74 2.08 0.09 63.59 Average: 3 26.51 0.00 5.28 1.26 0.08 66.87 Average: 4 25.59 0.00 5.26 1.57 0.10 67.47 Average: 5 26.55 0.05 5.06 2.28 0.08 65.98 Average: 6 25.43 0.00 5.07 1.38 0.11 68.01 Average: 7 24.75 0.05 4.85 1.24 0.08 69.02