---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17974 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 24009 2 6496 30048 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:db:0b:05 brd ff:ff:ff:ff:ff:ff inet 10.30.107.112/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86044sec preferred_lft 86044sec inet6 fe80::f816:3eff:fedb:b05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0b:6f:0d:59 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:bff:fe6f:d59/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 32:7e:ea:8c:d4:57 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::307e:eaff:fe8c:d457/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether da:20:c8:f9:7d:37 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::d820:c8ff:fef9:7d37/64 scope link valid_lft forever preferred_lft forever 8: vethcc73a982@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether aa:16:70:2b:de:23 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::a816:70ff:fe2b:de23/64 scope link valid_lft forever preferred_lft forever 9: veth22aae462@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 5e:76:40:af:ce:6a brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5c76:40ff:feaf:ce6a/64 scope link valid_lft forever preferred_lft forever 10: vethac65b5f3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether d2:94:b2:ba:c2:33 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::d094:b2ff:feba:c233/64 scope link valid_lft forever preferred_lft forever 13: veth034777fb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8a:9f:c0:9a:39:03 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::889f:c0ff:fe9a:3903/64 scope link valid_lft forever preferred_lft forever 14: veth207daa5d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f2:76:a9:3b:54:8e brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::f076:a9ff:fe3b:548e/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-17974) 12/05/25 _x86_64_ (8 CPU) 12:10:22 LINUX RESTART (8 CPU) 12:11:02 tps rtps wtps bread/s bwrtn/s 12:12:01 344.20 82.70 261.50 3503.54 128196.03 12:13:01 293.33 3.63 289.70 374.07 101415.90 12:14:01 139.62 3.30 136.32 442.79 94355.35 12:15:01 116.93 19.95 96.98 740.41 39748.98 12:16:01 116.03 2.50 113.53 91.72 11094.42 Average: 201.54 22.21 179.33 1022.22 74784.78 12:11:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:12:01 27649308 31072824 5289912 16.06 78888 3591796 2486728 7.55 1923416 2929608 532 12:13:01 25322344 30229848 7616876 23.12 131316 4862860 3732356 11.33 3061316 3947788 445960 12:14:01 25872988 30986972 7066232 21.45 134220 5167212 2666428 8.09 2311104 4243544 39804 12:15:01 24952992 30802984 7986228 24.25 181820 5814160 3567884 10.83 2725392 4685116 33972 12:16:01 24595988 30770248 8343232 25.33 190208 6092164 3566068 10.83 2779712 4949904 121780 Average: 25678724 30772575 7260496 22.04 143290 5105638 3203893 9.73 2560188 4151192 128410 12:11:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:12:01 veth3d2b628d 16.56 14.35 25.48 36.20 0.00 0.00 0.00 0.00 12:12:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 cni0 22.10 18.79 26.47 42.31 0.00 0.00 0.59 0.00 12:12:01 vethbfa69fc8 1.53 2.27 0.25 4.70 0.00 0.00 0.00 0.00 12:13:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:13:01 cni0 28.75 29.30 15.20 72.66 0.00 0.00 0.37 0.00 12:13:01 veth5f8894e 124.55 172.97 11.90 1289.88 0.00 0.00 0.00 0.11 12:13:01 ens3 1073.05 720.45 12009.59 118.87 0.00 0.00 0.00 0.00 12:14:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:14:01 cni0 11.56 13.13 3.00 2.16 0.00 0.00 0.07 0.00 12:14:01 ens3 28.34 18.16 603.44 2.16 0.00 0.00 0.00 0.00 12:14:01 vethac65b5f3 0.73 1.62 0.11 0.24 0.00 0.00 0.00 0.00 12:15:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:15:01 cni0 12.31 13.61 3.06 2.61 0.00 0.00 0.15 0.00 12:15:01 ens3 319.66 207.82 7649.01 19.77 0.00 0.00 0.00 0.00 12:15:01 vethac65b5f3 0.10 0.25 0.01 0.02 0.00 0.00 0.00 0.00 12:16:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:16:01 cni0 11.86 13.16 3.02 2.41 0.00 0.00 0.03 0.00 12:16:01 ens3 79.62 58.72 981.85 12.20 0.00 0.00 0.00 0.00 12:16:01 vethac65b5f3 0.13 0.13 0.01 0.01 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: cni0 17.30 17.60 10.10 24.37 0.00 0.00 0.24 0.00 Average: ens3 248.71 165.04 4101.23 19.18 0.00 0.00 0.00 0.00 Average: vethac65b5f3 0.19 0.40 0.02 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17974) 12/05/25 _x86_64_ (8 CPU) 12:10:22 LINUX RESTART (8 CPU) 12:11:02 CPU %user %nice %system %iowait %steal %idle 12:12:01 all 12.08 0.65 4.41 8.90 0.08 73.88 12:12:01 0 10.85 3.54 5.00 12.02 0.09 68.51 12:12:01 1 14.31 0.02 5.33 12.89 0.07 67.39 12:12:01 2 11.84 0.00 4.42 3.39 0.07 80.28 12:12:01 3 9.70 0.00 3.54 13.61 0.05 73.10 12:12:01 4 9.22 0.00 4.19 24.09 0.10 62.39 12:12:01 5 16.07 0.00 4.06 1.33 0.10 78.44 12:12:01 6 13.58 0.00 4.89 2.92 0.07 78.54 12:12:01 7 11.08 1.62 3.84 1.09 0.10 82.27 12:13:01 all 40.30 0.00 6.03 4.70 0.10 48.88 12:13:01 0 40.60 0.00 5.94 5.03 0.10 48.32 12:13:01 1 38.61 0.00 6.10 1.45 0.08 53.75 12:13:01 2 39.10 0.00 6.05 3.18 0.10 51.56 12:13:01 3 41.60 0.00 5.87 1.70 0.10 50.73 12:13:01 4 38.62 0.00 5.81 2.75 0.08 52.73 12:13:01 5 39.00 0.00 5.51 13.77 0.10 41.62 12:13:01 6 43.45 0.00 6.88 7.46 0.12 42.10 12:13:01 7 41.39 0.00 6.03 2.26 0.10 50.22 12:14:01 all 31.02 0.21 5.35 3.29 0.09 60.03 12:14:01 0 31.84 1.58 5.51 4.58 0.08 56.41 12:14:01 1 33.52 0.02 5.00 1.80 0.10 59.56 12:14:01 2 29.44 0.00 5.03 0.57 0.08 64.88 12:14:01 3 28.76 0.08 6.24 0.19 0.08 64.64 12:14:01 4 33.13 0.00 5.85 5.97 0.12 54.93 12:14:01 5 29.21 0.00 5.21 11.73 0.10 53.74 12:14:01 6 31.35 0.00 5.06 1.29 0.10 62.20 12:14:01 7 30.94 0.00 4.89 0.19 0.07 63.92 12:15:01 all 6.86 0.00 3.05 1.90 0.08 88.11 12:15:01 0 6.17 0.00 2.76 0.79 0.07 90.21 12:15:01 1 5.45 0.00 2.45 1.42 0.07 90.61 12:15:01 2 6.56 0.00 3.34 0.30 0.08 89.72 12:15:01 3 6.66 0.00 4.80 0.86 0.08 87.60 12:15:01 4 6.47 0.00 2.03 1.01 0.08 90.41 12:15:01 5 8.90 0.00 3.31 1.09 0.08 86.61 12:15:01 6 5.57 0.00 2.78 6.25 0.07 85.33 12:15:01 7 9.09 0.00 2.95 3.55 0.08 84.33 12:16:01 all 11.89 0.00 1.28 0.67 0.08 86.08 12:16:01 0 7.30 0.00 0.72 0.12 0.07 91.80 12:16:01 1 7.60 0.00 0.97 0.13 0.10 91.20 12:16:01 2 16.59 0.00 1.77 1.27 0.07 80.30 12:16:01 3 18.40 0.00 1.87 0.17 0.10 79.46 12:16:01 4 10.48 0.00 1.36 2.96 0.08 85.11 12:16:01 5 14.27 0.00 1.12 0.12 0.12 84.37 12:16:01 6 17.14 0.00 1.62 0.60 0.05 80.59 12:16:01 7 3.34 0.00 0.82 0.02 0.07 95.76 Average: all 20.44 0.17 4.02 3.87 0.09 71.42 Average: 0 19.36 1.01 3.97 4.47 0.08 71.11 Average: 1 19.88 0.01 3.96 3.50 0.08 72.57 Average: 2 20.74 0.00 4.12 1.74 0.08 73.32 Average: 3 21.06 0.02 4.46 3.26 0.08 71.12 Average: 4 19.60 0.00 3.84 7.29 0.09 69.17 Average: 5 21.48 0.00 3.84 5.60 0.10 68.98 Average: 6 22.23 0.00 4.24 3.70 0.08 69.76 Average: 7 19.15 0.32 3.70 1.42 0.08 75.33