---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18962 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 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 1596 23973 2 6597 30114 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:e9:ca:6b brd ff:ff:ff:ff:ff:ff inet 10.30.106.227/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86079sec preferred_lft 86079sec inet6 fe80::f816:3eff:fee9:ca6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:98:1c:c3:38 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::42:98ff:fe1c:c338/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether aa:37:00:c6:49:03 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::a837:ff:fec6:4903/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 92:bf:8e:9c:e1:81 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::90bf:8eff:fe9c:e181/64 scope link valid_lft forever preferred_lft forever 8: veth6fbe1e38@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f6:f5:c7:d4:24:ac brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f4f5:c7ff:fed4:24ac/64 scope link valid_lft forever preferred_lft forever 9: vethd5015659@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 36:a9:a8:c7:22:cb brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::34a9:a8ff:fec7:22cb/64 scope link valid_lft forever preferred_lft forever 10: veth9f095096@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 5a:71:f9:81:50:f6 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5871:f9ff:fe81:50f6/64 scope link valid_lft forever preferred_lft forever 13: veth6f05d4e3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 42:00:1b:54:d3:68 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::4000:1bff:fe54:d368/64 scope link valid_lft forever preferred_lft forever 14: veth94983a57@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 56:9f:df:5a:10:69 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::549f:dfff:fe5a:1069/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18962) 12/09/25 _x86_64_ (8 CPU) 08:42:54 LINUX RESTART (8 CPU) 08:43:01 tps rtps wtps bread/s bwrtn/s 08:44:01 437.66 133.16 304.50 7996.53 105957.54 08:45:01 560.79 4.45 556.34 398.60 129573.60 08:46:01 207.18 3.32 203.87 453.26 122058.06 08:47:01 128.55 21.73 106.82 748.28 60437.26 08:48:01 139.81 1.18 138.63 77.05 11065.22 Average: 294.80 32.77 262.03 1934.74 85818.34 08:43:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:44:01 29175704 31378356 3763516 11.43 50948 2453768 2071216 6.29 1540116 1893612 266772 08:45:01 25774700 30816060 7164520 21.75 134692 4991384 3142788 9.54 2446056 4097492 535144 08:46:01 26439524 31078024 6499696 19.73 138704 4689784 2447948 7.43 2221124 3767380 468 08:47:01 24923620 30872500 8015600 24.33 188960 5900260 3506196 10.64 2663136 4772876 32500 08:48:01 24595856 30882240 8343364 25.33 200244 6187512 3557484 10.80 2673540 5048064 129892 Average: 26181881 31005436 6757339 20.51 142710 4844542 2945126 8.94 2308794 3915885 192955 08:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:44:01 ens3 561.96 377.10 6445.18 81.88 0.00 0.00 0.00 0.00 08:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 lo 113.08 113.08 49.45 49.45 0.00 0.00 0.00 0.00 08:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 veth80321f5 140.36 194.13 13.66 1568.56 0.00 0.00 0.00 0.13 08:45:01 veth6f05d4e3 0.15 0.48 0.01 0.04 0.00 0.00 0.00 0.00 08:45:01 ens3 394.18 243.49 6277.47 27.88 0.00 0.00 0.00 0.00 08:46:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 veth6f05d4e3 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:46:01 ens3 33.53 22.78 621.50 2.88 0.00 0.00 0.00 0.00 08:46:01 veth9f095096 13.31 16.21 5.11 4.58 0.00 0.00 0.00 0.00 08:47:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 veth6f05d4e3 0.02 0.18 0.00 0.01 0.00 0.00 0.00 0.00 08:47:01 ens3 366.82 219.25 7664.47 20.41 0.00 0.00 0.00 0.00 08:47:01 veth9f095096 7.23 8.57 2.79 1.83 0.00 0.00 0.00 0.00 08:48:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 veth6f05d4e3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 ens3 69.44 52.94 971.49 12.14 0.00 0.00 0.00 0.00 08:48:01 veth9f095096 7.35 8.27 2.79 1.78 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: veth6f05d4e3 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: ens3 285.19 183.11 4396.02 29.04 0.00 0.00 0.00 0.00 Average: veth9f095096 5.58 6.61 2.14 1.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18962) 12/09/25 _x86_64_ (8 CPU) 08:42:54 LINUX RESTART (8 CPU) 08:43:01 CPU %user %nice %system %iowait %steal %idle 08:44:01 all 9.13 0.79 2.40 2.48 0.05 85.15 08:44:01 0 7.46 0.00 2.71 1.98 0.07 87.78 08:44:01 1 7.15 0.00 2.80 2.48 0.05 87.53 08:44:01 2 14.24 0.00 2.16 1.36 0.05 82.20 08:44:01 3 9.42 0.00 1.71 0.69 0.03 88.16 08:44:01 4 10.93 4.72 3.35 7.41 0.05 73.54 08:44:01 5 7.07 0.02 2.13 2.42 0.05 88.31 08:44:01 6 8.23 0.00 1.77 2.46 0.05 87.49 08:44:01 7 8.54 1.54 2.56 1.09 0.07 86.22 08:45:01 all 41.97 0.00 7.43 3.10 0.11 47.40 08:45:01 0 38.30 0.00 7.94 1.46 0.08 52.22 08:45:01 1 44.13 0.00 7.92 3.36 0.12 44.48 08:45:01 2 42.95 0.00 6.88 2.09 0.10 47.98 08:45:01 3 41.01 0.00 7.36 3.27 0.12 48.25 08:45:01 4 41.46 0.00 7.19 4.71 0.10 46.53 08:45:01 5 41.95 0.00 7.24 1.54 0.08 49.19 08:45:01 6 43.33 0.00 7.86 5.42 0.10 43.29 08:45:01 7 42.66 0.00 7.03 2.97 0.10 47.24 08:46:01 all 37.65 0.20 6.32 1.39 0.10 54.34 08:46:01 0 36.59 0.00 5.60 0.63 0.10 57.08 08:46:01 1 36.87 0.00 5.73 3.63 0.12 53.65 08:46:01 2 35.81 0.00 5.95 3.10 0.12 55.02 08:46:01 3 37.29 0.00 6.30 0.20 0.10 56.10 08:46:01 4 39.25 1.64 7.20 0.15 0.10 51.66 08:46:01 5 38.84 0.00 6.18 0.02 0.10 54.86 08:46:01 6 40.95 0.00 7.29 2.99 0.10 48.68 08:46:01 7 35.67 0.00 6.29 0.39 0.08 57.57 08:47:01 all 7.67 0.00 3.21 1.07 0.08 87.97 08:47:01 0 5.26 0.00 3.57 0.98 0.10 90.09 08:47:01 1 6.39 0.00 4.08 0.27 0.07 89.19 08:47:01 2 11.69 0.00 3.31 1.86 0.10 83.03 08:47:01 3 8.04 0.00 2.60 0.60 0.08 88.67 08:47:01 4 11.34 0.00 3.57 1.73 0.07 83.29 08:47:01 5 7.24 0.00 2.66 0.10 0.07 89.93 08:47:01 6 5.69 0.00 2.48 2.85 0.07 88.92 08:47:01 7 5.69 0.00 3.37 0.19 0.08 90.68 08:48:01 all 11.59 0.00 1.28 0.59 0.08 86.46 08:48:01 0 11.11 0.00 1.15 1.54 0.08 86.11 08:48:01 1 9.42 0.00 1.19 0.07 0.08 89.24 08:48:01 2 14.20 0.00 1.57 0.52 0.10 83.60 08:48:01 3 13.54 0.00 1.51 0.64 0.07 84.24 08:48:01 4 18.98 0.00 1.17 0.28 0.05 79.52 08:48:01 5 4.82 0.00 0.97 0.17 0.07 93.99 08:48:01 6 7.55 0.00 1.15 1.19 0.07 90.04 08:48:01 7 13.12 0.00 1.52 0.35 0.07 84.94 Average: all 21.55 0.20 4.12 1.72 0.08 72.32 Average: 0 19.74 0.00 4.19 1.32 0.09 74.66 Average: 1 20.72 0.00 4.33 1.95 0.09 72.91 Average: 2 23.74 0.00 3.97 1.78 0.09 70.41 Average: 3 21.82 0.00 3.89 1.08 0.08 73.14 Average: 4 24.33 1.27 4.48 2.86 0.07 66.99 Average: 5 19.92 0.00 3.83 0.85 0.07 75.33 Average: 6 21.08 0.00 4.10 2.97 0.08 71.78 Average: 7 21.09 0.31 4.14 0.99 0.08 73.38