---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17875 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 1650 24041 2 6475 30060 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:57:81:03 brd ff:ff:ff:ff:ff:ff inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86084sec preferred_lft 86084sec inet6 fe80::f816:3eff:fe57:8103/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ce:38:01:2c 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:ceff:fe38:12c/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether d2:57:c6:7f:96:21 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::d057:c6ff:fe7f:9621/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 2e:39:54:28:00:4e 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::2c39:54ff:fe28:4e/64 scope link valid_lft forever preferred_lft forever 8: veth9066c29c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 06:aa:b6:d1:61:42 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::4aa:b6ff:fed1:6142/64 scope link valid_lft forever preferred_lft forever 9: vethdaf5b58d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 62:fe:ac:ba:dd:fc brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::60fe:acff:feba:ddfc/64 scope link valid_lft forever preferred_lft forever 10: veth5b34f4ac@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 76:78:67:25:b2:40 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::7478:67ff:fe25:b240/64 scope link valid_lft forever preferred_lft forever 13: veth8878842b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether c6:d5:84:70:1c:17 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::c4d5:84ff:fe70:1c17/64 scope link valid_lft forever preferred_lft forever 14: veth9b16c9c6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 1a:9c:d7:cd:8c:86 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::189c:d7ff:fecd:8c86/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17875) 12/05/25 _x86_64_ (8 CPU) 07:40:29 LINUX RESTART (8 CPU) 07:41:01 tps rtps wtps bread/s bwrtn/s 07:42:01 711.38 85.62 625.76 3805.53 165141.22 07:43:01 148.03 0.00 148.03 0.00 93304.98 07:44:01 170.65 5.17 165.49 525.65 95587.80 07:45:01 102.93 20.98 81.95 773.60 10153.37 Average: 283.27 27.94 255.32 1276.30 91049.93 07:41:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:42:01 26469296 30828176 6469924 19.64 127392 4321384 3821292 11.60 2384608 3506404 364532 07:43:01 25373756 30807752 7565464 22.97 132632 5355720 3734768 11.34 2942988 3991556 673088 07:44:01 25356368 30870168 7582852 23.02 150548 5522244 3702832 11.24 2585388 4444460 1944 07:45:01 24816252 30844740 8122968 24.66 187668 5963448 3474936 10.55 2699532 4827052 165116 Average: 25503918 30837709 7435302 22.57 149560 5290699 3683457 11.18 2653129 4192368 301170 07:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:42:01 veth9b16c9c6 4.15 3.27 0.88 2.14 0.00 0.00 0.00 0.00 07:42:01 cni0 42.42 38.42 38.90 112.25 0.00 0.00 0.78 0.00 07:42:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 veth9066c29c 0.47 1.35 0.09 0.21 0.00 0.00 0.00 0.00 07:43:01 veth9b16c9c6 1.55 1.77 0.12 0.39 0.00 0.00 0.00 0.00 07:43:01 cni0 11.00 12.21 2.72 2.35 0.00 0.00 0.18 0.00 07:43:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:43:01 veth9066c29c 0.15 0.28 0.01 0.02 0.00 0.00 0.00 0.00 07:44:01 veth9b16c9c6 1.42 1.52 0.11 0.17 0.00 0.00 0.00 0.00 07:44:01 cni0 12.01 12.96 3.03 2.14 0.00 0.00 0.08 0.00 07:44:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:44:01 veth9066c29c 0.15 0.20 0.01 0.02 0.00 0.00 0.00 0.00 07:45:01 veth9b16c9c6 1.50 1.83 0.12 0.57 0.00 0.00 0.00 0.00 07:45:01 cni0 12.23 13.76 3.05 2.87 0.00 0.00 0.10 0.00 07:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:45:01 veth9066c29c 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth9b16c9c6 2.15 2.10 0.31 0.81 0.00 0.00 0.00 0.00 Average: cni0 19.42 19.34 11.93 29.91 0.00 0.00 0.29 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth9066c29c 0.22 0.52 0.03 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17875) 12/05/25 _x86_64_ (8 CPU) 07:40:29 LINUX RESTART (8 CPU) 07:41:01 CPU %user %nice %system %iowait %steal %idle 07:42:01 all 18.70 0.61 5.98 4.05 0.07 70.59 07:42:01 0 16.66 0.00 5.51 3.02 0.07 74.74 07:42:01 1 19.06 0.00 6.34 2.81 0.07 71.73 07:42:01 2 22.85 1.55 5.87 2.19 0.08 67.45 07:42:01 3 18.77 3.31 6.71 4.13 0.08 67.00 07:42:01 4 15.71 0.00 5.00 4.48 0.08 74.72 07:42:01 5 18.27 0.03 6.15 4.91 0.08 70.55 07:42:01 6 17.51 0.00 6.40 6.06 0.07 69.96 07:42:01 7 20.76 0.00 5.87 4.79 0.08 68.49 07:43:01 all 53.84 0.00 6.64 0.81 0.10 38.61 07:43:01 0 50.36 0.00 5.77 0.03 0.08 43.76 07:43:01 1 53.34 0.00 6.32 0.00 0.10 40.24 07:43:01 2 53.69 0.00 6.92 0.20 0.08 39.10 07:43:01 3 52.77 0.00 6.61 0.15 0.10 40.37 07:43:01 4 52.57 0.00 7.07 2.19 0.12 38.05 07:43:01 5 57.53 0.00 6.59 1.56 0.12 34.19 07:43:01 6 54.17 0.00 6.91 0.42 0.08 38.42 07:43:01 7 56.26 0.00 6.90 1.92 0.10 34.82 07:44:01 all 10.03 0.20 3.79 1.36 0.08 84.55 07:44:01 0 9.07 0.00 3.18 2.72 0.07 84.97 07:44:01 1 9.31 0.00 3.66 0.30 0.07 86.66 07:44:01 2 10.71 1.63 4.08 1.51 0.08 81.98 07:44:01 3 10.23 0.00 4.80 2.50 0.07 82.40 07:44:01 4 10.91 0.00 3.12 0.37 0.07 85.53 07:44:01 5 13.23 0.00 4.69 0.99 0.08 81.01 07:44:01 6 7.65 0.00 3.24 1.79 0.08 87.24 07:44:01 7 9.09 0.00 3.52 0.69 0.10 86.60 07:45:01 all 9.75 0.00 1.75 0.55 0.09 87.86 07:45:01 0 5.46 0.00 1.56 0.26 0.07 92.65 07:45:01 1 4.10 0.00 1.72 0.10 0.12 93.96 07:45:01 2 11.16 0.00 2.21 2.64 0.07 83.92 07:45:01 3 12.79 0.00 1.99 0.18 0.08 84.95 07:45:01 4 4.26 0.00 1.95 0.08 0.10 93.60 07:45:01 5 4.79 0.00 1.70 0.50 0.08 92.93 07:45:01 6 30.99 0.00 1.82 0.53 0.07 66.59 07:45:01 7 4.57 0.00 1.06 0.12 0.08 94.17 Average: all 23.03 0.20 4.53 1.69 0.08 70.46 Average: 0 20.24 0.00 3.99 1.51 0.07 74.19 Average: 1 21.41 0.00 4.51 0.80 0.09 73.19 Average: 2 24.59 0.79 4.77 1.64 0.08 68.13 Average: 3 23.63 0.82 5.02 1.74 0.08 68.70 Average: 4 20.77 0.00 4.28 1.78 0.09 73.08 Average: 5 23.42 0.01 4.78 1.98 0.09 69.72 Average: 6 27.61 0.00 4.59 2.19 0.08 65.53 Average: 7 22.58 0.00 4.32 1.87 0.09 71.13