---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1820 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 49M 49M 0 100% /snap/snapd/25935 /dev/loop1 67M 67M 0 100% /snap/core24/1349 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1587 23992 2 6586 30122 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:c7:df:5a brd ff:ff:ff:ff:ff:ff inet 10.30.106.162/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86065sec preferred_lft 86065sec inet6 fe80::f816:3eff:fec7:df5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:12:37:f2:3d 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::42:12ff:fe37:f23d/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether b2:4c:06:b6:ec:12 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::b04c:6ff:feb6:ec12/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 7e:d0:00:d4:a4:e1 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::7cd0:ff:fed4:a4e1/64 scope link valid_lft forever preferred_lft forever 8: veth3c995510@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 32:45:20:ce:ae:a1 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3045:20ff:fece:aea1/64 scope link valid_lft forever preferred_lft forever 9: veth06382035@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7e:e2:d0:15:fb:21 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::7ce2:d0ff:fe15:fb21/64 scope link valid_lft forever preferred_lft forever 10: veth6dde5f61@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether fe:f5:c7:50:97:5c brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::fcf5:c7ff:fe50:975c/64 scope link valid_lft forever preferred_lft forever 13: veth027b72fe@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:9c:7a:0b:c0:0f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b89c:7aff:fe0b:c00f/64 scope link valid_lft forever preferred_lft forever 14: veth106221ea@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 86:74:6b:a6:33:32 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8474:6bff:fea6:3332/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1820) 03/04/26 _x86_64_ (8 CPU) 17:31:15 LINUX RESTART (8 CPU) 17:32:01 tps rtps wtps bread/s bwrtn/s 17:33:01 487.82 82.85 404.97 3679.92 140584.04 17:34:01 201.47 0.00 201.47 0.00 89115.15 17:35:01 196.85 3.90 192.95 524.85 111556.07 17:36:01 107.88 21.98 85.90 779.60 12515.25 Average: 248.50 27.18 221.32 1246.09 88442.63 17:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:33:01 26178756 30802704 6760456 20.52 130352 4609152 3815972 11.58 2493980 3675244 749208 17:34:01 24916996 30973108 8022216 24.35 135816 5974024 3095668 9.40 3059304 4312080 980532 17:35:01 25414252 30934088 7524960 22.84 140692 5536208 3789060 11.50 2400744 4574592 1520 17:36:01 24749988 30894672 8189224 24.86 189440 6076944 3561424 10.81 2650216 4939776 161172 Average: 25314998 30901143 7624214 23.15 149075 5549082 3565531 10.82 2651061 4375423 473108 17:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:33:01 veth6dde5f61 0.53 1.32 0.09 0.21 0.00 0.00 0.00 0.00 17:33:01 veth88a34fa 180.37 254.59 16.43 1610.03 0.00 0.00 0.00 0.13 17:33:01 cni0 46.13 42.48 43.86 119.71 0.00 0.00 0.87 0.00 17:33:01 veth3c995510 2.23 3.07 0.29 0.71 0.00 0.00 0.00 0.00 17:34:01 veth6dde5f61 0.15 0.23 0.01 0.02 0.00 0.00 0.00 0.00 17:34:01 veth88a34fa 4.80 5.12 0.41 18.87 0.00 0.00 0.00 0.00 17:34:01 cni0 10.76 12.10 2.70 1.98 0.00 0.00 0.12 0.00 17:34:01 veth3c995510 2.83 3.13 0.26 0.27 0.00 0.00 0.00 0.00 17:35:01 veth6dde5f61 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 17:35:01 cni0 11.76 13.28 3.02 2.18 0.00 0.00 0.07 0.00 17:35:01 veth3c995510 3.03 3.43 0.28 0.29 0.00 0.00 0.00 0.00 17:35:01 veth06382035 18.73 22.81 7.29 5.94 0.00 0.00 0.00 0.00 17:36:01 veth6dde5f61 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 17:36:01 cni0 12.36 13.96 3.06 2.94 0.00 0.00 0.12 0.00 17:36:01 veth3c995510 3.10 3.55 0.29 0.40 0.00 0.00 0.00 0.00 17:36:01 veth06382035 7.35 8.80 2.80 1.99 0.00 0.00 0.00 0.00 Average: veth6dde5f61 0.24 0.49 0.03 0.07 0.00 0.00 0.00 0.00 Average: cni0 20.25 20.45 13.16 31.70 0.00 0.00 0.29 0.00 Average: veth3c995510 2.80 3.30 0.28 0.42 0.00 0.00 0.00 0.00 Average: veth06382035 6.52 7.90 2.52 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1820) 03/04/26 _x86_64_ (8 CPU) 17:31:15 LINUX RESTART (8 CPU) 17:32:01 CPU %user %nice %system %iowait %steal %idle 17:33:01 all 21.43 0.42 6.30 4.52 0.11 67.21 17:33:01 0 20.81 0.00 6.34 4.68 0.12 68.05 17:33:01 1 18.71 0.00 6.29 3.84 0.12 71.05 17:33:01 2 20.04 0.00 5.97 3.80 0.12 70.06 17:33:01 3 22.17 3.32 6.60 2.22 0.10 65.58 17:33:01 4 23.44 0.02 6.27 2.81 0.12 67.34 17:33:01 5 20.98 0.00 6.91 9.68 0.10 62.32 17:33:01 6 25.02 0.00 6.37 4.90 0.10 63.61 17:33:01 7 20.30 0.00 5.68 4.25 0.10 69.67 17:34:01 all 58.12 0.00 7.23 0.76 0.13 33.75 17:34:01 0 61.48 0.00 7.68 0.89 0.13 29.81 17:34:01 1 56.31 0.00 7.24 0.71 0.12 35.62 17:34:01 2 58.78 0.00 7.46 1.67 0.12 31.98 17:34:01 3 60.07 0.00 7.75 0.93 0.13 31.11 17:34:01 4 55.95 0.00 6.76 0.37 0.17 36.75 17:34:01 5 56.96 0.00 7.08 0.71 0.13 35.11 17:34:01 6 59.52 0.00 7.48 0.61 0.13 32.26 17:34:01 7 55.89 0.00 6.41 0.22 0.12 37.37 17:35:01 all 8.15 0.23 3.09 2.96 0.08 85.49 17:35:01 0 7.58 1.79 3.60 1.67 0.10 85.26 17:35:01 1 8.38 0.00 2.87 2.50 0.08 86.17 17:35:01 2 7.17 0.00 2.87 4.79 0.08 85.08 17:35:01 3 8.47 0.00 3.17 6.64 0.08 81.64 17:35:01 4 8.03 0.00 2.84 4.46 0.08 84.58 17:35:01 5 11.66 0.02 2.64 0.12 0.08 85.47 17:35:01 6 7.40 0.00 2.92 2.55 0.07 87.06 17:35:01 7 6.54 0.00 3.79 0.93 0.08 88.65 17:36:01 all 8.41 0.00 2.35 0.66 0.08 88.50 17:36:01 0 6.55 0.00 1.91 0.30 0.07 91.17 17:36:01 1 4.31 0.00 2.74 1.13 0.07 91.76 17:36:01 2 10.46 0.00 1.91 0.18 0.08 87.36 17:36:01 3 8.30 0.00 1.89 1.08 0.10 88.63 17:36:01 4 8.86 0.00 2.87 0.52 0.07 87.68 17:36:01 5 9.01 0.00 2.67 0.54 0.07 87.72 17:36:01 6 13.58 0.00 2.45 0.52 0.10 83.36 17:36:01 7 6.17 0.00 2.42 1.04 0.07 90.30 Average: all 24.02 0.16 4.74 2.22 0.10 68.75 Average: 0 24.08 0.45 4.88 1.88 0.11 68.61 Average: 1 21.93 0.00 4.78 2.04 0.10 71.15 Average: 2 24.11 0.00 4.55 2.61 0.10 68.64 Average: 3 24.73 0.83 4.85 2.72 0.11 66.76 Average: 4 24.06 0.00 4.68 2.04 0.11 69.10 Average: 5 24.63 0.00 4.82 2.75 0.10 67.70 Average: 6 26.37 0.00 4.80 2.14 0.10 66.59 Average: 7 22.25 0.00 4.58 1.61 0.09 71.47