---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1356 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 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 1601 23982 2 6582 30108 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:f4:db:11 brd ff:ff:ff:ff:ff:ff inet 10.30.107.80/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86004sec preferred_lft 86004sec inet6 fe80::f816:3eff:fef4:db11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3f:6d:02:85 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::42:3fff:fe6d:285/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether be:26:4d:fc:a8:f3 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::bc26:4dff:fefc:a8f3/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 36:64:a1:8b:ec:6b 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::3464:a1ff:fe8b:ec6b/64 scope link valid_lft forever preferred_lft forever 6: veth93798f74@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9a:15:73:fd:e8:29 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::9815:73ff:fefd:e829/64 scope link valid_lft forever preferred_lft forever 7: veth8a20f867@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether aa:5d:bc:af:65:dd brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::a85d:bcff:feaf:65dd/64 scope link valid_lft forever preferred_lft forever 8: vetha90ba366@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ea:fd:0d:7e:75:69 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e8fd:dff:fe7e:7569/64 scope link valid_lft forever preferred_lft forever 13: vethf514efe3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f2:32:2e:5a:a6:1d brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::f032:2eff:fe5a:a61d/64 scope link valid_lft forever preferred_lft forever 14: veth647bfafd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:8c:36:e2:f0:bb brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::788c:36ff:fee2:f0bb/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-1356) 03/12/26 _x86_64_ (8 CPU) 07:05:20 LINUX RESTART (8 CPU) 07:06:01 tps rtps wtps bread/s bwrtn/s 07:07:01 211.74 79.53 132.21 3320.09 96344.34 07:08:01 408.95 3.05 405.90 363.75 99690.50 07:09:01 139.48 3.10 136.38 418.06 81300.85 07:10:02 133.29 2.05 131.24 93.98 67499.68 07:11:01 106.63 20.91 85.71 768.01 12408.88 Average: 200.35 21.78 178.56 995.68 71670.31 07:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:07:01 28331644 31296412 4607576 13.99 72704 3159732 2037548 6.19 1657416 2545604 102604 07:08:01 25523116 31037228 7416104 22.51 132092 5459124 2923152 8.87 2710552 4078684 1014468 07:09:01 26754424 31038656 6184796 18.78 133836 4360248 2689276 8.16 2197660 3500360 152084 07:10:02 25355176 30918808 7584044 23.02 151532 5568476 3686236 11.19 2537024 4489476 2120 07:11:01 24694220 30845280 8245000 25.03 190204 6081312 3552160 10.78 2697304 4946688 171928 Average: 26131716 31027277 6807504 20.67 136074 4925778 2977674 9.04 2359991 3912162 288641 07:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:07:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 veth93798f74 0.05 0.03 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 ens3 253.64 160.36 7253.01 12.97 0.00 0.00 0.00 0.00 07:08:01 vethf514efe3 0.15 0.43 0.01 0.03 0.00 0.00 0.00 0.00 07:08:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 vetha90ba366 0.53 1.40 0.09 0.22 0.00 0.00 0.00 0.00 07:08:01 docker0 179.89 290.04 14.06 1612.58 0.00 0.00 0.00 0.00 07:09:01 vethf514efe3 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 vetha90ba366 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 07:09:01 docker0 5.27 6.62 0.37 18.97 0.00 0.00 0.00 0.00 07:10:02 vethf514efe3 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 07:10:02 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:02 vetha90ba366 0.13 0.20 0.01 0.02 0.00 0.00 0.00 0.00 07:10:02 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 07:11:01 vethf514efe3 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:11:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:11:01 vetha90ba366 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 07:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethf514efe3 0.04 0.14 0.00 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: vetha90ba366 0.18 0.40 0.02 0.05 0.00 0.00 0.00 0.00 Average: docker0 37.13 59.49 2.89 327.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-1356) 03/12/26 _x86_64_ (8 CPU) 07:05:20 LINUX RESTART (8 CPU) 07:06:01 CPU %user %nice %system %iowait %steal %idle 07:07:01 all 9.11 0.81 3.05 8.51 0.07 78.46 07:07:01 0 15.31 0.00 3.19 0.99 0.07 80.45 07:07:01 1 6.12 0.00 2.30 1.71 0.07 89.80 07:07:01 2 7.99 0.00 2.88 13.13 0.08 75.92 07:07:01 3 9.32 0.00 3.72 15.43 0.07 71.46 07:07:01 4 8.80 1.57 2.84 4.89 0.05 81.85 07:07:01 5 9.57 1.52 3.35 1.61 0.07 83.88 07:07:01 6 6.40 0.00 2.90 19.36 0.07 71.28 07:07:01 7 9.36 3.33 3.16 11.05 0.10 73.00 07:08:01 all 39.05 0.00 6.43 9.35 0.12 45.05 07:08:01 0 42.48 0.00 7.40 15.43 0.12 34.57 07:08:01 1 31.33 0.00 5.19 3.35 0.10 60.02 07:08:01 2 40.05 0.00 6.20 8.11 0.12 45.52 07:08:01 3 40.13 0.00 6.68 9.01 0.14 44.04 07:08:01 4 39.32 0.00 7.02 6.68 0.10 46.89 07:08:01 5 39.29 0.00 5.98 11.53 0.15 43.05 07:08:01 6 39.51 0.00 6.46 9.93 0.12 43.98 07:08:01 7 40.26 0.00 6.45 10.75 0.12 42.42 07:09:01 all 35.97 0.07 5.62 3.36 0.13 54.84 07:09:01 0 32.61 0.00 5.12 5.02 0.15 57.09 07:09:01 1 31.63 0.00 4.81 0.61 0.10 62.85 07:09:01 2 34.17 0.00 5.00 0.03 0.12 60.68 07:09:01 3 36.29 0.00 5.55 4.06 0.15 53.95 07:09:01 4 41.28 0.00 6.07 0.37 0.18 52.09 07:09:01 5 37.05 0.00 5.49 4.29 0.10 53.07 07:09:01 6 37.19 0.59 6.60 3.65 0.10 51.87 07:09:01 7 37.56 0.00 6.30 8.85 0.17 47.12 07:10:02 all 6.03 0.14 2.99 5.52 0.08 85.24 07:10:02 0 3.86 0.00 2.55 2.83 0.05 90.71 07:10:02 1 4.78 0.00 2.74 0.07 0.08 92.33 07:10:02 2 5.40 0.00 3.00 10.17 0.10 81.33 07:10:02 3 6.77 0.00 3.01 4.64 0.08 85.49 07:10:02 4 6.71 0.00 3.02 0.25 0.07 89.95 07:10:02 5 5.51 0.00 3.28 11.18 0.07 79.96 07:10:02 6 8.13 1.09 2.52 12.46 0.07 75.73 07:10:02 7 7.05 0.00 3.87 2.62 0.08 86.37 07:11:01 all 8.46 0.00 1.81 1.28 0.08 88.36 07:11:01 0 4.34 0.00 1.22 0.25 0.03 94.15 07:11:01 1 4.09 0.00 1.43 0.89 0.09 93.51 07:11:01 2 10.37 0.00 2.00 0.91 0.10 86.62 07:11:01 3 7.93 0.00 1.95 3.69 0.10 86.33 07:11:01 4 11.91 0.00 1.54 1.62 0.09 84.85 07:11:01 5 6.92 0.00 1.41 0.12 0.09 91.46 07:11:01 6 11.20 0.00 3.35 0.41 0.09 84.95 07:11:01 7 10.94 0.00 1.60 2.44 0.07 84.94 Average: all 19.71 0.20 3.98 5.62 0.10 70.39 Average: 0 19.71 0.00 3.90 4.90 0.08 71.40 Average: 1 15.56 0.00 3.29 1.32 0.09 79.74 Average: 2 19.63 0.00 3.82 6.48 0.10 69.96 Average: 3 20.09 0.00 4.18 7.39 0.11 68.23 Average: 4 21.59 0.32 4.10 2.76 0.10 71.13 Average: 5 19.66 0.31 3.91 5.76 0.09 70.28 Average: 6 20.45 0.34 4.36 9.19 0.09 65.57 Average: 7 21.02 0.67 4.28 7.16 0.11 66.76