---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7363 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.0G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 598 12572 0 2869 15113 Swap: 1023 0 1023 ---> 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:52:53:d8 brd ff:ff:ff:ff:ff:ff inet 10.30.107.76/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe52:53d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7363) 10/06/26 _x86_64_ (4 CPU) 03:04:23 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 123.45 11.25 112.20 310.88 24005.60 03:07:01 97.15 4.30 92.85 119.31 13022.76 03:08:01 14.35 6.36 7.98 430.79 968.48 03:09:01 41.09 2.73 38.36 136.78 19605.53 Average: 69.01 6.16 62.85 249.45 14400.03 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13766444 15568720 2658524 16.19 72196 1920968 767632 4.39 656448 1770388 197020 03:07:01 12785216 14781600 3639752 22.16 85432 2092584 1544708 8.84 1468792 1917988 16576 03:08:01 11903344 13930228 4521624 27.53 86740 2120388 2349060 13.44 2346728 1916804 9400 03:09:01 12887476 15497552 3537492 21.54 90864 2690488 820704 4.70 1004900 2261304 34284 Average: 12835620 14944525 3589348 21.85 83808 2206107 1370526 7.84 1369217 1966621 64320 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 03:06:01 ens3 154.26 110.68 1665.05 25.00 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:07:01 ens3 320.61 255.39 2523.33 60.84 0.00 0.00 0.00 0.00 03:08:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:08:01 ens3 3442.62 2138.65 791.40 729.50 0.00 0.00 0.00 0.00 03:09:01 lo 2.68 2.68 0.24 0.24 0.00 0.00 0.00 0.00 03:09:01 ens3 388.54 227.20 772.51 1814.17 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 1076.60 683.04 1438.05 657.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7363) 10/06/26 _x86_64_ (4 CPU) 03:04:23 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 14.62 0.00 1.32 1.94 0.01 82.10 03:06:01 0 9.32 0.00 0.93 0.45 0.00 89.29 03:06:01 1 3.54 0.00 0.77 5.15 0.00 90.54 03:06:01 2 3.11 0.00 0.42 0.37 0.02 96.10 03:06:01 3 42.56 0.00 3.17 1.82 0.03 52.41 03:07:01 all 26.93 0.00 1.66 0.31 0.01 71.08 03:07:01 0 23.66 0.00 0.62 0.02 0.00 75.71 03:07:01 1 35.24 0.00 2.33 0.12 0.03 62.29 03:07:01 2 26.66 0.00 1.77 0.47 0.00 71.11 03:07:01 3 22.20 0.00 1.94 0.65 0.00 75.21 03:08:01 all 33.51 0.00 6.58 0.10 0.03 59.79 03:08:01 0 53.19 0.00 10.85 0.00 0.05 35.90 03:08:01 1 29.74 0.00 10.64 0.13 0.02 59.47 03:08:01 2 22.53 0.00 1.10 0.12 0.02 76.24 03:08:01 3 28.64 0.00 3.71 0.12 0.02 67.52 03:09:01 all 37.51 0.00 2.34 0.38 0.03 59.74 03:09:01 0 58.69 0.00 1.97 0.72 0.03 38.58 03:09:01 1 26.87 0.00 1.67 0.58 0.02 70.86 03:09:01 2 22.89 0.00 2.61 0.22 0.02 74.27 03:09:01 3 41.64 0.00 3.11 0.03 0.05 55.16 Average: all 28.14 0.00 2.97 0.68 0.02 68.18 Average: 0 36.19 0.00 3.59 0.30 0.02 59.89 Average: 1 23.84 0.00 3.85 1.50 0.02 70.79 Average: 2 18.78 0.00 1.47 0.29 0.01 79.44 Average: 3 33.77 0.00 2.98 0.66 0.03 62.56