---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-5111 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  676K  1.6G   1% /run
/dev/vda1        78G  8.5G   69G  11% /
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         553       13120           0        2366       15156
Swap:          1023           0        1023

---> ip addr:
1: lo: <LOOPBACK,UP,LOWER_UP> 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: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1458 qdisc mq state UP group default qlen 1000
    link/ether fa:16:3e:65:8e:27 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.159/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86254sec preferred_lft 86254sec
    inet6 fe80::f816:3eff:fe65:8e27/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5111) 	11/02/26 	_x86_64_	(4 CPU)

15:28:57     LINUX RESTART	(4 CPU)

15:29:01          tps      rtps      wtps   bread/s   bwrtn/s
15:30:01       363.17     62.59    300.58   4288.35 109790.50
15:31:01       153.12     26.73    126.40   1681.19  18523.71
Average:       258.15     44.66    213.49   2984.77  64157.11

15:29:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
15:30:01     13945856  15523344   2479112     15.09     62580   1716444    816532      4.67    689508   1576356    175716
15:31:01     13422020  15503084   3002948     18.28    109796   2138524    795404      4.55    807292   1915624    171316
Average:     13683938  15513214   2741030     16.69     86188   1927484    805968      4.61    748400   1745990    173516

15:29:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
15:30:01         ens3    361.74    258.02   1854.33     77.51      0.00      0.00      0.00      0.00
15:30:01           lo      1.73      1.73      0.19      0.19      0.00      0.00      0.00      0.00
15:31:01         ens3     68.92     44.56    911.93      9.52      0.00      0.00      0.00      0.00
15:31:01           lo      1.13      1.13      0.12      0.12      0.00      0.00      0.00      0.00
Average:         ens3    215.33    151.29   1383.13     43.52      0.00      0.00      0.00      0.00
Average:           lo      1.43      1.43      0.16      0.16      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5111) 	11/02/26 	_x86_64_	(4 CPU)

15:28:57     LINUX RESTART	(4 CPU)

15:29:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
15:30:01        all     20.51      0.00      2.31      5.41      0.01     71.76
15:30:01          0     38.80      0.00      2.31      4.04      0.02     54.83
15:30:01          1     11.22      0.00      1.86      8.79      0.02     78.11
15:30:01          2     19.54      0.00      3.41      8.03      0.02     68.99
15:30:01          3     12.45      0.00      1.63      0.78      0.00     85.13
15:31:01        all     21.65      0.00      2.27      1.36      0.02     74.70
15:31:01          0     54.25      0.00      3.86      0.50      0.05     41.34
15:31:01          1     15.54      0.00      1.43      0.25      0.00     82.78
15:31:01          2     13.59      0.00      1.89      1.10      0.02     83.41
15:31:01          3      3.17      0.00      1.88      3.64      0.00     91.30
Average:        all     21.08      0.00      2.29      3.39      0.02     73.23
Average:          0     46.53      0.00      3.08      2.27      0.03     48.08
Average:          1     13.39      0.00      1.65      4.51      0.01     80.45
Average:          2     16.56      0.00      2.65      4.55      0.02     76.23
Average:          3      7.83      0.00      1.76      2.21      0.00     88.20