---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-7541 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  9.4G   69G  13% /
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         608       12174           0        3256       15102
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:40:fb:48 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.51/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86181sec preferred_lft 86181sec
    inet6 fe80::f816:3eff:fe40:fb48/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7541) 	10/06/26 	_x86_64_	(4 CPU)

17:52:02     LINUX RESTART	(4 CPU)

17:53:02          tps      rtps      wtps   bread/s   bwrtn/s
17:54:01       187.70     39.45    148.25   2381.83  20854.09
17:55:01        27.36      4.37     22.99    110.63  17167.88
Average:       106.85     21.76     85.09   1236.60  18995.35

17:53:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
17:54:01     12643712  14657932   3781248     23.02     77748   2120836   1703584      9.75   1602060   1928112     16784
17:55:01     11759272  14742408   4665688     28.41     79004   3074640   1428668      8.18   1780144   2608012    644112
Average:     12201492  14700170   4223468     25.71     78376   2597738   1566126      8.96   1691102   2268062    330448

17:53:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
17:54:01           lo      0.47      0.47      0.05      0.05      0.00      0.00      0.00      0.00
17:54:01         ens3    311.76    248.64   3190.39     57.30      0.00      0.00      0.00      0.00
17:55:01           lo   3815.00   3815.00    292.45    292.45      0.00      0.00      0.00      0.00
17:55:01         ens3   1518.36    987.15    549.34   6477.66      0.00      0.00      0.00      0.00
Average:           lo   1923.92   1923.92    147.49    147.49      0.00      0.00      0.00      0.00
Average:         ens3    920.18    621.03   1858.66   3294.72      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7541) 	10/06/26 	_x86_64_	(4 CPU)

17:52:02     LINUX RESTART	(4 CPU)

17:53:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
17:54:01        all     37.97      0.00      2.82      3.98      0.03     55.20
17:54:01          0     30.80      0.00      1.57      6.47      0.02     61.15
17:54:01          1     36.27      0.00      2.41      1.07      0.02     60.23
17:54:01          2     45.84      0.00      3.87      7.48      0.05     42.77
17:54:01          3     38.94      0.00      3.46      0.90      0.02     56.68
17:55:01        all     37.23      0.00      9.37      0.47      0.02     52.92
17:55:01          0     39.95      0.00     10.06      0.30      0.02     49.67
17:55:01          1     37.61      0.00      8.10      0.00      0.02     54.27
17:55:01          2     32.45      0.00     10.60      1.40      0.02     55.53
17:55:01          3     38.89      0.00      8.71      0.15      0.03     52.21
Average:        all     37.60      0.00      6.12      2.21      0.02     54.05
Average:          0     35.41      0.00      5.84      3.37      0.02     55.38
Average:          1     36.95      0.00      5.28      0.53      0.02     57.23
Average:          2     39.12      0.00      7.25      4.43      0.03     49.18
Average:          3     38.92      0.00      6.10      0.53      0.03     54.43