---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-5110 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  8.7G   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         612       12810           0        2616       15098
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:0e:99:8e brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.79/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86224sec preferred_lft 86224sec
    inet6 fe80::f816:3eff:fe0e:998e/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-5110) 	11/02/26 	_x86_64_	(4 CPU)

15:28:28     LINUX RESTART	(4 CPU)

15:29:01          tps      rtps      wtps   bread/s   bwrtn/s
15:30:01       172.45     36.11    136.34   1962.34  22504.92
15:31:01       143.14     23.73    119.41   1858.09  26171.37
Average:       157.80     29.92    127.88   1910.21  24338.14

15:29:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
15:30:01     13374032  15278300   3050936     18.57     76064   2014184   1049544      6.01    954004   1850356    231512
15:31:01     13106932  15446928   3318036     20.20     98308   2413000    848104      4.85    952484   2091280    154872
Average:     13240482  15362614   3184486     19.39     87186   2213592    948824      5.43    953244   1970818    193192

15:29:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
15:30:01           lo      1.33      1.33      0.16      0.16      0.00      0.00      0.00      0.00
15:30:01         ens3    201.18    139.48   2183.13     28.23      0.00      0.00      0.00      0.00
15:31:01           lo      5.12      5.12      0.99      0.99      0.00      0.00      0.00      0.00
15:31:01         ens3    373.15    253.14   2312.30     81.26      0.00      0.00      0.00      0.00
Average:           lo      3.22      3.22      0.58      0.58      0.00      0.00      0.00      0.00
Average:         ens3    287.17    196.31   2247.71     54.74      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5110) 	11/02/26 	_x86_64_	(4 CPU)

15:28:28     LINUX RESTART	(4 CPU)

15:29:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
15:30:01        all     24.65      0.00      1.74      2.48      0.03     71.11
15:30:01          0     17.34      0.00      1.47      6.02      0.02     75.15
15:30:01          1     33.80      0.00      2.12      1.54      0.03     62.51
15:30:01          2     23.51      0.00      1.66      0.54      0.02     74.28
15:30:01          3     23.95      0.00      1.72      1.82      0.02     72.50
15:31:01        all     41.93      0.00      2.48      0.97      0.03     54.60
15:31:01          0     37.24      0.00      2.27      1.90      0.00     58.58
15:31:01          1     43.79      0.00      2.51      1.25      0.02     52.43
15:31:01          2     47.25      0.00      2.49      0.20      0.05     50.01
15:31:01          3     39.44      0.00      2.66      0.50      0.03     57.37
Average:        all     33.29      0.00      2.11      1.72      0.03     62.85
Average:          0     27.30      0.00      1.87      3.96      0.01     66.86
Average:          1     38.79      0.00      2.31      1.40      0.03     57.48
Average:          2     35.39      0.00      2.07      0.37      0.03     62.14
Average:          3     31.69      0.00      2.19      1.16      0.03     64.94