---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-984 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  8.6G   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         550       13139           0        2350       15164
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:ea:80:23 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.200/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86246sec preferred_lft 86246sec
    inet6 fe80::f816:3eff:feea:8023/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-984) 	11/04/26 	_x86_64_	(4 CPU)

21:34:49     LINUX RESTART	(4 CPU)

21:35:01          tps      rtps      wtps   bread/s   bwrtn/s
21:36:01       246.84     36.34    210.50   1228.73  62380.40
21:37:01       118.76      0.68    118.08     91.04  14924.76
Average:       182.80     18.51    164.28    659.84  38650.60

21:35:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
21:36:01     13976712  15566748   2448256     14.91     58608   1731208    764756      4.38    731628   1500408    129536
21:37:01     13442700  15478252   2982268     18.16     87236   2123932    831464      4.76    846272   1871228    197212
Average:     13709706  15522500   2715262     16.53     72922   1927570    798110      4.57    788950   1685818    163374

21:35:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
21:36:01           lo      1.87      1.87      0.21      0.21      0.00      0.00      0.00      0.00
21:36:01         ens3    411.28    284.95   2327.16     80.57      0.00      0.00      0.00      0.00
21:37:01           lo      1.00      1.00      0.11      0.11      0.00      0.00      0.00      0.00
21:37:01         ens3     82.59     54.43   1151.58      8.81      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
Average:         ens3    246.92    169.68   1739.32     44.68      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-984) 	11/04/26 	_x86_64_	(4 CPU)

21:34:49     LINUX RESTART	(4 CPU)

21:35:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
21:36:01        all     24.29      0.00      2.85      2.96      0.01     69.89
21:36:01          0     18.51      0.00      2.08      3.47      0.02     75.93
21:36:01          1     33.95      0.00      3.33      1.56      0.00     61.16
21:36:01          2     26.50      0.00      3.56      2.81      0.00     67.13
21:36:01          3     18.18      0.00      2.43      4.03      0.00     75.36
21:37:01        all     19.82      0.00      1.49      1.35      0.00     77.33
21:37:01          0      5.57      0.00      0.90      1.77      0.00     91.76
21:37:01          1     15.06      0.00      1.37      1.41      0.02     82.14
21:37:01          2     21.87      0.00      1.20      0.95      0.02     75.96
21:37:01          3     36.77      0.00      2.51      1.27      0.00     59.45
Average:        all     22.05      0.00      2.17      2.16      0.01     73.61
Average:          0     12.03      0.00      1.49      2.62      0.01     83.86
Average:          1     24.51      0.00      2.35      1.48      0.01     71.64
Average:          2     24.18      0.00      2.38      1.88      0.01     71.55
Average:          3     27.49      0.00      2.47      2.65      0.00     67.40