---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-1969 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 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 nrip_save umip rdpid arch_capabilities

---> nproc:
4

---> df -h:
Filesystem      Size  Used Avail Use% Mounted on
udev            2.0G     0  2.0G   0% /dev
tmpfs           395M  664K  394M   1% /run
/dev/vda1        20G  7.8G   12G  41% /
tmpfs           2.0G     0  2.0G   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           2.0G     0  2.0G   0% /sys/fs/cgroup
/dev/vda15      105M  4.4M  100M   5% /boot/efi
tmpfs           395M     0  395M   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:           3943         609        1001           0        2332        3064
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 1450 qdisc fq_codel state UP group default qlen 1000
    link/ether fa:16:3e:bf:df:21 brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.224/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 85877sec preferred_lft 85877sec
    inet6 fe80::f816:3eff:febf:df21/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1969) 	05/31/25 	_x86_64_	(4 CPU)

16:02:52     LINUX RESTART	(4 CPU)

16:03:01          tps      rtps      wtps   bread/s   bwrtn/s
16:04:01       134.84     54.41     80.44   3588.87   7585.80
16:05:01        66.07     12.36     53.71    244.63   9302.72
16:06:01        21.11      0.10     21.01      1.47   3067.62
16:07:01        19.06      0.12     18.95      2.40   1641.33
16:08:01        20.50      2.48     18.01    167.17   1741.84
16:09:01        27.23     11.03     16.20    648.03   1180.34
16:10:01        22.58      0.30     22.28     18.13   5143.28
16:11:01        28.63      2.68     25.95    141.71   4759.07
Average:        42.50     10.44     32.07    601.55   4302.75

16:03:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
16:04:01      1812756   3378316   2225888     55.11     50408   1670508    591796     11.63    519968   1531008    169060
16:05:01      1568816   3227100   2469828     61.15     57856   1748684    725264     14.26    688876   1592168      4764
16:06:01      1331544   3073988   2707100     67.03     60172   1827852    871796     17.14    851160   1660536      2332
16:07:01      1242668   3029552   2795976     69.23     62348   1867944    888120     17.46    900688   1695156      2616
16:08:01      1099492   2938792   2939152     72.78     64264   1916528    930560     18.29   1003956   1730532      3888
16:09:01       893460   2784968   3145184     77.88     66216   1964804   1030464     20.26   1187016   1749712      5376
16:10:01       671388   2708956   3367256     83.38     68808   2104676   1070824     21.05   1270532   1880932     38540
16:11:01      1030916   3139232   3007728     74.47     71412   2171784    763184     15.00    902536   1888276     23612
Average:      1206380   3035113   2832264     70.13     62686   1909098    859001     16.89    915592   1716040     31274

16:03:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
16:04:01         ens3    371.35    256.06   1605.12     68.66      0.00      0.00      0.00      0.00
16:04:01           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
16:05:01         ens3     92.10     87.07    236.01     19.78      0.00      0.00      0.00      0.00
16:05:01           lo      1.27      1.27      0.12      0.12      0.00      0.00      0.00      0.00
16:06:01         ens3    279.22    257.89   1304.17     36.35      0.00      0.00      0.00      0.00
16:06:01           lo      0.60      0.60      0.06      0.06      0.00      0.00      0.00      0.00
16:07:01         ens3    204.55    212.56    640.80     31.10      0.00      0.00      0.00      0.00
16:07:01           lo      0.53      0.53      0.04      0.04      0.00      0.00      0.00      0.00
16:08:01         ens3    236.09    224.76    705.43     33.09      0.00      0.00      0.00      0.00
16:08:01           lo      0.27      0.27      0.02      0.02      0.00      0.00      0.00      0.00
16:09:01         ens3    386.39    288.92    416.48     74.50      0.00      0.00      0.00      0.00
16:09:01           lo      1.97      1.97      0.21      0.21      0.00      0.00      0.00      0.00
16:10:01         ens3   1089.47    699.15   2215.61    190.45      0.00      0.00      0.00      0.00
16:10:01           lo      1.00      1.00      0.10      0.10      0.00      0.00      0.00      0.00
16:11:01         ens3    553.72    378.67    771.44    133.72      0.00      0.00      0.00      0.00
16:11:01           lo      0.53      0.53      0.04      0.04      0.00      0.00      0.00      0.00
Average:         ens3    401.61    300.64    986.88     73.46      0.00      0.00      0.00      0.00
Average:           lo      0.90      0.90      0.09      0.09      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1969) 	05/31/25 	_x86_64_	(4 CPU)

16:02:52     LINUX RESTART	(4 CPU)

16:03:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
16:04:01        all     21.33      0.00      1.65      3.69      0.05     73.27
16:04:01          0     10.23      0.00      1.40      5.06      0.03     83.28
16:04:01          1     15.92      0.00      1.24      1.22      0.05     81.57
16:04:01          2     38.48      0.00      2.36      6.85      0.07     52.25
16:04:01          3     20.70      0.00      1.62      1.62      0.05     76.00
16:05:01        all     13.11      0.00      0.69      0.92      0.05     85.23
16:05:01          0     10.65      0.00      0.52      0.87      0.05     87.92
16:05:01          1      7.64      0.00      0.42      0.37      0.03     91.54
16:05:01          2      9.31      0.00      0.78      1.84      0.05     88.02
16:05:01          3     24.90      0.00      1.02      0.60      0.07     73.41
16:06:01        all      9.83      0.00      0.54      0.06      0.05     89.53
16:06:01          0      8.76      0.00      0.33      0.00      0.02     90.89
16:06:01          1      7.98      0.00      0.57      0.12      0.05     91.28
16:06:01          2     11.69      0.00      0.65      0.15      0.05     87.46
16:06:01          3     10.87      0.00      0.58      0.02      0.05     88.48
16:07:01        all      5.86      0.00      0.40      0.08      0.03     93.64
16:07:01          0      4.20      0.00      0.32      0.02      0.03     95.43
16:07:01          1      6.63      0.00      0.43      0.17      0.03     92.74
16:07:01          2      6.73      0.00      0.35      0.12      0.03     92.77
16:07:01          3      5.87      0.00      0.50      0.00      0.05     93.58
16:08:01        all      8.65      0.00      0.39      0.15      0.04     90.77
16:08:01          0      6.35      0.00      0.27      0.03      0.03     93.31
16:08:01          1      7.26      0.00      0.30      0.27      0.02     92.15
16:08:01          2      9.55      0.00      0.68      0.22      0.05     89.50
16:08:01          3     11.43      0.00      0.33      0.05      0.05     88.13
16:09:01        all     22.74      0.00      0.84      0.36      0.05     76.02
16:09:01          0     17.52      0.00      0.75      0.13      0.05     81.55
16:09:01          1     26.81      0.00      0.70      0.62      0.05     71.82
16:09:01          2     21.76      0.00      0.92      0.45      0.05     76.82
16:09:01          3     24.88      0.00      0.97      0.22      0.07     73.86
16:10:01        all     12.41      0.00      0.97      0.17      0.05     86.40
16:10:01          0     10.88      0.00      0.95      0.03      0.03     88.11
16:10:01          1     12.44      0.00      1.04      0.53      0.03     85.96
16:10:01          2     12.15      0.00      1.15      0.13      0.05     86.51
16:10:01          3     14.16      0.00      0.74      0.00      0.05     85.05
16:11:01        all     19.80      0.00      1.01      0.52      0.05     78.62
16:11:01          0     14.40      0.00      0.73      0.00      0.05     84.82
16:11:01          1     16.31      0.00      0.89      0.02      0.05     82.74
16:11:01          2     14.49      0.00      1.24      1.85      0.05     82.37
16:11:01          3     34.07      0.00      1.20      0.17      0.07     64.49
Average:        all     14.22      0.00      0.81      0.74      0.05     84.18
Average:          0     10.38      0.00      0.66      0.77      0.04     88.16
Average:          1     12.62      0.00      0.70      0.41      0.04     86.23
Average:          2     15.52      0.00      1.02      1.45      0.05     81.97
Average:          3     18.36      0.00      0.87      0.33      0.06     80.37