---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-1595 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:             2799.998
BogoMIPS:            5599.99
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  7.7G   12G  40% /
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         625         985           0        2333        3051
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:3d:93:24 brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.186/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 85962sec preferred_lft 85962sec
    inet6 fe80::f816:3eff:fe3d:9324/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1595) 	05/24/25 	_x86_64_	(4 CPU)

21:23:51     LINUX RESTART	(4 CPU)

21:24:01          tps      rtps      wtps   bread/s   bwrtn/s
21:25:02       139.89     53.94     85.95   3551.01   7868.42
21:26:01        81.48     30.22     51.26   1657.08  10317.30
21:27:01        10.46      0.02     10.45      0.13    460.99
21:28:01        38.24     10.41     27.83    726.95   3629.00
21:29:01         2.30      0.08      2.22      2.93    148.51
21:30:01        34.99      6.37     28.63    177.17   5363.11
21:31:01        28.51      0.78     27.73     86.52   5775.17
Average:        47.90     14.51     33.40    884.13   4781.46

21:24:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
21:25:02      1796664   3370740   2241980     55.51     50672   1678420    602532     11.84    527128   1539240    165368
21:26:01      1497996   3237284   2540648     62.91     57904   1828888    735204     14.45    677032   1673652      4748
21:27:01      1481332   3227780   2557312     63.32     59824   1833308    739196     14.53    688172   1677320      1780
21:28:01       488384   2361140   3550260     87.91     62376   1953192   1562504     30.71   1588792   1757296      3096
21:29:01       459224   2332268   3579420     88.63     62464   1953276   1749088     34.38   1619876   1754956        92
21:30:01      1074976   3183456   2963668     73.38     65836   2179636    712916     14.01    926548   1826364    136960
21:31:01       981596   3096172   3057048     75.69     69200   2183008    818508     16.09   1023492   1822552     26676
Average:      1111453   2972691   2927191     72.48     61182   1944247    988564     19.43   1007291   1721626     48389

21:24:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
21:25:02         ens3    356.81    230.79   1640.30     67.07      0.00      0.00      0.00      0.00
21:25:02           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
21:26:01         ens3    133.62    127.45    783.66     26.11      0.00      0.00      0.00      0.00
21:26:01           lo      1.36      1.36      0.13      0.13      0.00      0.00      0.00      0.00
21:27:01         ens3     59.76     86.90     64.93     14.04      0.00      0.00      0.00      0.00
21:27:01           lo      0.27      0.27      0.02      0.02      0.00      0.00      0.00      0.00
21:28:01         ens3    225.21    269.66   1588.92     38.27      0.00      0.00      0.00      0.00
21:28:01           lo      3.75      3.75      1.57      1.57      0.00      0.00      0.00      0.00
21:29:01         ens3      4.35      3.18      0.99      1.01      0.00      0.00      0.00      0.00
21:29:01           lo     13.10     13.10      3.51      3.51      0.00      0.00      0.00      0.00
21:30:01         ens3    543.66    447.91   1458.91    188.08      0.00      0.00      0.00      0.00
21:30:01           lo     13.21     13.21      2.95      2.95      0.00      0.00      0.00      0.00
21:31:01         ens3     17.33     17.48     14.10      8.72      0.00      0.00      0.00      0.00
21:31:01           lo      0.87      0.87      0.08      0.08      0.00      0.00      0.00      0.00
Average:         ens3    191.67    169.15    793.14     49.10      0.00      0.00      0.00      0.00
Average:           lo      4.81      4.81      1.20      1.20      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1595) 	05/24/25 	_x86_64_	(4 CPU)

21:23:51     LINUX RESTART	(4 CPU)

21:24:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
21:25:02        all     20.82      0.00      1.69      3.82      0.06     73.60
21:25:02          0      9.29      0.00      1.35      2.11      0.02     87.23
21:25:02          1     40.56      0.00      2.74      6.82      0.10     49.79
21:25:02          2     16.29      0.00      1.30      0.35      0.05     82.00
21:25:02          3     17.30      0.00      1.37      6.02      0.05     75.25
21:26:01        all     13.19      0.00      0.70      1.42      0.06     84.64
21:26:01          0     12.53      0.00      0.75      2.02      0.05     84.65
21:26:01          1     11.53      0.00      0.31      0.80      0.05     87.32
21:26:01          2      8.08      0.00      0.39      0.82      0.07     90.64
21:26:01          3     20.63      0.00      1.34      2.04      0.05     75.94
21:27:01        all      3.54      0.00      0.20      0.06      0.03     96.17
21:27:01          0      1.54      0.00      0.10      0.00      0.03     98.32
21:27:01          1      3.95      0.00      0.27      0.10      0.03     95.65
21:27:01          2      3.42      0.00      0.28      0.03      0.05     96.21
21:27:01          3      5.24      0.00      0.12      0.10      0.05     94.49
21:28:01        all     25.68      0.00      0.95      0.48      0.06     72.84
21:28:01          0     27.12      0.00      0.83      0.28      0.05     71.71
21:28:01          1     25.63      0.00      0.85      0.62      0.05     72.85
21:28:01          2     26.10      0.00      0.99      0.45      0.07     72.39
21:28:01          3     23.85      0.00      1.11      0.55      0.07     74.42
21:29:01        all      2.50      0.00      0.31      0.04      0.04     97.12
21:29:01          0      2.45      0.00      0.35      0.00      0.03     97.17
21:29:01          1      2.60      0.00      0.37      0.15      0.03     96.85
21:29:01          2      2.66      0.00      0.25      0.00      0.05     97.04
21:29:01          3      2.28      0.00      0.28      0.00      0.03     97.41
21:30:01        all     26.69      0.00      1.23      0.21      0.07     71.80
21:30:01          0     32.87      0.00      1.45      0.30      0.07     65.31
21:30:01          1     25.43      0.00      0.97      0.33      0.07     73.20
21:30:01          2     22.00      0.00      0.95      0.13      0.07     76.85
21:30:01          3     26.44      0.00      1.59      0.08      0.07     71.82
21:31:01        all     16.29      0.00      0.86      0.79      0.04     82.02
21:31:01          0     32.29      0.00      1.17      0.10      0.03     66.41
21:31:01          1      3.49      0.00      0.62      2.30      0.02     93.57
21:31:01          2      3.35      0.00      0.58      0.00      0.05     96.01
21:31:01          3     26.03      0.00      1.02      0.77      0.05     72.13
Average:        all     15.53      0.00      0.85      0.97      0.05     82.60
Average:          0     16.89      0.00      0.86      0.69      0.04     81.53
Average:          1     16.15      0.00      0.87      1.59      0.05     81.34
Average:          2     11.71      0.00      0.68      0.25      0.06     87.30
Average:          3     17.38      0.00      0.98      1.37      0.05     80.22