---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-662 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 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  696K  394M   1% /run
/dev/vda1        20G  9.2G   11G  48% /
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  5.3M  100M   5% /boot/efi
tmpfs           395M     0  395M   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:           3944         465        1145           0        2332        3214
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:bd:ba:4d brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.182/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86201sec preferred_lft 86201sec
    inet6 fe80::f816:3eff:febd:ba4d/64 scope link 
       valid_lft forever preferred_lft forever
3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default 
    link/ether 02:42:df:9c:ce:37 brd ff:ff:ff:ff:ff:ff
    inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-662) 	05/10/25 	_x86_64_	(4 CPU)

13:12:45     LINUX RESTART	(4 CPU)

13:13:01          tps      rtps      wtps   bread/s   bwrtn/s
13:14:01       170.20     69.24    100.97   5611.46  41888.37
13:15:01       138.14     37.66    100.48   2269.49  15648.99
Average:       154.17     53.45    100.72   3940.48  28768.68

13:13:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
13:14:01      1672244   3357468   2366416     58.59     51896   1786916    874668     17.19    537732   1642932    161492
13:15:01       772020   2859928   3266640     80.88     65768   2162444   1296664     25.49   1147564   1905668     73232
Average:      1222132   3108698   2816528     69.74     58832   1974680   1085666     21.34    842648   1774300    117362

13:13:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
13:14:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
13:14:01           lo      1.13      1.13      0.10      0.10      0.00      0.00      0.00      0.00
13:14:01         ens3    375.42    253.39   1501.38     69.19      0.00      0.00      0.00      0.00
13:15:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
13:15:01           lo      1.60      1.60      0.15      0.15      0.00      0.00      0.00      0.00
13:15:01         ens3    375.39    412.18   2644.32     65.85      0.00      0.00      0.00      0.00
Average:      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:           lo      1.37      1.37      0.13      0.13      0.00      0.00      0.00      0.00
Average:         ens3    375.40    332.79   2072.85     67.52      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-662) 	05/10/25 	_x86_64_	(4 CPU)

13:12:45     LINUX RESTART	(4 CPU)

13:13:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
13:14:01        all     17.73      0.00      2.15      5.34      0.05     74.72
13:14:01          0     14.86      0.00      1.75      5.24      0.03     78.12
13:14:01          1      7.66      0.00      2.67      7.39      0.08     82.19
13:14:01          2     34.85      0.00      2.57      7.41      0.07     55.10
13:14:01          3     13.50      0.00      1.60      1.35      0.03     83.52
13:15:01        all     35.18      0.00      1.75      2.30      0.08     60.70
13:15:01          0     34.57      0.00      1.54      2.24      0.07     61.59
13:15:01          1     29.23      0.00      1.84      1.83      0.08     67.02
13:15:01          2     33.19      0.00      1.57      3.08      0.10     62.06
13:15:01          3     43.71      0.00      2.04      2.04      0.07     52.14
Average:        all     26.45      0.00      1.95      3.82      0.07     67.71
Average:          0     24.71      0.00      1.64      3.74      0.05     69.86
Average:          1     18.45      0.00      2.26      4.61      0.08     74.60
Average:          2     34.02      0.00      2.07      5.25      0.08     58.58
Average:          3     28.57      0.00      1.82      1.70      0.05     67.86