---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-1898 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  700K  394M   1% /run
/dev/vda1        20G  9.1G   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:           3943         441        1214           0        2287        3240
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:80:75:69 brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.238/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86233sec preferred_lft 86233sec
    inet6 fe80::f816:3eff:fe80:7569/64 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 02:42:88:01:dc:b6 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-1898) 	05/30/25 	_x86_64_	(4 CPU)

20:41:43     LINUX RESTART	(4 CPU)

20:42:01          tps      rtps      wtps   bread/s   bwrtn/s
20:43:02       173.85     69.42    104.43   5629.33  41582.55
20:44:01       101.61     18.94     82.67   1779.19  19701.93
Average:       138.03     44.39     93.64   3720.11  30732.32

20:42:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
20:43:02      1701228   3374652   2337424     57.88     51076   1776668    857368     16.85    522284   1633008    162304
20:44:01      1199224   3272568   2839428     70.31     61884   2155728    950544     18.68    835724   1799424    188304
Average:      1450226   3323610   2588426     64.09     56480   1966198    903956     17.77    679004   1716216    175304

20:42:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
20:43:02         ens3    428.25    279.18   1461.55     69.28      0.00      0.00      0.00      0.00
20:43:02      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
20:43:02           lo      1.20      1.20      0.11      0.11      0.00      0.00      0.00      0.00
20:44:01         ens3    150.68    116.88    751.30     18.42      0.00      0.00      0.00      0.00
20:44:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
20:44:01           lo      2.51      2.51      0.26      0.26      0.00      0.00      0.00      0.00
Average:         ens3    290.61    198.70   1109.35     44.06      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      1.85      1.85      0.18      0.18      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1898) 	05/30/25 	_x86_64_	(4 CPU)

20:41:43     LINUX RESTART	(4 CPU)

20:42:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
20:43:02        all     18.13      0.00      2.05      4.87      0.06     74.89
20:43:02          0     18.08      0.00      1.69      2.25      0.05     77.93
20:43:02          1     12.53      0.00      2.45      6.82      0.07     78.14
20:43:02          2     36.25      0.00      2.74      5.00      0.10     55.90
20:43:02          3      5.61      0.00      1.31      5.43      0.05     87.60
20:44:01        all     20.19      0.84      1.71      2.37      0.06     74.84
20:44:01          0     19.60      0.00      1.48      1.34      0.03     77.55
20:44:01          1     10.19      0.00      1.97      3.45      0.07     84.32
20:44:01          2     46.88      3.36      2.55      1.16      0.07     45.98
20:44:01          3      4.21      0.00      0.86      3.53      0.03     91.37
Average:        all     19.15      0.42      1.88      3.63      0.06     74.87
Average:          0     18.83      0.00      1.58      1.80      0.04     77.74
Average:          1     11.36      0.00      2.21      5.15      0.07     81.21
Average:          2     41.53      1.67      2.65      3.09      0.08     50.98
Average:          3      4.91      0.00      1.08      4.48      0.04     89.48