---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-2310 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  9.4G  9.9G  49% /
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         428         804           0        2711        3237
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:66:62:87 brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.203/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86202sec preferred_lft 86202sec
    inet6 fe80::f816:3eff:fe66:6287/64 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:cd:9e:d2 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-2310) 	06/06/25 	_x86_64_	(4 CPU)

20:31:45     LINUX RESTART	(4 CPU)

20:32:01          tps      rtps      wtps   bread/s   bwrtn/s
20:33:02       171.67     69.21    102.47   5615.20  41265.67
20:34:01       217.71    131.45     86.26   5028.57  25446.13
Average:       194.50    100.07     94.43   5324.35  33422.36

20:32:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
20:33:02      1607252   3295096   2431400     60.20     46412   1798984    957400     18.82    631984   1625540    173620
20:34:01       680460   3122472   3358192     83.15     75392   2493952   1402648     27.57   1098968   2019504    266504
Average:      1143856   3208784   2894796     71.68     60902   2146468   1180024     23.20    865476   1822522    220062

20:32:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
20:33:02      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
20:33:02           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
20:33:02         ens3    384.60    239.66   1471.27     67.39      0.00      0.00      0.00      0.00
20:34:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
20:34:01           lo      3.46      3.46      0.35      0.35      0.00      0.00      0.00      0.00
20:34:01         ens3    349.06    272.84   1580.40     29.87      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      2.25      2.25      0.23      0.23      0.00      0.00      0.00      0.00
Average:         ens3    366.98    256.11   1525.37     48.79      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-2310) 	06/06/25 	_x86_64_	(4 CPU)

20:31:45     LINUX RESTART	(4 CPU)

20:32:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
20:33:02        all     17.51      0.00      2.25      5.14      0.06     75.03
20:33:02          0      9.45      0.00      1.72     11.14      0.05     77.64
20:33:02          1     17.80      0.00      3.25      3.40      0.05     75.49
20:33:02          2      6.61      0.00      1.15      2.02      0.05     90.16
20:33:02          3     36.24      0.00      2.90      3.98      0.08     56.80
20:34:01        all     21.41      0.88      2.81      8.77      0.07     66.06
20:34:01          0     12.09      0.00      1.95      7.64      0.05     78.26
20:34:01          1     23.88      0.10      2.84      8.16      0.09     64.93
20:34:01          2     22.68      3.39      3.34     12.35      0.09     58.16
20:34:01          3     27.04      0.02      3.06      6.93      0.07     62.88
Average:        all     19.45      0.44      2.53      6.94      0.07     70.58
Average:          0     10.76      0.00      1.84      9.40      0.05     77.95
Average:          1     20.83      0.05      3.05      5.77      0.07     70.24
Average:          2     14.58      1.68      2.24      7.14      0.07     74.30
Average:          3     31.68      0.01      2.98      5.44      0.08     59.81