---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-1933 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  8.9G   11G  47% /
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         445        1426           0        2072        3242
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:66:4b:eb brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.55/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86252sec preferred_lft 86252sec
    inet6 fe80::f816:3eff:fe66:4beb/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 02:42:4f:4c:51:e1 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-1933) 	03/06/25 	_x86_64_	(4 CPU)

20:54:39     LINUX RESTART	(4 CPU)

20:55:01          tps      rtps      wtps   bread/s   bwrtn/s
20:56:02       176.84     68.64    108.20   5566.54  42555.06
20:57:01        86.90     13.15     73.75   2328.15   9618.84
Average:       132.25     41.13     91.12   3960.95  26225.32

20:55:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
20:56:02      1623612   3315116   2415048     59.80     52264   1794140    927792     18.24    585600   1648712    152288
20:57:01      1445860   3304988   2592800     64.20     60020   1947708    940124     18.48    658420   1741412     17472
Average:      1534736   3310052   2503924     62.00     56142   1870924    933958     18.36    622010   1695062     84880

20:55:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
20:56:02         ens3    383.22    245.41   1489.00     67.77      0.00      0.00      0.00      0.00
20:56:02      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
20:56:02           lo      1.33      1.33      0.12      0.12      0.00      0.00      0.00      0.00
20:57:01         ens3     40.84     39.30    172.67     19.61      0.00      0.00      0.00      0.00
20:57:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
20:57:01           lo      2.78      2.78      0.24      0.24      0.00      0.00      0.00      0.00
Average:         ens3    213.47    143.22    836.37     43.89      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      2.05      2.05      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-1933) 	03/06/25 	_x86_64_	(4 CPU)

20:54:39     LINUX RESTART	(4 CPU)

20:55:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
20:56:02        all     20.68      0.00      2.33      5.26      0.07     71.66
20:56:02          0     20.03      0.00      2.49     13.10      0.07     64.31
20:56:02          1     14.59      0.00      2.07      2.72      0.05     80.57
20:56:02          2      8.67      0.00      1.10      1.76      0.07     88.41
20:56:02          3     39.46      0.00      3.67      3.40      0.08     53.39
20:57:01        all     20.39      0.00      1.35      2.13      0.05     76.07
20:57:01          0     25.45      0.00      1.22      2.07      0.07     71.18
20:57:01          1      6.86      0.00      1.07      0.97      0.03     91.06
20:57:01          2     27.77      0.00      1.07      1.65      0.07     69.44
20:57:01          3     21.44      0.00      2.04      3.87      0.05     72.59
Average:        all     20.54      0.00      1.85      3.71      0.06     73.85
Average:          0     22.72      0.00      1.86      7.64      0.07     67.71
Average:          1     10.75      0.00      1.57      1.85      0.04     85.79
Average:          2     18.15      0.00      1.09      1.70      0.07     79.00
Average:          3     30.52      0.00      2.86      3.64      0.07     62.92