---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-475 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  9.3G   10G  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         432         964           0        2547        3231
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:34:dc:60 brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.7/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86230sec preferred_lft 86230sec
    inet6 fe80::f816:3eff:fe34:dc60/64 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:ca:d6:ea:2f 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-475) 	04/18/25 	_x86_64_	(4 CPU)

21:47:42     LINUX RESTART	(4 CPU)

21:48:01          tps      rtps      wtps   bread/s   bwrtn/s
21:49:01       175.99     69.16    106.83   5626.66  41891.70
21:50:01       206.82    105.60    101.22   4626.56  20274.22
Average:       191.40     87.38    104.02   5126.61  31082.96

21:48:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
21:49:01      1691448   3369748   2347204     58.12     52228   1782084    866168     17.03    532056   1637160    161684
21:50:01       998640   3317116   3040012     75.27     86232   2355336    866644     17.04    710688   2082800    117912
Average:      1345044   3343432   2693608     66.70     69230   2068710    866406     17.03    621372   1859980    139798

21:48:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
21:49:01         ens3    385.97    255.07   1492.25     68.92      0.00      0.00      0.00      0.00
21:49:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:49:01           lo      1.27      1.27      0.12      0.12      0.00      0.00      0.00      0.00
21:50:01         ens3    197.83    162.29    952.32     19.06      0.00      0.00      0.00      0.00
21:50:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:50:01           lo      1.53      1.53      0.14      0.14      0.00      0.00      0.00      0.00
Average:         ens3    291.90    208.68   1222.29     43.99      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      1.40      1.40      0.13      0.13      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-475) 	04/18/25 	_x86_64_	(4 CPU)

21:47:42     LINUX RESTART	(4 CPU)

21:48:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
21:49:01        all     19.13      0.00      2.11      5.78      0.06     72.92
21:49:01          0      9.29      0.00      1.44      6.65      0.07     82.56
21:49:01          1     25.11      0.00      1.90      7.55      0.05     65.39
21:49:01          2     25.98      0.00      2.19      5.04      0.07     66.72
21:49:01          3     16.17      0.00      2.85      3.89      0.05     77.04
21:50:01        all     27.39      0.00      3.36     10.12      0.07     59.06
21:50:01          0     19.54      0.00      3.36     12.69      0.07     64.34
21:50:01          1     19.74      0.00      2.85     10.85      0.05     66.51
21:50:01          2     48.19      0.00      3.90      7.63      0.08     40.21
21:50:01          3     22.17      0.00      3.29      9.31      0.07     65.16
Average:        all     23.26      0.00      2.73      7.95      0.06     66.00
Average:          0     14.40      0.00      2.39      9.66      0.07     73.47
Average:          1     22.42      0.00      2.38      9.20      0.05     65.95
Average:          2     37.06      0.00      3.04      6.33      0.08     53.49
Average:          3     19.17      0.00      3.07      6.60      0.06     71.10