---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-445 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  9.0G   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:           3943         446        1389           0        2108        3239
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:e3:03:1a brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.162/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86129sec preferred_lft 86129sec
    inet6 fe80::f816:3eff:fee3:31a/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 02:42:38:e3:a6:9a 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-445) 	05/07/25 	_x86_64_	(4 CPU)

08:10:44     LINUX RESTART	(4 CPU)

08:11:01          tps      rtps      wtps   bread/s   bwrtn/s
08:12:01       173.55     71.22    102.33   5687.32  41917.43
08:13:01        83.12     20.73     62.39   1333.11  10259.36
08:14:01         3.35      0.03      3.32      4.80    253.96
08:15:01        26.35      6.20     20.15    233.96   2164.57
Average:        71.59     24.55     47.05   1814.80  13648.83

08:11:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
08:12:01      1597512   3288232   2441140     60.44     51168   1792836    961932     18.91    608548   1647704    161288
08:13:01      1558124   3402260   2480528     61.42     59788   1931316    840708     16.53    525996   1756324      3908
08:14:01      1550300   3395420   2488352     61.61     59852   1932328    841936     16.55    531168   1756076       272
08:15:01      1448552   3340028   2590100     64.13     62648   1975740    898516     17.66    607460   1784312     24804
Average:      1538622   3356485   2500030     61.90     58364   1908055    885773     17.41    568293   1736104     47568

08:11:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
08:12:01           lo      1.20      1.20      0.11      0.11      0.00      0.00      0.00      0.00
08:12:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
08:12:01         ens3    392.67    254.39   1488.08     77.40      0.00      0.00      0.00      0.00
08:13:01           lo      1.87      1.87      0.18      0.18      0.00      0.00      0.00      0.00
08:13:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
08:13:01         ens3     36.06     32.41    249.83      4.99      0.00      0.00      0.00      0.00
08:14:01           lo     29.78     29.78      7.30      7.30      0.00      0.00      0.00      0.00
08:14:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
08:14:01         ens3      4.92      4.40      6.82      0.97      0.00      0.00      0.00      0.00
08:15:01           lo      1.20      1.20      0.11      0.11      0.00      0.00      0.00      0.00
08:15:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
08:15:01         ens3    116.05     72.97    571.21     19.67      0.00      0.00      0.00      0.00
Average:           lo      8.51      8.51      1.92      1.92      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:         ens3    137.42     91.04    578.98     25.76      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-445) 	05/07/25 	_x86_64_	(4 CPU)

08:10:44     LINUX RESTART	(4 CPU)

08:11:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
08:12:01        all     18.20      0.00      2.23      5.41      0.07     74.09
08:12:01          0     20.62      0.00      1.96      5.49      0.08     71.84
08:12:01          1      9.72      0.00      1.47      9.18      0.07     79.56
08:12:01          2     10.71      0.00      2.52      4.19      0.07     82.51
08:12:01          3     31.71      0.00      2.98      2.75      0.07     62.50
08:13:01        all      8.31      0.00      0.84      1.61      0.03     89.21
08:13:01          0      5.25      0.00      0.68      0.32      0.00     93.76
08:13:01          1      1.00      0.00      0.70      4.41      0.02     93.86
08:13:01          2      4.04      0.00      0.50      0.17      0.02     95.28
08:13:01          3     22.94      0.00      1.50      1.55      0.05     73.96
08:14:01        all      2.25      0.00      8.64      0.01      0.02     89.08
08:14:01          0      1.75      0.00      8.66      0.00      0.02     89.58
08:14:01          1      1.90      0.00      8.70      0.05      0.02     89.34
08:14:01          2      3.51      0.00      8.62      0.00      0.03     87.83
08:14:01          3      1.84      0.00      8.56      0.00      0.02     89.59
08:15:01        all     17.61      0.00      7.90      0.71      0.05     73.73
08:15:01          0     28.53      0.00      7.84      0.10      0.07     63.46
08:15:01          1      4.02      0.00      7.36      2.37      0.03     86.21
08:15:01          2      8.01      0.00      7.76      0.07      0.03     84.13
08:15:01          3     29.84      0.00      8.62      0.32      0.05     61.17
Average:        all     11.58      0.00      4.91      1.93      0.04     81.54
Average:          0     14.02      0.00      4.78      1.47      0.04     79.68
Average:          1      4.16      0.00      4.57      4.00      0.03     87.25
Average:          2      6.56      0.00      4.86      1.10      0.04     87.44
Average:          3     21.57      0.00      5.42      1.15      0.05     71.81