---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-2199 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   11G  9.1G  54% /
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         447         762           0        2733        3214
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:08:5c:35 brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.168/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86093sec preferred_lft 86093sec
    inet6 fe80::f816:3eff:fe08:5c35/64 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 02:42:63:5d:40:80 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-2199) 	06/04/25 	_x86_64_	(4 CPU)

21:38:44     LINUX RESTART	(4 CPU)

21:39:01          tps      rtps      wtps   bread/s   bwrtn/s
21:40:01       171.90     69.22    102.68   5616.80  41793.18
21:41:01       220.83    105.97    114.86   5459.49  21824.10
21:42:01       174.23     48.63    125.60   2914.59  49554.03
21:43:01        93.77     76.76     17.01   3742.62   8976.47
Average:       165.18     75.14     90.04   4433.16  30538.42

21:39:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
21:40:01      1575316   3293592   2463336     60.99     49200   1824224    966732     19.00    637184   1644896    194132
21:41:01      1064472   3371304   2974180     73.64     72060   2368616    966292     18.99    776920   1971620    197096
21:42:01       602128   3293796   3436524     85.09    106392   2694436   1308928     25.73   1151612   2015776    195948
21:43:01       807768   3274104   3230884     80.00    116848   2463584    931860     18.32   1186456   1782484     16316
Average:      1012421   3308199   3026231     74.93     86125   2337715   1043453     20.51    938043   1853694    150873

21:39:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
21:40:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:40:01           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
21:40:01         ens3    347.49    233.58   1494.14     67.55      0.00      0.00      0.00      0.00
21:41:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:41:01           lo      2.53      2.53      0.26      0.26      0.00      0.00      0.00      0.00
21:41:01         ens3    365.97    269.67    999.12     27.88      0.00      0.00      0.00      0.00
21:42:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:42:01           lo      0.27      0.27      0.03      0.03      0.00      0.00      0.00      0.00
21:42:01         ens3    297.35    256.75   1557.94     21.10      0.00      0.00      0.00      0.00
21:43:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:43:01           lo     11.58     11.58      2.19      2.19      0.00      0.00      0.00      0.00
21:43:01         ens3    227.64    157.35   1540.51     33.26      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      3.86      3.86      0.64      0.64      0.00      0.00      0.00      0.00
Average:         ens3    309.61    229.34   1397.95     37.44      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-2199) 	06/04/25 	_x86_64_	(4 CPU)

21:38:44     LINUX RESTART	(4 CPU)

21:39:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
21:40:01        all     17.48      0.00      2.20      5.30      0.05     74.96
21:40:01          0     25.81      0.00      1.99      2.67      0.05     69.48
21:40:01          1      8.19      0.00      2.39      2.58      0.03     86.81
21:40:01          2     12.32      0.00      2.37      5.62      0.07     79.63
21:40:01          3     23.59      0.00      2.06     10.35      0.05     63.95
21:41:01        all     16.49      0.83      2.35      8.88      0.06     71.39
21:41:01          0     10.14      0.02      2.23      7.38      0.05     80.18
21:41:01          1     12.19      1.64      2.08     10.00      0.05     74.04
21:41:01          2     30.58      1.66      3.17      9.32      0.12     55.14
21:41:01          3     13.06      0.00      1.91      8.80      0.07     76.15
21:42:01        all     69.14      0.00      8.86      1.86      0.12     20.03
21:42:01          0     68.53      0.00      9.19      2.21      0.10     19.97
21:42:01          1     68.32      0.00      8.80      2.71      0.12     20.06
21:42:01          2     69.49      0.00      8.81      0.85      0.12     20.74
21:42:01          3     70.26      0.00      8.61      1.67      0.12     19.34
21:43:01        all     25.69      0.00      2.63      2.19      0.07     69.42
21:43:01          0     29.46      0.00      2.67      2.45      0.07     65.35
21:43:01          1     22.08      0.00      2.68      1.57      0.05     73.62
21:43:01          2     25.98      0.00      2.78      2.56      0.07     68.61
21:43:01          3     25.22      0.00      2.39      2.18      0.05     70.16
Average:        all     32.12      0.21      4.00      4.56      0.07     59.04
Average:          0     33.39      0.00      4.00      3.68      0.07     58.85
Average:          1     27.60      0.41      3.98      4.22      0.06     63.73
Average:          2     34.53      0.42      4.27      4.59      0.09     56.10
Average:          3     32.97      0.00      3.74      5.76      0.07     57.47