---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-4365 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:             2799.998
BogoMIPS:            5599.99
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  9.4G  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:           3944         452         893           0        2597        3221
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:a8:43:4e brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.93/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86151sec preferred_lft 86151sec
    inet6 fe80::f816:3eff:fea8:434e/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:ff:00:01:07 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-4365) 	04/05/25 	_x86_64_	(4 CPU)

04:35:24     LINUX RESTART	(4 CPU)

04:36:02          tps      rtps      wtps   bread/s   bwrtn/s
04:37:01       114.29     21.74     92.54    742.79   7357.40
04:38:01        77.07     31.89     45.18   1691.84  10741.89
04:39:01        31.46     11.13     20.33    776.67   9949.81
Average:        74.05     21.59     52.46   1072.30   9360.90

04:36:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
04:37:01      1524980   3329620   2513680     62.24     58608   1894192    905668     17.80    583216   1735004    217624
04:38:01      1229080   3168716   2809580     69.57     66120   2016228   1047340     20.59    759152   1845104      5236
04:39:01       902188   3281124   3136472     77.66     71288   2440404    929176     18.26    800024   2111052    134116
Average:      1218749   3259820   2819911     69.82     65339   2116941    960728     18.89    714131   1897053    118992

04:36:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
04:37:01           lo      0.95      0.95      0.09      0.09      0.00      0.00      0.00      0.00
04:37:01         ens3    170.90    130.91   1240.23     31.96      0.00      0.00      0.00      0.00
04:37:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
04:38:01           lo      1.20      1.20      0.12      0.12      0.00      0.00      0.00      0.00
04:38:01         ens3    139.24    134.19   1155.07     25.55      0.00      0.00      0.00      0.00
04:38:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
04:39:01           lo      1.35      1.35      0.55      0.55      0.00      0.00      0.00      0.00
04:39:01         ens3    256.62    244.14   3054.41     35.96      0.00      0.00      0.00      0.00
04:39:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:           lo      1.17      1.17      0.25      0.25      0.00      0.00      0.00      0.00
Average:         ens3    189.02    169.96   1819.75     31.15      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

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-4365) 	04/05/25 	_x86_64_	(4 CPU)

04:35:24     LINUX RESTART	(4 CPU)

04:36:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
04:37:01        all     19.68      0.00      1.39      3.43      0.06     75.43
04:37:01          0     33.44      0.00      2.18      0.71      0.05     63.62
04:37:01          1      5.51      0.00      0.73      5.10      0.05     88.61
04:37:01          2     22.10      0.00      1.31      3.02      0.07     73.51
04:37:01          3     17.70      0.00      1.34      4.89      0.09     75.98
04:38:01        all     12.86      0.00      0.77      1.55      0.07     84.75
04:38:01          0      9.43      0.00      0.69      1.37      0.08     88.42
04:38:01          1     11.98      0.00      0.68      1.32      0.05     85.97
04:38:01          2     12.74      0.00      1.00      2.86      0.07     83.33
04:38:01          3     17.33      0.00      0.70      0.67      0.08     81.22
04:39:01        all     33.28      0.00      1.29      0.46      0.07     64.90
04:39:01          0     32.62      0.00      1.27      0.20      0.07     65.84
04:39:01          1     40.82      0.00      1.25      1.33      0.07     56.53
04:39:01          2     28.90      0.00      1.35      0.30      0.07     69.38
04:39:01          3     30.75      0.00      1.30      0.03      0.07     67.85
Average:        all     21.94      0.00      1.15      1.81      0.07     75.03
Average:          0     25.04      0.00      1.37      0.76      0.07     72.75
Average:          1     19.53      0.00      0.89      2.57      0.06     76.96
Average:          2     21.24      0.00      1.22      2.05      0.07     75.42
Average:          3     21.96      0.00      1.12      1.84      0.08     75.00