---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-796 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  700K  394M   1% /run
/dev/vda1        20G  9.5G  9.8G  50% /
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         587           0        2908        3220
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:0d:3e:5a brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.209/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86176sec preferred_lft 86176sec
    inet6 fe80::f816:3eff:fe0d:3e5a/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 02:42:2d:08:75:4d 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-796) 	05/12/25 	_x86_64_	(4 CPU)

22:32:46     LINUX RESTART	(4 CPU)

22:33:01          tps      rtps      wtps   bread/s   bwrtn/s
22:34:02       169.43     69.23    100.20   5613.86  41753.57
22:35:01       223.92    121.19    102.73   6716.47  33612.20
22:36:01        51.82     33.38     18.45   1804.90   5878.49
Average:       147.96     74.33     73.63   4700.49  27045.39

22:33:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
22:34:02      1583364   3290544   2455288     60.79     49040   1814324    950464     18.68    643852   1636200    185036
22:35:01       790708   3356808   3247944     80.42     71540   2624308   1115056     21.92    915884   2100516     84760
22:36:01       553948   3252912   3484704     86.28     75328   2752728    953168     18.74   1150816   2101040     32792
Average:       976007   3300088   3062645     75.83     65303   2397120   1006229     19.78    903517   1945919    100863

22:33:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
22:34:02         ens3    380.52    248.00   1494.82     68.00      0.00      0.00      0.00      0.00
22:34:02      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
22:34:02           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
22:35:01         ens3    350.19    286.05   2003.49     27.39      0.00      0.00      0.00      0.00
22:35:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
22:35:01           lo      2.85      2.85      0.28      0.28      0.00      0.00      0.00      0.00
22:36:01         ens3    219.56    151.57   1317.78     82.91      0.00      0.00      0.00      0.00
22:36:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
22:36:01           lo      0.93      0.93      0.09      0.09      0.00      0.00      0.00      0.00
Average:         ens3    316.57    228.22   1603.11     59.61      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      1.61      1.61      0.16      0.16      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-796) 	05/12/25 	_x86_64_	(4 CPU)

22:32:46     LINUX RESTART	(4 CPU)

22:33:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
22:34:02        all     16.88      0.00      2.03      5.00      0.05     76.04
22:34:02          0     15.62      0.00      2.76      4.01      0.05     77.55
22:34:02          1     30.02      0.00      2.15      2.30      0.07     65.45
22:34:02          2     10.03      0.00      1.24      5.53      0.07     83.13
22:34:02          3     11.78      0.00      1.93      8.19      0.05     78.05
22:35:01        all     23.62      0.86      3.37      9.48      0.07     62.61
22:35:01          0     17.73      1.76      2.87      5.79      0.05     71.80
22:35:01          1     22.56      0.02      3.37      6.98      0.05     67.03
22:35:01          2     19.52      0.02      2.77     11.46      0.09     66.15
22:35:01          3     34.68      1.62      4.47     13.66      0.07     45.51
22:36:01        all     20.87      0.00      1.55      0.91      0.05     76.62
22:36:01          0     11.25      0.00      1.25      0.55      0.05     86.90
22:36:01          1     11.55      0.00      1.05      0.87      0.05     86.48
22:36:01          2     17.78      0.00      2.15      1.72      0.05     78.29
22:36:01          3     42.84      0.00      1.77      0.52      0.08     54.79
Average:        all     20.43      0.28      2.31      5.10      0.06     71.82
Average:          0     14.85      0.58      2.29      3.44      0.05     78.80
Average:          1     21.38      0.01      2.19      3.36      0.06     73.01
Average:          2     15.76      0.01      2.05      6.20      0.07     75.92
Average:          3     29.75      0.53      2.71      7.41      0.07     59.53