---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-2279 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  9.4G  9.8G  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         439         763           0        2741        3226
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:6a:fd:9a brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.120/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86141sec preferred_lft 86141sec
    inet6 fe80::f816:3eff:fe6a:fd9a/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 02:42:4a:29:a6:2f 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-2279) 	06/06/25 	_x86_64_	(4 CPU)

09:38:44     LINUX RESTART	(4 CPU)

09:39:01          tps      rtps      wtps   bread/s   bwrtn/s
09:40:01       164.77     69.44     95.33   5610.00  41065.31
09:41:01        83.27     16.06     67.21   1345.11  15190.53
09:42:01       173.54    108.97     64.57   3568.87  20936.38
Average:       140.53     64.82     75.70   3507.99  25730.74

09:39:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
09:40:01      1741604   3318112   2297048     56.88     40004   1698184    936244     18.40    580700   1550608     69556
09:41:01      1276288   3347780   2762364     68.40     59872   2154128    931924     18.32    748016   1808032    328040
09:42:01       957812   3372200   3080840     76.28     72308   2471032    843668     16.58    974292   1873756     58816
Average:      1325235   3346031   2713417     67.19     57395   2107781    903945     17.77    767669   1744132    152137

09:39:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
09:40:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
09:40:01         ens3    375.15    237.89   1277.37     67.34      0.00      0.00      0.00      0.00
09:40:01           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
09:41:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
09:41:01         ens3    151.71    114.41    987.28     10.96      0.00      0.00      0.00      0.00
09:41:01           lo      2.50      2.50      0.26      0.26      0.00      0.00      0.00      0.00
09:42:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
09:42:01         ens3    212.50    147.79    623.43     29.27      0.00      0.00      0.00      0.00
09:42:01           lo      0.87      0.87      0.09      0.09      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    246.45    166.70    962.69     35.86      0.00      0.00      0.00      0.00
Average:           lo      1.48      1.48      0.15      0.15      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-2279) 	06/06/25 	_x86_64_	(4 CPU)

09:38:44     LINUX RESTART	(4 CPU)

09:39:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
09:40:01        all     14.45      0.00      1.81      4.69      0.05     79.00
09:40:01          0     17.69      0.00      1.89      3.17      0.05     77.21
09:40:01          1      6.31      0.00      1.35      8.23      0.05     84.06
09:40:01          2     23.67      0.00      2.85      4.18      0.07     69.22
09:40:01          3     10.18      0.00      1.15      3.16      0.05     85.46
09:41:01        all     15.82      0.89      1.57      1.95      0.04     79.73
09:41:01          0     39.16      0.02      2.43      0.58      0.07     57.74
09:41:01          1     10.09      0.00      1.22      1.19      0.03     87.46
09:41:01          2      8.12      3.54      1.80      5.23      0.05     81.26
09:41:01          3      5.94      0.00      0.83      0.82      0.02     92.39
09:42:01        all     18.79      0.41      6.70      8.05      0.08     65.97
09:42:01          0     16.36      1.64      5.63      6.20      0.07     70.09
09:42:01          1     16.28      0.00      6.08     10.49      0.08     67.06
09:42:01          2     25.85      0.02      9.13      6.94      0.10     57.96
09:42:01          3     16.63      0.00      5.96      8.58      0.08     68.74
Average:        all     16.35      0.43      3.35      4.89      0.06     74.91
Average:          0     24.43      0.55      3.32      3.31      0.06     68.33
Average:          1     10.88      0.00      2.87      6.62      0.06     79.57
Average:          2     19.20      1.19      4.59      5.45      0.07     69.50
Average:          3     10.91      0.00      2.65      4.18      0.05     82.21