---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-2684 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   12G  7.4G  62% /
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         460         414           0        3068        3199
Swap:          1023           1        1022

---> 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:64:ef:00 brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.104/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86132sec preferred_lft 86132sec
    inet6 fe80::f816:3eff:fe64:ef00/64 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:cf:bc:61:4f 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-2684) 	06/12/25 	_x86_64_	(4 CPU)

14:22:43     LINUX RESTART	(4 CPU)

14:23:01          tps      rtps      wtps   bread/s   bwrtn/s
14:24:01       172.77     69.37    103.40   5653.86  41715.60
14:25:01       250.14     56.72    193.42  10593.10 102717.31
14:26:01       223.41     62.52    160.89   3523.15  48500.32
14:27:01        58.81     33.09     25.71   1562.67   2781.94
Average:       176.29     55.43    120.86   5333.63  48933.27

14:23:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
14:24:01      1570188   3281264   2468472     61.12     48444   1818268    956740     18.81    649576   1638400    188440
14:25:01       259536   3316532   3779124     93.57    106508   3026152   1207684     23.74    468640   3010424    325204
14:26:01       424244   3173348   3614416     89.50    129824   2706720   1111512     21.85    668664   2659184     34208
14:27:01       418504   3244396   3620156     89.64    132912   2777612   1002600     19.71    653132   2679084     12356
Average:       668118   3253885   3370542     83.46    104422   2582188   1069634     21.03    610003   2496773    140052

14:23:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
14:24:01           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
14:24:01         ens3    404.53    263.84   1558.81     69.66      0.00      0.00      0.00      0.00
14:24:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
14:25:01           lo      1.53      1.53      0.14      0.14      0.00      0.00      0.00      0.00
14:25:01         ens3    374.11    185.92  11660.84     15.35      0.00      0.00      0.00      0.00
14:25:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
14:26:01           lo      0.63      0.63      0.07      0.07      0.00      0.00      0.00      0.00
14:26:01         ens3    690.80    525.41   5622.63     40.89      0.00      0.00      0.00      0.00
14:26:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
14:27:01           lo      1.10      1.10      0.10      0.10      0.00      0.00      0.00      0.00
14:27:01         ens3     36.33     30.54     22.93     25.65      0.00      0.00      0.00      0.00
14:27:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:           lo      1.08      1.08      0.10      0.10      0.00      0.00      0.00      0.00
Average:         ens3    376.44    251.42   4716.88     37.89      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-2684) 	06/12/25 	_x86_64_	(4 CPU)

14:22:43     LINUX RESTART	(4 CPU)

14:23:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
14:24:01        all     17.28      0.00      2.09      5.34      0.05     75.24
14:24:01          0      6.93      0.00      1.40      7.28      0.02     84.37
14:24:01          1     22.52      0.00      3.39      7.25      0.05     66.78
14:24:01          2     28.96      0.00      1.99      2.13      0.08     66.83
14:24:01          3     10.78      0.00      1.55      4.68      0.03     82.95
14:25:01        all     23.18      0.00      6.48      3.99      0.07     66.27
14:25:01          0     15.56      0.00      6.35      3.43      0.07     74.60
14:25:01          1     21.77      0.00      5.16      3.05      0.08     69.93
14:25:01          2     39.68      0.00      8.35      6.55      0.10     45.31
14:25:01          3     15.73      0.00      6.09      2.94      0.05     75.18
14:26:01        all     10.83      0.00      2.60      5.34      0.06     81.16
14:26:01          0     12.66      0.00      3.25      7.94      0.07     76.09
14:26:01          1     14.68      0.00      1.94      1.63      0.05     81.70
14:26:01          2      6.93      0.00      2.87      2.72      0.05     87.42
14:26:01          3      9.06      0.00      2.38      9.05      0.07     79.44
14:27:01        all     22.89      0.00      1.25      1.47      0.05     74.34
14:27:01          0     21.94      0.00      1.15      1.15      0.03     75.73
14:27:01          1     46.48      0.00      1.72      0.67      0.07     51.07
14:27:01          2      8.45      0.00      0.78      1.55      0.03     89.19
14:27:01          3     14.85      0.00      1.34      2.52      0.05     81.24
Average:        all     18.54      0.00      3.10      4.03      0.06     74.27
Average:          0     14.27      0.00      3.03      4.95      0.05     77.70
Average:          1     26.41      0.00      3.05      3.15      0.06     67.33
Average:          2     20.91      0.00      3.47      3.22      0.07     72.33
Average:          3     12.60      0.00      2.83      4.80      0.05     79.72