---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-1891 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  9.3G   10G  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         406         915           0        2621        3266
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:79:f0:ee brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.226/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86211sec preferred_lft 86211sec
    inet6 fe80::f816:3eff:fe79:f0ee/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 02:42:95:90:1d:99 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-1891) 	05/30/25 	_x86_64_	(4 CPU)

17:33:52     LINUX RESTART	(4 CPU)

17:34:01          tps      rtps      wtps   bread/s   bwrtn/s
17:35:02       166.01     69.42     96.58   5640.93  40947.06
17:36:01       211.03    124.39     86.65   7116.76  20809.49
Average:       188.33     96.67     91.66   6372.64  30962.87

17:34:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
17:35:02      1729616   3329956   2309044     57.17     40972   1721492    940096     18.48    569652   1573000     94740
17:36:01       937620   3314068   3101040     76.78     73020   2437672   1340260     26.35    957780   1916296    280232
Average:      1333618   3322012   2705042     66.98     56996   2079582   1140178     22.41    763716   1744648    187486

17:34:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
17:35:02      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
17:35:02           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
17:35:02         ens3    389.52    244.84   1463.04     66.81      0.00      0.00      0.00      0.00
17:36:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
17:36:01           lo      3.39      3.39      0.32      0.32      0.00      0.00      0.00      0.00
17:36:01         ens3    231.40    176.55    994.89     18.52      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      2.22      2.22      0.21      0.21      0.00      0.00      0.00      0.00
Average:         ens3    311.12    210.98   1230.93     42.87      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1891) 	05/30/25 	_x86_64_	(4 CPU)

17:33:52     LINUX RESTART	(4 CPU)

17:34:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
17:35:02        all     15.12      0.00      2.06      4.90      0.05     77.86
17:35:02          0     22.17      0.00      3.29      3.61      0.05     70.87
17:35:02          1     23.45      0.00      1.84      2.42      0.05     72.24
17:35:02          2      5.98      0.00      1.66      5.01      0.05     87.30
17:35:02          3      8.83      0.00      1.44      8.60      0.05     81.09
17:36:01        all     22.82      0.84      3.26      8.09      0.07     64.94
17:36:01          0     11.62      0.00      2.98      8.66      0.05     76.69
17:36:01          1     45.61      0.00      4.34      6.23      0.09     43.74
17:36:01          2     19.11      0.02      2.98      6.73      0.09     71.07
17:36:01          3     14.91      3.33      2.73     10.71      0.05     68.26
Average:        all     18.94      0.41      2.65      6.48      0.06     71.46
Average:          0     16.95      0.00      3.14      6.11      0.05     73.76
Average:          1     34.42      0.00      3.08      4.31      0.07     58.12
Average:          2     12.50      0.01      2.32      5.86      0.07     79.24
Average:          3     11.84      1.65      2.08      9.64      0.05     74.74