---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-371 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  9.9G  9.4G  52% /
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         485         406           0        3052        3175
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:88:69:ad brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.120/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86213sec preferred_lft 86213sec
    inet6 fe80::f816:3eff:fe88:69ad/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 02:42:44:06:92:ad 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-371) 	05/05/25 	_x86_64_	(4 CPU)

21:00:46     LINUX RESTART	(4 CPU)

21:01:01          tps      rtps      wtps   bread/s   bwrtn/s
21:02:01       174.34     69.72    104.62   5648.13  42070.07
21:03:01       192.52     16.48    176.04   2624.76  56516.85
Average:       183.43     43.10    140.33   4136.44  49293.46

21:01:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
21:02:01      1534564   3272324   2504088     62.00     51848   1838752    967032     19.01    661352   1658964    206928
21:03:01       470868   3278748   3567784     88.34     86992   2810600    947720     18.63    690240   2595988      1100
Average:      1002716   3275536   3035936     75.17     69420   2324676    957376     18.82    675796   2127476    104014

21:01:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
21:02:01         ens3    403.72    260.84   1546.89     69.07      0.00      0.00      0.00      0.00
21:02:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:02:01           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
21:03:01         ens3    728.81    404.67   6005.52    179.77      0.00      0.00      0.00      0.00
21:03:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
21:03:01           lo      4.87      4.87      0.44      0.44      0.00      0.00      0.00      0.00
Average:         ens3    566.26    332.75   3776.21    124.42      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      2.97      2.97      0.27      0.27      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-371) 	05/05/25 	_x86_64_	(4 CPU)

21:00:46     LINUX RESTART	(4 CPU)

21:01:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
21:02:01        all     17.51      0.00      2.18      5.40      0.05     74.85
21:02:01          0     11.71      0.00      1.39      7.63      0.05     79.22
21:02:01          1      6.98      0.00      1.56      4.70      0.05     86.71
21:02:01          2     20.55      0.00      2.29      2.48      0.05     74.64
21:02:01          3     30.82      0.00      3.45      6.80      0.05     58.88
21:03:01        all     21.91      0.00      4.16      3.94      0.07     69.93
21:03:01          0     11.59      0.00      3.33      1.77      0.05     83.26
21:03:01          1     18.60      0.00      4.54      4.75      0.07     72.05
21:03:01          2     31.22      0.00      4.77      1.92      0.10     61.99
21:03:01          3     26.27      0.00      4.01      7.33      0.08     62.30
Average:        all     19.70      0.00      3.16      4.67      0.06     72.39
Average:          0     11.65      0.00      2.36      4.70      0.05     81.24
Average:          1     12.77      0.00      3.05      4.72      0.06     79.40
Average:          2     25.86      0.00      3.53      2.20      0.08     68.33
Average:          3     28.55      0.00      3.73      7.07      0.07     60.59