---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-2820 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  696K  394M   1% /run
/dev/vda1        20G  9.1G   11G  48% /
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         456        1183           0        2304        3225
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:d6:e9:0f brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.203/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86208sec preferred_lft 86208sec
    inet6 fe80::f816:3eff:fed6:e90f/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:48:16:e4 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-2820) 	06/14/25 	_x86_64_	(4 CPU)

14:32:42     LINUX RESTART	(4 CPU)

14:33:01          tps      rtps      wtps   bread/s   bwrtn/s
14:34:01       173.39     69.51    103.88   5628.53  41862.37
14:35:01       156.99     91.62     65.37   4035.46  12631.63
Average:       165.19     80.56     84.63   4831.99  27247.00

14:33:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
14:34:01      1711764   3386796   2326888     57.62     51104   1779712    850008     16.71    510940   1636152    160836
14:35:01      1285440   3364204   2753212     68.17     63508   2158348    853180     16.77    618380   1926396     96844
Average:      1498602   3375500   2540050     62.89     57306   1969030    851594     16.74    564660   1781274    128840

14:33:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
14:34:01           lo      1.20      1.20      0.11      0.11      0.00      0.00      0.00      0.00
14:34:01         ens3    401.67    267.82   1488.55     69.35      0.00      0.00      0.00      0.00
14:34:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
14:35:01           lo      1.60      1.60      0.16      0.16      0.00      0.00      0.00      0.00
14:35:01         ens3    257.67    184.29   1801.53     22.40      0.00      0.00      0.00      0.00
14:35:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:           lo      1.40      1.40      0.13      0.13      0.00      0.00      0.00      0.00
Average:         ens3    329.67    226.05   1645.04     45.87      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-2820) 	06/14/25 	_x86_64_	(4 CPU)

14:32:42     LINUX RESTART	(4 CPU)

14:33:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
14:34:01        all     18.54      0.00      2.22      5.63      0.05     73.55
14:34:01          0      9.46      0.00      1.93      5.56      0.03     83.02
14:34:01          1     27.08      0.00      2.75      6.30      0.07     63.80
14:34:01          2     16.91      0.00      1.87      1.55      0.05     79.62
14:34:01          3     20.76      0.00      2.34      9.14      0.07     67.70
14:35:01        all     21.50      0.00      1.93      6.46      0.06     70.05
14:35:01          0     20.90      0.00      2.02      7.03      0.05     70.01
14:35:01          1     15.80      0.00      1.86     10.11      0.05     72.18
14:35:01          2     34.07      0.00      2.05      2.60      0.07     61.21
14:35:01          3     15.19      0.00      1.81      6.08      0.07     76.85
Average:        all     20.02      0.00      2.08      6.04      0.06     71.80
Average:          0     15.19      0.00      1.97      6.29      0.04     76.50
Average:          1     21.43      0.00      2.30      8.21      0.06     68.00
Average:          2     25.49      0.00      1.96      2.08      0.06     70.41
Average:          3     17.97      0.00      2.07      7.61      0.07     72.28