---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-321 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 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            7.9G     0  7.9G   0% /dev
tmpfs           1.6G  680K  1.6G   1% /run
/dev/vda1        78G  8.6G   69G  12% /
tmpfs           7.9G     0  7.9G   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           7.9G     0  7.9G   0% /sys/fs/cgroup
/dev/vda15      105M  4.4M  100M   5% /boot/efi
tmpfs           1.6G     0  1.6G   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:          16040         573       13041           0        2425       15136
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 1458 qdisc mq state UP group default qlen 1000
    link/ether fa:16:3e:63:e0:fb brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.185/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86199sec preferred_lft 86199sec
    inet6 fe80::f816:3eff:fe63:e0fb/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-321) 	12/20/25 	_x86_64_	(4 CPU)

09:46:17     LINUX RESTART	(4 CPU)

09:47:02          tps      rtps      wtps   bread/s   bwrtn/s
09:48:01       152.04     14.93    137.11    414.03  33461.58
09:49:01       116.21      2.57    113.65     93.58  15175.47
Average:       133.98      8.70    125.28    252.46  24241.71

09:47:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
09:48:01     13420324  15227532   3004644     18.29     77048   1917520   1250148      7.15   1024776   1736364    179304
09:49:01     13347176  15475220   3077792     18.74    126676   2148756    830104      4.75    847984   1929824    109600
Average:     13383750  15351376   3041218     18.52    101862   2033138   1040126      5.95    936380   1833094    144452

09:47:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
09:48:01           lo      1.83      1.83      0.22      0.22      0.00      0.00      0.00      0.00
09:48:01         ens3    182.43    140.28   1975.46     27.87      0.00      0.00      0.00      0.00
09:49:01           lo      1.57      1.57      0.13      0.13      0.00      0.00      0.00      0.00
09:49:01         ens3     64.16     40.28    100.78     14.63      0.00      0.00      0.00      0.00
Average:           lo      1.70      1.70      0.18      0.18      0.00      0.00      0.00      0.00
Average:         ens3    122.79     89.86   1030.24     21.19      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-321) 	12/20/25 	_x86_64_	(4 CPU)

09:46:17     LINUX RESTART	(4 CPU)

09:47:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
09:48:01        all     26.68      0.00      1.73      3.02      0.06     68.51
09:48:01          0     32.48      0.00      2.43      1.64      0.08     63.36
09:48:01          1     17.23      0.00      1.57      8.58      0.05     72.57
09:48:01          2     30.34      0.00      1.82      1.09      0.08     66.67
09:48:01          3     26.60      0.00      1.04      0.78      0.07     71.51
09:49:01        all     22.15      0.00      1.25      1.34      0.05     75.20
09:49:01          0      2.37      0.00      0.92      3.38      0.05     93.27
09:49:01          1     28.25      0.00      1.60      0.40      0.05     69.69
09:49:01          2     27.03      0.00      1.05      1.25      0.07     70.60
09:49:01          3     31.18      0.00      1.45      0.30      0.03     67.03
Average:        all     24.39      0.00      1.49      2.17      0.06     71.89
Average:          0     17.24      0.00      1.67      2.52      0.07     78.50
Average:          1     22.81      0.00      1.59      4.44      0.05     71.12
Average:          2     28.67      0.00      1.43      1.17      0.08     68.65
Average:          3     28.92      0.00      1.25      0.54      0.05     69.25