---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-20691 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:             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            7.9G     0  7.9G   0% /dev
tmpfs           1.6G  676K  1.6G   1% /run
/dev/vda1        78G  8.5G   69G  11% /
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         559       13152           0        2328       15166
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:22:34:52 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.166/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86216sec preferred_lft 86216sec
    inet6 fe80::f816:3eff:fe22:3452/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-20691) 	12/13/25 	_x86_64_	(4 CPU)

22:57:20     LINUX RESTART	(4 CPU)

22:58:02          tps      rtps      wtps   bread/s   bwrtn/s
22:59:01       166.18     17.42    148.75    663.89  21494.39
23:00:01        78.79     29.60     49.19   2131.51  10881.79
Average:       122.11     23.56     98.55   1403.86  16143.51

22:58:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
22:59:01     13314172  15091468   3110796     18.94     75764   1891408   1162944      6.66   1164956   1713312     97660
23:00:01     13416292  15473172   3008676     18.32     79108   2164092    835724      4.78    876828   1893116     31424
Average:     13365232  15282320   3059736     18.63     77436   2027750    999334      5.72   1020892   1803214     64542

22:58:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
22:59:01           lo      0.61      0.61      0.07      0.07      0.00      0.00      0.00      0.00
22:59:01         ens3    362.96    248.60   2598.69     66.25      0.00      0.00      0.00      0.00
23:00:01           lo      0.87      0.87      0.10      0.10      0.00      0.00      0.00      0.00
23:00:01         ens3    840.46    473.37   3434.44    161.92      0.00      0.00      0.00      0.00
Average:           lo      0.74      0.74      0.09      0.09      0.00      0.00      0.00      0.00
Average:         ens3    603.71    361.93   3020.08    114.49      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-20691) 	12/13/25 	_x86_64_	(4 CPU)

22:57:20     LINUX RESTART	(4 CPU)

22:58:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
22:59:01        all     36.88      0.00      1.89      1.65      0.07     59.51
22:59:01          0     34.50      0.00      2.19      4.51      0.07     58.74
22:59:01          1     36.34      0.00      1.83      0.56      0.05     61.21
22:59:01          2     50.08      0.00      2.20      0.53      0.08     47.10
22:59:01          3     26.61      0.00      1.33      1.05      0.08     70.92
23:00:01        all     43.26      0.00      1.86      0.69      0.08     54.13
23:00:01          0     35.01      0.00      2.01      1.14      0.07     61.78
23:00:01          1     49.86      0.00      1.85      0.72      0.07     47.50
23:00:01          2     41.94      0.00      1.70      0.25      0.08     56.03
23:00:01          3     46.23      0.00      1.81      0.64      0.08     51.25
Average:        all     40.09      0.00      1.87      1.17      0.07     56.80
Average:          0     34.75      0.00      2.10      2.81      0.07     60.27
Average:          1     43.16      0.00      1.84      0.64      0.06     54.30
Average:          2     45.98      0.00      1.95      0.39      0.08     51.60
Average:          3     36.47      0.00      1.57      0.84      0.08     61.04