---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-495 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         613       13096           0        2330       15111
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:13:7b:22 brd ff:ff:ff:ff:ff:ff
    inet 10.30.107.167/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86212sec preferred_lft 86212sec
    inet6 fe80::f816:3eff:fe13:7b22/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-495) 	12/20/25 	_x86_64_	(4 CPU)

22:57:30     LINUX RESTART	(4 CPU)

22:58:02          tps      rtps      wtps   bread/s   bwrtn/s
22:59:01       170.98     17.66    153.32    673.36  53300.75
23:00:01       347.74     29.33    318.41   2070.85  15292.92
Average:       260.11     23.54    236.57   1378.04  34135.55

22:58:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
22:59:01     13410556  15152060   3014412     18.35     73712   1859780   1191744      6.82   1092964   1690936    142476
23:00:01     13399092  15449996   3025876     18.42     78156   2159068    862680      4.94    896068   1891736     19704
Average:     13404824  15301028   3020144     18.39     75934   2009424   1027212      5.88    994516   1791336     81090

22:58:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
22:59:01           lo      0.88      0.88      0.11      0.11      0.00      0.00      0.00      0.00
22:59:01         ens3    203.97    166.88   2115.90     32.51      0.00      0.00      0.00      0.00
23:00:01           lo      0.73      0.73      0.08      0.08      0.00      0.00      0.00      0.00
23:00:01         ens3    926.38    565.42   3919.91    169.26      0.00      0.00      0.00      0.00
Average:           lo      0.81      0.81      0.10      0.10      0.00      0.00      0.00      0.00
Average:         ens3    568.24    367.84   3025.56    101.46      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-495) 	12/20/25 	_x86_64_	(4 CPU)

22:57:30     LINUX RESTART	(4 CPU)

22:58:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
22:59:01        all     28.04      0.00      1.58      5.02      0.07     65.29
22:59:01          0     16.93      0.00      0.49      8.09      0.03     74.46
22:59:01          1     52.26      0.00      3.22      5.56      0.08     38.86
22:59:01          2     23.48      0.00      1.21      2.89      0.07     72.36
22:59:01          3     19.41      0.00      1.38      3.57      0.05     75.59
23:00:01        all     52.00      0.00      2.38      1.53      0.09     44.00
23:00:01          0     51.34      0.00      2.59      1.62      0.10     44.34
23:00:01          1     56.61      0.00      2.90      1.85      0.10     38.53
23:00:01          2     47.20      0.00      2.14      1.24      0.08     49.34
23:00:01          3     52.85      0.00      1.84      1.39      0.10     43.82
Average:        all     40.12      0.00      1.98      3.26      0.08     54.56
Average:          0     34.27      0.00      1.55      4.83      0.07     59.28
Average:          1     54.45      0.00      3.06      3.69      0.09     38.70
Average:          2     35.43      0.00      1.68      2.06      0.08     60.76
Average:          3     36.30      0.00      1.61      2.47      0.08     59.55