---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-14378 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         564       13074           0        2400       15155
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:86:48:84 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.143/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86202sec preferred_lft 86202sec
    inet6 fe80::f816:3eff:fe86:4884/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-14378) 	11/22/25 	_x86_64_	(4 CPU)

03:08:33     LINUX RESTART	(4 CPU)

03:09:01          tps      rtps      wtps   bread/s   bwrtn/s
03:10:01       167.01     14.73    152.27    289.69  57817.30
03:11:01       127.45     51.92     75.52   3221.60  13462.29
Average:       147.23     33.33    113.90   1755.64  35639.79

03:09:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
03:10:01     13645576  15335044   2779384     16.92     70592   1812552   1094716      6.26    895064   1653968    139392
03:11:01     12348788  14453972   4076172     24.82     84640   2200368   1893052     10.83   1886532   1931120    115900
Average:     12997182  14894508   3427778     20.87     77616   2006460   1493884      8.55   1390798   1792544    127646

03:09:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
03:10:01         ens3    164.07    121.11   1799.13     29.81      0.00      0.00      0.00      0.00
03:10:01           lo      1.27      1.27      0.15      0.15      0.00      0.00      0.00      0.00
03:11:01         ens3    414.41    268.44   3501.74     63.90      0.00      0.00      0.00      0.00
03:11:01           lo      2.67      2.67      0.30      0.30      0.00      0.00      0.00      0.00
Average:         ens3    289.24    194.78   2650.44     46.86      0.00      0.00      0.00      0.00
Average:           lo      1.97      1.97      0.23      0.23      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-14378) 	11/22/25 	_x86_64_	(4 CPU)

03:08:33     LINUX RESTART	(4 CPU)

03:09:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
03:10:01        all     23.97      0.00      1.57      5.26      0.09     69.10
03:10:01          0     18.09      0.00      1.01      1.48      0.12     79.30
03:10:01          1      7.40      0.00      0.74     11.38      0.05     80.43
03:10:01          2     59.99      0.00      3.73      2.86      0.15     33.28
03:10:01          3     10.44      0.00      0.85      5.36      0.07     83.27
03:11:01        all     35.66      0.00      2.66      1.31      0.09     60.29
03:11:01          0     22.73      0.00      2.23      0.89      0.10     74.05
03:11:01          1     34.70      0.00      2.11      1.84      0.08     61.27
03:11:01          2     49.92      0.00      3.63      1.86      0.08     44.50
03:11:01          3     35.47      0.00      2.64      0.64      0.10     61.15
Average:        all     29.82      0.00      2.11      3.28      0.09     64.69
Average:          0     20.42      0.00      1.62      1.18      0.11     76.67
Average:          1     21.03      0.00      1.42      6.62      0.07     70.86
Average:          2     54.96      0.00      3.68      2.36      0.12     38.88
Average:          3     22.95      0.00      1.75      3.00      0.08     72.22