---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-20398 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:             2799.996
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         622       13068           0        2348       15097
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:aa:a9:35 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.27/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86202sec preferred_lft 86202sec
    inet6 fe80::f816:3eff:feaa:a935/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-20398) 	12/13/25 	_x86_64_	(4 CPU)

03:07:21     LINUX RESTART	(4 CPU)

03:08:01          tps      rtps      wtps   bread/s   bwrtn/s
03:09:01       165.69     32.28    133.41   1524.15  27657.52
03:10:01        94.82     33.39     61.42   2021.40  10572.24
Average:       130.25     32.84     97.42   1772.77  19114.88

03:08:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
03:09:01     13422916  15215852   3002052     18.28     75208   1906672   1195968      6.84   1037416   1727540    139512
03:10:01     13375920  15440928   3049048     18.56     85704   2160104    874528      5.00    907708   1889412     86064
Average:     13399418  15328390   3025550     18.42     80456   2033388   1035248      5.92    972562   1808476    112788

03:08:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
03:09:01         ens3    202.60    152.66   1900.83     31.93      0.00      0.00      0.00      0.00
03:09:01           lo      1.27      1.27      0.16      0.16      0.00      0.00      0.00      0.00
03:10:01         ens3    673.85    389.67   3052.61    108.14      0.00      0.00      0.00      0.00
03:10:01           lo      2.13      2.13      0.24      0.24      0.00      0.00      0.00      0.00
Average:         ens3    438.23    271.16   2476.72     70.03      0.00      0.00      0.00      0.00
Average:           lo      1.70      1.70      0.20      0.20      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-20398) 	12/13/25 	_x86_64_	(4 CPU)

03:07:21     LINUX RESTART	(4 CPU)

03:08:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
03:09:01        all     23.77      0.00      1.64      4.03      0.06     70.50
03:09:01          0      9.16      0.00      1.02      9.32      0.05     80.45
03:09:01          1     36.21      0.00      1.97      3.66      0.07     58.09
03:09:01          2     13.54      0.00      1.34      0.55      0.05     84.52
03:09:01          3     36.18      0.00      2.20      2.57      0.07     58.98
03:10:01        all     35.41      0.00      2.56      0.80      0.08     61.15
03:10:01          0     41.82      0.00      2.24      0.84      0.08     55.02
03:10:01          1     31.62      0.00      2.19      0.72      0.08     65.39
03:10:01          2     33.19      0.00      2.94      0.65      0.07     63.14
03:10:01          3     35.00      0.00      2.89      1.00      0.07     61.04
Average:        all     29.59      0.00      2.10      2.42      0.07     65.83
Average:          0     25.48      0.00      1.63      5.08      0.07     67.74
Average:          1     33.92      0.00      2.08      2.19      0.08     61.74
Average:          2     23.37      0.00      2.14      0.60      0.06     73.83
Average:          3     35.59      0.00      2.55      1.79      0.07     60.01