---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-7547 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  672K  1.6G   1% /run
/dev/vda1        78G  8.3G   70G  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       13259           0        2167       15113
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:69:e3:ba brd ff:ff:ff:ff:ff:ff
    inet 10.30.107.49/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86097sec preferred_lft 86097sec
    inet6 fe80::f816:3eff:fe69:e3ba/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-7547) 	03/12/25 	_x86_64_	(4 CPU)

10:01:18     LINUX RESTART	(4 CPU)

10:02:01          tps      rtps      wtps   bread/s   bwrtn/s
10:03:01       165.85     39.37    126.48   2420.53  33446.00
10:04:01        57.21      3.85     53.36    146.38  26327.88
10:05:01         7.58      0.00      7.58      0.00   9819.16
10:06:01        20.83      1.92     18.91    123.05   1224.33
Average:        62.86     11.28     51.58    672.42  17703.69

10:02:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
10:03:01     13024620  14799936   3400348     20.70     72408   1895072   1560076      8.93   1476536   1687028     88928
10:04:01     12449788  14304588   3975180     24.20     74812   1969080   1933732     11.07   1998560   1736260       388
10:05:01     12418768  14273700   4006200     24.39     74884   1969120   1950136     11.16   2029004   1736300        64
10:06:01     13586164  15482796   2838804     17.28     78412   2005536    835792      4.78    842904   1755904     29240
Average:     12869835  14715255   3555133     21.64     75129   1959702   1569934      8.98   1586751   1728873     29655

10:02:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
10:03:01           lo      0.73      0.73      0.08      0.08      0.00      0.00      0.00      0.00
10:03:01         ens3    368.60    236.33   1927.89     55.37      0.00      0.00      0.00      0.00
10:04:01           lo      1.70      1.70      0.09      0.09      0.00      0.00      0.00      0.00
10:04:01         ens3    667.46    314.76   1075.15    152.45      0.00      0.00      0.00      0.00
10:05:01           lo      4.27      4.27      0.21      0.21      0.00      0.00      0.00      0.00
10:05:01         ens3     48.94     31.91     10.99     11.06      0.00      0.00      0.00      0.00
10:06:01           lo     17.58     17.58      2.62      2.62      0.00      0.00      0.00      0.00
10:06:01         ens3    173.22    108.87    301.55     40.42      0.00      0.00      0.00      0.00
Average:           lo      6.07      6.07      0.75      0.75      0.00      0.00      0.00      0.00
Average:         ens3    314.55    172.97    828.85     64.83      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7547) 	03/12/25 	_x86_64_	(4 CPU)

10:01:18     LINUX RESTART	(4 CPU)

10:02:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
10:03:01        all     38.93      0.00      1.94      3.34      0.08     55.71
10:03:01          0     35.51      0.00      1.74      0.95      0.08     61.72
10:03:01          1     46.03      0.00      2.64      2.67      0.08     48.58
10:03:01          2     35.93      0.00      1.61      3.03      0.10     59.33
10:03:01          3     38.25      0.00      1.74      6.69      0.08     53.23
10:04:01        all     38.95      0.00      1.35      1.78      0.07     57.85
10:04:01          0     43.16      0.00      0.72      0.08      0.07     55.98
10:04:01          1     34.82      0.00      1.52      0.70      0.07     62.88
10:04:01          2     39.57      0.00      1.62      1.02      0.07     57.72
10:04:01          3     38.24      0.00      1.54      5.35      0.07     54.80
10:05:01        all      1.03      0.00      0.13      0.95      0.02     97.87
10:05:01          0      0.92      0.00      0.17      0.00      0.02     98.90
10:05:01          1      0.80      0.00      0.10      0.00      0.03     99.07
10:05:01          2      0.85      0.00      0.08      0.02      0.02     99.03
10:05:01          3      1.57      0.00      0.18      3.81      0.03     94.40
10:06:01        all     23.59      0.00      1.12      0.39      0.05     74.85
10:06:01          0     20.66      0.00      1.00      0.00      0.03     78.30
10:06:01          1     32.83      0.00      1.20      0.43      0.05     65.48
10:06:01          2     20.87      0.00      1.05      0.03      0.05     78.00
10:06:01          3     20.02      0.00      1.19      1.07      0.05     77.68
Average:        all     25.61      0.00      1.13      1.62      0.06     71.59
Average:          0     25.04      0.00      0.91      0.26      0.05     73.75
Average:          1     28.60      0.00      1.37      0.95      0.06     69.02
Average:          2     24.28      0.00      1.09      1.02      0.06     73.54
Average:          3     24.51      0.00      1.16      4.23      0.06     70.04