---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-105239 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  8.4G   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        1145       12671           0        2223       14580
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:77:21:d4 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.31/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86056sec preferred_lft 86056sec
    inet6 fe80::f816:3eff:fe77:21d4/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-105239) 	02/08/25 	_x86_64_	(4 CPU)

06:25:25     LINUX RESTART	(4 CPU)

06:26:02          tps      rtps      wtps   bread/s   bwrtn/s
06:27:01       162.79     34.59    128.20   1826.00  31082.46
06:28:01        69.57      9.90     59.67    797.47  25839.56
06:29:01        20.20      0.00     20.20      0.00  18898.72
06:30:01         6.07      0.02      6.05      3.73   1322.05
06:31:01        26.99      4.28     22.71    184.21   1913.23
Average:        56.77      9.67     47.09    558.04  15759.67

06:26:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
06:27:01     13600944  15355028   2824016     17.19     71268   1876444    970456      5.55    882564   1712108    119172
06:28:01     12452012  14349928   3972948     24.19     75416   2010788   1787256     10.23   1956564   1772292     17884
06:29:01     12444196  14342132   3980764     24.24     75484   2010828   1787256     10.23   1964624   1772328       108
06:30:01     12381780  14302876   4043180     24.62     76780   2031316   2064608     11.82   2008176   1789044      9064
06:31:01     12990464  14944452   3434496     20.91     79588   2061108   1346384      7.71   1418312   1773596     17820
Average:     12773879  14658883   3651081     22.23     75707   1998097   1591192      9.11   1646048   1763874     32810

06:26:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
06:27:01           lo      1.02      1.02      0.11      0.11      0.00      0.00      0.00      0.00
06:27:01         ens3    172.06    130.47   2129.13     30.84      0.00      0.00      0.00      0.00
06:28:01           lo      1.05      1.05      0.06      0.06      0.00      0.00      0.00      0.00
06:28:01         ens3    875.15    449.43   1682.14    190.26      0.00      0.00      0.00      0.00
06:29:01           lo      2.83      2.83      0.14      0.14      0.00      0.00      0.00      0.00
06:29:01         ens3      4.65      4.00      1.14      2.18      0.00      0.00      0.00      0.00
06:30:01           lo      6.83      6.83      0.34      0.34      0.00      0.00      0.00      0.00
06:30:01         ens3    101.22     77.00    237.89     25.79      0.00      0.00      0.00      0.00
06:31:01           lo     13.91     13.91      2.54      2.54      0.00      0.00      0.00      0.00
06:31:01         ens3    296.42    198.82    374.99    156.55      0.00      0.00      0.00      0.00
Average:           lo      5.14      5.14      0.64      0.64      0.00      0.00      0.00      0.00
Average:         ens3    290.29    172.08    880.88     81.29      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-105239) 	02/08/25 	_x86_64_	(4 CPU)

06:25:25     LINUX RESTART	(4 CPU)

06:26:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
06:27:01        all     23.01      0.00      1.54      6.14      0.08     69.23
06:27:01          0     13.76      0.00      0.83      9.50      0.07     75.84
06:27:01          1     18.37      0.00      1.48      7.20      0.09     72.87
06:27:01          2     28.25      0.00      2.32      5.45      0.10     63.88
06:27:01          3     31.68      0.00      1.53      2.43      0.07     64.28
06:28:01        all     58.52      0.00      2.04      1.23      0.11     38.09
06:28:01          0     48.65      0.00      2.50      0.47      0.10     48.28
06:28:01          1     62.15      0.00      2.21      1.69      0.12     33.84
06:28:01          2     62.40      0.00      1.72      0.17      0.12     35.59
06:28:01          3     60.96      0.00      1.72      2.61      0.12     34.60
06:29:01        all      0.62      0.00      0.08      2.33      0.04     96.94
06:29:01          0      0.90      0.00      0.13      0.00      0.07     98.90
06:29:01          1      0.53      0.00      0.08      0.00      0.03     99.35
06:29:01          2      0.77      0.00      0.05      0.00      0.03     99.15
06:29:01          3      0.30      0.00      0.05      9.31      0.03     90.30
06:30:01        all      7.67      0.00      0.43      0.12      0.06     91.72
06:30:01          0      6.48      0.00      0.55      0.07      0.07     92.83
06:30:01          1      9.08      0.00      0.42      0.00      0.10     90.40
06:30:01          2      7.99      0.00      0.45      0.03      0.05     91.47
06:30:01          3      7.14      0.00      0.30      0.37      0.02     92.18
06:31:01        all     34.48      0.00      1.32      0.48      0.07     63.65
06:31:01          0     34.28      0.00      1.59      0.23      0.07     63.83
06:31:01          1     19.59      0.00      1.13      0.98      0.07     78.24
06:31:01          2     31.65      0.00      1.22      0.02      0.03     67.08
06:31:01          3     52.52      0.00      1.37      0.70      0.07     45.34
Average:        all     24.85      0.00      1.08      2.04      0.07     71.95
Average:          0     20.86      0.00      1.12      2.03      0.07     75.92
Average:          1     21.93      0.00      1.06      1.95      0.08     74.97
Average:          2     26.17      0.00      1.15      1.12      0.07     71.50
Average:          3     30.46      0.00      0.99      3.09      0.06     65.40