---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-96732 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        1638       12185           0        2215       14087
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:d1:35:65 brd ff:ff:ff:ff:ff:ff
    inet 10.30.107.224/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86058sec preferred_lft 86058sec
    inet6 fe80::f816:3eff:fed1:3565/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-96732) 	01/11/25 	_x86_64_	(4 CPU)

06:25:25     LINUX RESTART	(4 CPU)

06:26:02          tps      rtps      wtps   bread/s   bwrtn/s
06:27:01       177.58     34.57    143.01   1821.66  44926.89
06:28:01        56.00      9.88     46.12    799.20   7426.92
06:29:01         6.02      0.00      6.02      0.00    423.80
06:30:01         6.57      0.95      5.62     34.39    522.98
06:31:01        30.68      3.40     27.28    154.11   2023.53
Average:        54.96      9.68     45.28    557.68  10951.24

06:26:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
06:27:01     13595732  15352788   2829236     17.23     70680   1880004    957532      5.48    883640   1715688    110420
06:28:01     12252888  14144284   4172080     25.40     74456   2005772   2073668     11.87   2164288   1767252     11424
06:29:01     12240880  14132284   4184088     25.47     74524   2005812   2089812     11.96   2177100   1767292       112
06:30:01     13631920  15552260   2793048     17.00     76176   2031152    758324      4.34    772780   1781576     14452
06:31:01     12450980  14398432   3973988     24.19     79056   2055780   1881016     10.76   1964364   1768784     16052
Average:     12834480  14716010   3590488     21.86     74978   1995704   1552070      8.88   1592434   1760118     30492

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    175.97    133.62   2261.02     27.82      0.00      0.00      0.00      0.00
06:28:01           lo      1.25      1.25      0.07      0.07      0.00      0.00      0.00      0.00
06:28:01         ens3    504.95    394.35   1472.70    147.14      0.00      0.00      0.00      0.00
06:29:01           lo      3.33      3.33      0.16      0.16      0.00      0.00      0.00      0.00
06:29:01         ens3     19.58     12.58      5.22      5.21      0.00      0.00      0.00      0.00
06:30:01           lo     19.18     19.18      2.69      2.69      0.00      0.00      0.00      0.00
06:30:01         ens3    275.02    195.63    298.26     78.33      0.00      0.00      0.00      0.00
06:31:01           lo      0.67      0.67      0.07      0.07      0.00      0.00      0.00      0.00
06:31:01         ens3    250.47    181.77    364.60    148.17      0.00      0.00      0.00      0.00
Average:           lo      5.10      5.10      0.62      0.62      0.00      0.00      0.00      0.00
Average:         ens3    245.46    183.78    875.80     81.52      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-96732) 	01/11/25 	_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     23.13      0.00      1.43      6.86      0.09     68.49
06:27:01          0     22.59      0.00      1.41      5.62      0.07     70.30
06:27:01          1     28.40      0.00      1.96      2.48      0.10     67.06
06:27:01          2     20.57      0.00      1.29      0.77      0.09     77.29
06:27:01          3     20.94      0.00      1.09     18.56      0.08     59.32
06:28:01        all     57.11      0.00      2.10      0.35      0.10     40.34
06:28:01          0     53.01      0.00      2.73      0.08      0.10     44.08
06:28:01          1     62.02      0.00      1.54      0.25      0.10     36.09
06:28:01          2     55.76      0.00      2.20      0.12      0.12     41.81
06:28:01          3     57.64      0.00      1.94      0.94      0.08     39.40
06:29:01        all      0.85      0.00      0.10      0.15      0.06     98.84
06:29:01          0      1.56      0.00      0.07      0.07      0.05     98.26
06:29:01          1      0.62      0.00      0.12      0.00      0.07     99.20
06:29:01          2      0.63      0.00      0.08      0.00      0.07     99.21
06:29:01          3      0.63      0.00      0.08      0.57      0.03     98.68
06:30:01        all     18.18      0.00      0.82      0.03      0.07     80.90
06:30:01          0     16.43      0.00      1.30      0.02      0.10     82.15
06:30:01          1     18.26      0.00      0.70      0.00      0.08     80.96
06:30:01          2     17.54      0.00      0.85      0.00      0.07     81.54
06:30:01          3     20.53      0.00      0.40      0.08      0.05     78.94
06:31:01        all     26.96      0.00      1.07      0.47      0.06     71.44
06:31:01          0     19.26      0.00      0.90      0.18      0.07     79.59
06:31:01          1     48.17      0.00      1.48      0.27      0.08     50.00
06:31:01          2     22.97      0.00      0.58      0.02      0.05     76.38
06:31:01          3     17.40      0.00      1.34      1.42      0.05     79.79
Average:        all     25.21      0.00      1.10      1.55      0.08     72.06
Average:          0     22.50      0.00      1.28      1.17      0.08     74.97
Average:          1     31.47      0.00      1.16      0.59      0.09     66.69
Average:          2     23.47      0.00      1.00      0.18      0.08     75.27
Average:          3     23.41      0.00      0.97      4.26      0.06     71.30