---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-81435 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   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         561       13223           0        2255       15162
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:76:e7:97 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.202/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86036sec preferred_lft 86036sec
    inet6 fe80::f816:3eff:fe76:e797/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-81435) 	11/04/24 	_x86_64_	(4 CPU)

06:43:35     LINUX RESTART	(4 CPU)

06:44:01          tps      rtps      wtps   bread/s   bwrtn/s
06:45:02       129.26     27.56    101.70   1242.19  27097.22
06:46:01       132.53     10.54    121.99    583.12  34618.77
06:47:02        19.98      0.46     19.52     15.87  19156.99
06:48:01         6.07      0.44      5.63      8.13   1841.45
06:49:01        10.15      1.97      8.18     60.79    458.32
Average:        59.40      8.19     51.22    381.38  16632.92

06:44:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
06:45:02     13622780  15294924   2802188     17.06     69156   1798292   1332700      7.63    962420   1615584    221184
06:46:01     12561156  14505336   3863812     23.52     78304   2051748   1703288      9.75   1801776   1816312     21868
06:47:02     11690128  13639288   4734840     28.83     78632   2055832   2497272     14.29   2678876   1805812      1068
06:48:01     10854992  12813752   5569976     33.91     78884   2064816   3267360     18.70   3511080   1805924      2608
06:49:01     13569028  15546804   2855940     17.39     80504   2081012    832540      4.76    798928   1811876     16248
Average:     12459617  14360021   3965351     24.14     77096   2010340   1926632     11.03   1950616   1771102     52595

06:44:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
06:45:02           lo      1.53      1.53      0.16      0.16      0.00      0.00      0.00      0.00
06:45:02         ens3     82.49     59.61   1145.52     16.80      0.00      0.00      0.00      0.00
06:46:01           lo      0.27      0.27      0.02      0.02      0.00      0.00      0.00      0.00
06:46:01         ens3    286.48    250.64   3544.35     43.38      0.00      0.00      0.00      0.00
06:47:02           lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
06:47:02         ens3     14.31     13.08      2.82     22.46      0.00      0.00      0.00      0.00
06:48:01           lo      6.35      6.35      0.78      0.78      0.00      0.00      0.00      0.00
06:48:01         ens3     27.57     24.15      5.58     25.65      0.00      0.00      0.00      0.00
06:49:01           lo      1.97      1.97      0.14      0.14      0.00      0.00      0.00      0.00
06:49:01         ens3     46.71     39.44     21.79     13.09      0.00      0.00      0.00      0.00
Average:           lo      2.01      2.01      0.22      0.22      0.00      0.00      0.00      0.00
Average:         ens3     90.82     76.77    935.39     24.20      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-81435) 	11/04/24 	_x86_64_	(4 CPU)

06:43:35     LINUX RESTART	(4 CPU)

06:44:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
06:45:02        all     22.96      0.00      1.54      4.68      0.07     70.74
06:45:02          0     34.14      0.00      1.94      2.13      0.05     61.74
06:45:02          1     18.85      0.00      1.10      6.42      0.07     73.56
06:45:02          2     14.38      0.00      1.38      8.05      0.07     76.12
06:45:02          3     24.47      0.00      1.76      2.16      0.08     71.53
06:46:01        all     45.18      0.00      1.83      3.26      0.10     49.63
06:46:01          0     44.95      0.00      2.10      1.29      0.14     51.52
06:46:01          1     51.74      0.00      1.20      5.99      0.07     41.00
06:46:01          2     39.57      0.00      2.20      4.49      0.10     53.63
06:46:01          3     44.47      0.00      1.83      1.25      0.10     52.35
06:47:02        all     29.71      0.00      0.56      2.60      0.07     67.07
06:47:02          0     29.58      0.00      0.58     10.27      0.07     59.51
06:47:02          1     34.40      0.00      0.58      0.10      0.07     64.86
06:47:02          2     24.24      0.00      0.53      0.03      0.08     75.12
06:47:02          3     30.58      0.00      0.56      0.02      0.07     68.78
06:48:01        all     38.50      0.00      0.61      1.28      0.08     59.53
06:48:01          0     25.91      0.00      0.54      4.71      0.07     68.76
06:48:01          1     40.44      0.00      0.51      0.41      0.07     58.57
06:48:01          2     32.04      0.00      0.52      0.00      0.07     67.37
06:48:01          3     55.75      0.00      0.82      0.00      0.12     43.31
06:49:01        all     46.33      0.00      1.22      0.86      0.11     51.47
06:49:01          0     34.80      0.00      1.00      2.14      0.08     61.98
06:49:01          1     64.95      0.00      1.64      0.97      0.15     32.29
06:49:01          2     45.68      0.00      1.08      0.19      0.13     52.92
06:49:01          3     39.85      0.00      1.17      0.17      0.10     58.71
Average:        all     36.47      0.00      1.15      2.54      0.09     59.76
Average:          0     33.85      0.00      1.23      4.14      0.08     60.71
Average:          1     42.00      0.00      1.01      2.76      0.08     54.15
Average:          2     31.10      0.00      1.14      2.54      0.09     65.13
Average:          3     38.90      0.00      1.23      0.72      0.09     59.06