---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-2556 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:             2800.000
BogoMIPS:            5600.00
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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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  8.6G   69G  12% /
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         554       13052           0        2433       15155
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:13:2a:88 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.171/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86233sec preferred_lft 86233sec
    inet6 fe80::f816:3eff:fe13:2a88/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2556) 	10/17/26 	_x86_64_	(4 CPU)

18:15:44     LINUX RESTART	(4 CPU)

18:16:01          tps      rtps      wtps   bread/s   bwrtn/s
18:17:01       124.45     28.13     96.32    927.71  11833.63
18:18:01       141.99     19.18    122.81   1209.86  20031.32
Average:       133.22     23.65    109.56   1068.80  15932.82

18:16:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
18:17:01     13804452  15577280   2620516     15.95     69992   1894548   1062692      6.08    642368   1745788    301340
18:18:01     13329004  15480988   3095964     18.85    100688   2220996    821868      4.70    815000   2002376    178676
Average:     13566728  15529134   2858240     17.40     85340   2057772    942280      5.39    728684   1874082    240008

18:16:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
18:17:01           lo      1.40      1.40      0.17      0.17      0.00      0.00      0.00      0.00
18:17:01         ens3    147.53     94.73   1790.36     30.18      0.00      0.00      0.00      0.00
18:18:01           lo      2.93      2.93      0.30      0.30      0.00      0.00      0.00      0.00
18:18:01         ens3    141.37    110.13   1377.05     23.94      0.00      0.00      0.00      0.00
Average:           lo      2.17      2.17      0.24      0.24      0.00      0.00      0.00      0.00
Average:         ens3    144.45    102.43   1583.69     27.06      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2556) 	10/17/26 	_x86_64_	(4 CPU)

18:15:44     LINUX RESTART	(4 CPU)

18:16:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
18:17:01        all     20.04      0.00      1.61      2.94      0.01     75.41
18:17:01          0     16.33      0.00      1.29      0.90      0.00     81.48
18:17:01          1      8.12      0.00      0.70      1.64      0.00     89.54
18:17:01          2     31.79      0.00      2.38      1.15      0.03     64.64
18:17:01          3     23.88      0.00      2.04      8.08      0.00     65.99
18:18:01        all     27.88      0.00      2.07      1.18      0.01     68.86
18:18:01          0     18.95      0.00      1.61      1.44      0.00     78.00
18:18:01          1     23.67      0.00      2.09      2.00      0.00     72.24
18:18:01          2     39.39      0.00      2.50      0.78      0.02     57.31
18:18:01          3     29.51      0.00      2.09      0.50      0.00     67.90
Average:        all     23.96      0.00      1.84      2.06      0.01     72.13
Average:          0     17.64      0.00      1.45      1.17      0.00     79.74
Average:          1     15.91      0.00      1.39      1.82      0.00     80.88
Average:          2     35.59      0.00      2.44      0.97      0.03     60.97
Average:          3     26.70      0.00      2.06      4.29      0.00     66.95