---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-5037 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  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         535       13340           0        2163       15191
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:03:bc:21 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.60/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86239sec preferred_lft 86239sec
    inet6 fe80::f816:3eff:fe03:bc21/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5037) 	10/25/26 	_x86_64_	(4 CPU)

22:21:27     LINUX RESTART	(4 CPU)

22:22:02          tps      rtps      wtps   bread/s   bwrtn/s
22:23:01        93.27      0.41     92.87     34.30  38162.48
22:24:01       154.61     49.38    105.23   1821.30  14325.75
Average:       124.20     25.10     99.10    935.30  26143.98

22:22:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
22:23:01     13805560  15536224   2619408     15.95     68868   1854984    820760      4.70    687368   1700960    298852
22:24:01     13645808  15539988   2779160     16.92     75624   2006696    799616      4.58    738044   1801680     32044
Average:     13725684  15538106   2699284     16.43     72246   1930840    810188      4.64    712706   1751320    165448

22:22:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
22:23:01           lo      0.75      0.75      0.09      0.09      0.00      0.00      0.00      0.00
22:23:01         ens3    118.42     78.88   1220.27     24.19      0.00      0.00      0.00      0.00
22:24:01           lo      0.80      0.80      0.08      0.08      0.00      0.00      0.00      0.00
22:24:01         ens3    134.13    112.63   1193.22     26.37      0.00      0.00      0.00      0.00
Average:           lo      0.77      0.77      0.09      0.09      0.00      0.00      0.00      0.00
Average:         ens3    126.34     95.90   1206.63     25.29      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5037) 	10/25/26 	_x86_64_	(4 CPU)

22:21:27     LINUX RESTART	(4 CPU)

22:22:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
22:23:01        all     15.86      0.00      1.14      2.18      0.00     80.81
22:23:01          0      3.70      0.00      0.34      0.00      0.00     95.96
22:23:01          1     13.73      0.00      1.09      7.78      0.00     77.40
22:23:01          2     24.94      0.00      1.92      0.48      0.02     72.65
22:23:01          3     21.21      0.00      1.24      0.53      0.00     77.02
22:24:01        all     32.21      0.00      2.28      0.85      0.03     64.63
22:24:01          0     46.65      0.00      3.20      0.37      0.03     49.75
22:24:01          1     23.92      0.00      1.94      0.59      0.02     73.54
22:24:01          2     29.26      0.00      2.39      1.31      0.02     67.03
22:24:01          3     28.98      0.00      1.59      1.12      0.03     68.28
Average:        all     24.09      0.00      1.72      1.51      0.01     72.67
Average:          0     25.24      0.00      1.77      0.18      0.02     72.79
Average:          1     18.87      0.00      1.52      4.15      0.01     75.45
Average:          2     27.11      0.00      2.16      0.89      0.02     69.82
Average:          3     25.12      0.00      1.41      0.83      0.02     72.62