---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-6636 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 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  676K  1.6G   1% /run
/dev/vda1        78G  8.3G   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         587       13416           0        2036       15138
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:fc:43:15 brd ff:ff:ff:ff:ff:ff
    inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86238sec preferred_lft 86238sec
    inet6 fe80::f816:3eff:fefc:4315/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-6636) 	10/27/25 	_x86_64_	(4 CPU)

05:59:44     LINUX RESTART	(4 CPU)

06:00:01          tps      rtps      wtps   bread/s   bwrtn/s
06:01:01       356.52     33.91    322.61   1257.39  56825.73
06:02:01       126.58      4.82    121.76    173.84  26265.09
Average:       241.55     19.36    222.19    715.61  41545.41

06:00:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
06:01:01     13868624  15504540   2556344     15.56     67864   1764032    844516      4.83    707340   1624040    232948
06:02:01     13675028  15441912   2749940     16.74     78940   1875340    873332      5.00    812060   1695940     32100
Average:     13771826  15473226   2653142     16.15     73402   1819686    858924      4.92    759700   1659990    132524

06:00:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
06:01:01         ens3    327.00    222.46   1844.08     72.80      0.00      0.00      0.00      0.00
06:01:01           lo      1.40      1.40      0.17      0.17      0.00      0.00      0.00      0.00
06:02:01         ens3     27.41     22.36     33.32      9.16      0.00      0.00      0.00      0.00
06:02:01           lo      1.47      1.47      0.16      0.16      0.00      0.00      0.00      0.00
Average:         ens3    177.20    122.41    938.70     40.98      0.00      0.00      0.00      0.00
Average:           lo      1.43      1.43      0.16      0.16      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-6636) 	10/27/25 	_x86_64_	(4 CPU)

05:59:44     LINUX RESTART	(4 CPU)

06:00:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
06:01:01        all     23.36      0.00      1.91      4.49      0.06     70.18
06:01:01          0      9.84      0.00      0.89     11.43      0.05     77.79
06:01:01          1     16.31      0.00      1.66      2.29      0.07     79.68
06:01:01          2     25.85      0.00      1.50      0.57      0.05     72.03
06:01:01          3     41.44      0.00      3.53      3.72      0.08     51.23
06:02:01        all     17.50      0.00      1.52     10.41      0.05     70.51
06:02:01          0     20.23      0.00      1.72      2.24      0.05     75.75
06:02:01          1     11.69      0.00      1.87     17.80      0.05     68.58
06:02:01          2     32.12      0.00      1.73     11.32      0.07     54.76
06:02:01          3      5.95      0.00      0.77     10.26      0.05     82.97
Average:        all     20.43      0.00      1.71      7.45      0.06     70.34
Average:          0     15.04      0.00      1.31      6.83      0.05     76.77
Average:          1     14.00      0.00      1.76     10.04      0.06     74.13
Average:          2     28.99      0.00      1.62      5.95      0.06     63.39
Average:          3     23.68      0.00      2.15      6.99      0.07     67.11