---> uname -a:
Linux prd-centos8-robot-2c-8g-1781.novalocal 4.18.0-553.5.1.el8.x86_64 #1 SMP Tue May 21 05:46:01 UTC 2024 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):              2
On-line CPU(s) list: 0,1
Thread(s) per core:  1
Core(s) per socket:  1
Socket(s):           2
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):   0,1
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 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 wbnoinvd arat npt nrip_save umip rdpid arch_capabilities

---> nproc:
2

---> df -h:
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        3.8G     0  3.8G   0% /dev
tmpfs           3.8G     0  3.8G   0% /dev/shm
tmpfs           3.8G   25M  3.8G   1% /run
tmpfs           3.8G     0  3.8G   0% /sys/fs/cgroup
/dev/vda1        40G   19G   22G  46% /
tmpfs           770M     0  770M   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:           7697         749         166          26        6781        6622
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: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1458 qdisc mq state UP group default qlen 1000
    link/ether fa:16:3e:0f:f4:f8 brd ff:ff:ff:ff:ff:ff
    altname enp0s3
    altname ens3
    inet 10.30.170.50/23 brd 10.30.171.255 scope global dynamic noprefixroute eth0
       valid_lft 82701sec preferred_lft 82701sec
    inet6 fe80::f816:3eff:fe0f:f4f8/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.18.0-553.5.1.el8.x86_64 (prd-centos8-robot-2c-8g-1781.novalocal) 	01/19/2026 	_x86_64_	(2 CPU)

12:00:02 AM       tps      rtps      wtps   bread/s   bwrtn/s
12:01:01 AM      1.42      0.41      1.02    232.87    287.73
12:02:01 AM     19.90      9.49     10.41   2156.78    528.11
12:03:01 AM     74.49     34.17     40.32   6439.32   2281.31
Average:        32.10     14.77     17.34   2957.95   1036.43

12:00:02 AM kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
12:01:01 AM    136988   6831808   7745444     98.26      2104   6734008    822092      9.20    494164   6615608         4
12:02:01 AM    137028   6752028   7745404     98.26      2104   6661360    811068      9.08    499076   6627840     67260
12:03:01 AM    195168   6801876   7687264     97.52      2104   6656904    756152      8.47    503136   6570200     12476
Average:       156395   6795237   7726037     98.02      2104   6684091    796437      8.92    498792   6604549     26580

12:00:02 AM     IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
12:01:01 AM        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:01:01 AM      eth0     24.25     24.72    236.31      1.89      0.00      0.00      0.00      0.00
12:02:01 AM        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:02:01 AM      eth0     74.96     55.64    393.12     73.68      0.00      0.00      0.00      0.00
12:03:01 AM        lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12:03:01 AM      eth0     15.61     14.43     13.46      7.15      0.00      0.00      0.00      0.00
Average:           lo      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:         eth0     38.36     31.64    214.22     27.73      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.18.0-553.5.1.el8.x86_64 (prd-centos8-robot-2c-8g-1781.novalocal) 	01/19/2026 	_x86_64_	(2 CPU)

12:00:02 AM     CPU     %user     %nice   %system   %iowait    %steal     %idle
12:01:01 AM     all      1.48      0.03      0.39      0.11      0.04     97.95
12:01:01 AM       0      1.85      0.05      0.56      0.07      0.03     97.43
12:01:01 AM       1      1.10      0.00      0.22      0.15      0.05     98.47
12:02:01 AM     all     13.14      0.00      1.96      0.79      0.06     84.06
12:02:01 AM       0      8.73      0.00      1.72      0.33      0.05     89.16
12:02:01 AM       1     17.54      0.00      2.19      1.24      0.07     78.97
12:03:01 AM     all     28.60      0.00      3.61      2.53      0.12     65.14
12:03:01 AM       0     20.14      0.00      3.28      2.33      0.10     74.15
12:03:01 AM       1     37.03      0.00      3.93      2.73      0.13     56.17
Average:        all     14.48      0.01      1.99      1.15      0.07     82.30
Average:          0     10.28      0.02      1.86      0.91      0.06     86.86
Average:          1     18.66      0.00      2.13      1.38      0.08     77.75