---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-1960 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 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            3.9G     0  3.9G   0% /dev
tmpfs           798M  696K  797M   1% /run
/dev/vda1        20G  9.0G   11G  47% /
tmpfs           3.9G     0  3.9G   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/vda15      105M  5.3M  100M   5% /boot/efi
tmpfs           798M     0  798M   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:           7975         451        5481           0        2043        7250
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 1450 qdisc fq_codel state UP group default qlen 1000
    link/ether fa:16:3e:60:cf:24 brd ff:ff:ff:ff:ff:ff
    inet 10.32.6.70/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86212sec preferred_lft 86212sec
    inet6 fe80::f816:3eff:fe60:cf24/64 scope link 
       valid_lft forever preferred_lft forever
3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default 
    link/ether 02:42:39:e6:5c:17 brd ff:ff:ff:ff:ff:ff
    inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1960) 	12/29/25 	_x86_64_	(4 CPU)

10:28:44     LINUX RESTART	(4 CPU)

10:29:01          tps      rtps      wtps   bread/s   bwrtn/s
10:30:02       160.15     69.18     90.97   5577.61  39681.06
10:31:01        68.89      0.71     68.17     98.02   9492.76
Average:       114.90     35.23     79.67   2861.06  24714.99

10:29:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
10:30:02      5921296   7425336   2246124     27.50     38360   1645752    992472     10.77    576244   1499112     53688
10:31:01      5706572   7426428   2460848     30.13     57716   1830820    979812     10.63    586436   1680884     46488
Average:      5813934   7425882   2353486     28.82     48038   1738286    986142     10.70    581340   1589998     50088

10:29:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
10:30:02      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
10:30:02           lo      1.40      1.40      0.15      0.15      0.00      0.00      0.00      0.00
10:30:02         ens3    452.67    244.29    981.12     66.46      0.00      0.00      0.00      0.00
10:31:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
10:31:01           lo      0.81      0.81      0.09      0.09      0.00      0.00      0.00      0.00
10:31:01         ens3    136.37     88.87    771.37     11.31      0.00      0.00      0.00      0.00
Average:      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:           lo      1.11      1.11      0.12      0.12      0.00      0.00      0.00      0.00
Average:         ens3    295.86    167.24    877.14     39.12      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1960) 	12/29/25 	_x86_64_	(4 CPU)

10:28:44     LINUX RESTART	(4 CPU)

10:29:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
10:30:02        all     19.38      0.00      2.76      5.02      1.13     71.70
10:30:02          0     13.13      0.00      2.04      7.17      1.04     76.63
10:30:02          1     18.26      0.00      4.70      4.55      1.10     71.38
10:30:02          2     29.25      0.00      2.70      7.48      1.40     59.16
10:30:02          3     16.88      0.00      1.62      0.90      0.98     79.62
10:31:01        all     20.96      0.00      1.20      1.98      0.94     74.92
10:31:01          0      0.66      0.00      0.17      0.17      0.41     98.60
10:31:01          1     45.73      0.00      1.79      1.12      1.64     49.72
10:31:01          2     25.92      0.00      1.94      4.27      1.23     66.64
10:31:01          3     11.47      0.00      0.87      2.36      0.48     84.82
Average:        all     20.17      0.00      1.99      3.51      1.04     73.30
Average:          0      6.93      0.00      1.11      3.69      0.72     87.55
Average:          1     31.90      0.00      3.26      2.85      1.37     60.63
Average:          2     27.60      0.00      2.32      5.88      1.32     62.88
Average:          3     14.20      0.00      1.25      1.62      0.73     82.20

