---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-8929 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:             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            3.9G     0  3.9G   0% /dev
tmpfs           798M  696K  797M   1% /run
/dev/vda1        20G  8.9G   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:           7976         465        5469           0        2041        7236
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:99:fe:0a brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.42/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86212sec preferred_lft 86212sec
    inet6 fe80::f816:3eff:fe99:fe0a/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 02:42:02:4a:10:31 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-8929) 	11/12/25 	_x86_64_	(4 CPU)

10:28:46     LINUX RESTART	(4 CPU)

10:29:01          tps      rtps      wtps   bread/s   bwrtn/s
10:30:01       155.01     69.39     85.62   5602.40  39445.44
10:31:01        70.24      0.73     69.51    101.05   9526.01
Average:       112.62     35.06     77.56   2851.72  24485.73

10:29:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
10:30:01      5936984   7438264   2230444     27.31     37224   1644332    956892     10.38    563444   1498656     54796
10:31:01      5691624   7410612   2475804     30.31     57328   1830428    970064     10.53    602392   1681516     45960
Average:      5814304   7424438   2353124     28.81     47276   1737380    963478     10.45    582918   1590086     50378

10:29:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
10:30:01         ens3    262.11    177.29    943.65     60.95      0.00      0.00      0.00      0.00
10:30:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
10:30:01           lo      1.40      1.40      0.15      0.15      0.00      0.00      0.00      0.00
10:31:01         ens3    134.64     83.19    771.45     11.11      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      0.80      0.80      0.08      0.08      0.00      0.00      0.00      0.00
Average:         ens3    198.38    130.24    857.55     36.03      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      1.10      1.10      0.12      0.12      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-8929) 	11/12/25 	_x86_64_	(4 CPU)

10:28:46     LINUX RESTART	(4 CPU)

10:29:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
10:30:01        all     19.23      0.00      2.67      4.84      1.23     72.02
10:30:01          0     11.43      0.00      1.37      4.51      0.75     81.94
10:30:01          1     21.81      0.00      2.01      6.66      1.40     68.12
10:30:01          2     29.39      0.00      5.30      2.91      1.77     60.64
10:30:01          3     14.32      0.00      2.00      5.28      1.02     77.39
10:31:01        all     20.72      0.00      1.24      1.97      1.01     75.06
10:31:01          0     32.98      0.00      1.04      0.15      1.00     64.84
10:31:01          1     17.21      0.00      1.45      5.98      0.72     74.65
10:31:01          2     12.18      0.00      0.94      1.59      1.46     83.82
10:31:01          3     20.61      0.00      1.51      0.12      0.88     76.88
Average:        all     19.98      0.00      1.95      3.40      1.12     73.54
Average:          0     22.20      0.00      1.20      2.33      0.88     73.39
Average:          1     19.51      0.00      1.73      6.32      1.06     71.38
Average:          2     20.75      0.00      3.11      2.25      1.61     72.28
Average:          3     17.47      0.00      1.76      2.70      0.95     77.13

