---> uname -a:
Linux prd-ubuntu2004-memcached-4c-4g-7762 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 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
Address sizes:                   40 bits physical, 48 bits virtual
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:                       128 KiB
L1i cache:                       128 KiB
L2 cache:                        2 MiB
L3 cache:                        64 MiB
NUMA node0 CPU(s):               0-3
Vulnerability Itlb multihit:     Not affected
Vulnerability L1tf:              Not affected
Vulnerability Mds:               Not affected
Vulnerability Meltdown:          Not affected
Vulnerability Mmio stale data:   Not affected
Vulnerability Retbleed:          Vulnerable
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:        Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds:             Not affected
Vulnerability Tsx async abort:   Not affected
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:
4

---> df -h:
Filesystem      Size  Used Avail Use% Mounted on
udev            7.9G     0  7.9G   0% /dev
tmpfs           1.6G  1.1M  1.6G   1% /run
/dev/vda1        78G  8.7G   69G  12% /
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/loop0       62M   62M     0 100% /snap/core20/1405
/dev/loop1       68M   68M     0 100% /snap/lxd/22753
/dev/vda15      105M  6.1M   99M   6% /boot/efi
/dev/loop2       44M   44M     0 100% /snap/snapd/15177
tmpfs           1.6G     0  1.6G   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:          16009         656       12787           1        2564       15020
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:46:ef:c5 brd ff:ff:ff:ff:ff:ff
    inet 10.30.107.60/23 brd 10.30.107.255 scope global dynamic ens3
       valid_lft 86250sec preferred_lft 86250sec
    inet6 fe80::f816:3eff:fe46:efc5/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-7762) 	05/02/26 	_x86_64_	(4 CPU)

19:18:59     LINUX RESTART	(4 CPU)

19:19:01          tps      rtps      wtps      dtps   bread/s   bwrtn/s   bdscd/s
19:20:01       327.88     58.11    269.77      0.00   4383.14  69923.15      0.00
19:21:01       158.46     28.35    130.11      0.00   1587.87  21120.76      0.00
Average:       243.17     43.23    199.94      0.00   2985.50  45521.95      0.00

19:19:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
19:20:01     13820884  15454328    556896      3.40     73544   1752444   1170020      6.71    713664   1598704    178348
19:21:01     13126284  15405944    582272      3.55    127284   2285596   1180588      6.77    878268   2049040    237756
Average:     13473584  15430136    569584      3.47    100414   2019020   1175304      6.74    795966   1823872    208052

19:19:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
19:20:01           lo      2.73      2.73      0.29      0.29      0.00      0.00      0.00      0.00
19:20:01         ens3    493.87    324.23   1969.20     80.44      0.00      0.00      0.00      0.00
19:21:01           lo      1.20      1.20      0.14      0.14      0.00      0.00      0.00      0.00
19:21:01         ens3    257.47    197.10   2662.01     45.89      0.00      0.00      0.00      0.00
Average:           lo      1.97      1.97      0.21      0.21      0.00      0.00      0.00      0.00
Average:         ens3    375.67    260.66   2315.61     63.16      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-7762) 	05/02/26 	_x86_64_	(4 CPU)

19:18:59     LINUX RESTART	(4 CPU)

19:19:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
19:20:01        all     21.09      0.00      2.75      6.73      0.06     69.37
19:20:01          0     35.17      0.00      3.17      4.14      0.07     57.45
19:20:01          1     20.83      0.00      4.19     13.06      0.07     61.85
19:20:01          2     13.95      0.00      2.09      8.78      0.07     75.11
19:20:01          3     14.43      0.00      1.56      0.92      0.05     83.04
19:21:01        all     26.72      0.00      2.49      2.08      0.08     68.63
19:21:01          0     24.60      0.00      2.82      5.11      0.08     67.39
19:21:01          1     26.91      0.00      2.84      1.81      0.07     68.37
19:21:01          2     15.99      0.00      1.56      0.18      0.08     82.18
19:21:01          3     39.37      0.00      2.73      1.20      0.08     56.61
Average:        all     23.90      0.00      2.62      4.41      0.07     69.00
Average:          0     29.89      0.00      2.99      4.62      0.08     62.42
Average:          1     23.87      0.00      3.52      7.44      0.07     65.11
Average:          2     14.96      0.00      1.83      4.50      0.08     78.63
Average:          3     26.90      0.00      2.14      1.06      0.07     69.83

