---> uname -a:
Linux prd-ubuntu1804-docker-4c-4g-894 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            2.0G     0  2.0G   0% /dev
tmpfs           395M  696K  394M   1% /run
/dev/vda1        20G   11G  9.0G  54% /
tmpfs           2.0G     0  2.0G   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           2.0G     0  2.0G   0% /sys/fs/cgroup
/dev/vda15      105M  5.3M  100M   5% /boot/efi
tmpfs           395M     0  395M   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:           3944         481        2564           0         897        3219
Swap:          1023          11        1012

---> 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:05:64:4f brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.181/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 85188sec preferred_lft 85188sec
    inet6 fe80::f816:3eff:fe05:644f/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:d1:b2:19:6d 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
    inet6 fe80::42:d1ff:feb2:196d/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-894) 	04/25/25 	_x86_64_	(4 CPU)

15:34:17     LINUX RESTART	(4 CPU)

15:35:02          tps      rtps      wtps   bread/s   bwrtn/s
15:36:01       101.58     37.89     63.68   1818.54   7273.75
15:37:01        90.50     24.93     65.58   1996.53  21340.49
15:38:01       176.50     22.72    153.77   1624.92  37072.26
15:39:01       321.39     25.37    296.02    696.70  10701.90
15:40:01       441.94      2.78    439.16     76.65  16920.25
15:41:01       538.34      0.12    538.23      1.20  20689.75
15:42:01       478.40      0.20    478.20      1.73  18476.12
15:43:01       283.34      5.43    277.90    120.65  10606.90
15:44:01        17.83      0.18     17.65      1.47    821.06
15:45:01        15.48      0.10     15.38      1.07    372.47
15:46:01      2732.48      1.00   2731.48     10.26  12256.09
15:47:01       495.75      0.25    495.50      6.27  17376.84
15:48:01       349.20     14.81    334.39    404.00  12103.03
15:49:01       590.65      1.83    588.82     92.65  21300.18
15:50:01       584.77     15.26    569.51    320.56  20908.63
15:51:01      1985.52     13.13   1972.39    128.65  20517.38
15:52:01      1897.12     12.40   1884.72    136.78  26981.10
15:53:03       481.09    119.52    361.57   5808.68  17510.69
15:54:01       490.43    164.49    325.94   3106.22  13128.77
Average:       635.86     24.22    611.64    863.37  16139.57

15:35:02    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
15:36:01      1419176   3279240   2619484     64.86     60632   1945972    985880     19.38    636872   1785256    222108
15:37:01       125372   2583496   3913288     96.90     74652   2512724   1515044     29.78   1452572   2224108    225264
15:38:01       218032   1870452   3820628     94.60     86580   1788344   2978884     58.56   2052548   1553152      2640
15:39:01       196944   1459992   3841716     95.12    116524   1369188   3345996     65.77   2431220   1167780     13884
15:40:01       106484   1338192   3932176     97.36    141308   1276456   3488224     68.57   2508704   1117864     12492
15:41:01       119652   1343420   3919008     97.04    157172   1185676   3496528     68.73   2477916   1063928      9844
15:42:01       131204   1332344   3907456     96.75    166552   1099844   3497944     68.76   2453936   1020764     10436
15:43:01       108124   1276420   3930536     97.32    171336   1038300   3601104     70.79   2486260    984172     14060
15:44:01       120748   1270672   3917912     97.01    171036   1022928   3611372     70.99   2479768    979080      1008
15:45:01       115760   1266712   3922900     97.13    171036   1023924   3614508     71.05   2483556    979984       652
15:46:01       206996   1192912   3831664     94.87    171580    987104   3754368     73.80   2550704    953620     13084
15:47:01       124708   1162588   3913952     96.91    171532    973992   3786236     74.43   2572608    947208     15744
15:48:01       122488    709364   3916172     96.97    120444    605492   4523764     88.92   2768684    756440     23848
15:49:01       118380    698404   3920280     97.07    119192    556708   4552056     89.48   2741628    740112     14608
15:50:01       124544    642188   3914116     96.92    110840    469728   4705232     92.49   2723896    710708     17156
15:51:01       119540    632120   3919120     97.04    119744    426340   4715436     92.69   2715840    692280     17824
15:52:01       121692    610924   3916968     96.99    121540    406944   4769592     93.76   2724012    684816     13884
15:53:03      2605596   3319732   1433064     35.48    125128    618512   1214784     23.88    450288    623648    114396
15:54:01      2669160   3310500   1369500     33.91    152756    652056    986456     19.39    586096    612940     17216
Average:       467084   1542088   3571576     88.43    133136   1050539   3323337     65.33   2173532   1031466     40008

15:35:02        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
15:36:01           lo      1.69      1.69      0.16      0.16      0.00      0.00      0.00      0.00
15:36:01         ens3    111.68     96.75   1136.47     18.26      0.00      0.00      0.00      0.00
15:36:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
15:37:01           lo      1.27      1.27      0.12      0.12      0.00      0.00      0.00      0.00
15:37:01         ens3    539.67    516.99   8105.87     63.87      0.00      0.00      0.00      0.00
15:37:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
15:38:01    vethda59169      0.00      0.12      0.00      0.01      0.00      0.00      0.00      0.00
15:38:01    vethca25121      0.12      0.35      0.01      0.03      0.00      0.00      0.00      0.00
15:38:01           lo      3.18      3.18      0.37      0.37      0.00      0.00      0.00      0.00
15:38:01         ens3    408.91    306.15   4067.75     40.34      0.00      0.00      0.00      0.00
15:39:01    vethda59169     65.04     60.28    268.60      6.91      0.00      0.00      0.00      0.02
15:39:01    vethca25121      0.17      0.22      0.01      0.01      0.00      0.00      0.00      0.00
15:39:01           lo    108.65    108.65    273.16    273.16      0.00      0.00      0.00      0.00
15:39:01         ens3      1.48      1.20      1.28      0.79      0.00      0.00      0.00      0.00
15:40:01    vethda59169     89.97     76.34    250.97     26.25      0.00      0.00      0.00      0.02
15:40:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:40:01           lo    139.74    139.74    273.80    273.80      0.00      0.00      0.00      0.00
15:40:01         ens3      1.58      1.32      0.37      1.48      0.00      0.00      0.00      0.00
15:41:01    vethda59169     94.82     77.62    214.24     26.05      0.00      0.00      0.00      0.02
15:41:01    vethca25121      0.18      0.20      0.01      0.01      0.00      0.00      0.00      0.00
15:41:01           lo    145.09    145.09    236.38    236.38      0.00      0.00      0.00      0.00
15:41:01         ens3      0.63      0.45      0.10      0.87      0.00      0.00      0.00      0.00
15:42:01    vethda59169    124.73    107.20    383.57     43.98      0.00      0.00      0.00      0.03
15:42:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:42:01           lo    180.32    180.32    421.44    421.44      0.00      0.00      0.00      0.00
15:42:01         ens3      0.67      0.45      0.12      0.93      0.00      0.00      0.00      0.00
15:43:01    vethda59169    121.10    110.00    485.54     46.68      0.00      0.00      0.00      0.04
15:43:01    vethca25121      0.18      0.20      0.01      0.01      0.00      0.00      0.00      0.00
15:43:01           lo    184.22    184.22    527.69    527.69      0.00      0.00      0.00      0.00
15:43:01         ens3      1.60      1.30      0.31      1.31      0.00      0.00      0.00      0.00
15:44:01    vethda59169     57.91     56.71    273.12     31.09      0.00      0.00      0.00      0.02
15:44:01    vethca25121      0.15      0.15      0.01      0.01      0.00      0.00      0.00      0.00
15:44:01           lo     92.03     92.03    301.97    301.97      0.00      0.00      0.00      0.00
15:44:01         ens3      0.37      0.23      0.06      0.28      0.00      0.00      0.00      0.00
15:45:01    vethda59169     82.32     79.87    392.40     43.36      0.00      0.00      0.00      0.03
15:45:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:45:01           lo    121.68    121.68    432.25    432.25      0.00      0.00      0.00      0.00
15:45:01         ens3      0.53      0.37      0.13      0.33      0.00      0.00      0.00      0.00
15:46:01    vethda59169     85.14     76.84    304.90     26.12      0.00      0.00      0.00      0.02
15:46:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:46:01           lo    142.46    142.46    329.03    329.03      0.00      0.00      0.00      0.00
15:46:01         ens3      1.43      1.15      0.28      1.72      0.00      0.00      0.00      0.00
15:47:01    vethda59169     98.35     83.17    274.38     29.85      0.00      0.00      0.00      0.02
15:47:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:47:01           lo    145.88    145.88    299.95    299.95      0.00      0.00      0.00      0.00
15:47:01         ens3      0.72      0.63      0.13      0.72      0.00      0.00      0.00      0.00
15:48:01    vethda59169    104.40     97.33    307.11     32.85      0.00      0.00      0.00      0.03
15:48:01    vethca25121      0.18      0.20      0.01      0.01      0.00      0.00      0.00      0.00
15:48:01           lo    200.70    200.70    338.54    338.54      0.00      0.00      0.00      0.00
15:48:01         ens3     36.22     25.79      7.24     65.68      0.00      0.00      0.00      0.00
15:49:01    vethda59169     70.72     55.21     41.64      8.38      0.00      0.00      0.00      0.00
15:49:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:49:01           lo    123.71    123.71     48.20     48.20      0.00      0.00      0.00      0.00
15:49:01         ens3      0.32      0.35      0.05      0.24      0.00      0.00      0.00      0.00
15:50:01    vethda59169     72.83     58.45     75.75      7.76      0.00      0.00      0.00      0.01
15:50:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:50:01           lo    129.07    129.07     81.75     81.75      0.00      0.00      0.00      0.00
15:50:01         ens3      0.82      0.63      0.30      0.40      0.00      0.00      0.00      0.00
15:51:01    vethda59169     56.89     44.06     30.96      5.78      0.00      0.00      0.00      0.00
15:51:01    vethca25121      0.17      0.17      0.01      0.01      0.00      0.00      0.00      0.00
15:51:01           lo    100.22    100.22     35.31     35.31      0.00      0.00      0.00      0.00
15:51:01         ens3      0.22      0.17      0.03      0.17      0.00      0.00      0.00      0.00
15:52:01    vethda59169     61.81     48.88     71.25      5.82      0.00      0.00      0.00      0.01
15:52:01    vethca25121      0.18      0.18      0.01      0.01      0.00      0.00      0.00      0.00
15:52:01           lo    106.90    106.90     75.25     75.25      0.00      0.00      0.00      0.00
15:52:01         ens3      0.90      0.62      0.17      0.82      0.00      0.00      0.00      0.00
15:53:03    vethca25121      0.08      0.08      0.00      0.00      0.00      0.00      0.00      0.00
15:53:03           lo     17.47     17.47      1.23      1.23      0.00      0.00      0.00      0.00
15:53:03         ens3     11.36      8.57      2.26     10.74      0.00      0.00      0.00      0.00
15:53:03      docker0   1162.88   1014.48   3266.03    332.19      0.00      0.00      0.00      0.00
15:54:01           lo      0.28      0.28      0.02      0.02      0.00      0.00      0.00      0.00
15:54:01         ens3     40.91     36.58     28.26     54.28      0.00      0.00      0.00      0.00
15:54:01      docker0      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Average:           lo    102.48    102.48    193.72    193.72      0.00      0.00      0.00      0.00
Average:         ens3     60.98     52.55    702.55     13.78      0.00      0.00      0.00      0.00
Average:      docker0     63.02     54.97    176.99     18.00      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-894) 	04/25/25 	_x86_64_	(4 CPU)

15:34:17     LINUX RESTART	(4 CPU)

15:35:02        CPU     %user     %nice   %system   %iowait    %steal     %idle
15:36:01        all     22.00      0.00      1.39      2.63      0.06     73.91
15:36:01          0     17.19      0.00      1.00      1.78      0.03     80.00
15:36:01          1     15.71      0.00      0.94      1.24      0.05     82.06
15:36:01          2     19.44      0.00      1.14      7.27      0.07     72.08
15:36:01          3     35.68      0.00      2.46      0.27      0.07     61.52
15:37:01        all     51.29      0.00      3.10      1.02      0.11     44.48
15:37:01          0     45.06      0.00      2.98      1.78      0.12     50.06
15:37:01          1     53.08      0.00      1.89      0.22      0.12     44.69
15:37:01          2     51.65      0.00      3.56      1.22      0.12     43.45
15:37:01          3     55.34      0.00      3.99      0.85      0.13     39.68
15:38:01        all     41.82      0.00      3.35      3.20      0.10     51.53
15:38:01          0     34.91      0.00      3.17      2.67      0.08     59.17
15:38:01          1     40.70      0.00      2.87      2.20      0.10     54.14
15:38:01          2     43.83      0.00      3.43      4.26      0.12     48.36
15:38:01          3     47.82      0.00      3.93      3.69      0.10     44.46
15:39:01        all     35.95      0.00      3.06      7.14      0.11     53.74
15:39:01          0     39.04      0.00      2.19      4.63      0.10     54.04
15:39:01          1     37.97      0.00      4.00     12.57      0.12     45.34
15:39:01          2     32.94      0.00      3.27      5.22      0.13     58.43
15:39:01          3     33.85      0.00      2.79      6.13      0.12     57.11
15:40:01        all     17.21      0.00      4.35     10.06      0.10     68.29
15:40:01          0     19.05      0.00      3.65      6.61      0.08     70.62
15:40:01          1     15.24      0.00      4.78     11.96      0.08     67.94
15:40:01          2     16.38      0.00      4.89      8.33      0.12     70.29
15:40:01          3     18.18      0.00      4.07     13.37      0.08     64.30
15:41:01        all      9.89      0.00      4.75     12.49      0.10     72.77
15:41:01          0      9.40      0.00      4.89     16.32      0.10     69.28
15:41:01          1      9.36      0.00      4.53      6.71      0.08     79.32
15:41:01          2     10.81      0.00      5.41     13.61      0.15     70.02
15:41:01          3      9.94      0.00      4.20     13.28      0.08     72.49
15:42:01        all     11.80      0.00      4.78     10.82      0.09     72.50
15:42:01          0     13.50      0.00      6.06      8.30      0.07     72.07
15:42:01          1      9.54      0.00      3.51     15.02      0.08     71.84
15:42:01          2      8.39      0.00      3.51      9.95      0.12     78.04
15:42:01          3     15.74      0.00      6.00     10.06      0.08     68.11
15:43:01        all     16.85      0.00      3.42      6.12      0.09     73.53
15:43:01          0     14.68      0.00      2.19      4.06      0.08     78.98
15:43:01          1     16.53      0.00      2.47      2.64      0.08     78.28
15:43:01          2     19.20      0.00      4.99     13.09      0.12     62.60
15:43:01          3     16.99      0.00      4.03      4.74      0.08     74.15
15:44:01        all      6.85      0.00      0.82      0.05      0.05     92.23
15:44:01          0      8.50      0.00      0.85      0.12      0.05     90.48
15:44:01          1      7.94      0.00      1.12      0.02      0.05     90.87
15:44:01          2      5.08      0.00      0.70      0.02      0.03     94.17
15:44:01          3      5.89      0.00      0.65      0.00      0.07     93.39
15:45:01        all      8.60      0.00      1.00      0.03      0.05     90.31
15:45:01          0     10.37      0.00      1.23      0.12      0.05     88.24
15:45:01          1      8.20      0.00      0.95      0.02      0.05     90.78
15:45:01          2      8.63      0.00      0.90      0.02      0.05     90.40
15:45:01          3      7.21      0.00      0.90      0.00      0.05     91.84
15:46:01        all     12.40      0.00      3.85      8.01      0.08     75.66
15:46:01          0     14.03      0.00      5.15     11.51      0.08     69.23
15:46:01          1     11.50      0.00      2.15      4.44      0.08     81.82
15:46:01          2     10.76      0.00      4.65      3.34      0.10     81.15
15:46:01          3     13.33      0.00      3.42     12.74      0.08     70.43

15:46:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
15:47:01        all     10.29      0.00      4.40     11.49      0.10     73.72
15:47:01          0     10.48      0.00      4.86      6.20      0.08     78.38
15:47:01          1     10.57      0.00      5.00     23.57      0.10     60.76
15:47:01          2     11.47      0.00      4.44     10.56      0.13     73.40
15:47:01          3      8.65      0.00      3.33      5.77      0.07     82.18
15:48:01        all     27.01      0.00      4.19      7.72      0.11     60.97
15:48:01          0     22.81      0.00      3.67      8.11      0.10     65.32
15:48:01          1     26.84      0.00      5.27      7.12      0.10     60.67
15:48:01          2     28.80      0.00      4.03      5.91      0.12     61.14
15:48:01          3     29.59      0.00      3.80      9.71      0.12     56.79
15:49:01        all      9.54      0.00      5.25     13.75      0.11     71.36
15:49:01          0      8.56      0.00      4.90      4.73      0.08     81.72
15:49:01          1      9.26      0.00      5.88     28.39      0.12     56.36
15:49:01          2     10.81      0.00      5.47     10.13      0.15     73.43
15:49:01          3      9.53      0.00      4.72     11.73      0.08     73.93
15:50:01        all     10.00      0.00      5.30     13.69      0.10     70.91
15:50:01          0     10.08      0.00      5.37     13.72      0.10     70.73
15:50:01          1      8.79      0.00      4.46      8.91      0.08     77.75
15:50:01          2     10.99      0.00      6.02     15.35      0.15     67.50
15:50:01          3     10.15      0.00      5.36     16.84      0.08     67.56
15:51:01        all      8.11      0.00      5.86     19.71      0.11     66.21
15:51:01          0      7.98      0.00      5.12     15.08      0.10     71.72
15:51:01          1      7.29      0.00      5.35     17.07      0.10     70.20
15:51:01          2      8.50      0.00      6.49     21.17      0.15     63.69
15:51:01          3      8.68      0.00      6.50     25.54      0.12     59.17
15:52:01        all      8.67      0.00      5.85     17.22      0.10     68.15
15:52:01          0      7.62      0.00      5.24     20.42      0.10     66.62
15:52:01          1      9.88      0.00      5.84     11.36      0.08     72.83
15:52:01          2      7.52      0.00      7.09     22.86      0.15     62.37
15:52:01          3      9.64      0.00      5.25     14.29      0.08     70.73
15:53:03        all     22.06      0.00      1.79     16.18      0.08     59.90
15:53:03          0     17.34      0.00      2.01     33.47      0.10     47.09
15:53:03          1     22.89      0.00      1.06      9.66      0.05     66.35
15:53:03          2     24.97      0.00      1.81     14.48      0.13     58.61
15:53:03          3     23.08      0.00      2.27      6.93      0.05     67.67
15:54:01        all      7.64      0.00      1.20     20.58      0.06     70.53
15:54:01          0     16.70      0.00      0.77     11.43      0.03     71.07
15:54:01          1      4.29      0.00      1.22     26.10      0.05     68.33
15:54:01          2      2.23      0.00      1.33     25.61      0.10     70.72
15:54:01          3      7.25      0.00      1.47     19.25      0.03     72.00
Average:        all     17.81      0.00      3.56      9.57      0.09     68.97
Average:          0     17.23      0.00      3.44      9.05      0.08     70.20
Average:          1     17.16      0.00      3.33      9.93      0.08     69.49
Average:          2     17.55      0.00      3.85     10.09      0.12     68.40
Average:          3     19.31      0.00      3.64      9.20      0.08     67.76