---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28696 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled 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; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 739 9407 4 5842 14907 Swap: 1023 0 1023 ---> ip addr: 1: lo: 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: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:2d:ae:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83801sec preferred_lft 83801sec inet6 fe80::f816:3eff:fe2d:aeae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:bd:f9:69:ea:a1 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28696) 06/19/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 15.77 2.32 12.51 0.94 136.93 3328.07 1537.44 20:50:01 55.10 0.34 45.46 9.31 10.28 4506.50 24564.18 21:00:10 44.13 0.29 36.32 7.52 11.48 5170.11 14810.49 Average: 38.35 0.98 31.44 5.93 52.67 4340.44 13628.77 20:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 10261012 13726576 2232424 13.63 151192 3427044 2549732 14.64 591708 5117488 50976 20:50:01 8676124 13167628 2782164 16.99 201792 4316180 3089232 17.73 822692 6391224 90888 21:00:10 9743848 15359380 586340 3.58 239032 5337924 1118880 6.42 1209080 4830376 28328 Average: 9560328 14084528 1866976 11.40 197339 4360383 2252615 12.93 874493 5446363 56731 20:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 20:40:07 ens3 104.17 77.77 540.07 19.34 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 4647.67 4647.67 4430.77 4430.77 0.00 0.00 0.00 0.00 20:50:01 ens3 87.73 65.78 323.96 18.84 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 3745.67 3745.67 3568.83 3568.83 0.00 0.00 0.00 0.00 21:00:10 ens3 80.60 62.84 99.16 31.17 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2801.94 2801.94 2670.14 2670.14 0.00 0.00 0.00 0.00 Average: ens3 90.77 68.76 319.52 23.18 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 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28696) 06/19/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:10 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 62.17 0.00 2.24 0.05 0.09 35.45 20:40:07 0 59.71 0.00 2.11 0.07 0.09 38.02 20:40:07 1 64.61 0.00 2.32 0.04 0.09 32.94 20:40:07 2 62.97 0.00 2.24 0.05 0.09 34.66 20:40:07 3 61.38 0.00 2.28 0.06 0.09 36.18 20:50:01 all 63.52 0.00 4.13 0.10 0.09 32.16 20:50:01 0 63.19 0.00 4.07 0.16 0.08 32.51 20:50:01 1 64.36 0.00 4.60 0.09 0.08 30.87 20:50:01 2 61.55 0.00 3.91 0.09 0.09 34.36 20:50:01 3 64.98 0.00 3.94 0.07 0.09 30.92 21:00:10 all 59.72 0.00 3.89 0.16 0.09 36.15 21:00:10 0 60.62 0.00 4.01 0.15 0.09 35.13 21:00:10 1 58.89 0.00 3.77 0.10 0.09 37.15 21:00:10 2 58.74 0.00 3.84 0.11 0.09 37.23 21:00:10 3 60.63 0.00 3.92 0.27 0.09 35.09 Average: all 61.79 0.00 3.42 0.10 0.09 34.60 Average: 0 61.17 0.00 3.40 0.12 0.09 35.22 Average: 1 62.59 0.00 3.56 0.07 0.09 33.68 Average: 2 61.07 0.00 3.33 0.08 0.09 35.43 Average: 3 62.32 0.00 3.38 0.14 0.09 34.08