---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7449 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 67G 14% / 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 665 10271 4 5052 14981 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:6d:cb:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84149sec preferred_lft 84149sec inet6 fe80::f816:3eff:fe6d:cb63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:82:83:f4:1a:ec 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7449) 02/03/26 _x86_64_ (4 CPU) 17:28:49 LINUX RESTART (4 CPU) 17:30:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:23 13.53 1.42 11.26 0.85 640.03 1995.64 19421.04 17:50:01 12.27 1.95 9.40 0.91 129.10 2542.32 1517.99 18:00:01 29.22 0.93 25.01 3.28 30.49 4524.85 10509.04 Average: 18.42 1.43 15.30 1.69 268.36 3026.67 10597.55 17:30:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:23 12780992 15491648 482660 2.95 102828 2798312 993160 5.70 527480 2730940 212 17:50:01 10488060 13974516 1984616 12.12 131064 3488388 2486536 14.27 734756 4779016 23800 18:00:01 8460112 13236648 2712604 16.57 173728 4638188 2856916 16.40 1087072 6348156 58400 Average: 10576388 14234271 1726627 10.55 135873 3641629 2112204 12.12 783103 4619371 27471 17:30:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:23 lo 0.25 0.25 0.03 0.03 0.00 0.00 0.00 0.00 17:40:23 ens3 27.90 18.87 400.04 3.01 0.00 0.00 0.00 0.00 17:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 1.18 1.18 0.12 0.12 0.00 0.00 0.00 0.00 17:50:01 ens3 90.00 67.76 481.25 17.40 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 1504.38 1504.38 1433.26 1433.26 0.00 0.00 0.00 0.00 18:00:01 ens3 93.07 69.54 465.37 17.74 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 508.09 508.09 483.67 483.67 0.00 0.00 0.00 0.00 Average: ens3 70.07 51.85 448.47 12.65 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7449) 02/03/26 _x86_64_ (4 CPU) 17:28:49 LINUX RESTART (4 CPU) 17:30:23 CPU %user %nice %system %iowait %steal %idle 17:40:23 all 1.09 0.00 0.26 0.17 0.02 98.47 17:40:23 0 2.09 0.00 0.35 0.08 0.02 97.46 17:40:23 1 0.74 0.00 0.21 0.05 0.02 98.98 17:40:23 2 0.73 0.00 0.26 0.32 0.03 98.66 17:40:23 3 0.79 0.00 0.20 0.21 0.02 98.78 17:50:01 all 57.22 0.00 1.82 0.06 0.08 40.82 17:50:01 0 57.45 0.00 1.68 0.03 0.08 40.76 17:50:01 1 56.35 0.00 1.71 0.02 0.09 41.84 17:50:01 2 56.52 0.00 1.99 0.07 0.09 41.33 17:50:01 3 58.58 0.00 1.90 0.10 0.08 39.34 18:00:01 all 70.14 0.00 2.70 0.18 0.09 26.89 18:00:01 0 71.16 0.00 2.62 0.12 0.09 26.01 18:00:01 1 67.20 0.00 2.91 0.32 0.09 29.48 18:00:01 2 71.08 0.00 2.45 0.21 0.09 26.16 18:00:01 3 71.11 0.00 2.83 0.08 0.09 25.89 Average: all 42.59 0.00 1.59 0.14 0.07 55.62 Average: 0 43.36 0.00 1.55 0.08 0.07 54.95 Average: 1 41.21 0.00 1.61 0.13 0.07 56.99 Average: 2 42.58 0.00 1.56 0.20 0.07 55.59 Average: 3 43.23 0.00 1.64 0.13 0.06 54.94