---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64620 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 612 10298 4 5078 15033 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:16:99:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84983sec preferred_lft 84983sec inet6 fe80::f816:3eff:fe16:99e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:94:3e:a8:95:3d 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-64620) 10/12/26 _x86_64_ (4 CPU) 17:09:22 LINUX RESTART (4 CPU) 17:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 33.15 15.11 17.24 0.81 307.42 4483.21 1075.37 17:30:32 16.70 0.49 14.94 1.27 18.86 2286.55 4606.16 Average: 24.68 7.58 16.05 1.05 158.77 3351.61 2894.23 17:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9480704 12659336 3302384 20.17 117504 3204912 3491008 20.04 521936 6012356 252 17:30:32 9637032 13440148 2517244 15.37 138548 3772464 2779760 15.96 724608 5610380 115272 Average: 9558868 13049742 2909814 17.77 128026 3488688 3135384 18.00 623272 5811368 57762 17:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 17:20:01 ens3 113.22 87.40 910.33 10.95 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:32 lo 467.49 467.49 445.50 445.50 0.00 0.00 0.00 0.00 17:30:32 ens3 51.12 39.35 456.19 4.69 0.00 0.00 0.00 0.00 17:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 241.25 241.25 229.54 229.54 0.00 0.00 0.00 0.00 Average: ens3 81.23 62.65 676.38 7.72 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-64620) 10/12/26 _x86_64_ (4 CPU) 17:09:22 LINUX RESTART (4 CPU) 17:10:08 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 49.16 0.07 1.32 0.30 0.03 49.14 17:20:01 0 49.39 0.26 1.22 0.40 0.03 48.70 17:20:01 1 50.01 0.00 1.44 0.11 0.03 48.40 17:20:01 2 46.45 0.00 1.19 0.13 0.02 52.22 17:20:01 3 50.77 0.01 1.41 0.54 0.03 47.23 17:30:32 all 53.79 0.00 1.30 0.06 0.04 44.81 17:30:32 0 48.70 0.00 1.27 0.04 0.03 49.96 17:30:32 1 61.13 0.00 1.47 0.04 0.06 37.30 17:30:32 2 54.10 0.00 1.19 0.03 0.04 44.64 17:30:32 3 51.25 0.00 1.28 0.14 0.04 47.30 Average: all 51.54 0.03 1.31 0.18 0.03 46.91 Average: 0 49.04 0.12 1.25 0.21 0.03 49.35 Average: 1 55.73 0.00 1.45 0.08 0.04 42.69 Average: 2 50.39 0.00 1.19 0.08 0.03 48.32 Average: 3 51.02 0.00 1.34 0.34 0.04 47.27