---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31104 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 11G 68G 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 666 10495 4 4827 14980 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:ff:9f:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:feff:9f20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:a5:a5:ff:08:80 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-31104) 06/27/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 11.87 2.01 9.22 0.64 128.58 2578.81 1726.85 15:50:16 26.66 0.76 22.50 3.40 27.24 3249.27 10685.96 Average: 19.44 1.37 16.02 2.05 76.71 2921.96 6312.18 15:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10928228 14192712 1768148 10.80 129052 3264408 2105208 12.08 540164 4535372 22564 15:50:16 9250636 13382104 2570356 15.70 166012 4017372 2798888 16.07 767556 5874668 11564 Average: 10089432 13787408 2169252 13.25 147532 3640890 2452048 14.07 653860 5205020 17064 15:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.86 0.86 0.08 0.08 0.00 0.00 0.00 0.00 15:40:01 ens3 95.11 74.83 670.29 16.24 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:16 lo 1494.25 1494.25 1424.04 1424.04 0.00 0.00 0.00 0.00 15:50:16 ens3 89.46 68.35 328.50 19.39 0.00 0.00 0.00 0.00 15:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 765.19 765.19 728.87 728.87 0.00 0.00 0.00 0.00 Average: ens3 92.22 71.51 495.36 17.85 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-31104) 06/27/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:14 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 44.39 0.00 1.45 0.04 0.07 54.05 15:40:01 0 44.92 0.00 1.88 0.05 0.07 53.07 15:40:01 1 43.05 0.00 1.42 0.06 0.07 55.40 15:40:01 2 45.26 0.00 1.36 0.02 0.08 53.29 15:40:01 3 44.32 0.00 1.15 0.03 0.07 54.43 15:50:16 all 68.93 0.00 2.78 0.05 0.10 28.15 15:50:16 0 69.03 0.00 2.71 0.06 0.10 28.10 15:50:16 1 68.34 0.00 2.73 0.04 0.10 28.79 15:50:16 2 68.99 0.00 2.63 0.03 0.10 28.24 15:50:16 3 69.33 0.00 3.05 0.05 0.10 27.46 Average: all 56.94 0.00 2.13 0.04 0.09 40.80 Average: 0 57.26 0.00 2.30 0.05 0.09 40.30 Average: 1 55.98 0.00 2.09 0.05 0.09 41.79 Average: 2 57.40 0.00 2.01 0.03 0.09 40.48 Average: 3 57.12 0.00 2.13 0.04 0.09 40.63