---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22418 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 608 10590 4 4790 15038 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:f1:f8:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84632sec preferred_lft 84632sec inet6 fe80::f816:3eff:fef1:f879/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:5c:07:50:e4:c0 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-22418) 03/24/26 _x86_64_ (4 CPU) 21:55:55 LINUX RESTART (4 CPU) 22:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:13 8.45 2.06 6.21 0.19 129.20 1855.47 301.11 22:20:13 3.24 0.05 3.10 0.09 3.31 356.32 38.51 Average: 5.85 1.05 4.66 0.14 66.25 1105.89 169.81 22:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:13 10183972 13140420 2823480 17.24 111976 3010800 3056736 17.55 486388 5366196 7600 22:20:13 10486856 13581788 2381296 14.54 116216 3134480 2773732 15.92 515048 5017704 47272 Average: 10335414 13361104 2602388 15.89 114096 3072640 2915234 16.73 500718 5191950 27436 22:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:13 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 22:10:13 ens3 56.07 42.41 492.57 5.60 0.00 0.00 0.00 0.00 22:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:13 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 22:20:13 ens3 5.49 4.60 30.21 1.10 0.00 0.00 0.00 0.00 22:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 30.78 23.51 261.39 3.35 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-22418) 03/24/26 _x86_64_ (4 CPU) 21:55:55 LINUX RESTART (4 CPU) 22:00:13 CPU %user %nice %system %iowait %steal %idle 22:10:13 all 46.94 0.00 0.91 0.05 0.07 52.03 22:10:13 0 45.52 0.00 0.96 0.05 0.07 53.40 22:10:13 1 49.22 0.00 0.92 0.05 0.08 49.73 22:10:13 2 52.29 0.00 0.91 0.04 0.08 46.69 22:10:13 3 40.74 0.00 0.86 0.07 0.07 58.27 22:20:13 all 43.22 0.00 0.48 0.01 0.07 56.22 22:20:13 0 45.55 0.00 0.41 0.01 0.06 53.97 22:20:13 1 31.82 0.00 0.43 0.01 0.06 67.69 22:20:13 2 58.62 0.00 0.54 0.02 0.07 40.75 22:20:13 3 36.87 0.00 0.53 0.02 0.07 62.52 Average: all 45.08 0.00 0.70 0.03 0.07 54.12 Average: 0 45.53 0.00 0.69 0.03 0.07 53.68 Average: 1 40.51 0.00 0.67 0.03 0.07 58.71 Average: 2 55.46 0.00 0.73 0.03 0.08 43.71 Average: 3 38.80 0.00 0.69 0.04 0.07 60.39