---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-264002 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 639 10567 4 4782 15007 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:04:5e:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84858sec preferred_lft 84858sec inet6 fe80::f816:3eff:fe04:5e21/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:65:a8:c1:2d:67 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-264002) 03/08/26 _x86_64_ (4 CPU) 13:28:02 LINUX RESTART (4 CPU) 13:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 11.29 2.13 8.80 0.36 133.54 2769.15 889.99 13:50:21 8.22 0.51 7.24 0.47 18.52 1563.79 719.63 Average: 9.73 1.30 8.01 0.42 75.15 2157.29 803.51 13:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 9384952 12346584 3616232 22.09 113556 3014004 3804664 21.84 497180 6151532 7456 13:50:21 8838348 12331412 3627960 22.16 131304 3496396 3858928 22.15 634200 6532624 113396 Average: 9111650 12338998 3622096 22.12 122430 3255200 3831796 21.99 565690 6342078 60426 13:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 0.69 0.69 0.39 0.39 0.00 0.00 0.00 0.00 13:40:01 ens3 50.00 40.65 648.82 5.81 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:21 lo 197.66 197.66 187.77 187.77 0.00 0.00 0.00 0.00 13:50:21 ens3 33.86 26.96 396.31 3.42 0.00 0.00 0.00 0.00 13:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 100.67 100.67 95.51 95.51 0.00 0.00 0.00 0.00 Average: ens3 41.81 33.70 520.64 4.60 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-264002) 03/08/26 _x86_64_ (4 CPU) 13:28:02 LINUX RESTART (4 CPU) 13:30:01 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 51.82 0.00 0.94 0.06 0.08 47.11 13:40:01 0 54.18 0.00 0.95 0.03 0.08 44.77 13:40:01 1 52.60 0.00 1.02 0.05 0.08 46.25 13:40:01 2 47.38 0.00 0.96 0.08 0.08 51.49 13:40:01 3 53.12 0.00 0.82 0.07 0.08 45.91 13:50:21 all 51.63 0.00 0.83 0.03 0.08 47.44 13:50:21 0 45.66 0.00 0.69 0.02 0.07 53.55 13:50:21 1 55.32 0.00 1.02 0.02 0.08 43.56 13:50:21 2 38.24 0.00 0.77 0.04 0.08 60.87 13:50:21 3 67.36 0.00 0.83 0.01 0.07 31.72 Average: all 51.72 0.00 0.88 0.04 0.08 47.28 Average: 0 49.85 0.00 0.82 0.03 0.08 49.23 Average: 1 53.98 0.00 1.02 0.04 0.08 44.89 Average: 2 42.74 0.00 0.87 0.06 0.08 56.25 Average: 3 60.35 0.00 0.83 0.04 0.08 38.71