---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35703 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 611 10586 4 4791 15035 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:ac:cc:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84566sec preferred_lft 84566sec inet6 fe80::f816:3eff:feac:cc7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:fa:1d:95:c8:4f 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-35703) 03/25/26 _x86_64_ (4 CPU) 08:04:22 LINUX RESTART (4 CPU) 08:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:09 3.69 0.07 3.45 0.17 7.11 548.26 227.07 08:30:09 12.22 0.51 11.05 0.66 18.97 2582.17 3142.57 Average: 7.95 0.29 7.25 0.41 13.04 1565.23 1684.85 08:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:09 10791460 13793600 2169996 13.25 113284 3051872 2410592 13.84 496832 4731036 14684 08:30:09 9078124 12747264 3211828 19.62 132416 3663608 3367076 19.33 697432 6205568 267824 Average: 9934792 13270432 2690912 16.43 122850 3357740 2888834 16.58 597132 5468302 141254 08:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:09 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 08:20:09 ens3 7.65 6.71 35.89 1.93 0.00 0.00 0.00 0.00 08:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:09 lo 258.47 258.47 246.27 246.27 0.00 0.00 0.00 0.00 08:30:09 ens3 35.12 25.20 407.81 3.37 0.00 0.00 0.00 0.00 08:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 129.53 129.53 123.32 123.32 0.00 0.00 0.00 0.00 Average: ens3 21.39 15.96 221.86 2.65 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-35703) 03/25/26 _x86_64_ (4 CPU) 08:04:22 LINUX RESTART (4 CPU) 08:10:09 CPU %user %nice %system %iowait %steal %idle 08:20:09 all 48.80 0.00 0.71 0.02 0.09 50.38 08:20:09 0 57.59 0.00 0.75 0.01 0.10 41.55 08:20:09 1 41.28 0.00 0.62 0.02 0.08 58.01 08:20:09 2 43.67 0.00 0.64 0.04 0.09 55.56 08:20:09 3 52.68 0.00 0.82 0.01 0.10 46.39 08:30:09 all 55.41 0.00 0.97 1.42 0.12 42.09 08:30:09 0 47.49 0.00 0.70 1.05 0.11 50.65 08:30:09 1 45.99 0.00 1.05 1.00 0.10 51.86 08:30:09 2 82.15 0.00 1.08 1.95 0.15 14.67 08:30:09 3 46.06 0.00 1.03 1.66 0.10 51.15 Average: all 52.11 0.00 0.84 0.72 0.11 46.23 Average: 0 52.54 0.00 0.72 0.53 0.11 46.10 Average: 1 43.63 0.00 0.83 0.51 0.09 54.93 Average: 2 62.90 0.00 0.86 1.00 0.12 35.13 Average: 3 49.36 0.00 0.93 0.84 0.10 48.77