---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65855 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 10571 4 4806 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:d4:ca:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84659sec preferred_lft 84659sec inet6 fe80::f816:3eff:fed4:ca99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:06:a6:27:a6:3c 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-65855) 04/02/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:17 3.71 0.11 3.43 0.17 9.11 512.93 190.11 00:50:13 13.50 0.52 12.10 0.89 19.14 2037.73 1474.55 Average: 8.64 0.32 7.79 0.53 14.15 1280.25 836.47 00:30:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:17 10840328 13835308 2128244 13.00 113568 3045900 2431296 13.96 500756 4682752 5820 00:50:13 9091516 12803712 3154904 19.27 135088 3702104 3373236 19.36 720592 6174544 272264 Average: 9965922 13319510 2641574 16.13 124328 3374002 2902266 16.66 610674 5428648 139042 00:30:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:17 lo 0.60 0.60 0.39 0.39 0.00 0.00 0.00 0.00 00:40:17 ens3 9.26 7.55 36.07 2.13 0.00 0.00 0.00 0.00 00:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:13 lo 309.98 309.98 294.60 294.60 0.00 0.00 0.00 0.00 00:50:13 ens3 39.62 26.25 413.20 4.90 0.00 0.00 0.00 0.00 00:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 156.29 156.29 148.44 148.44 0.00 0.00 0.00 0.00 Average: ens3 24.54 16.96 225.85 3.52 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-65855) 04/02/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:28 CPU %user %nice %system %iowait %steal %idle 00:40:17 all 47.15 0.00 0.64 0.03 0.08 52.10 00:40:17 0 60.86 0.00 0.74 0.02 0.09 38.30 00:40:17 1 34.34 0.00 0.59 0.04 0.08 64.96 00:40:17 2 45.21 0.00 0.59 0.03 0.08 54.09 00:40:17 3 48.25 0.00 0.66 0.03 0.07 50.99 00:50:13 all 59.26 0.00 1.11 0.26 0.12 39.25 00:50:13 0 67.94 0.00 1.09 0.31 0.12 30.54 00:50:13 1 67.92 0.00 1.04 0.06 0.12 30.86 00:50:13 2 52.94 0.00 1.24 0.52 0.11 45.19 00:50:13 3 48.23 0.00 1.07 0.16 0.11 50.42 Average: all 53.23 0.00 0.88 0.15 0.10 45.64 Average: 0 64.42 0.00 0.91 0.17 0.10 34.40 Average: 1 51.18 0.00 0.82 0.05 0.10 47.85 Average: 2 49.10 0.00 0.92 0.27 0.10 49.61 Average: 3 48.24 0.00 0.86 0.10 0.09 50.70