---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16842 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 633 10335 4 5020 15013 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:eb:d7:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84828sec preferred_lft 84828sec inet6 fe80::f816:3eff:feeb:d704/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:ba:96:e9:8f:42 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16842) 12/27/25 _x86_64_ (4 CPU) 20:09:16 LINUX RESTART (4 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 40.35 3.54 23.30 13.51 774.05 4413.97 256944.14 20:30:02 3.54 0.23 3.21 0.10 9.11 426.22 140.52 Average: 21.88 1.88 13.22 6.78 390.24 2413.09 128091.29 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9917940 13128148 2833876 17.31 114120 3263088 3077788 17.67 679712 5431828 21148 20:30:02 10225484 13560848 2400228 14.66 118024 3374404 2667924 15.31 707824 5096124 25952 Average: 10071712 13344498 2617052 15.98 116072 3318746 2872856 16.49 693768 5263976 23550 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.55 0.55 0.08 0.08 0.00 0.00 0.00 0.00 20:20:01 ens3 73.28 56.63 977.36 8.80 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:02 lo 0.74 0.74 0.38 0.38 0.00 0.00 0.00 0.00 20:30:02 ens3 4.74 4.03 30.02 1.01 0.00 0.00 0.00 0.00 20:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.23 0.23 0.00 0.00 0.00 0.00 Average: ens3 38.89 30.24 502.03 4.89 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16842) 12/27/25 _x86_64_ (4 CPU) 20:09:16 LINUX RESTART (4 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 49.41 0.00 1.25 0.29 0.08 48.97 20:20:01 0 49.46 0.00 1.13 0.23 0.08 49.10 20:20:01 1 47.92 0.00 1.00 0.30 0.07 50.70 20:20:01 2 46.01 0.00 1.52 0.44 0.08 51.96 20:20:01 3 54.27 0.00 1.35 0.19 0.07 44.12 20:30:02 all 43.62 0.00 0.54 0.02 0.07 55.75 20:30:02 0 28.82 0.00 0.65 0.01 0.08 70.45 20:30:02 1 27.18 0.00 0.39 0.04 0.07 72.31 20:30:02 2 77.93 0.00 0.63 0.02 0.08 21.34 20:30:02 3 40.55 0.00 0.50 0.01 0.06 58.88 Average: all 46.50 0.00 0.89 0.16 0.07 52.37 Average: 0 39.10 0.00 0.89 0.12 0.08 59.82 Average: 1 37.51 0.00 0.70 0.17 0.07 61.55 Average: 2 62.03 0.00 1.07 0.23 0.08 36.59 Average: 3 47.38 0.00 0.92 0.10 0.07 51.53