---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14011 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 68G 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 626 10679 4 4683 15020 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:de:d8:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84796sec preferred_lft 84796sec inet6 fe80::f816:3eff:fede:d81c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:5e:73:c5:43:e0 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-14011) 12/16/25 _x86_64_ (4 CPU) 00:26:06 LINUX RESTART (4 CPU) 00:30:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:11 5.81 0.14 5.32 0.35 10.36 763.27 357.67 00:50:01 16.74 0.55 14.91 1.29 19.84 2387.48 7449.00 Average: 11.35 0.35 10.18 0.82 15.17 1586.99 3954.03 00:30:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:11 8505216 11373108 4590624 28.04 109996 2929136 4692648 26.94 492000 7047320 24 00:50:01 10241928 13611168 2348584 14.34 129932 3380556 2484116 14.26 672168 5082368 56472 Average: 9373572 12492138 3469604 21.19 119964 3154846 3588382 20.60 582084 6064844 28248 00:30:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:11 lo 0.64 0.64 0.40 0.40 0.00 0.00 0.00 0.00 00:40:11 ens3 14.94 11.12 128.45 2.61 0.00 0.00 0.00 0.00 00:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 365.02 365.02 347.30 347.30 0.00 0.00 0.00 0.00 00:50:01 ens3 42.48 29.11 417.16 4.89 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 185.43 185.43 176.33 176.33 0.00 0.00 0.00 0.00 Average: ens3 28.91 20.25 274.87 3.76 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-14011) 12/16/25 _x86_64_ (4 CPU) 00:26:06 LINUX RESTART (4 CPU) 00:30:37 CPU %user %nice %system %iowait %steal %idle 00:40:11 all 46.92 0.00 0.76 0.05 0.07 52.20 00:40:11 0 52.82 0.00 0.82 0.02 0.08 46.26 00:40:11 1 49.94 0.00 0.80 0.03 0.07 49.16 00:40:11 2 41.95 0.00 0.71 0.07 0.07 57.21 00:40:11 3 42.98 0.00 0.72 0.06 0.07 56.16 00:50:01 all 52.72 0.00 1.23 0.07 0.08 45.91 00:50:01 0 43.54 0.00 1.37 0.06 0.08 54.96 00:50:01 1 42.14 0.00 1.19 0.09 0.08 56.50 00:50:01 2 67.27 0.00 1.13 0.04 0.08 31.49 00:50:01 3 57.93 0.00 1.22 0.08 0.08 40.69 Average: all 49.86 0.00 1.00 0.06 0.07 49.01 Average: 0 48.11 0.00 1.10 0.04 0.08 50.67 Average: 1 45.99 0.00 1.00 0.06 0.07 52.88 Average: 2 54.77 0.00 0.92 0.06 0.07 44.18 Average: 3 50.56 0.00 0.97 0.07 0.07 48.32