---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13977 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 693 10426 4 4869 14953 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:44:89:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84884sec preferred_lft 84884sec inet6 fe80::f816:3eff:fe44:8992/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:03:1b:6c:27:95 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-13977) 12/15/25 _x86_64_ (4 CPU) 23:15:38 LINUX RESTART (4 CPU) 23:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:03 30.56 0.95 15.51 14.10 424.57 3496.08 248571.05 23:40:11 31.07 0.59 26.48 4.01 21.08 3810.39 12016.46 Average: 30.81 0.77 21.02 9.02 221.62 3654.18 129585.77 23:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:03 9869628 13513868 2443008 14.92 145216 3602684 2639648 15.15 761016 5344880 17764 23:40:11 10638720 15264184 685688 4.19 169748 4494792 1168748 6.71 1033828 4195996 15252 Average: 10254174 14389026 1564348 9.55 157482 4048738 1904198 10.93 897422 4770438 16508 23:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:03 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 23:30:03 ens3 84.59 64.87 351.69 17.56 0.00 0.00 0.00 0.00 23:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:11 lo 1476.30 1476.30 1395.60 1395.60 0.00 0.00 0.00 0.00 23:40:11 ens3 120.81 107.08 402.40 196.47 0.00 0.00 0.00 0.00 23:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.29 743.29 702.05 702.05 0.00 0.00 0.00 0.00 Average: ens3 102.81 86.10 377.19 107.55 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-13977) 12/15/25 _x86_64_ (4 CPU) 23:15:38 LINUX RESTART (4 CPU) 23:20:01 CPU %user %nice %system %iowait %steal %idle 23:30:03 all 74.54 0.00 2.37 0.21 0.12 22.75 23:30:03 0 73.69 0.00 2.24 0.25 0.12 23.70 23:30:03 1 76.30 0.00 2.33 0.23 0.12 21.02 23:30:03 2 73.17 0.00 2.46 0.16 0.12 24.09 23:30:03 3 75.01 0.00 2.47 0.21 0.12 22.19 23:40:11 all 51.51 0.00 2.29 0.15 0.09 45.96 23:40:11 0 50.72 0.00 1.90 0.17 0.09 47.12 23:40:11 1 49.83 0.00 2.20 0.05 0.09 47.83 23:40:11 2 51.68 0.00 2.79 0.14 0.09 45.29 23:40:11 3 53.81 0.00 2.26 0.24 0.10 43.59 Average: all 62.95 0.00 2.33 0.18 0.10 34.43 Average: 0 62.12 0.00 2.07 0.21 0.10 35.49 Average: 1 62.96 0.00 2.27 0.14 0.10 34.53 Average: 2 62.36 0.00 2.63 0.15 0.11 34.76 Average: 3 64.35 0.00 2.37 0.23 0.11 32.96