---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17701 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 621 10319 4 5048 15025 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:70:63:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84783sec preferred_lft 84783sec inet6 fe80::f816:3eff:fe70:6330/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:b6:d2:4d:0c:f5 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-17701) 12/31/25 _x86_64_ (4 CPU) 20:07:30 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:06 13.63 2.66 10.23 0.75 733.10 2776.62 15552.27 20:30:01 6.79 0.53 5.95 0.31 19.35 797.70 210.14 Average: 10.24 1.60 8.11 0.53 379.32 1795.75 7947.79 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:06 9069164 12310600 3651512 22.30 114552 3293092 3834896 22.01 699912 6265760 1524 20:30:01 8871452 12789516 3168348 19.35 132048 3915136 3412528 19.59 806932 6307888 474104 Average: 8970308 12550058 3409930 20.83 123300 3604114 3623712 20.80 753422 6286824 237814 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:06 lo 0.71 0.71 0.40 0.40 0.00 0.00 0.00 0.00 20:20:06 ens3 70.68 56.08 839.22 7.09 0.00 0.00 0.00 0.00 20:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 82.62 82.62 78.36 78.36 0.00 0.00 0.00 0.00 20:30:01 ens3 31.13 22.41 412.02 3.16 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 41.31 41.31 39.04 39.04 0.00 0.00 0.00 0.00 Average: ens3 51.08 39.39 627.47 5.15 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-17701) 12/31/25 _x86_64_ (4 CPU) 20:07:30 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:06 all 50.37 0.00 1.07 0.18 0.10 48.28 20:20:06 0 51.57 0.00 1.05 0.16 0.09 47.12 20:20:06 1 51.50 0.00 1.08 0.24 0.10 47.08 20:20:06 2 42.87 0.00 1.12 0.09 0.09 55.83 20:20:06 3 55.53 0.00 1.05 0.22 0.10 43.11 20:30:01 all 46.82 0.00 0.83 0.04 0.09 52.22 20:30:01 0 33.58 0.00 0.72 0.03 0.09 65.59 20:30:01 1 47.48 0.00 0.81 0.04 0.10 51.58 20:30:01 2 32.83 0.00 0.78 0.05 0.08 66.26 20:30:01 3 73.41 0.00 1.00 0.05 0.09 25.45 Average: all 48.61 0.00 0.95 0.11 0.09 50.24 Average: 0 42.65 0.00 0.89 0.10 0.09 56.28 Average: 1 49.50 0.00 0.95 0.14 0.10 49.32 Average: 2 37.89 0.00 0.95 0.07 0.09 61.00 Average: 3 64.39 0.00 1.02 0.13 0.09 34.36