---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-527 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 620 10752 4 4615 15026 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:bf:92:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84818sec preferred_lft 84818sec inet6 fe80::f816:3eff:febf:92be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:95:de:f1:1e:1b 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-527) 01/15/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:00 6.53 0.70 5.61 0.22 39.24 1810.59 317.51 20:30:00 9.97 0.53 8.87 0.57 19.46 1669.91 1015.61 Average: 8.25 0.62 7.24 0.40 29.35 1740.26 666.53 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:00 8929532 11729540 4235084 25.87 108240 2865524 4443240 25.50 483016 6634424 1088 20:30:00 9384788 12875272 3085312 18.84 129596 3496712 3274568 18.80 680156 5929936 264360 Average: 9157160 12302406 3660198 22.35 118918 3181118 3858904 22.15 581586 6282180 132724 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:00 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 20:20:00 ens3 16.92 14.60 117.06 3.28 0.00 0.00 0.00 0.00 20:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 208.39 208.39 198.17 198.17 0.00 0.00 0.00 0.00 20:30:00 ens3 37.31 28.64 409.23 3.60 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 104.51 104.51 99.27 99.27 0.00 0.00 0.00 0.00 Average: ens3 27.11 21.62 263.13 3.44 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-527) 01/15/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:00 all 50.21 0.00 0.82 0.03 0.07 48.87 20:20:00 0 48.96 0.00 0.92 0.06 0.08 49.99 20:20:00 1 48.83 0.00 0.86 0.03 0.08 50.20 20:20:00 2 51.01 0.00 0.65 0.03 0.07 48.25 20:20:00 3 52.02 0.00 0.86 0.02 0.07 47.02 20:30:00 all 52.06 0.00 0.91 0.04 0.08 46.93 20:30:00 0 46.25 0.00 1.11 0.05 0.08 52.52 20:30:00 1 67.48 0.00 0.82 0.03 0.08 31.59 20:30:00 2 52.38 0.00 0.77 0.05 0.08 46.73 20:30:00 3 42.14 0.00 0.92 0.01 0.07 56.85 Average: all 51.13 0.00 0.86 0.04 0.07 47.90 Average: 0 47.60 0.00 1.01 0.06 0.08 51.26 Average: 1 58.15 0.00 0.84 0.03 0.08 40.90 Average: 2 51.69 0.00 0.71 0.04 0.08 47.49 Average: 3 47.08 0.00 0.89 0.02 0.07 51.94