---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1483 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: 5600.00 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 15% / 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 708 9779 4 5502 14938 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:c2:86:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fec2:8630/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:3d:e3:c2:6a:f6 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-1483) 01/17/26 _x86_64_ (4 CPU) 15:45:29 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:14 28.29 0.88 24.90 2.52 228.96 4641.40 9765.13 16:10:14 30.56 0.08 27.34 3.14 1.61 5873.71 15090.93 Average: 29.42 0.48 26.11 2.82 116.48 5251.10 12400.12 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:14 9750960 13393536 2563116 15.65 156292 3582412 2756724 15.82 775924 5413328 10432 16:10:14 7981724 13005792 2945016 17.99 181864 4867072 3353184 19.25 1063536 6839836 21956 Average: 8866342 13199664 2754066 16.82 169078 4224742 3054954 17.54 919730 6126582 16194 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:14 lo 975.42 975.42 928.57 928.57 0.00 0.00 0.00 0.00 16:00:14 ens3 79.92 56.80 367.57 15.49 0.00 0.00 0.00 0.00 16:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:14 lo 1116.67 1116.67 1063.55 1063.55 0.00 0.00 0.00 0.00 16:10:14 ens3 62.69 47.76 232.67 18.84 0.00 0.00 0.00 0.00 16:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1045.30 1045.30 995.35 995.35 0.00 0.00 0.00 0.00 Average: ens3 71.39 52.33 300.83 17.15 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-1483) 01/17/26 _x86_64_ (4 CPU) 15:45:29 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:14 all 64.74 0.00 2.31 0.09 0.10 32.77 16:00:14 0 66.98 0.00 2.39 0.10 0.10 30.43 16:00:14 1 62.90 0.00 2.33 0.11 0.10 34.57 16:00:14 2 62.15 0.00 2.25 0.10 0.10 35.39 16:00:14 3 66.92 0.00 2.27 0.05 0.09 30.67 16:10:14 all 54.65 0.00 2.12 0.24 0.09 42.90 16:10:14 0 54.59 0.00 2.11 0.14 0.09 43.06 16:10:14 1 55.93 0.00 2.43 0.09 0.09 41.45 16:10:14 2 55.96 0.00 2.23 0.43 0.09 41.28 16:10:14 3 52.11 0.00 1.71 0.28 0.10 45.80 Average: all 59.75 0.00 2.22 0.16 0.09 37.78 Average: 0 60.84 0.00 2.25 0.12 0.09 36.68 Average: 1 59.45 0.00 2.38 0.10 0.09 37.97 Average: 2 59.09 0.00 2.24 0.27 0.09 38.31 Average: 3 59.59 0.00 1.99 0.16 0.10 38.15