---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4019 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 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 703 9848 4 5437 14943 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:af:d7:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84876sec preferred_lft 84876sec inet6 fe80::f816:3eff:feaf:d749/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:41:7b:28:d5:5a 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-4019) 01/24/26 _x86_64_ (4 CPU) 23:17:17 LINUX RESTART (4 CPU) 23:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:08 42.35 1.21 25.66 15.49 634.75 5220.30 249592.89 23:40:01 34.89 0.05 31.06 3.79 1.28 5523.31 13000.75 Average: 38.65 0.63 28.34 9.67 320.00 5370.85 132037.22 23:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:08 9417408 13552596 2401556 14.67 164224 4043736 2706208 15.53 964964 5553756 17080 23:40:01 7893988 13179244 2770020 16.92 178920 5129484 3362096 19.30 1195016 6794004 33544 Average: 8655698 13365920 2585788 15.79 171572 4586610 3034152 17.42 1079990 6173880 25312 23:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:08 lo 895.32 895.32 852.59 852.59 0.00 0.00 0.00 0.00 23:30:08 ens3 72.55 54.77 522.08 11.34 0.00 0.00 0.00 0.00 23:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 lo 1277.80 1277.80 1215.91 1215.91 0.00 0.00 0.00 0.00 23:40:01 ens3 46.86 36.80 212.49 10.40 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1085.36 1085.36 1033.11 1033.11 0.00 0.00 0.00 0.00 Average: ens3 59.79 45.84 368.25 10.87 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-4019) 01/24/26 _x86_64_ (4 CPU) 23:17:17 LINUX RESTART (4 CPU) 23:20:07 CPU %user %nice %system %iowait %steal %idle 23:30:08 all 62.30 0.00 2.22 0.21 0.09 35.18 23:30:08 0 60.97 0.00 1.97 0.12 0.09 36.86 23:30:08 1 64.36 0.00 2.09 0.10 0.09 33.37 23:30:08 2 62.84 0.00 2.41 0.30 0.09 34.36 23:30:08 3 61.05 0.00 2.41 0.31 0.09 36.14 23:40:01 all 62.92 0.00 2.38 0.08 0.10 34.52 23:40:01 0 64.75 0.00 2.39 0.04 0.09 32.72 23:40:01 1 61.28 0.00 2.32 0.07 0.10 36.23 23:40:01 2 62.80 0.00 2.47 0.12 0.09 34.53 23:40:01 3 62.84 0.00 2.36 0.09 0.10 34.62 Average: all 62.61 0.00 2.30 0.14 0.09 34.85 Average: 0 62.85 0.00 2.18 0.08 0.09 34.80 Average: 1 62.83 0.00 2.20 0.09 0.09 34.79 Average: 2 62.82 0.00 2.44 0.21 0.09 34.44 Average: 3 61.94 0.00 2.38 0.20 0.09 35.39