---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34610 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 598 10547 4 4843 15048 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:a0:51:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84814sec preferred_lft 84814sec inet6 fe80::f816:3eff:fea0:5179/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:07:84:ff:17:07 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-34610) 01/13/26 _x86_64_ (4 CPU) 11:08:46 LINUX RESTART (4 CPU) 11:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:04 18.61 3.19 14.55 0.87 366.14 3582.49 2898.47 11:30:05 3.50 0.19 3.20 0.10 6.02 476.29 25.20 Average: 11.03 1.69 8.86 0.49 185.55 2024.81 1457.60 11:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:04 9672568 12687060 3275612 20.01 111236 3074332 3479676 19.97 564132 5792404 232 11:30:05 10569468 13722524 2239320 13.68 115240 3198700 2413632 13.85 592208 4864660 4424 Average: 10121018 13204792 2757466 16.84 113238 3136516 2946654 16.91 578170 5328532 2328 11:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:04 lo 0.51 0.51 0.06 0.06 0.00 0.00 0.00 0.00 11:20:04 ens3 53.47 41.69 747.96 7.08 0.00 0.00 0.00 0.00 11:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 0.70 0.70 0.37 0.37 0.00 0.00 0.00 0.00 11:30:05 ens3 6.42 4.88 30.44 1.26 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.61 0.61 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 29.88 23.23 388.14 4.16 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-34610) 01/13/26 _x86_64_ (4 CPU) 11:08:46 LINUX RESTART (4 CPU) 11:10:08 CPU %user %nice %system %iowait %steal %idle 11:20:04 all 52.30 0.00 1.15 0.15 0.10 46.30 11:20:04 0 56.01 0.00 1.19 0.07 0.10 42.63 11:20:04 1 49.33 0.00 1.14 0.09 0.10 49.34 11:20:04 2 52.57 0.00 1.05 0.32 0.10 45.97 11:20:04 3 51.28 0.00 1.24 0.12 0.10 47.26 11:30:05 all 50.01 0.00 0.55 0.08 0.10 49.26 11:30:05 0 37.23 0.00 0.46 0.04 0.09 62.18 11:30:05 1 72.56 0.00 0.61 0.01 0.10 26.72 11:30:05 2 55.84 0.00 0.60 0.19 0.11 43.26 11:30:05 3 34.41 0.00 0.54 0.09 0.09 64.88 Average: all 51.15 0.00 0.85 0.11 0.10 47.79 Average: 0 46.60 0.00 0.82 0.05 0.10 52.43 Average: 1 60.99 0.00 0.87 0.05 0.10 37.99 Average: 2 54.21 0.00 0.83 0.25 0.10 44.61 Average: 3 42.81 0.00 0.89 0.11 0.09 56.11