---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34328 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 662 9734 4 5592 14984 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:04:d4:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84494sec preferred_lft 84494sec inet6 fe80::f816:3eff:fe04:d462/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:ef:bf:21:71:82 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-34328) 01/12/26 _x86_64_ (4 CPU) 18:24:27 LINUX RESTART (4 CPU) 18:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:16 45.77 0.02 38.72 7.03 0.58 1692.84 105176.05 18:50:16 28.03 0.18 23.66 4.19 5.49 2232.79 26520.23 Average: 36.94 0.10 31.23 5.62 3.02 1961.44 66049.34 18:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:16 9349752 12995156 2962584 18.09 153020 3625908 3156952 18.12 888648 5743288 192 18:50:16 8674944 13075704 2877456 17.57 174136 4315196 3090924 17.74 1046728 6214444 293668 Average: 9012348 13035430 2920020 17.83 163578 3970552 3123938 17.93 967688 5978866 146930 18:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:16 lo 33.27 33.27 7.83 7.83 0.00 0.00 0.00 0.00 18:40:16 ens3 16.19 12.75 13.97 4.36 0.00 0.00 0.00 0.00 18:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:16 lo 1611.99 1611.99 1515.58 1515.58 0.00 0.00 0.00 0.00 18:50:16 ens3 60.44 45.47 337.44 12.02 0.00 0.00 0.00 0.00 18:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 818.59 818.59 757.85 757.85 0.00 0.00 0.00 0.00 Average: ens3 38.20 29.03 174.88 8.17 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-34328) 01/12/26 _x86_64_ (4 CPU) 18:24:27 LINUX RESTART (4 CPU) 18:30:10 CPU %user %nice %system %iowait %steal %idle 18:40:16 all 27.46 0.00 1.11 0.30 0.08 71.05 18:40:16 0 26.28 0.00 1.01 0.42 0.08 72.21 18:40:16 1 27.91 0.00 1.27 0.13 0.08 70.60 18:40:16 2 27.40 0.00 1.18 0.55 0.08 70.80 18:40:16 3 28.27 0.00 0.98 0.08 0.08 70.59 18:50:16 all 40.52 0.00 2.01 0.11 0.09 57.28 18:50:16 0 40.51 0.00 2.04 0.07 0.09 57.30 18:50:16 1 40.81 0.00 1.94 0.15 0.09 57.00 18:50:16 2 41.19 0.00 2.16 0.08 0.09 56.48 18:50:16 3 39.56 0.00 1.89 0.14 0.09 58.32 Average: all 33.96 0.00 1.56 0.20 0.08 64.20 Average: 0 33.35 0.00 1.52 0.25 0.08 64.80 Average: 1 34.33 0.00 1.60 0.14 0.08 63.84 Average: 2 34.26 0.00 1.66 0.31 0.08 63.68 Average: 3 33.89 0.00 1.43 0.11 0.08 64.48