---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34922 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 767 5210 4 2255 7174 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:fb:3a:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84020sec preferred_lft 84020sec inet6 fe80::f816:3eff:fefb:3ab5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34922) 07/12/26 _x86_64_ (2 CPU) 00:15:15 LINUX RESTART (2 CPU) 00:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:04 3.84 0.04 3.62 0.19 2.32 658.66 6.85 00:40:04 1.21 0.01 1.19 0.02 0.05 17.55 1.20 00:50:04 14.79 0.00 1.28 13.51 0.15 23.25 106559.70 Average: 6.61 0.02 2.03 4.57 0.84 233.25 35512.72 00:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:04 5211692 7389656 377776 4.65 86644 2252092 630284 6.87 576536 2023280 204 00:40:04 5224852 7404104 363100 4.46 86832 2253192 633036 6.90 579092 2024568 184 00:50:04 5221612 7403680 363476 4.47 86976 2255860 637740 6.95 583920 2027352 184 Average: 5219385 7399147 368117 4.53 86817 2253715 633687 6.90 579849 2025067 191 00:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 20.76 14.02 9.22 3.49 0.00 0.00 0.00 0.00 00:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:04 ens3 2.07 0.35 0.37 0.15 0.00 0.00 0.00 0.00 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 1.78 0.55 0.30 0.16 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.21 4.97 3.30 1.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34922) 07/12/26 _x86_64_ (2 CPU) 00:15:15 LINUX RESTART (2 CPU) 00:20:04 CPU %user %nice %system %iowait %steal %idle 00:30:04 all 2.19 0.00 0.43 0.06 0.06 97.26 00:30:04 0 1.89 0.00 0.38 0.06 0.06 97.60 00:30:04 1 2.50 0.00 0.47 0.05 0.06 96.91 00:40:04 all 0.60 0.00 0.14 0.01 0.07 99.18 00:40:04 0 0.68 0.00 0.19 0.01 0.10 99.03 00:40:04 1 0.52 0.00 0.10 0.01 0.04 99.33 00:50:04 all 1.09 0.00 0.17 8.73 0.05 89.96 00:50:04 0 1.69 0.00 0.22 7.71 0.07 90.31 00:50:04 1 0.48 0.00 0.12 9.76 0.04 89.61 Average: all 1.29 0.00 0.25 2.94 0.06 95.46 Average: 0 1.42 0.00 0.26 2.59 0.08 95.65 Average: 1 1.16 0.00 0.23 3.28 0.05 95.28