---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17527 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 749 5237 4 2245 7192 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:96:8a:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84268sec preferred_lft 84268sec inet6 fe80::f816:3eff:fe96:8a42/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17527) 05/22/26 _x86_64_ (2 CPU) 00:17:49 LINUX RESTART (2 CPU) 00:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 11.66 1.49 8.75 1.42 119.51 1336.49 317.82 00:40:10 1.35 0.01 1.33 0.00 0.16 28.32 0.35 00:50:20 14.64 0.00 1.39 13.24 0.14 22.54 104824.77 Average: 9.18 0.48 3.75 4.95 38.70 448.89 35616.27 00:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5246916 7415748 352648 4.34 86224 2243668 630420 6.87 581708 2014712 228 00:40:10 5230352 7403080 365140 4.49 86384 2247380 651704 7.10 595484 2018608 228 00:50:20 5224488 7399492 368620 4.53 86504 2249548 657056 7.16 600704 2020852 336 Average: 5233919 7406107 362136 4.45 86371 2246865 646393 7.04 592632 2018057 264 00:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:30:01 ens3 11.52 8.73 37.51 2.59 0.00 0.00 0.00 0.00 00:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:10 ens3 9.92 8.69 1.95 3.26 0.00 0.00 0.00 0.00 00:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:20 ens3 4.60 3.52 0.90 0.92 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 8.64 6.95 13.08 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17527) 05/22/26 _x86_64_ (2 CPU) 00:17:49 LINUX RESTART (2 CPU) 00:20:20 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 6.25 0.00 0.98 0.54 0.05 92.18 00:30:01 0 5.66 0.00 0.97 0.85 0.04 92.48 00:30:01 1 6.83 0.00 1.00 0.23 0.05 91.88 00:40:10 all 1.57 0.00 0.22 0.02 0.05 98.14 00:40:10 0 2.19 0.00 0.25 0.00 0.06 97.50 00:40:10 1 0.96 0.00 0.19 0.04 0.04 98.77 00:50:20 all 1.05 0.00 0.27 0.04 0.05 98.59 00:50:20 0 1.22 0.00 0.37 0.06 0.05 98.30 00:50:20 1 0.88 0.00 0.16 0.03 0.04 98.88 Average: all 2.91 0.00 0.48 0.20 0.05 96.37 Average: 0 2.99 0.00 0.52 0.30 0.05 96.15 Average: 1 2.83 0.00 0.44 0.10 0.05 96.58