---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19146 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 736 5240 4 2256 7205 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:f8:a6:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84159sec preferred_lft 84159sec inet6 fe80::f816:3eff:fef8:a6a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19146) 05/23/26 _x86_64_ (2 CPU) 00:36:21 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 5.72 0.08 5.09 0.54 4.44 842.78 247.11 01:00:01 2.03 0.26 1.74 0.03 32.05 77.66 0.60 01:10:01 1.19 0.00 1.19 0.00 0.00 14.64 0.00 Average: 2.98 0.11 2.68 0.19 12.17 311.48 82.50 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5247700 7414620 353532 4.35 85564 2242468 636308 6.93 574864 2013188 152 01:00:01 5186284 7380072 387608 4.77 85864 2268916 636452 6.93 584148 2030860 252 01:10:01 5201012 7395288 372424 4.58 86008 2269260 636476 6.93 584356 2031348 264 Average: 5211665 7396660 371188 4.56 85812 2260215 636412 6.93 581123 2025132 223 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 22.96 15.46 5.13 4.26 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.01 0.32 3.22 0.06 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.59 0.15 2.45 0.05 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.18 5.30 3.60 1.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19146) 05/23/26 _x86_64_ (2 CPU) 00:36:21 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 2.44 0.00 0.44 0.07 0.06 96.98 00:50:01 0 2.15 0.00 0.34 0.09 0.04 97.38 00:50:01 1 2.73 0.00 0.54 0.05 0.09 96.58 01:00:01 all 0.50 0.00 0.26 0.02 0.07 99.15 01:00:01 0 0.41 0.00 0.27 0.02 0.07 99.22 01:00:01 1 0.59 0.00 0.25 0.02 0.06 99.07 01:10:01 all 0.35 0.00 0.12 0.01 0.07 99.45 01:10:01 0 0.36 0.00 0.10 0.01 0.06 99.48 01:10:01 1 0.34 0.00 0.15 0.01 0.08 99.43 Average: all 1.10 0.00 0.28 0.03 0.07 98.53 Average: 0 0.97 0.00 0.24 0.04 0.06 98.69 Average: 1 1.22 0.00 0.31 0.03 0.07 98.36