---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25470 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: 5600.00 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 779 5205 4 2249 7162 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:c7:34:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84372sec preferred_lft 84372sec inet6 fe80::f816:3eff:fec7:34bf/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-25470) 06/07/26 _x86_64_ (2 CPU) 00:16:15 LINUX RESTART (2 CPU) 00:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:02 9.72 1.36 7.45 0.90 108.54 1092.18 313.19 00:40:02 1.26 0.01 1.23 0.02 0.05 19.03 1.20 Average: 5.49 0.68 4.34 0.46 54.30 555.61 157.20 00:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:02 5200164 7379680 387836 4.77 86524 2253468 672572 7.33 606244 2024572 224 00:40:02 5198412 7379384 387908 4.77 86704 2254744 673812 7.34 608136 2026028 236 Average: 5199288 7379532 387872 4.77 86614 2254106 673192 7.33 607190 2025300 230 00:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:02 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:30:02 ens3 8.13 6.08 35.46 1.56 0.00 0.00 0.00 0.00 00:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:02 ens3 2.25 0.30 0.40 0.13 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 5.19 3.19 17.93 0.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25470) 06/07/26 _x86_64_ (2 CPU) 00:16:15 LINUX RESTART (2 CPU) 00:20:02 CPU %user %nice %system %iowait %steal %idle 00:30:02 all 4.40 0.00 0.78 0.15 0.07 94.59 00:30:02 0 1.57 0.00 0.49 0.06 0.05 97.84 00:30:02 1 7.23 0.00 1.07 0.25 0.10 91.34 00:40:02 all 0.55 0.00 0.14 0.01 0.08 99.21 00:40:02 0 0.58 0.00 0.15 0.01 0.09 99.17 00:40:02 1 0.51 0.00 0.14 0.01 0.08 99.25 Average: all 2.47 0.00 0.46 0.08 0.08 96.90 Average: 0 1.08 0.00 0.32 0.03 0.07 98.50 Average: 1 3.87 0.00 0.61 0.13 0.09 95.30