---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26330 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 8.0G 30G 22% / 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 789 5093 4 2351 7152 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:f4:02:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83929sec preferred_lft 83929sec inet6 fe80::f816:3eff:fef4:225/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26330) 06/10/26 _x86_64_ (2 CPU) 01:47:27 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 10.66 1.26 8.10 1.30 110.59 1159.11 298.58 02:10:14 1.89 0.26 1.62 0.01 31.03 108.55 0.51 02:20:14 1.27 0.00 1.23 0.04 0.01 53.98 1.89 Average: 4.61 0.51 3.65 0.45 47.22 440.69 100.36 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 5209104 7395908 371464 4.57 85732 2261824 686292 7.48 589952 2032440 2176 02:10:14 5153024 7374328 392580 4.83 86040 2295908 858764 9.35 605744 2058068 240 02:20:14 5129132 7362504 404264 4.97 86272 2307588 889656 9.69 627844 2069972 204 Average: 5163753 7377580 389436 4.79 86015 2288440 811571 8.84 607847 2053493 873 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:14 ens3 93.51 77.72 55.39 13.44 0.00 0.00 0.00 0.00 02:10:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 24.47 24.44 10.01 1.96 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 17.91 18.59 5.19 1.75 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 45.31 40.26 23.54 5.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26330) 06/10/26 _x86_64_ (2 CPU) 01:47:27 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 9.03 0.00 1.50 0.25 0.06 89.15 02:00:14 0 7.85 0.00 1.54 0.33 0.06 90.21 02:00:14 1 10.21 0.00 1.46 0.17 0.06 88.10 02:10:14 all 3.44 0.00 0.57 0.29 0.08 95.62 02:10:14 0 2.43 0.00 0.63 0.24 0.08 96.63 02:10:14 1 4.47 0.00 0.50 0.33 0.08 94.61 02:20:14 all 3.99 0.00 0.48 0.02 0.07 95.44 02:20:14 0 5.64 0.00 0.60 0.02 0.07 93.67 02:20:14 1 2.35 0.00 0.35 0.03 0.06 97.21 Average: all 5.49 0.00 0.85 0.19 0.07 93.40 Average: 0 5.30 0.00 0.92 0.20 0.07 93.50 Average: 1 5.68 0.00 0.77 0.18 0.07 93.30