---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2171 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 748 5298 4 2182 7193 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:2e:e5:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83825sec preferred_lft 83825sec inet6 fe80::f816:3eff:fe2e:e56b/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-2171) 04/12/26 _x86_64_ (2 CPU) 00:14:49 LINUX RESTART (2 CPU) 00:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:05 2.13 0.32 1.78 0.03 38.94 76.15 652.13 00:40:05 21.89 3.03 16.61 2.25 229.39 3141.45 691.41 00:50:03 1.34 0.00 1.33 0.01 0.00 21.60 0.78 Average: 8.45 1.12 6.57 0.77 89.48 1079.78 448.80 00:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:05 6231336 7510492 309260 3.80 30904 1453492 728188 7.93 463212 1204168 264 00:40:05 5311216 7423236 348504 4.29 84440 2191632 635388 6.92 590516 1949976 708 00:50:03 5237556 7351484 420340 5.17 84568 2193496 666252 7.26 613768 1951968 516 Average: 5593369 7428404 359368 4.42 66637 1946207 676609 7.37 555832 1702037 496 00:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 1.16 0.28 3.16 0.08 0.00 0.00 0.00 0.00 00:40:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:05 ens3 63.35 41.98 298.90 11.17 0.00 0.00 0.00 0.00 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 10.62 9.71 72.19 0.98 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 25.03 17.31 124.67 4.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2171) 04/12/26 _x86_64_ (2 CPU) 00:14:49 LINUX RESTART (2 CPU) 00:20:03 CPU %user %nice %system %iowait %steal %idle 00:30:05 all 0.40 0.00 0.19 0.02 0.04 99.35 00:30:05 0 0.23 0.00 0.21 0.04 0.04 99.47 00:30:05 1 0.57 0.00 0.16 0.01 0.03 99.22 00:40:05 all 10.84 0.00 1.65 0.51 0.06 86.94 00:40:05 0 14.47 0.00 1.99 0.72 0.05 82.78 00:40:05 1 7.22 0.00 1.31 0.29 0.07 91.12 00:50:03 all 0.81 0.00 0.19 0.01 0.09 98.91 00:50:03 0 1.00 0.00 0.22 0.01 0.10 98.67 00:50:03 1 0.62 0.00 0.15 0.01 0.07 99.15 Average: all 4.02 0.00 0.67 0.18 0.06 95.07 Average: 0 5.23 0.00 0.81 0.25 0.06 93.64 Average: 1 2.80 0.00 0.54 0.10 0.06 96.50