---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35613 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 8.1G 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 847 5004 4 2384 7094 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:8d:cf:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83990sec preferred_lft 83990sec inet6 fe80::f816:3eff:fe8d:cf15/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35613) 07/14/26 _x86_64_ (2 CPU) 00:35:57 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 8.13 1.20 6.23 0.70 103.78 1025.78 423.19 01:00:01 2.08 0.27 1.76 0.05 32.37 122.32 1.66 01:10:01 1.28 0.00 1.26 0.02 0.00 66.25 1.20 Average: 3.83 0.49 3.09 0.25 45.42 405.36 142.29 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 5190936 7394120 372712 4.58 86272 2277028 679384 7.40 593900 2049088 1540 01:00:01 5120816 7363544 402656 4.95 86600 2315968 674488 7.35 606268 2079308 860 01:10:01 5094616 7352648 413292 5.08 86792 2330876 704252 7.67 627276 2094404 172 Average: 5135456 7370104 396220 4.87 86555 2307957 686041 7.47 609148 2074267 857 00:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 88.98 66.87 50.38 10.78 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 31.15 31.34 10.71 2.62 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 27.51 28.17 8.84 2.52 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 49.25 42.15 23.34 5.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35613) 07/14/26 _x86_64_ (2 CPU) 00:35:57 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 7.71 0.00 1.32 0.21 0.06 90.71 00:50:04 0 8.31 0.00 1.41 0.16 0.06 90.06 00:50:04 1 7.11 0.00 1.22 0.25 0.06 91.36 01:00:01 all 4.66 0.00 0.76 0.03 0.07 94.48 01:00:01 0 3.41 0.00 0.62 0.02 0.06 95.89 01:00:01 1 5.92 0.00 0.91 0.04 0.07 93.06 01:10:01 all 5.04 0.00 0.63 0.02 0.07 94.24 01:10:01 0 4.15 0.00 0.61 0.01 0.06 95.17 01:10:01 1 5.94 0.00 0.65 0.03 0.08 93.30 Average: all 5.81 0.00 0.90 0.09 0.07 93.14 Average: 0 5.29 0.00 0.88 0.06 0.06 93.71 Average: 1 6.33 0.00 0.92 0.11 0.07 92.57