---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10068 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 777 5205 4 2247 7164 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:7f:a6:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84980sec preferred_lft 84980sec inet6 fe80::f816:3eff:fe7f:a6cf/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-10068) 05/01/26 _x86_64_ (2 CPU) 04:37:57 LINUX RESTART (2 CPU) 04:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:01 11.65 1.53 8.74 1.38 141.91 1366.83 372.02 05:00:06 1.65 0.01 1.59 0.04 1.80 83.51 1.71 Average: 6.63 0.77 5.15 0.71 71.65 723.27 186.31 04:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 5243896 7369384 402424 4.95 84188 2205636 899796 9.80 627096 1965688 160 05:00:06 5499208 7457936 322316 3.96 84432 2046340 587608 6.40 564072 1806140 5160 Average: 5371552 7413660 362370 4.46 84310 2125988 743702 8.10 595584 1885914 2660 04:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 04:50:01 ens3 84.86 66.88 58.39 12.52 0.00 0.00 0.00 0.00 05:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:06 ens3 51.00 48.79 15.73 4.65 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 67.88 57.81 37.00 8.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10068) 05/01/26 _x86_64_ (2 CPU) 04:37:57 LINUX RESTART (2 CPU) 04:40:00 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 10.03 0.00 1.69 0.18 0.06 88.05 04:50:01 0 11.03 0.00 1.81 0.19 0.06 86.91 04:50:01 1 9.03 0.00 1.56 0.17 0.06 89.18 05:00:06 all 8.10 0.00 1.21 0.05 0.07 90.56 05:00:06 0 10.58 0.00 1.49 0.01 0.08 87.83 05:00:06 1 5.62 0.00 0.94 0.10 0.06 93.28 Average: all 9.06 0.00 1.45 0.12 0.07 89.31 Average: 0 10.80 0.00 1.65 0.10 0.07 87.37 Average: 1 7.32 0.00 1.25 0.13 0.06 91.24