---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28966 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 758 5204 4 2270 7183 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:3f:79:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83280sec preferred_lft 83280sec inet6 fe80::f816:3eff:fe3f:79f6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28966) 06/21/26 _x86_64_ (2 CPU) 00:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:12 9.22 1.43 7.27 0.52 106.93 989.63 627.91 00:20:12 16.11 1.86 12.42 1.83 129.84 2481.02 426.70 Average: 12.67 1.65 9.85 1.17 118.40 1736.23 527.18 00:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:12 5660508 7476732 307192 3.78 67024 1923344 557352 6.07 502784 1705672 290128 00:20:12 5239556 7416116 351396 4.32 87044 2249964 639036 6.96 584188 2021140 268 Average: 5450032 7446424 329294 4.05 77034 2086654 598194 6.52 543486 1863406 145198 00:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:12 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 00:10:12 ens3 30.85 20.69 208.35 5.59 0.00 0.00 0.00 0.00 00:20:12 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:20:12 ens3 80.78 56.66 115.92 12.45 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 55.85 38.70 162.08 9.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28966) 06/21/26 _x86_64_ (2 CPU) 00:00:12 CPU %user %nice %system %iowait %steal %idle 00:10:12 all 4.56 0.00 0.69 0.30 0.04 94.40 00:10:12 0 5.34 0.00 0.70 0.18 0.04 93.75 00:10:12 1 3.79 0.00 0.68 0.42 0.05 95.06 00:20:12 all 8.51 0.00 1.33 0.29 0.06 89.81 00:20:12 0 5.55 0.00 1.19 0.17 0.07 93.02 00:20:12 1 11.46 0.00 1.48 0.41 0.06 86.59 Average: all 6.54 0.00 1.01 0.29 0.05 92.10 Average: 0 5.44 0.00 0.95 0.17 0.05 93.38 Average: 1 7.63 0.00 1.08 0.41 0.06 90.82