---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35674 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 8.0G 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 760 5033 4 2450 7181 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:b4:ab:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 10225sec preferred_lft 10225sec inet6 fe80::f816:3eff:feb4:abf6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35674) 07/15/26 _x86_64_ (2 CPU) 00:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:28 1.74 0.01 1.71 0.01 0.81 20.17 432.39 00:20:00 1.93 0.11 1.79 0.03 3.20 24.52 374.73 00:30:02 24.37 2.98 19.10 2.29 226.20 3091.42 2315.17 Average: 9.47 1.05 7.63 0.79 77.97 1062.51 1051.90 00:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:28 6117108 7512044 296792 3.65 53312 1537588 603720 6.58 476624 1307828 364 00:20:00 6157176 7514692 294036 3.62 53476 1499940 601172 6.55 475284 1270128 152 00:30:02 5078556 7370200 385648 4.74 105132 2337348 695608 7.58 627040 2113872 140392 Average: 5784280 7465645 325492 4.00 70640 1791625 633500 6.90 526316 1563943 46969 00:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:28 ens3 0.15 0.03 0.05 0.03 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.13 0.06 0.03 0.02 0.00 0.00 0.00 0.00 00:30:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:30:02 ens3 41.18 28.89 318.04 8.41 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.05 9.82 107.82 2.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35674) 07/15/26 _x86_64_ (2 CPU) 00:00:28 CPU %user %nice %system %iowait %steal %idle 00:10:28 all 0.25 0.00 0.11 0.03 0.02 99.60 00:10:28 0 0.34 0.00 0.10 0.02 0.01 99.53 00:10:28 1 0.15 0.00 0.12 0.04 0.02 99.67 00:20:00 all 0.69 0.00 0.22 0.04 0.02 99.03 00:20:00 0 0.86 0.00 0.19 0.06 0.01 98.87 00:20:00 1 0.51 0.00 0.25 0.02 0.02 99.20 00:30:02 all 12.06 0.00 1.78 0.96 0.05 85.15 00:30:02 0 10.58 0.00 1.67 1.14 0.05 86.57 00:30:02 1 13.54 0.00 1.89 0.79 0.05 83.74 Average: all 4.39 0.00 0.71 0.35 0.03 94.53 Average: 0 3.97 0.00 0.66 0.41 0.02 94.93 Average: 1 4.81 0.00 0.76 0.28 0.03 94.12