---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16978 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 8.0G 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 776 5109 4 2356 7165 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:43:e3:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84942sec preferred_lft 84942sec inet6 fe80::f816:3eff:fe43:e3ea/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-16978) 05/21/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 5.08 1.37 3.60 0.11 98.85 359.45 4.17 00:20:09 20.86 1.89 16.73 2.23 134.71 3109.20 1328.64 00:30:09 1.90 0.00 1.87 0.03 0.00 37.89 1.17 Average: 9.28 1.09 7.40 0.79 77.85 1168.86 444.67 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 5777912 7397260 400388 4.92 70020 1735648 655472 7.14 609944 1509760 106672 00:20:09 5121636 7393828 363836 4.47 106668 2317528 644548 7.02 609000 2095468 1148 00:30:09 5105116 7381700 375648 4.62 106788 2321776 710944 7.74 617656 2099844 316 Average: 5334888 7390929 379957 4.67 94492 2124984 670321 7.30 612200 1901691 36045 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 00:10:09 ens3 21.71 14.56 131.92 4.65 0.00 0.00 0.00 0.00 00:20:09 lo 1.78 1.78 0.13 0.13 0.00 0.00 0.00 0.00 00:20:09 ens3 24.24 17.63 179.88 4.24 0.00 0.00 0.00 0.00 00:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 4.33 3.09 0.88 2.11 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 16.76 11.76 104.23 3.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16978) 05/21/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 2.17 0.00 0.38 0.09 0.03 97.33 00:10:09 0 2.90 0.00 0.49 0.14 0.04 96.42 00:10:09 1 1.45 0.00 0.26 0.03 0.02 98.23 00:20:09 all 11.28 0.00 1.53 0.34 0.05 86.79 00:20:09 0 10.55 0.00 1.47 0.37 0.05 87.56 00:20:09 1 12.00 0.00 1.60 0.31 0.05 86.03 00:30:09 all 1.99 0.00 0.28 0.02 0.04 97.68 00:30:09 0 1.35 0.00 0.23 0.01 0.03 98.37 00:30:09 1 2.62 0.00 0.32 0.03 0.05 96.99 Average: all 5.15 0.00 0.73 0.15 0.04 93.93 Average: 0 4.94 0.00 0.73 0.18 0.04 94.12 Average: 1 5.35 0.00 0.73 0.12 0.04 93.75