---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6456 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 770 5200 4 2267 7171 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:d4:ab:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 47991sec preferred_lft 47991sec inet6 fe80::f816:3eff:fed4:ab2d/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-6456) 04/23/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:11 1.83 0.01 1.80 0.01 0.80 21.32 0.18 00:20:11 1.97 0.11 1.83 0.03 3.05 25.79 589.88 00:30:01 1.72 0.00 1.71 0.01 0.00 18.76 0.23 00:40:11 22.51 2.95 17.38 2.18 222.35 3082.76 506.30 Average: 7.07 0.78 5.73 0.57 57.26 796.95 275.16 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:11 6122836 7524012 284988 3.50 55164 1541920 535676 5.83 471188 1311932 404 00:20:11 6141600 7502700 306200 3.77 55332 1501608 533484 5.81 469584 1271568 276 00:30:01 6136376 7497912 311016 3.82 55440 1501932 533484 5.81 469748 1272008 288 00:40:11 5213656 7403644 357748 4.40 104588 2240644 636612 6.93 605088 2014624 1596 Average: 5903617 7482067 314988 3.87 67631 1696526 559814 6.10 503902 1467533 641 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:11 ens3 0.20 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:11 ens3 0.14 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.50 0.13 0.17 0.09 0.00 0.00 0.00 0.00 00:40:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:11 ens3 53.10 37.57 293.46 10.49 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 13.65 9.57 74.37 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6456) 04/23/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:11 all 0.24 0.00 0.10 0.01 0.03 99.62 00:10:11 0 0.06 0.00 0.12 0.00 0.03 99.78 00:10:11 1 0.42 0.00 0.08 0.01 0.02 99.46 00:20:11 all 0.64 0.00 0.22 0.03 0.02 99.08 00:20:11 0 0.57 0.00 0.22 0.03 0.03 99.16 00:20:11 1 0.72 0.00 0.22 0.04 0.02 99.01 00:30:01 all 0.26 0.00 0.17 0.01 0.02 99.53 00:30:01 0 0.07 0.00 0.19 0.00 0.03 99.72 00:30:01 1 0.46 0.00 0.16 0.03 0.02 99.33 00:40:11 all 11.32 0.00 1.70 0.48 0.05 86.45 00:40:11 0 15.32 0.00 2.06 0.63 0.05 81.93 00:40:11 1 7.31 0.00 1.34 0.34 0.04 90.97 Average: all 3.15 0.00 0.55 0.14 0.03 96.13 Average: 0 4.05 0.00 0.66 0.17 0.03 95.09 Average: 1 2.25 0.00 0.45 0.10 0.02 97.17