---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29239 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 760 5198 4 2275 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:23:e4:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82312sec preferred_lft 82312sec inet6 fe80::f816:3eff:fe23:e427/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29239) 06/22/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:16 14.12 0.02 1.54 12.56 0.96 19.21 109422.80 00:20:15 1.61 0.11 1.47 0.02 3.49 18.88 337.16 00:30:17 1.55 0.00 1.54 0.01 0.00 18.37 434.20 00:40:05 23.75 3.08 18.36 2.32 232.48 3502.59 894.75 Average: 10.19 0.79 5.66 3.74 58.31 875.90 27931.40 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:16 6224876 7503860 315724 3.88 31316 1453056 727576 7.92 465288 1206048 164 00:20:15 6221032 7500580 318936 3.92 31636 1453224 726868 7.92 465460 1206320 184 00:30:17 6226984 7507176 312272 3.84 31816 1453676 726876 7.92 466096 1206824 164 00:40:05 5222356 7428504 338052 4.16 86976 2279304 760288 8.28 553420 2042052 2072 Average: 5973812 7485030 321246 3.95 45436 1659815 735402 8.01 487566 1415311 646 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:16 ens3 0.35 0.07 0.08 0.03 0.00 0.00 0.00 0.00 00:20:15 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:15 ens3 0.25 0.06 0.05 0.02 0.00 0.00 0.00 0.00 00:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:17 ens3 0.44 0.11 0.14 0.08 0.00 0.00 0.00 0.00 00:40:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:05 ens3 65.38 44.87 322.75 12.21 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 16.35 11.10 79.47 3.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29239) 06/22/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:16 all 0.26 0.00 0.11 0.03 0.03 99.56 00:10:16 0 0.41 0.00 0.10 0.01 0.03 99.45 00:10:16 1 0.12 0.00 0.12 0.06 0.04 99.67 00:20:15 all 0.44 0.00 0.20 0.01 0.03 99.32 00:20:15 0 0.49 0.00 0.19 0.02 0.03 99.27 00:20:15 1 0.39 0.00 0.21 0.00 0.03 99.37 00:30:17 all 0.31 0.00 0.16 0.01 0.03 99.49 00:30:17 0 0.33 0.00 0.16 0.01 0.03 99.47 00:30:17 1 0.29 0.00 0.17 0.00 0.03 99.51 00:40:05 all 14.11 0.00 1.91 0.66 0.06 83.25 00:40:05 0 8.92 0.00 1.41 0.36 0.06 89.26 00:40:05 1 19.31 0.00 2.42 0.97 0.07 77.23 Average: all 3.72 0.00 0.59 0.18 0.04 95.47 Average: 0 2.50 0.00 0.46 0.10 0.03 96.91 Average: 1 4.95 0.00 0.72 0.25 0.04 94.04