---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38290 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 741 5239 4 2253 7200 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:5b:7f:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84121sec preferred_lft 84121sec inet6 fe80::f816:3eff:fe5b:7fde/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-38290) 07/24/26 _x86_64_ (2 CPU) 05:16:02 LINUX RESTART (2 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 6.54 0.57 5.34 0.63 18.79 875.04 365.95 05:40:01 1.15 0.01 1.13 0.02 0.05 14.54 1.09 05:50:01 1.22 0.00 1.20 0.02 0.00 15.08 1.20 Average: 2.97 0.19 2.56 0.22 6.28 301.55 122.75 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 5219940 7407724 359020 4.41 86396 2261252 638004 6.95 577540 2032924 208 05:40:01 5219940 7408252 358232 4.40 86568 2261608 638072 6.95 577688 2033452 264 05:50:01 5219268 7408112 358372 4.41 86752 2261956 638232 6.95 577716 2033984 240 Average: 5219716 7408029 358541 4.41 86572 2261605 638103 6.95 577648 2033453 237 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 27.17 16.10 5.65 4.35 0.00 0.00 0.00 0.00 05:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 3.93 0.24 0.26 0.05 0.00 0.00 0.00 0.00 05:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:01 ens3 0.68 0.14 6.04 0.03 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.59 5.49 3.98 1.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38290) 07/24/26 _x86_64_ (2 CPU) 05:16:02 LINUX RESTART (2 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 2.81 0.00 0.64 0.12 0.05 96.38 05:30:01 0 3.31 0.00 0.70 0.13 0.05 95.80 05:30:01 1 2.31 0.00 0.57 0.10 0.05 96.96 05:40:01 all 0.40 0.00 0.14 0.02 0.05 99.39 05:40:01 0 0.35 0.00 0.19 0.01 0.08 99.38 05:40:01 1 0.45 0.00 0.09 0.03 0.03 99.39 05:50:01 all 0.38 0.00 0.13 0.13 0.04 99.31 05:50:01 0 0.42 0.00 0.13 0.06 0.05 99.35 05:50:01 1 0.34 0.00 0.14 0.20 0.04 99.28 Average: all 1.20 0.00 0.30 0.09 0.05 98.36 Average: 0 1.36 0.00 0.34 0.07 0.06 98.18 Average: 1 1.03 0.00 0.27 0.11 0.04 98.55