---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25701 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 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 762 5205 4 2266 7179 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:12:16:88 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 84118sec preferred_lft 84118sec inet6 fe80::f816:3eff:fe12:1688/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25701) 06/08/26 _x86_64_ (2 CPU) 00:36:16 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 8.19 1.20 6.30 0.69 103.62 999.42 247.14 01:00:00 15.59 0.27 1.82 13.51 32.21 78.66 106448.58 01:10:02 1.15 0.00 1.15 0.00 0.00 14.49 0.00 Average: 8.30 0.49 3.09 4.73 45.23 363.76 35550.76 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5228392 7405300 362292 4.45 85900 2251760 632092 6.88 576584 2022460 184 01:00:00 5183788 7387496 379720 4.67 86212 2278168 632256 6.89 585900 2040072 148 01:10:02 5200028 7404228 363032 4.46 86344 2278520 632320 6.89 586008 2040564 188 Average: 5204069 7399008 368348 4.53 86152 2269483 632223 6.89 582831 2034365 173 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:50:00 ens3 27.33 20.07 36.93 4.90 0.00 0.00 0.00 0.00 01:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.96 0.45 3.22 0.07 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.06 0.17 5.34 0.05 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.77 6.89 15.15 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25701) 06/08/26 _x86_64_ (2 CPU) 00:36:16 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 3.37 0.00 0.64 0.14 0.06 95.79 00:50:00 0 3.88 0.00 0.61 0.13 0.04 95.34 00:50:00 1 2.86 0.00 0.66 0.14 0.09 96.25 01:00:00 all 0.48 0.00 0.27 0.05 0.07 99.13 01:00:00 0 0.50 0.00 0.26 0.03 0.08 99.13 01:00:00 1 0.45 0.00 0.29 0.06 0.07 99.13 01:10:02 all 0.34 0.00 0.12 0.01 0.07 99.45 01:10:02 0 0.42 0.00 0.11 0.01 0.07 99.39 01:10:02 1 0.27 0.00 0.14 0.01 0.07 99.51 Average: all 1.40 0.00 0.34 0.06 0.07 98.13 Average: 0 1.60 0.00 0.33 0.06 0.06 97.96 Average: 1 1.20 0.00 0.36 0.07 0.08 98.30