---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17309 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 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 766 5117 4 2358 7175 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:ed:ad:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 49318sec preferred_lft 49318sec inet6 fe80::f816:3eff:feed:ad8c/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-17309) 05/22/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.87 0.02 1.84 0.02 0.81 22.40 216.50 00:20:01 24.26 3.25 18.70 2.31 232.45 3488.07 1360.36 00:30:01 1.89 0.01 1.86 0.03 0.29 41.05 0.45 Average: 9.34 1.09 7.47 0.78 77.85 1183.85 525.77 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6110096 7510232 298296 3.67 56836 1539216 595392 6.48 477796 1313092 148 00:20:01 5131532 7403040 354116 4.35 107500 2315932 626136 6.82 599980 2094964 372 00:30:01 5108012 7384844 372288 4.58 107576 2321160 649144 7.07 606332 2100140 156 Average: 5449880 7432705 341567 4.20 90637 2058769 623557 6.79 561369 1836065 225 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.19 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.59 1.59 0.11 0.11 0.00 0.00 0.00 0.00 00:20:01 ens3 43.66 31.37 311.83 9.19 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 6.25 3.39 1.16 1.50 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 16.70 11.61 104.35 3.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17309) 05/22/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.11 0.01 0.04 99.60 00:10:01 0 0.38 0.00 0.09 0.01 0.03 99.50 00:10:01 1 0.12 0.00 0.13 0.01 0.05 99.70 00:20:01 all 12.10 0.00 1.81 0.65 0.06 85.38 00:20:01 0 14.81 0.00 1.99 0.66 0.06 82.47 00:20:01 1 9.39 0.00 1.63 0.63 0.06 88.29 00:30:01 all 2.13 0.00 0.27 0.01 0.09 97.50 00:30:01 0 2.30 0.00 0.26 0.01 0.10 97.33 00:30:01 1 1.96 0.00 0.27 0.02 0.08 97.67 Average: all 4.82 0.00 0.73 0.22 0.06 94.16 Average: 0 5.83 0.00 0.78 0.23 0.06 93.10 Average: 1 3.82 0.00 0.68 0.22 0.06 95.22