---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20554 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 22% / 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 773 5148 4 2311 7168 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:8e:9b:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84358sec preferred_lft 84358sec inet6 fe80::f816:3eff:fe8e:9bb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20554) 05/27/26 _x86_64_ (2 CPU) 07:09:47 LINUX RESTART (2 CPU) 07:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 29.53 6.39 20.79 2.35 615.60 5496.31 634.96 07:30:01 1.79 0.03 1.73 0.03 1.47 77.64 0.88 07:40:01 1.31 0.00 1.31 0.01 0.00 76.84 0.12 Average: 10.89 2.14 7.95 0.80 205.91 1885.52 212.21 07:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 5273804 7436956 331356 4.07 86000 2238228 583436 6.35 562204 2008808 168 07:30:01 5175004 7356848 411064 5.05 86220 2256716 708532 7.72 619236 2027388 1708 07:40:01 5171520 7371000 396908 4.88 86364 2274192 700908 7.63 619740 2045008 548 Average: 5206776 7388268 379776 4.67 86195 2256379 664292 7.24 600393 2027068 808 07:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 07:20:01 ens3 97.21 63.30 355.32 17.05 0.00 0.00 0.00 0.00 07:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:01 ens3 30.62 28.96 12.54 2.71 0.00 0.00 0.00 0.00 07:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 54.13 54.14 16.02 4.49 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 60.67 48.81 128.08 8.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20554) 05/27/26 _x86_64_ (2 CPU) 07:09:47 LINUX RESTART (2 CPU) 07:10:00 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 13.65 0.00 2.34 1.27 0.26 82.47 07:20:01 0 15.77 0.00 2.51 1.65 0.35 79.72 07:20:01 1 11.52 0.00 2.17 0.89 0.18 85.24 07:30:01 all 5.83 0.00 1.05 0.55 0.37 92.19 07:30:01 0 6.83 0.00 1.19 0.50 0.43 91.06 07:30:01 1 4.83 0.00 0.91 0.61 0.32 93.33 07:40:01 all 6.96 0.00 1.03 0.20 0.11 91.70 07:40:01 0 7.67 0.00 1.05 0.16 0.11 91.01 07:40:01 1 6.27 0.00 1.02 0.23 0.10 92.38 Average: all 8.83 0.00 1.48 0.67 0.25 88.77 Average: 0 10.11 0.00 1.59 0.77 0.30 87.24 Average: 1 7.54 0.00 1.37 0.58 0.20 90.31