---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20206 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 800 5031 4 2410 7141 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:e4:6f:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83732sec preferred_lft 83732sec inet6 fe80::f816:3eff:fee4:6fb0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20206) 05/26/26 _x86_64_ (2 CPU) 01:58:25 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:04 14.05 1.60 10.87 1.58 122.66 2219.81 434.43 02:20:04 1.36 0.01 1.34 0.00 0.07 39.60 0.36 02:30:01 2.19 0.26 1.89 0.05 32.14 106.97 1.85 02:40:04 1.37 0.00 1.33 0.04 0.00 54.97 1.87 Average: 4.75 0.47 3.86 0.42 38.77 606.93 109.96 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:04 5228512 7410084 358328 4.41 85616 2257048 697192 7.59 589204 2027484 496 02:20:04 5216420 7405300 362892 4.46 85788 2264160 684176 7.45 591980 2034792 416 02:30:01 5162120 7386088 381600 4.69 86088 2298696 684324 7.45 601196 2060504 232 02:40:04 5156632 7392644 374936 4.61 86316 2310288 739892 8.06 607952 2072380 296 Average: 5190921 7398529 369439 4.54 85952 2282548 701396 7.64 597583 2048790 360 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:04 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 02:10:04 ens3 77.67 62.45 119.98 13.05 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 18.97 17.92 3.68 2.23 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 16.08 16.90 6.60 1.72 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 25.40 21.12 13.28 2.85 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 34.58 29.64 35.98 4.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20206) 05/26/26 _x86_64_ (2 CPU) 01:58:25 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:04 all 10.57 0.00 1.55 2.11 0.07 85.70 02:10:04 0 9.78 0.00 1.49 2.27 0.07 86.39 02:10:04 1 11.35 0.00 1.61 1.95 0.06 85.02 02:20:04 all 4.47 0.00 0.62 0.01 0.07 94.84 02:20:04 0 4.71 0.00 0.70 0.00 0.07 94.52 02:20:04 1 4.23 0.00 0.53 0.01 0.08 95.15 02:30:01 all 2.51 0.00 0.55 0.02 0.07 96.85 02:30:01 0 2.31 0.00 0.57 0.01 0.07 97.04 02:30:01 1 2.72 0.00 0.53 0.03 0.07 96.65 02:40:04 all 4.74 0.00 0.54 0.02 0.07 94.63 02:40:04 0 4.65 0.00 0.55 0.01 0.07 94.73 02:40:04 1 4.83 0.00 0.54 0.03 0.06 94.53 Average: all 5.58 0.00 0.82 0.54 0.07 92.99 Average: 0 5.37 0.00 0.83 0.58 0.07 93.16 Average: 1 5.79 0.00 0.81 0.51 0.07 92.83