---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25288 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 742 5229 4 2262 7199 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:ce:f8:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84163sec preferred_lft 84163sec inet6 fe80::f816:3eff:fece:f863/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25288) 06/06/26 _x86_64_ (2 CPU) 03:07:26 LINUX RESTART (2 CPU) 03:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:18 9.63 1.20 7.45 0.98 104.50 1105.65 348.78 03:30:01 1.52 0.01 1.48 0.03 0.05 18.45 1.34 03:40:13 1.29 0.00 1.27 0.02 0.00 15.67 1.29 Average: 4.15 0.40 3.41 0.34 34.98 381.25 117.57 03:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:18 5221056 7420032 347220 4.27 86020 2273224 640392 6.98 587956 2035376 216 03:30:01 5215524 7415048 351824 4.33 86212 2273584 641532 6.99 588228 2035928 176 03:40:13 5215712 7415744 351120 4.32 86372 2273940 641544 6.99 588232 2036436 180 Average: 5217431 7416941 350055 4.30 86201 2273583 641156 6.98 588139 2035913 191 03:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:18 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:20:18 ens3 28.89 19.74 39.21 4.91 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.65 0.26 0.16 0.07 0.00 0.00 0.00 0.00 03:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:13 ens3 1.07 0.22 3.90 0.09 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.24 6.77 14.50 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25288) 06/06/26 _x86_64_ (2 CPU) 03:07:26 LINUX RESTART (2 CPU) 03:10:17 CPU %user %nice %system %iowait %steal %idle 03:20:18 all 4.56 0.00 0.80 0.20 0.04 94.39 03:20:18 0 3.29 0.00 0.72 0.24 0.05 95.70 03:20:18 1 5.84 0.00 0.87 0.17 0.04 93.09 03:30:01 all 0.40 0.00 0.22 0.02 0.05 99.31 03:30:01 0 0.40 0.00 0.23 0.01 0.05 99.30 03:30:01 1 0.40 0.00 0.21 0.02 0.04 99.33 03:40:13 all 0.38 0.00 0.12 0.01 0.05 99.44 03:40:13 0 0.30 0.00 0.17 0.01 0.06 99.45 03:40:13 1 0.45 0.00 0.08 0.01 0.03 99.43 Average: all 1.79 0.00 0.38 0.08 0.04 97.71 Average: 0 1.33 0.00 0.37 0.09 0.05 98.15 Average: 1 2.24 0.00 0.39 0.07 0.04 97.27