---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25471 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 746 5207 4 2279 7195 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:5e:e3:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84036sec preferred_lft 84036sec inet6 fe80::f816:3eff:fe5e:e30f/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-25471) 06/07/26 _x86_64_ (2 CPU) 00:16:17 LINUX RESTART (2 CPU) 00:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 10.46 1.63 7.82 1.01 141.78 1167.00 279.39 00:40:09 1.22 0.01 1.20 0.02 0.05 17.98 1.19 00:50:16 1.30 0.00 1.29 0.02 0.00 23.33 1.08 Average: 4.29 0.54 3.41 0.34 46.60 397.33 92.56 00:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5171344 7376356 391116 4.81 86740 2278644 645264 7.03 591460 2041328 248 00:40:09 5186496 7392804 374504 4.61 86932 2279732 646496 7.04 592720 2042624 156 00:50:16 5185776 7394900 372384 4.58 87120 2282360 650592 7.09 596840 2045440 124 Average: 5181205 7388020 379335 4.66 86931 2280245 647451 7.05 593673 2043131 176 00:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:30:01 ens3 30.33 21.61 48.12 5.07 0.00 0.00 0.00 0.00 00:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:09 ens3 2.30 0.40 0.42 0.15 0.00 0.00 0.00 0.00 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 1.19 0.49 0.18 0.12 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 11.14 7.40 16.01 1.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25471) 06/07/26 _x86_64_ (2 CPU) 00:16:17 LINUX RESTART (2 CPU) 00:20:07 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 5.58 0.00 0.98 0.16 0.07 93.21 00:30:01 0 4.43 0.00 0.91 0.13 0.09 94.45 00:30:01 1 6.74 0.00 1.05 0.19 0.05 91.97 00:40:09 all 0.52 0.00 0.14 0.01 0.08 99.25 00:40:09 0 0.68 0.00 0.18 0.00 0.10 99.04 00:40:09 1 0.35 0.00 0.11 0.01 0.06 99.46 00:50:16 all 0.97 0.00 0.15 0.01 0.07 98.80 00:50:16 0 1.64 0.00 0.20 0.01 0.10 98.06 00:50:16 1 0.31 0.00 0.10 0.00 0.05 99.54 Average: all 2.33 0.00 0.42 0.06 0.07 97.12 Average: 0 2.23 0.00 0.43 0.05 0.09 97.20 Average: 1 2.43 0.00 0.41 0.07 0.05 97.04