---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25504 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 771 5143 4 2319 7170 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:0f:ef:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:fe0f:efb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25504) 06/07/26 _x86_64_ (2 CPU) 00:17:09 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 1.56 0.03 1.52 0.02 1.24 19.16 871.79 00:40:00 23.99 3.26 18.44 2.30 258.06 3525.17 576.09 00:50:00 5.50 0.10 3.75 1.65 7.87 381.85 5109.84 Average: 10.35 1.13 7.90 1.32 89.05 1308.71 2185.91 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 6282692 7533788 286460 3.52 30620 1426284 530544 5.78 449788 1187420 124 00:40:00 5236092 7439372 327140 4.02 86272 2277288 764396 8.33 558708 2039752 124 00:50:00 5250608 7320416 455388 5.60 88696 2149584 668800 7.28 670904 1912488 12976 Average: 5589797 7431192 356329 4.38 68529 1951052 654580 7.13 559800 1713220 4408 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 1.48 0.10 0.18 0.06 0.00 0.00 0.00 0.00 00:40:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 97.07 72.35 326.95 17.46 0.00 0.00 0.00 0.00 00:50:00 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 147.47 142.62 40.77 21.30 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 82.01 71.69 122.63 12.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25504) 06/07/26 _x86_64_ (2 CPU) 00:17:09 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 0.29 0.00 0.19 0.01 0.03 99.48 00:30:00 0 0.30 0.00 0.19 0.01 0.03 99.48 00:30:00 1 0.28 0.00 0.20 0.02 0.03 99.47 00:40:00 all 11.97 0.00 1.79 0.74 0.05 85.45 00:40:00 0 9.74 0.00 1.49 0.77 0.05 87.94 00:40:00 1 14.19 0.00 2.10 0.70 0.06 82.95 00:50:00 all 11.90 0.00 1.50 0.07 0.07 86.45 00:50:00 0 15.83 0.00 1.75 0.06 0.08 82.28 00:50:00 1 7.99 0.00 1.24 0.09 0.07 90.61 Average: all 8.04 0.00 1.16 0.27 0.05 90.47 Average: 0 8.60 0.00 1.14 0.28 0.05 89.92 Average: 1 7.48 0.00 1.18 0.27 0.05 91.02