---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53388 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 758 5228 4 2244 7183 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:0e:4d:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82866sec preferred_lft 82866sec inet6 fe80::f816:3eff:fe0e:4d15/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53388) 03/27/26 _x86_64_ (2 CPU) 05:13:19 LINUX RESTART (2 CPU) 05:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 2.32 0.35 1.92 0.05 41.96 98.42 1.98 05:40:30 1.35 0.00 1.31 0.05 0.00 62.00 1.83 05:50:29 1.31 0.00 1.27 0.04 0.00 22.27 1.77 06:00:01 1.52 0.00 1.47 0.05 0.00 25.68 1.90 06:10:30 1.25 0.00 1.22 0.03 0.67 41.12 1.72 Average: 1.54 0.07 1.43 0.04 8.29 49.93 1.84 05:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 5284060 7394676 376856 4.63 84252 2191092 691300 7.53 598960 1948624 648 05:40:30 5275552 7400724 370840 4.56 84476 2205404 662064 7.21 602396 1963152 144 05:50:29 5271520 7399128 372420 4.58 84684 2207596 678452 7.39 602360 1965556 188 06:00:01 5262148 7392168 379260 4.66 84896 2209748 678656 7.39 602552 1967924 140 06:10:30 5315404 7458592 312696 3.85 85084 2222560 571404 6.22 546916 1980584 4400 Average: 5281737 7409058 362414 4.46 84678 2207280 656375 7.15 590637 1965168 1104 05:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 28.31 26.35 9.60 2.21 0.00 0.00 0.00 0.00 05:40:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:30 ens3 29.37 29.33 9.75 2.48 0.00 0.00 0.00 0.00 05:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:29 ens3 14.27 14.02 2.47 1.10 0.00 0.00 0.00 0.00 06:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 14.71 14.55 2.61 1.15 0.00 0.00 0.00 0.00 06:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:30 ens3 20.17 19.69 4.66 1.87 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.46 20.89 5.86 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53388) 03/27/26 _x86_64_ (2 CPU) 05:13:19 LINUX RESTART (2 CPU) 05:20:15 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 2.57 0.00 0.60 0.02 0.06 96.76 05:30:01 0 3.52 0.00 0.72 0.01 0.06 95.68 05:30:01 1 1.61 0.00 0.47 0.03 0.05 97.83 05:40:30 all 4.59 0.00 0.62 0.01 0.06 94.72 05:40:30 0 6.59 0.00 0.79 0.00 0.06 92.56 05:40:30 1 2.60 0.00 0.46 0.01 0.06 96.87 05:50:29 all 1.57 0.00 0.25 0.01 0.06 98.11 05:50:29 0 1.69 0.00 0.24 0.00 0.06 98.00 05:50:29 1 1.45 0.00 0.25 0.02 0.06 98.22 06:00:01 all 1.70 0.00 0.34 0.01 0.07 97.89 06:00:01 0 1.29 0.00 0.32 0.01 0.06 98.31 06:00:01 1 2.10 0.00 0.36 0.01 0.07 97.47 06:10:30 all 3.40 0.00 0.51 0.01 0.07 96.02 06:10:30 0 4.28 0.00 0.65 0.01 0.07 95.00 06:10:30 1 2.52 0.00 0.36 0.00 0.07 97.04 Average: all 2.80 0.00 0.46 0.01 0.06 96.66 Average: 0 3.53 0.00 0.55 0.01 0.06 95.85 Average: 1 2.07 0.00 0.38 0.01 0.06 97.47