---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32242 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 761 5166 4 2306 7180 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:f8:75:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85070sec preferred_lft 85070sec inet6 fe80::f816:3eff:fef8:7524/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32242) 07/02/26 _x86_64_ (2 CPU) 01:58:44 LINUX RESTART (2 CPU) 02:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:18 15.72 1.63 12.32 1.77 125.86 2584.54 424.65 02:20:02 3.93 0.05 3.03 0.85 1.55 324.58 2197.99 Average: 9.92 0.85 7.75 1.32 64.74 1473.44 1296.50 02:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:18 5223632 7406620 361048 4.44 85708 2258028 678768 7.39 590896 2028748 216 02:20:02 5340764 7394816 382060 4.70 87292 2136012 624984 6.81 598920 1908028 24044 Average: 5282198 7400718 371554 4.57 86500 2197020 651876 7.10 594908 1968388 12130 02:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:18 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 02:10:18 ens3 116.08 92.48 167.19 14.79 0.00 0.00 0.00 0.00 02:20:02 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 74.92 71.28 31.58 15.49 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 95.84 82.06 100.52 15.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32242) 07/02/26 _x86_64_ (2 CPU) 01:58:44 LINUX RESTART (2 CPU) 02:00:14 CPU %user %nice %system %iowait %steal %idle 02:10:18 all 11.26 0.00 1.72 0.27 0.05 86.70 02:10:18 0 10.35 0.00 1.62 0.26 0.05 87.72 02:10:18 1 12.18 0.00 1.83 0.27 0.05 85.67 02:20:02 all 9.50 0.00 1.22 0.05 0.06 89.17 02:20:02 0 10.37 0.00 1.22 0.04 0.07 88.31 02:20:02 1 8.63 0.00 1.23 0.05 0.06 90.03 Average: all 10.40 0.00 1.48 0.16 0.06 87.91 Average: 0 10.36 0.00 1.42 0.15 0.06 88.01 Average: 1 10.44 0.00 1.53 0.16 0.06 87.81