---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2098 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 775 5296 4 2157 7166 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:85:87:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85050sec preferred_lft 85050sec inet6 fe80::f816:3eff:fe85:874f/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-2098) 04/11/26 _x86_64_ (2 CPU) 23:29:01 LINUX RESTART (2 CPU) 23:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:40:26 17.46 1.77 13.79 1.90 129.39 2550.48 487.84 23:50:09 1.36 0.02 1.32 0.02 0.85 23.39 1.23 Average: 9.68 0.93 7.77 0.99 67.29 1329.56 252.74 23:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:40:26 5307608 7393888 378280 4.65 84744 2165996 670464 7.30 610968 1935124 380 23:50:09 5554876 7456316 324572 3.99 84948 1988912 574104 6.25 557748 1758148 1364 Average: 5431242 7425102 351426 4.32 84846 2077454 622284 6.78 584358 1846636 872 23:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:40:26 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 23:40:26 ens3 81.56 58.46 168.92 13.05 0.00 0.00 0.00 0.00 23:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:50:09 ens3 11.26 8.59 3.13 1.72 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 47.60 34.37 88.82 7.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2098) 04/11/26 _x86_64_ (2 CPU) 23:29:01 LINUX RESTART (2 CPU) 23:30:02 CPU %user %nice %system %iowait %steal %idle 23:40:26 all 9.76 0.00 1.57 0.39 0.06 88.22 23:40:26 0 12.60 0.00 1.84 0.46 0.07 85.04 23:40:26 1 6.92 0.00 1.29 0.32 0.06 91.41 23:50:09 all 2.22 0.00 0.38 0.01 0.05 97.34 23:50:09 0 2.29 0.00 0.46 0.01 0.05 97.18 23:50:09 1 2.16 0.00 0.30 0.01 0.04 97.50 Average: all 6.12 0.00 0.99 0.20 0.06 92.63 Average: 0 7.62 0.00 1.17 0.24 0.06 90.91 Average: 1 4.62 0.00 0.81 0.17 0.05 94.35