---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15875 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: 5600.00 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 769 5216 4 2253 7172 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:1d:70:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84038sec preferred_lft 84038sec inet6 fe80::f816:3eff:fe1d:7023/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15875) 05/17/26 _x86_64_ (2 CPU) 00:15:38 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:24 19.47 13.26 5.60 0.60 154.05 840.62 562.17 00:40:24 1.36 0.01 1.35 0.00 0.04 18.80 0.12 00:50:01 1.25 0.00 1.25 0.00 0.00 22.87 0.00 Average: 7.58 4.59 2.79 0.21 53.29 304.30 194.45 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:24 5216728 7390132 372332 4.58 88068 2241316 646284 7.04 592836 2004336 132 00:40:24 5220704 7395360 366896 4.51 88224 2242412 647404 7.05 594140 2005584 184 00:50:01 5215664 7393068 369204 4.54 88344 2245036 651640 7.10 598328 2008332 164 Average: 5217699 7392853 369477 4.54 88212 2242921 648443 7.06 595101 2006084 160 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:24 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:30:24 ens3 24.44 17.58 10.33 4.39 0.00 0.00 0.00 0.00 00:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:24 ens3 2.23 0.41 0.39 0.15 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.32 0.52 0.21 0.13 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.62 6.38 3.77 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15875) 05/17/26 _x86_64_ (2 CPU) 00:15:38 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:24 all 2.97 0.16 0.60 0.18 0.08 96.01 00:30:24 0 2.52 0.02 0.46 0.09 0.05 96.87 00:30:24 1 3.42 0.31 0.75 0.27 0.11 95.14 00:40:24 all 0.58 0.00 0.14 0.02 0.08 99.18 00:40:24 0 0.42 0.00 0.11 0.01 0.06 99.40 00:40:24 1 0.75 0.00 0.18 0.02 0.09 98.96 00:50:01 all 1.09 0.00 0.15 0.01 0.07 98.68 00:50:01 0 1.73 0.00 0.23 0.01 0.11 97.92 00:50:01 1 0.46 0.00 0.07 0.01 0.04 99.43 Average: all 1.57 0.06 0.31 0.07 0.08 97.93 Average: 0 1.56 0.01 0.27 0.04 0.07 98.05 Average: 1 1.57 0.11 0.34 0.10 0.08 97.80