---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8197 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 764 5201 4 2273 7177 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:45:ec:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8237sec preferred_lft 8237sec inet6 fe80::f816:3eff:fe45:ecf7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8197) 04/27/26 _x86_64_ (2 CPU) 00:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:15 1.73 0.01 1.70 0.01 0.81 21.97 0.25 00:20:01 1.69 0.11 1.55 0.04 3.12 23.43 318.32 00:30:15 1.67 0.00 1.65 0.02 0.00 19.22 0.34 Average: 1.70 0.04 1.63 0.02 1.29 21.51 103.89 00:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:15 6107060 7518840 289516 3.56 56392 1551376 750568 8.18 485324 1315292 136 00:20:01 6127564 7501092 307164 3.78 56560 1512892 748520 8.15 483944 1276632 124 00:30:15 6122204 7496200 311980 3.84 56688 1513224 748520 8.15 484064 1277092 132 Average: 6118943 7505377 302887 3.72 56547 1525831 749203 8.16 484444 1289672 131 00:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:15 ens3 0.53 0.41 0.09 1.81 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.16 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:15 ens3 0.29 0.09 0.10 0.06 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 0.33 0.19 0.08 0.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8197) 04/27/26 _x86_64_ (2 CPU) 00:00:15 CPU %user %nice %system %iowait %steal %idle 00:10:15 all 0.11 0.00 0.10 0.02 0.03 99.74 00:10:15 0 0.14 0.00 0.11 0.03 0.02 99.71 00:10:15 1 0.09 0.00 0.09 0.01 0.03 99.78 00:20:01 all 0.65 0.00 0.20 0.01 0.03 99.10 00:20:01 0 0.48 0.00 0.22 0.01 0.04 99.25 00:20:01 1 0.83 0.00 0.18 0.01 0.02 98.96 00:30:15 all 0.29 0.00 0.14 0.01 0.03 99.54 00:30:15 0 0.05 0.00 0.14 0.01 0.03 99.76 00:30:15 1 0.53 0.00 0.14 0.00 0.02 99.32 Average: all 0.35 0.00 0.15 0.01 0.03 99.47 Average: 0 0.22 0.00 0.16 0.02 0.03 99.58 Average: 1 0.48 0.00 0.14 0.01 0.02 99.35