---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3204 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: 5599.94 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 760 5207 4 2270 7181 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:7f:a6:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8118sec preferred_lft 8118sec inet6 fe80::f816:3eff:fe7f:a6ef/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-3204) 04/17/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.69 0.02 1.66 0.02 0.82 19.82 218.42 00:20:07 1.72 0.11 1.59 0.03 3.02 22.82 537.28 00:30:07 1.57 0.00 1.55 0.02 0.00 17.69 0.36 00:40:01 22.54 3.03 17.27 2.24 228.36 3179.30 925.56 Average: 6.85 0.78 5.49 0.57 57.66 804.44 420.02 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6114616 7516624 291756 3.59 54040 1543872 594568 6.48 475864 1312832 280 00:20:07 6129252 7492880 315412 3.88 54180 1505308 592264 6.45 474488 1274188 268 00:30:07 6137052 7501328 306956 3.77 54324 1505768 592264 6.45 474648 1274696 268 00:40:01 5203592 7396200 364444 4.48 103464 2244396 692528 7.54 610724 2017344 1144 Average: 5896128 7476758 319642 3.93 66502 1699836 617906 6.73 508931 1469765 490 00:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:07 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:07 ens3 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 0.51 0.13 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 62.37 42.32 301.95 11.11 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.71 10.57 75.03 2.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3204) 04/17/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.27 0.00 0.10 0.01 0.02 99.60 00:10:01 0 0.06 0.00 0.12 0.01 0.03 99.78 00:10:01 1 0.47 0.00 0.08 0.01 0.02 99.42 00:20:07 all 0.61 0.00 0.21 0.01 0.03 99.14 00:20:07 0 0.80 0.00 0.22 0.01 0.02 98.94 00:20:07 1 0.42 0.00 0.20 0.01 0.03 99.34 00:30:07 all 0.24 0.00 0.16 0.01 0.03 99.57 00:30:07 0 0.07 0.00 0.19 0.01 0.03 99.70 00:30:07 1 0.40 0.00 0.14 0.01 0.02 99.43 00:40:01 all 11.58 0.00 1.75 0.60 0.05 86.03 00:40:01 0 12.33 0.00 1.78 0.75 0.05 85.09 00:40:01 1 10.82 0.00 1.72 0.45 0.04 86.98 Average: all 3.15 0.00 0.55 0.16 0.03 96.11 Average: 0 3.30 0.00 0.58 0.19 0.03 95.90 Average: 1 3.01 0.00 0.53 0.12 0.03 96.31