---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36514 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 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 739 5212 4 2283 7202 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:a6:63:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84154sec preferred_lft 84154sec inet6 fe80::f816:3eff:fea6:6340/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36514) 07/17/26 _x86_64_ (2 CPU) 00:36:12 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 5.57 0.30 4.67 0.60 35.27 858.80 243.16 01:00:02 1.44 0.01 1.40 0.03 0.05 17.86 1.36 01:10:03 1.22 0.00 1.20 0.02 0.00 14.87 1.20 Average: 2.74 0.10 2.42 0.22 11.75 296.53 81.72 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5180368 7397892 368664 4.53 86644 2290832 618868 6.74 584668 2054196 124 01:00:02 5175032 7393120 373168 4.59 86832 2291188 618964 6.74 584964 2054740 180 01:10:03 5184848 7403448 362840 4.46 86988 2291544 619196 6.74 585048 2055252 200 Average: 5180083 7398153 368224 4.53 86821 2291188 619009 6.74 584893 2054729 168 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:50:01 ens3 24.61 16.47 8.40 4.17 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.69 0.24 0.18 0.05 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.78 0.28 0.24 0.15 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 8.68 5.65 2.94 1.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36514) 07/17/26 _x86_64_ (2 CPU) 00:36:12 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 2.10 0.00 0.40 0.16 0.05 97.29 00:50:01 0 2.24 0.00 0.44 0.21 0.04 97.07 00:50:01 1 1.96 0.00 0.37 0.10 0.06 97.51 01:00:02 all 0.40 0.00 0.23 0.01 0.05 99.32 01:00:02 0 0.36 0.00 0.23 0.01 0.04 99.36 01:00:02 1 0.44 0.00 0.23 0.00 0.06 99.28 01:10:03 all 0.39 0.00 0.12 0.01 0.05 99.43 01:10:03 0 0.42 0.00 0.11 0.02 0.05 99.41 01:10:03 1 0.37 0.00 0.13 0.01 0.05 99.44 Average: all 0.96 0.00 0.25 0.06 0.05 98.68 Average: 0 1.00 0.00 0.26 0.08 0.04 98.62 Average: 1 0.92 0.00 0.24 0.04 0.05 98.75