---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31720 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 22% / 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 799 5081 4 2353 7142 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:ba:8c:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84318sec preferred_lft 84318sec inet6 fe80::f816:3eff:feba:8c35/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31720) 06/30/26 _x86_64_ (2 CPU) 00:35:53 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 4.94 0.05 4.34 0.54 3.36 867.08 238.78 01:00:01 1.55 0.01 1.52 0.02 0.05 102.47 0.42 01:10:10 18.78 0.08 4.10 14.60 6.19 460.08 106861.81 Average: 8.49 0.05 3.34 5.10 3.23 480.49 36039.31 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 5198572 7391968 375408 4.62 85804 2268276 667456 7.27 595328 2039584 276 01:00:01 5164756 7383392 383452 4.72 85956 2293240 673684 7.34 601204 2064700 144 01:10:10 5212996 7323684 451872 5.56 88924 2190140 677004 7.37 660316 1962864 19436 Average: 5192108 7366348 403577 4.96 86895 2250552 672715 7.33 618949 2022383 6619 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 93.66 72.86 25.73 13.02 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 57.39 54.92 26.53 5.60 0.00 0.00 0.00 0.00 01:10:10 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 01:10:10 ens3 35.53 28.93 26.55 18.15 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 62.26 52.22 26.27 12.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31720) 06/30/26 _x86_64_ (2 CPU) 00:35:53 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 7.54 0.00 1.11 0.05 0.05 91.24 00:50:10 0 9.24 0.00 1.23 0.08 0.06 89.40 00:50:10 1 5.85 0.00 0.99 0.03 0.05 93.08 01:00:01 all 6.02 0.00 0.83 0.02 0.07 93.07 01:00:01 0 5.54 0.00 0.89 0.02 0.07 93.48 01:00:01 1 6.50 0.00 0.76 0.01 0.07 92.66 01:10:10 all 9.13 0.00 0.94 0.13 0.07 89.74 01:10:10 0 7.72 0.00 0.94 0.13 0.06 91.14 01:10:10 1 10.55 0.00 0.93 0.12 0.07 88.33 Average: all 7.58 0.00 0.96 0.07 0.06 91.33 Average: 0 7.52 0.00 1.02 0.08 0.06 91.32 Average: 1 7.64 0.00 0.89 0.05 0.07 91.35