---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17240 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 761 5178 4 2294 7180 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:3a:1d:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84076sec preferred_lft 84076sec inet6 fe80::f816:3eff:fe3a:1d72/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17240) 05/21/26 _x86_64_ (2 CPU) 00:15:01 LINUX RESTART (2 CPU) 00:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 9.41 0.47 7.96 0.98 40.37 1166.33 259.42 00:40:01 1.24 0.01 1.23 0.00 0.56 27.63 0.04 00:50:01 1.42 0.00 1.42 0.00 0.00 22.31 0.04 Average: 4.00 0.16 3.51 0.32 13.50 401.38 85.58 00:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5165716 7383072 383760 4.72 89660 2287860 632664 6.89 593680 2053580 160 00:40:01 5162500 7383868 382968 4.71 89800 2291724 655000 7.13 611344 2057464 152 00:50:01 5168292 7391888 374936 4.61 89944 2293816 659200 7.18 615736 2059692 232 Average: 5165503 7386276 380555 4.68 89801 2291133 648955 7.07 606920 2056912 181 00:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.46 1.46 0.10 0.10 0.00 0.00 0.00 0.00 00:30:01 ens3 10.41 8.88 39.57 2.36 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 10.13 7.56 2.07 3.19 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 4.08 3.55 0.69 0.83 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 8.20 6.65 13.98 2.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17240) 05/21/26 _x86_64_ (2 CPU) 00:15:01 LINUX RESTART (2 CPU) 00:20:11 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 4.72 0.00 0.85 0.16 0.06 94.21 00:30:01 0 4.92 0.00 0.81 0.15 0.07 94.05 00:30:01 1 4.52 0.00 0.89 0.16 0.06 94.37 00:40:01 all 1.57 0.00 0.20 0.01 0.07 98.14 00:40:01 0 2.22 0.00 0.20 0.01 0.08 97.49 00:40:01 1 0.93 0.00 0.21 0.02 0.06 98.79 00:50:01 all 1.05 0.00 0.22 0.01 0.08 98.65 00:50:01 0 0.77 0.00 0.21 0.02 0.08 98.93 00:50:01 1 1.32 0.00 0.23 0.01 0.08 98.37 Average: all 2.44 0.00 0.42 0.06 0.07 97.01 Average: 0 2.63 0.00 0.40 0.06 0.08 96.84 Average: 1 2.25 0.00 0.44 0.06 0.07 97.19