---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19446 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: 5600.00 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 776 5218 4 2238 7165 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:0b:a3:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84772sec preferred_lft 84772sec inet6 fe80::f816:3eff:fe0b:a3cb/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-19446) 05/24/26 _x86_64_ (2 CPU) 00:15:45 LINUX RESTART (2 CPU) 00:20:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:25 1.58 0.03 1.54 0.02 1.24 18.92 871.79 00:40:01 23.63 3.15 18.09 2.39 237.75 3565.29 555.59 Average: 12.38 1.56 9.65 1.18 117.10 1756.19 716.89 00:20:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:25 6288692 7539872 280848 3.45 30676 1426104 528844 5.76 442576 1187440 124 00:40:01 5224160 7393000 375524 4.62 85684 2244204 656064 7.15 607332 2014984 680 Average: 5756426 7466436 328186 4.04 58180 1835154 592454 6.45 524954 1601212 402 00:20:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:25 ens3 0.94 0.10 0.15 0.06 0.00 0.00 0.00 0.00 00:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 66.14 46.15 329.13 12.09 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 32.88 22.66 161.31 5.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19446) 05/24/26 _x86_64_ (2 CPU) 00:15:45 LINUX RESTART (2 CPU) 00:20:25 CPU %user %nice %system %iowait %steal %idle 00:30:25 all 0.31 0.00 0.18 0.01 0.02 99.48 00:30:25 0 0.47 0.00 0.14 0.02 0.02 99.35 00:30:25 1 0.14 0.00 0.21 0.01 0.02 99.62 00:40:01 all 12.83 0.00 1.86 0.60 0.05 84.66 00:40:01 0 16.35 0.00 2.17 0.72 0.05 80.71 00:40:01 1 9.32 0.00 1.55 0.47 0.04 88.62 Average: all 6.44 0.00 1.00 0.30 0.03 92.23 Average: 0 8.24 0.00 1.14 0.36 0.03 90.22 Average: 1 4.64 0.00 0.87 0.23 0.03 94.23