---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8098 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 7.8G 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 5324 4 2145 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:e8:bb:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84940sec preferred_lft 84940sec inet6 fe80::f816:3eff:fee8:bb23/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8098) 04/26/26 _x86_64_ (2 CPU) 00:16:18 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:02 1.46 0.02 1.41 0.03 1.24 18.21 871.77 00:40:03 24.71 3.09 18.45 3.17 234.03 3216.56 3936.16 Average: 13.10 1.56 9.94 1.60 117.75 1618.98 2405.50 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:02 6286636 7533000 287396 3.53 30612 1421428 522512 5.69 448280 1183264 176 00:40:03 5448084 7353784 427384 5.26 86084 1992404 627464 6.83 617140 1762284 33548 Average: 5867360 7443392 357390 4.39 58348 1706916 574988 6.26 532710 1472774 16862 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 1.26 0.07 0.13 0.03 0.00 0.00 0.00 0.00 00:40:03 lo 1.35 1.35 0.10 0.10 0.00 0.00 0.00 0.00 00:40:03 ens3 71.13 45.16 307.64 13.09 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 36.23 22.64 154.04 6.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8098) 04/26/26 _x86_64_ (2 CPU) 00:16:18 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:02 all 0.29 0.00 0.18 0.01 0.02 99.50 00:30:02 0 0.39 0.00 0.17 0.00 0.02 99.41 00:30:02 1 0.19 0.00 0.19 0.02 0.02 99.58 00:40:03 all 13.33 0.00 1.93 1.46 0.05 83.24 00:40:03 0 14.33 0.00 1.84 1.80 0.05 81.99 00:40:03 1 12.33 0.00 2.02 1.12 0.05 84.48 Average: all 6.81 0.00 1.05 0.74 0.04 91.36 Average: 0 7.36 0.00 1.00 0.90 0.04 90.70 Average: 1 6.26 0.00 1.10 0.57 0.04 92.03