---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26605 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 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 753 5242 4 2237 7188 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:8a:6b:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84146sec preferred_lft 84146sec inet6 fe80::f816:3eff:fe8a:6b24/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26605) 06/11/26 _x86_64_ (2 CPU) 03:07:41 LINUX RESTART (2 CPU) 03:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 11.13 1.28 8.47 1.38 112.62 1284.66 297.81 03:30:05 1.62 0.01 1.59 0.02 0.05 19.86 0.58 03:40:05 1.29 0.00 1.29 0.00 0.00 15.49 0.00 Average: 4.63 0.42 3.75 0.46 36.96 433.30 97.89 03:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5245480 7419604 347932 4.28 85776 2249116 638220 6.95 576728 2020748 144 03:30:05 5230456 7405116 362196 4.45 85960 2249480 638172 6.95 577008 2021288 268 03:40:05 5238520 7413656 353692 4.35 86088 2249832 638168 6.95 577120 2021768 236 Average: 5238152 7412792 354607 4.36 85941 2249476 638187 6.95 576952 2021268 216 03:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:20:01 ens3 29.73 19.81 40.86 4.95 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 0.65 0.21 0.15 0.07 0.00 0.00 0.00 0.00 03:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:05 ens3 0.45 0.18 0.10 0.05 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.12 6.63 13.49 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26605) 06/11/26 _x86_64_ (2 CPU) 03:07:41 LINUX RESTART (2 CPU) 03:10:13 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 5.95 0.00 0.89 0.27 0.08 92.82 03:20:01 0 8.08 0.00 0.97 0.37 0.08 90.50 03:20:01 1 3.81 0.00 0.80 0.16 0.09 95.14 03:30:05 all 0.39 0.00 0.23 0.01 0.09 99.27 03:30:05 0 0.41 0.00 0.26 0.01 0.09 99.23 03:30:05 1 0.37 0.00 0.20 0.02 0.09 99.31 03:40:05 all 0.37 0.00 0.12 0.01 0.09 99.41 03:40:05 0 0.40 0.00 0.07 0.01 0.06 99.47 03:40:05 1 0.34 0.00 0.17 0.01 0.13 99.35 Average: all 2.20 0.00 0.41 0.09 0.09 97.20 Average: 0 2.92 0.00 0.43 0.13 0.08 96.45 Average: 1 1.49 0.00 0.39 0.06 0.10 97.96