---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2878 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 761 5292 4 2176 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:e0:e0:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84176sec preferred_lft 84176sec inet6 fe80::f816:3eff:fee0:e084/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2878) 04/15/26 _x86_64_ (2 CPU) 01:47:23 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 10.05 1.23 7.78 1.05 105.13 1186.99 681.39 02:10:01 1.41 0.01 1.38 0.02 0.05 16.31 1.09 02:20:08 14.78 0.00 1.51 13.27 0.16 17.16 105560.98 Average: 8.80 0.41 3.56 4.83 35.12 406.82 35849.43 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 5319956 7402964 369128 4.54 83992 2163692 624052 6.80 581232 1932868 168 02:10:01 5326768 7410296 361572 4.45 84156 2164044 624044 6.80 581316 1933388 124 02:20:08 5325760 7409864 361968 4.45 84336 2164440 624072 6.80 581456 1933936 132 Average: 5324161 7407708 364223 4.48 84161 2164059 624056 6.80 581335 1933397 141 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:00:08 ens3 26.58 18.37 38.72 4.56 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.52 0.17 0.08 0.03 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.47 0.26 0.09 0.03 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 9.19 6.27 12.97 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2878) 04/15/26 _x86_64_ (2 CPU) 01:47:23 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 4.32 0.00 0.86 0.19 0.06 94.56 02:00:08 0 3.04 0.00 0.75 0.12 0.06 96.02 02:00:08 1 5.60 0.00 0.98 0.27 0.07 93.09 02:10:01 all 0.39 0.00 0.13 0.03 0.06 99.38 02:10:01 0 0.45 0.00 0.14 0.06 0.06 99.29 02:10:01 1 0.33 0.00 0.12 0.01 0.07 99.48 02:20:08 all 0.36 0.00 0.13 0.04 0.06 99.42 02:20:08 0 0.46 0.00 0.07 0.00 0.03 99.44 02:20:08 1 0.26 0.00 0.19 0.07 0.08 99.40 Average: all 1.69 0.00 0.37 0.09 0.06 97.79 Average: 0 1.32 0.00 0.32 0.06 0.05 98.25 Average: 1 2.06 0.00 0.43 0.12 0.07 97.32