---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1977 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 766 5198 4 2269 7175 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:29:dc:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84023sec preferred_lft 84023sec inet6 fe80::f816:3eff:fe29:dccb/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-1977) 08/04/26 _x86_64_ (2 CPU) 02:55:50 LINUX RESTART (2 CPU) 03:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:05 11.18 1.25 8.54 1.39 109.44 1298.88 638.21 03:20:01 1.23 0.01 1.22 0.00 0.07 14.61 0.12 03:30:15 1.85 0.25 1.58 0.02 30.30 76.00 0.39 Average: 4.74 0.50 3.77 0.47 46.63 461.95 212.14 03:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:05 5223876 7402000 364836 4.49 86264 2251980 632884 6.89 585860 2023576 224 03:20:01 5222868 7401508 365096 4.49 86428 2252332 633012 6.89 585984 2024092 192 03:30:15 5166388 7372060 394272 4.85 86708 2279004 834008 9.08 600504 2042272 220 Average: 5204377 7391856 374735 4.61 86467 2261105 699968 7.62 590783 2029980 212 03:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:05 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:10:05 ens3 26.08 18.80 38.83 4.74 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.56 0.19 0.11 0.05 0.00 0.00 0.00 0.00 03:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:15 ens3 0.84 0.46 3.29 0.09 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 9.13 6.46 14.04 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1977) 08/04/26 _x86_64_ (2 CPU) 02:55:50 LINUX RESTART (2 CPU) 03:00:03 CPU %user %nice %system %iowait %steal %idle 03:10:05 all 5.99 0.00 0.89 0.18 0.06 92.88 03:10:05 0 5.85 0.00 0.83 0.15 0.06 93.12 03:10:05 1 6.14 0.00 0.95 0.21 0.06 92.65 03:20:01 all 0.42 0.00 0.13 0.01 0.06 99.38 03:20:01 0 0.49 0.00 0.10 0.01 0.04 99.36 03:20:01 1 0.35 0.00 0.16 0.01 0.07 99.41 03:30:15 all 0.53 0.00 0.23 0.02 0.07 99.16 03:30:15 0 0.49 0.00 0.23 0.02 0.06 99.20 03:30:15 1 0.57 0.00 0.23 0.01 0.07 99.12 Average: all 2.31 0.00 0.42 0.07 0.06 97.15 Average: 0 2.27 0.00 0.39 0.06 0.05 97.23 Average: 1 2.35 0.00 0.45 0.08 0.07 97.06