---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35260 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 8.3G 30G 22% / 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 750 4884 4 2602 7191 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:a2:40:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82690sec preferred_lft 82690sec inet6 fe80::f816:3eff:fea2:406b/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-35260) 07/13/26 _x86_64_ (2 CPU) 00:35:15 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.43 0.03 1.38 0.01 1.72 28.91 0.96 01:00:01 1.67 0.02 1.61 0.04 0.65 21.21 8.65 01:10:01 1.47 0.00 1.44 0.03 0.00 249.96 1.09 01:20:01 1.99 0.25 1.71 0.03 30.98 344.35 0.52 01:30:01 1.64 0.01 1.61 0.02 1.05 20.56 1.93 Average: 1.64 0.06 1.55 0.03 6.88 133.08 2.63 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 4994864 7175520 592544 7.29 86020 2255140 758060 8.26 709876 2025932 168 01:00:01 4943460 7125016 642820 7.90 86216 2255840 890332 9.70 824988 2026720 124 01:10:01 4993052 7245904 521400 6.41 86396 2326444 786472 8.57 721908 2097504 124 01:20:01 4754016 7115412 649972 7.99 86688 2433264 1120228 12.20 863160 2195848 248 01:30:01 4715132 7077600 687860 8.46 86868 2434120 958248 10.44 903700 2196448 124 Average: 4880105 7147890 618919 7.61 86438 2340962 902668 9.83 804726 2108490 158 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 40.54 37.03 605.78 2.67 0.00 0.00 0.00 0.00 01:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 78.09 72.45 1278.76 4.77 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 27.68 26.08 422.66 1.77 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 34.16 32.97 542.40 2.23 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 5.48 5.11 76.68 0.39 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 37.19 34.73 585.30 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35260) 07/13/26 _x86_64_ (2 CPU) 00:35:15 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.80 0.00 0.31 0.01 0.06 98.82 00:50:01 0 0.51 0.00 0.10 0.01 0.03 99.35 00:50:01 1 1.09 0.00 0.51 0.01 0.09 98.29 01:00:01 all 1.08 0.00 0.65 0.03 0.10 98.16 01:00:01 0 1.01 0.00 0.56 0.04 0.07 98.33 01:00:01 1 1.14 0.00 0.74 0.01 0.13 97.99 01:10:01 all 0.75 0.00 0.26 0.03 0.06 98.90 01:10:01 0 0.55 0.00 0.11 0.04 0.04 99.27 01:10:01 1 0.96 0.00 0.42 0.01 0.08 98.53 01:20:01 all 0.95 0.00 0.27 0.02 0.07 98.68 01:20:01 0 0.95 0.00 0.22 0.03 0.08 98.73 01:20:01 1 0.96 0.00 0.31 0.02 0.07 98.64 01:30:01 all 0.44 0.00 0.25 0.01 0.07 99.22 01:30:01 0 0.50 0.00 0.15 0.02 0.04 99.29 01:30:01 1 0.39 0.00 0.35 0.00 0.10 99.16 Average: all 0.81 0.00 0.35 0.02 0.07 98.76 Average: 0 0.70 0.00 0.23 0.03 0.05 98.99 Average: 1 0.91 0.00 0.47 0.01 0.09 98.52