---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31254 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 8.1G 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 814 4958 4 2468 7127 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:b6:52:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82798sec preferred_lft 82798sec inet6 fe80::f816:3eff:feb6:523f/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-31254) 06/28/26 _x86_64_ (2 CPU) 00:16:50 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:29 13.46 0.03 1.46 11.97 1.32 18.39 104653.46 00:40:19 23.83 3.03 18.49 2.31 229.65 3508.11 542.73 00:50:01 1.76 0.26 1.48 0.01 31.94 85.13 0.43 01:00:09 1.47 0.00 1.43 0.04 1.04 25.18 1.78 01:10:29 1.24 0.00 1.23 0.02 0.00 16.81 1.16 Average: 8.32 0.65 4.73 2.95 51.36 712.11 21825.05 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:29 6286436 7533212 287028 3.53 30584 1422072 529828 5.77 445400 1183324 124 00:40:19 5214828 7385664 381808 4.69 86084 2245532 634836 6.91 604636 2017188 224 00:50:01 5142688 7342520 424708 5.22 86348 2274204 840168 9.15 625460 2037352 300 01:00:09 5144800 7347636 419640 5.16 86528 2276984 644336 7.02 622748 2040008 248 01:10:29 5152612 7356452 410716 5.05 86700 2277924 644504 7.02 622704 2041012 184 Average: 5388273 7393097 384780 4.73 75249 2099343 658734 7.17 584190 1863777 216 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:29 ens3 1.10 0.09 0.16 0.07 0.00 0.00 0.00 0.00 00:40:19 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 00:40:19 ens3 48.47 29.98 318.48 7.87 0.00 0.00 0.00 0.00 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.94 0.41 3.45 0.11 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.60 0.20 0.11 0.07 0.00 0.00 0.00 0.00 01:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 1.09 0.30 6.33 0.10 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.39 6.04 64.06 1.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31254) 06/28/26 _x86_64_ (2 CPU) 00:16:50 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:29 all 0.30 0.00 0.17 0.04 0.02 99.48 00:30:29 0 0.26 0.00 0.17 0.01 0.02 99.54 00:30:29 1 0.34 0.00 0.16 0.06 0.02 99.42 00:40:19 all 12.07 0.00 1.65 0.61 0.05 85.62 00:40:19 0 12.10 0.00 1.77 0.88 0.05 85.20 00:40:19 1 12.04 0.00 1.54 0.35 0.04 86.04 00:50:01 all 1.30 0.00 0.14 0.02 0.04 98.50 00:50:01 0 1.80 0.00 0.16 0.03 0.04 97.97 00:50:01 1 0.79 0.00 0.12 0.02 0.03 99.03 01:00:09 all 1.16 0.00 0.20 0.01 0.04 98.59 01:00:09 0 1.31 0.00 0.20 0.01 0.04 98.43 01:00:09 1 1.01 0.00 0.20 0.01 0.04 98.75 01:10:29 all 0.88 0.00 0.11 0.01 0.04 98.97 01:10:29 0 0.85 0.00 0.11 0.01 0.04 98.99 01:10:29 1 0.90 0.00 0.10 0.01 0.04 98.94 Average: all 3.07 0.00 0.45 0.14 0.04 96.31 Average: 0 3.19 0.00 0.47 0.18 0.04 96.11 Average: 1 2.95 0.00 0.42 0.09 0.03 96.50