---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19694 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 794 5173 4 2265 7146 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:e8:89:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81251sec preferred_lft 81251sec inet6 fe80::f816:3eff:fee8:898a/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-19694) 05/25/26 _x86_64_ (2 CPU) 01:48:00 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:06 1.68 0.02 1.64 0.01 1.24 19.81 869.12 02:10:06 1.98 0.26 1.69 0.02 32.09 76.00 1.07 02:20:04 14.03 0.01 1.44 12.59 0.16 16.85 109431.03 02:30:07 1.62 0.00 1.60 0.02 0.00 19.25 866.69 02:40:08 1.36 0.00 1.36 0.00 0.00 16.36 0.00 02:50:04 1.31 0.00 1.31 0.00 0.00 15.58 0.00 03:00:08 24.77 3.00 19.45 2.32 226.75 3516.20 939.38 03:10:08 1.34 0.00 1.34 0.01 0.00 22.25 0.08 Average: 6.02 0.41 3.74 1.87 32.68 465.14 13966.50 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:06 6274416 7525332 294928 3.63 30604 1426108 531284 5.79 440824 1187240 216 02:10:06 6233040 7511148 308676 3.80 31008 1452540 531212 5.79 449896 1204996 264 02:20:04 6232836 7511548 308184 3.79 31224 1452908 531204 5.79 450076 1205552 336 02:30:07 6235544 7514788 304924 3.75 31408 1453244 531376 5.79 450216 1206068 284 02:40:08 6235296 7515188 304528 3.74 31588 1453696 531376 5.79 450612 1206580 240 02:50:04 6235296 7515684 304016 3.74 31748 1454024 531504 5.79 451796 1207068 260 03:00:08 5141012 7338512 428900 5.27 86592 2271696 668816 7.28 630648 2034028 464 03:10:08 5114356 7313908 453276 5.57 86748 2273596 746752 8.13 650536 2036080 544 Average: 5962724 7468264 338429 4.16 45115 1654726 575440 6.27 496826 1410952 326 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 1.04 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.62 0.21 3.16 0.03 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.28 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 0.24 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.33 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.41 0.14 0.11 0.41 0.00 0.00 0.00 0.00 03:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:08 ens3 71.86 49.35 326.19 11.67 0.00 0.00 0.00 0.00 03:10:08 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 13.35 11.32 107.33 1.04 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 11.06 7.69 54.84 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19694) 05/25/26 _x86_64_ (2 CPU) 01:48:00 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:06 all 0.33 0.00 0.17 0.01 0.02 99.46 02:00:06 0 0.35 0.00 0.16 0.00 0.02 99.46 02:00:06 1 0.31 0.00 0.18 0.02 0.02 99.47 02:10:06 all 0.38 0.00 0.11 0.03 0.02 99.47 02:10:06 0 0.50 0.00 0.09 0.01 0.02 99.39 02:10:06 1 0.25 0.00 0.13 0.04 0.03 99.54 02:20:04 all 0.26 0.00 0.08 0.03 0.02 99.60 02:20:04 0 0.44 0.00 0.07 0.03 0.02 99.44 02:20:04 1 0.07 0.00 0.10 0.04 0.03 99.76 02:30:07 all 0.27 0.00 0.16 0.01 0.02 99.54 02:30:07 0 0.45 0.00 0.17 0.02 0.02 99.34 02:30:07 1 0.08 0.00 0.16 0.00 0.02 99.73 02:40:08 all 0.28 0.00 0.08 0.01 0.02 99.62 02:40:08 0 0.48 0.00 0.06 0.02 0.02 99.43 02:40:08 1 0.07 0.00 0.10 0.00 0.03 99.81 02:50:04 all 0.29 0.00 0.07 0.05 0.02 99.57 02:50:04 0 0.43 0.00 0.05 0.06 0.02 99.44 02:50:04 1 0.15 0.00 0.10 0.03 0.02 99.70 03:00:08 all 12.22 0.00 1.93 1.23 0.06 84.55 03:00:08 0 12.34 0.00 2.02 1.25 0.06 84.33 03:00:08 1 12.11 0.00 1.85 1.22 0.06 84.76 03:10:08 all 1.02 0.00 0.25 0.03 0.12 98.59 03:10:08 0 1.15 0.00 0.27 0.03 0.12 98.43 03:10:08 1 0.88 0.00 0.24 0.03 0.12 98.74 Average: all 1.88 0.00 0.36 0.17 0.04 97.54 Average: 0 2.02 0.00 0.36 0.18 0.04 97.40 Average: 1 1.75 0.00 0.36 0.17 0.04 97.68