---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28797 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 8.1G 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 744 5038 4 2452 7197 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:f4:68:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81809sec preferred_lft 81809sec inet6 fe80::f816:3eff:fef4:68df/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-28797) 06/20/26 _x86_64_ (2 CPU) 05:08:47 LINUX RESTART (2 CPU) 05:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:11 1.50 0.03 1.47 0.00 1.25 17.00 0.12 05:30:01 1.54 0.01 1.51 0.02 0.05 18.46 444.71 05:40:11 1.17 0.00 1.15 0.01 0.00 13.87 1.06 05:50:11 1.77 0.25 1.49 0.03 30.97 74.33 1.39 06:00:11 1.58 0.01 1.55 0.03 1.05 18.88 654.50 06:10:08 14.37 0.40 1.33 12.63 16.03 47.24 109750.23 06:20:11 23.45 2.60 18.60 2.26 210.27 3576.14 726.18 Average: 6.49 0.47 3.88 2.13 37.25 540.87 15849.35 05:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:11 6293256 7544048 276576 3.40 30584 1425812 529316 5.77 443096 1187292 200 05:30:01 6285768 7537124 283544 3.49 30804 1426136 529384 5.77 443512 1187836 124 05:40:11 6285768 7537640 283016 3.48 30984 1426468 529524 5.77 443576 1188348 140 05:50:11 6243844 7522672 297524 3.66 31364 1452700 726792 7.92 456984 1206184 120 06:00:11 6252528 7532260 287904 3.54 31580 1453348 529596 5.77 452244 1206748 132 06:10:08 6228228 7523232 296684 3.65 31900 1468132 548076 5.97 485776 1220188 192 06:20:11 5091688 7362172 404636 4.98 86916 2343196 693332 7.55 643256 2106320 13592 Average: 6097297 7508450 304269 3.74 39162 1570827 583717 6.36 481206 1328988 2071 05:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:11 ens3 1.84 0.10 0.26 0.06 0.00 0.00 0.00 0.00 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 0.58 0.08 0.12 0.06 0.00 0.00 0.00 0.00 05:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:11 ens3 0.37 0.07 0.08 0.03 0.00 0.00 0.00 0.00 05:50:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:50:11 ens3 0.84 0.50 3.19 0.05 0.00 0.00 0.00 0.00 06:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:11 ens3 0.38 0.25 0.08 0.52 0.00 0.00 0.00 0.00 06:10:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 06:10:08 ens3 9.30 4.53 20.04 2.58 0.00 0.00 0.00 0.00 06:20:11 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 06:20:11 ens3 73.73 54.14 369.00 12.38 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 12.49 8.56 56.39 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28797) 06/20/26 _x86_64_ (2 CPU) 05:08:47 LINUX RESTART (2 CPU) 05:10:11 CPU %user %nice %system %iowait %steal %idle 05:20:11 all 0.28 0.00 0.08 0.01 0.04 99.59 05:20:11 0 0.07 0.00 0.09 0.01 0.04 99.79 05:20:11 1 0.50 0.00 0.07 0.01 0.03 99.39 05:30:01 all 0.28 0.00 0.17 0.01 0.03 99.51 05:30:01 0 0.15 0.00 0.20 0.01 0.04 99.61 05:30:01 1 0.41 0.00 0.14 0.01 0.03 99.41 05:40:11 all 0.27 0.00 0.07 0.01 0.03 99.63 05:40:11 0 0.47 0.00 0.04 0.01 0.02 99.45 05:40:11 1 0.06 0.00 0.09 0.00 0.04 99.80 05:50:11 all 0.40 0.00 0.10 0.02 0.03 99.44 05:50:11 0 0.48 0.00 0.06 0.02 0.03 99.41 05:50:11 1 0.32 0.00 0.15 0.03 0.04 99.47 06:00:11 all 0.32 0.00 0.15 0.01 0.03 99.49 06:00:11 0 0.47 0.00 0.14 0.02 0.03 99.35 06:00:11 1 0.16 0.00 0.16 0.01 0.04 99.63 06:10:08 all 0.52 0.00 0.10 0.03 0.03 99.31 06:10:08 0 0.27 0.00 0.14 0.05 0.04 99.50 06:10:08 1 0.78 0.00 0.06 0.01 0.02 99.13 06:20:11 all 16.50 0.00 1.73 0.57 0.07 81.12 06:20:11 0 20.42 0.00 1.86 0.61 0.07 77.04 06:20:11 1 12.59 0.00 1.60 0.53 0.07 85.21 Average: all 2.66 0.00 0.34 0.10 0.04 96.86 Average: 0 3.20 0.00 0.36 0.10 0.04 96.29 Average: 1 2.12 0.00 0.33 0.09 0.04 97.43